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\ No newline at end of file diff --git a/assets/js/3042343a.8ba035fd.js b/assets/js/3042343a.6b9057ed.js similarity index 98% rename from assets/js/3042343a.8ba035fd.js rename to assets/js/3042343a.6b9057ed.js index 391301df..14929472 100644 --- a/assets/js/3042343a.8ba035fd.js +++ b/assets/js/3042343a.6b9057ed.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[7777],{2443:(e,n,a)=>{a.r(n),a.d(n,{assets:()=>r,contentTitle:()=>o,default:()=>d,frontMatter:()=>l,metadata:()=>i,toc:()=>f});var s=a(4848),t=a(8453);const l={title:"Command Flags"},o=void 0,i={id:"flags",title:"Command Flags",description:"Flag options are non-positional arguments passed to the command. 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Flags can either be option flags which take an argument, or boolean flags which do not. An option flag must have an argument."}),"\n",(0,s.jsx)(n.p,{children:"For example, if this command was run like this:"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ mycli --force --file=./myfile\n"})}),"\n",(0,s.jsx)(n.p,{children:"It would be declared like this:"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"import {Command, Flags} from '@oclif/core'\n\nexport class MyCLI extends Command {\n static flags = {\n // can pass either --force or -f\n force: Flags.boolean({char: 'f'}),\n file: Flags.string(),\n }\n\n async run() {\n const {flags} = await this.parse(MyCLI)\n if (flags.force) console.log('--force is set')\n if (flags.file) console.log(`--file is: ${flags.file}`)\n }\n}\n"})}),"\n",(0,s.jsx)(n.p,{children:(0,s.jsxs)(n.em,{children:["oclif supports a wide range of ",(0,s.jsx)(n.a,{href:"#alternative-flag-inputs",children:"alternative flag inputs"}),"."]})}),"\n",(0,s.jsx)(n.p,{children:"Here are the options flags can have:"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"static flags = {\n name: Flags.string({\n char: 'n', // shorter flag version\n summary: 'brief summary', // help summary for flag\n helpGroup: 'THE BEST FLAGS', // Put flag into THE BEST FLAGS group in help\n description: 'in-depth overview', // help description for flag\n hidden: false, // hide from help\n multiple: false, // allow setting this flag multiple times\n env: 'MY_NAME', // default to value of environment variable\n options: ['a', 'b'], // only allow the value to be from a discrete set\n parse: async input => 'output', // instead of the user input, return a different value\n default: 'world', // default value if flag not passed (can be an async function that returns a string or undefined)\n defaultHelp: 'a dynamic value' // dyanmic default value to show in help output (e.g. current working directory). Can be an async function that returns a string or undefined\n required: false, // make flag required\n aliases: ['username', 'u'], // aliases for the flag - can be short char or long flags\n deprecateAliases: false, // emit deprecation warning anytime a flag alias is provided\n dependsOn: ['extra-flag'], // this flag requires another flag\n exclusive: ['extra-flag'], // this flag cannot be specified alongside this other flag\n exactlyOne: ['extra-flag', 'another-flag'], // exactly one of these flags must be provided\n relationships: [ // define complex relationships between flags\n // Make this flag dependent on all of these flags\n {type: 'all', flags: ['flag-one', 'flag-two']}\n // Make this flag dependent on at least one of these flags\n {type: 'some', flags: ['flag-three', 'flag-four']}\n // Make this flag exclusive of all these flags\n {type: 'none', flags: ['flag-five', 'flag-six']}\n\n // Make this flag dependent on all of these flags\n {type: 'all', flags: [\n 'flag-one',\n 'flag-two',\n // Include flag-seven but only when flag-eight is equal to FooBar\n {name: 'flag-seven', when: async (flags) => flags['flag-eight'] === 'FooBar'}\n ]}\n ]\n }),\n\n // flag with no value (-f, --force)\n force: Flags.boolean({\n char: 'f', // short character for flag\n default: true, // default value if flag not passed (can be a function that returns a boolean)\n env: 'MY_NAME', // default value to the value of an environment variable\n // boolean flags may be reversed with `--no-` (in this case: `--no-force`).\n // The flag will be set to false if reversed. 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For example,"}),"\n",(0,s.jsxs)(n.ul,{children:["\n",(0,s.jsxs)(n.li,{children:["A ",(0,s.jsx)(n.a,{href:"https://salesforcecli.github.io/sf-plugins-core/functions/flags_salesforceId.salesforceIdFlag.html",children:(0,s.jsx)(n.code,{children:"salesforceId"})})," flag that ensures the provided string is a valid Salesforce Id."]}),"\n",(0,s.jsxs)(n.li,{children:["A ",(0,s.jsx)(n.a,{href:"https://salesforcecli.github.io/sf-plugins-core/functions/flags_duration.durationFlag.html",children:(0,s.jsx)(n.code,{children:"duration"})})," flag that converts a provided integer into a ",(0,s.jsx)(n.code,{children:"Duration"})," instance that we use for working with time based values."]}),"\n"]}),"\n",(0,s.jsxs)(n.p,{children:["These and more are located ",(0,s.jsx)(n.a,{href:"https://github.com/salesforcecli/sf-plugins-core/tree/main/src/flags",children:"here"})," if you want to see more examples. You can also read the ",(0,s.jsx)(n.a,{href:"https://salesforcecli.github.io/sf-plugins-core/",children:"API docs"}),"."]}),"\n",(0,s.jsx)(n.h2,{id:"alternative-flag-inputs",children:"Alternative Flag Inputs"}),"\n",(0,s.jsxs)(n.p,{children:["Here are some other ways the user can use input flags. This is assuming the command has flags like ",(0,s.jsx)(n.code,{children:"-f, --file=file"})," and ",(0,s.jsx)(n.code,{children:"-v, --verbose"})," (string and boolean flag):"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-sh-session",children:"$ mycli --verbose\n$ mycli -v\n$ mycli --file=foo\n$ mycli --file foo\n$ mycli -f foo\n$ mycli -f=foo\n$ mycli -ffoo\n$ mycli -vffoo\n"})}),"\n",(0,s.jsxs)(n.p,{children:["The last one seems a little odd at first glance, but it's relatively standard in unix and makes commands like ",(0,s.jsx)(n.code,{children:"tar -xvzfmytarball.tar.gz"})," possible."]})]})}function d(e={}){const{wrapper:n}={...(0,t.R)(),...e.components};return n?(0,s.jsx)(n,{...e,children:(0,s.jsx)(c,{...e})}):c(e)}},8453:(e,n,a)=>{a.d(n,{R:()=>o,x:()=>i});var s=a(6540);const t={},l=s.createContext(t);function o(e){const n=s.useContext(l);return s.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function i(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(t):e.components||t:o(e.components),s.createElement(l.Provider,{value:n},e.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[7777],{2443:(e,n,a)=>{a.r(n),a.d(n,{assets:()=>r,contentTitle:()=>o,default:()=>d,frontMatter:()=>l,metadata:()=>i,toc:()=>f});var s=a(4848),t=a(8453);const l={title:"Command Flags"},o=void 0,i={id:"flags",title:"Command Flags",description:"Flag options are non-positional arguments passed to the command. Flags can either be option flags which take an argument, or boolean flags which do not. An option flag must have an argument.",source:"@site/../docs/flags.md",sourceDirName:".",slug:"/flags",permalink:"/docs/flags",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/flags.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"Command Flags"},sidebar:"docs",previous:{title:"Command Arguments",permalink:"/docs/args"},next:{title:"Configuration",permalink:"/docs/config"}},r={},f=[{value:"Custom Flags",id:"custom-flags",level:2},{value:"Alternative Flag Inputs",id:"alternative-flag-inputs",level:2}];function c(e){const n={a:"a",code:"code",em:"em",h2:"h2",li:"li",p:"p",pre:"pre",ul:"ul",...(0,t.R)(),...e.components};return(0,s.jsxs)(s.Fragment,{children:[(0,s.jsx)(n.p,{children:"Flag options are non-positional arguments passed to the command. Flags can either be option flags which take an argument, or boolean flags which do not. An option flag must have an argument."}),"\n",(0,s.jsx)(n.p,{children:"For example, if this command was run like this:"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ mycli --force --file=./myfile\n"})}),"\n",(0,s.jsx)(n.p,{children:"It would be declared like this:"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"import {Command, Flags} from '@oclif/core'\n\nexport class MyCLI extends Command {\n static flags = {\n // can pass either --force or -f\n force: Flags.boolean({char: 'f'}),\n file: Flags.string(),\n }\n\n async run() {\n const {flags} = await this.parse(MyCLI)\n if (flags.force) console.log('--force is set')\n if (flags.file) console.log(`--file is: ${flags.file}`)\n }\n}\n"})}),"\n",(0,s.jsx)(n.p,{children:(0,s.jsxs)(n.em,{children:["oclif supports a wide range of ",(0,s.jsx)(n.a,{href:"#alternative-flag-inputs",children:"alternative flag inputs"}),"."]})}),"\n",(0,s.jsx)(n.p,{children:"Here are the options flags can have:"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"static flags = {\n name: Flags.string({\n char: 'n', // shorter flag version\n summary: 'brief summary', // help summary for flag\n helpGroup: 'THE BEST FLAGS', // Put flag into THE BEST FLAGS group in help\n description: 'in-depth overview', // help description for flag\n hidden: false, // hide from help\n multiple: false, // allow setting this flag multiple times\n env: 'MY_NAME', // default to value of environment variable\n options: ['a', 'b'], // only allow the value to be from a discrete set\n parse: async input => 'output', // instead of the user input, return a different value\n default: 'world', // default value if flag not passed (can be an async function that returns a string or undefined)\n defaultHelp: 'a dynamic value' // dyanmic default value to show in help output (e.g. current working directory). Can be an async function that returns a string or undefined\n required: false, // make flag required\n aliases: ['username', 'u'], // aliases for the flag - can be short char or long flags\n deprecateAliases: false, // emit deprecation warning anytime a flag alias is provided\n dependsOn: ['extra-flag'], // this flag requires another flag\n exclusive: ['extra-flag'], // this flag cannot be specified alongside this other flag\n exactlyOne: ['extra-flag', 'another-flag'], // exactly one of these flags must be provided\n relationships: [ // define complex relationships between flags\n // Make this flag dependent on all of these flags\n {type: 'all', flags: ['flag-one', 'flag-two']}\n // Make this flag dependent on at least one of these flags\n {type: 'some', flags: ['flag-three', 'flag-four']}\n // Make this flag exclusive of all these flags\n {type: 'none', flags: ['flag-five', 'flag-six']}\n\n // Make this flag dependent on all of these flags\n {type: 'all', flags: [\n 'flag-one',\n 'flag-two',\n // Include flag-seven but only when flag-eight is equal to FooBar\n {name: 'flag-seven', when: async (flags) => flags['flag-eight'] === 'FooBar'}\n ]}\n ]\n }),\n\n // flag with no value (-f, --force)\n force: Flags.boolean({\n char: 'f', // short character for flag\n default: true, // default value if flag not passed (can be a function that returns a boolean)\n env: 'MY_NAME', // default value to the value of an environment variable\n // boolean flags may be reversed with `--no-` (in this case: `--no-force`).\n // The flag will be set to false if reversed. This functionality\n // is disabled by default, to enable it:\n // allowNo: true\n }),\n}\n"})}),"\n",(0,s.jsx)(n.h2,{id:"custom-flags",children:"Custom Flags"}),"\n",(0,s.jsx)(n.p,{children:"For larger CLIs, it can be useful to declare a custom flag that can be shared amongst multiple commands. Here is an example of a custom flag:"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"// src/flags.ts\nimport {Flags} from '@oclif/core'\n\nclass Team {\n public name: string;\n // etc...\n}\n\nfunction getTeam(): Promise {\n // imagine this reads a configuration file or something to find the team\n return new Team()\n}\n\nexport const team = Flags.custom({\n char: 't',\n description: 'team to use',\n default: () => getTeam(),\n})\n\n// src/commands/mycommand.ts\nimport {team} from '../flags'\nimport {Command} from '@oclif/core'\n\nexport class MyCLI extends Command {\n static flags = {\n team: team(),\n }\n\n async run() {\n const {flags} = await this.parse(MyCLI)\n if (flags.team) console.log(`--team is ${flags.team.name}`)\n }\n}\n"})}),"\n",(0,s.jsx)(n.p,{children:"In the Salesforce CLI we make heavy use of custom flags. For example,"}),"\n",(0,s.jsxs)(n.ul,{children:["\n",(0,s.jsxs)(n.li,{children:["A ",(0,s.jsx)(n.a,{href:"https://salesforcecli.github.io/sf-plugins-core/functions/flags_salesforceId.salesforceIdFlag.html",children:(0,s.jsx)(n.code,{children:"salesforceId"})})," flag that ensures the provided string is a valid Salesforce Id."]}),"\n",(0,s.jsxs)(n.li,{children:["A ",(0,s.jsx)(n.a,{href:"https://salesforcecli.github.io/sf-plugins-core/functions/flags_duration.durationFlag.html",children:(0,s.jsx)(n.code,{children:"duration"})})," flag that converts a provided integer into a ",(0,s.jsx)(n.code,{children:"Duration"})," instance that we use for working with time based values."]}),"\n"]}),"\n",(0,s.jsxs)(n.p,{children:["These and more are located ",(0,s.jsx)(n.a,{href:"https://github.com/salesforcecli/sf-plugins-core/tree/main/src/flags",children:"here"})," if you want to see more examples. You can also read the ",(0,s.jsx)(n.a,{href:"https://salesforcecli.github.io/sf-plugins-core/",children:"API docs"}),"."]}),"\n",(0,s.jsx)(n.h2,{id:"alternative-flag-inputs",children:"Alternative Flag Inputs"}),"\n",(0,s.jsxs)(n.p,{children:["Here are some other ways the user can use input flags. This is assuming the command has flags like ",(0,s.jsx)(n.code,{children:"-f, --file=file"})," and ",(0,s.jsx)(n.code,{children:"-v, --verbose"})," (string and boolean flag):"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-sh-session",children:"$ mycli --verbose\n$ mycli -v\n$ mycli --file=foo\n$ mycli --file foo\n$ mycli -f foo\n$ mycli -f=foo\n$ mycli -ffoo\n$ mycli -vffoo\n"})}),"\n",(0,s.jsxs)(n.p,{children:["The last one seems a little odd at first glance, but it's relatively standard in unix and makes commands like ",(0,s.jsx)(n.code,{children:"tar -xvzfmytarball.tar.gz"})," possible."]})]})}function d(e={}){const{wrapper:n}={...(0,t.R)(),...e.components};return n?(0,s.jsx)(n,{...e,children:(0,s.jsx)(c,{...e})}):c(e)}},8453:(e,n,a)=>{a.d(n,{R:()=>o,x:()=>i});var s=a(6540);const t={},l=s.createContext(t);function o(e){const n=s.useContext(l);return s.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function i(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(t):e.components||t:o(e.components),s.createElement(l.Provider,{value:n},e.children)}}}]); \ No newline at end of file diff --git a/assets/js/30d74566.bf95441d.js b/assets/js/30d74566.f5a0ed76.js similarity index 98% rename from assets/js/30d74566.bf95441d.js rename to assets/js/30d74566.f5a0ed76.js index 2693740e..47d8204f 100644 --- a/assets/js/30d74566.bf95441d.js +++ b/assets/js/30d74566.f5a0ed76.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[4260],{3602:(e,n,s)=>{s.r(n),s.d(n,{assets:()=>c,contentTitle:()=>l,default:()=>h,frontMatter:()=>i,metadata:()=>d,toc:()=>a});var t=s(4848),o=s(8453);const i={title:"Command Discovery Strategies"},l=void 0,d={id:"command_discovery_strategies",title:"Command Discovery Strategies",description:"When oclif loads a plugin is must find all the commands within that plugin that can be executed. There a three strategies for discovering these commands:",source:"@site/../docs/command_discovery_strategies.md",sourceDirName:".",slug:"/command_discovery_strategies",permalink:"/docs/command_discovery_strategies",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/command_discovery_strategies.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"Command Discovery Strategies"},sidebar:"docs",previous:{title:"Plugin Loading",permalink:"/docs/plugin_loading"},next:{title:"Commands",permalink:"/docs/commands"}},c={},a=[{value:"pattern Strategy",id:"pattern-strategy",level:3},{value:"explicit Strategy",id:"explicit-strategy",level:3},{value:"Hooks",id:"hooks",level:4},{value:"Bundling",id:"bundling",level:4},{value:"single Strategy",id:"single-strategy",level:3},{value:"Note about oclif.manifest.json",id:"note-about-oclifmanifestjson",level:3}];function r(e){const n={a:"a",code:"code",em:"em",h3:"h3",h4:"h4",li:"li",ol:"ol",p:"p",pre:"pre",strong:"strong",...(0,o.R)(),...e.components};return(0,t.jsxs)(t.Fragment,{children:[(0,t.jsx)(n.p,{children:"When oclif loads a plugin is must find all the commands within that plugin that can be executed. There a three strategies for discovering these commands:"}),"\n",(0,t.jsxs)(n.ol,{children:["\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"pattern"})," - this is the default behavior that finds commands based on glob patterns."]}),"\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"explicit"})," - find commands that are exported from a specified file."]}),"\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"single"})," - CLI contains a single command executed by top-level bin."]}),"\n"]}),"\n",(0,t.jsxs)(n.h3,{id:"pattern-strategy",children:[(0,t.jsx)(n.code,{children:"pattern"})," Strategy"]}),"\n",(0,t.jsxs)(n.p,{children:["The ",(0,t.jsx)(n.code,{children:"pattern"})," strategy tells oclif to use a predefined set of globs to find command files in a specified directory. This is the default behavior of oclif unless otherwise stated."]}),"\n",(0,t.jsxs)(n.p,{children:["Plugins can point the ",(0,t.jsx)(n.code,{children:"commands"})," property to a directory"]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'{\n "oclif": {\n "commands": "./dist/commands",\n }\n}\n'})}),"\n",(0,t.jsxs)(n.p,{children:["This will tell oclif to look for commands in that directory (this is skipped if an ",(0,t.jsx)(n.code,{children:"oclif.manifest.json"})," is present)"]}),"\n",(0,t.jsx)(n.p,{children:"Alternatively, you can set this configuration which will do the exact same thing:"}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'{\n "oclif": {\n "commands": {\n "strategy": "pattern",\n "target": "./dist/commands"\n }\n }\n}\n'})}),"\n",(0,t.jsxs)(n.p,{children:["You also have the ability to set ",(0,t.jsx)(n.code,{children:"globPatterns"}),", which override the glob patterns that oclif uses when searching for command files:"]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'{\n "oclif": {\n "commands": {\n "strategy": "pattern",\n "target": "./dist/commands",\n "globPatterns": [\n "**/*.+(js|cjs|mjs|ts|tsx|mts|cts)",\n "!**/*.+(d.*|test.*|spec.*|helpers.*)?(x)"\n ]\n }\n }\n}\n'})}),"\n",(0,t.jsx)(n.p,{children:"This is useful if you like to put test or helper files in the same directory as your command files."}),"\n",(0,t.jsxs)(n.h3,{id:"explicit-strategy",children:[(0,t.jsx)(n.code,{children:"explicit"})," Strategy"]}),"\n",(0,t.jsxs)(n.p,{children:["The ",(0,t.jsx)(n.code,{children:"explicit"})," strategy tells oclif to import commands from a single file. In this case the ",(0,t.jsx)(n.code,{children:"target"})," is the file that exports the commands and ",(0,t.jsx)(n.code,{children:"identifier"})," is the name of the export (defaults to ",(0,t.jsx)(n.code,{children:"default"}),")."]}),"\n",(0,t.jsxs)(n.p,{children:["To use this you would add a new file (e.g. ",(0,t.jsx)(n.code,{children:"src/commands.ts"}),") and then add this configuration to the package.json"]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'{\n "oclif": {\n "commands": {\n "strategy": "explicit",\n "target": "./dist/index.js",\n "identifier": "COMMANDS",\n }\n }\n}\n'})}),"\n",(0,t.jsxs)(n.p,{children:[(0,t.jsx)(n.code,{children:"src/index.ts"})," would then need to have an export with the same name as the ",(0,t.jsx)(n.code,{children:"identifier"})," (if not set, it defaults to ",(0,t.jsx)(n.code,{children:"default"}),") that's an object of command names to command classes, e.g."]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"import Hello from './commands/hello'\nimport HelloWorld from './commands/hello/world'\n\nexport const COMMANDS = {\n hello: Hello,\n 'hello:world': HelloWorld,\n howdy: Hello, // alias the `hello` command to `howdy`\n}\n"})}),"\n",(0,t.jsxs)(n.p,{children:["The ",(0,t.jsx)(n.code,{children:"explicit"})," strategy is useful to those who can't rely on file paths because they've bundled their code (see ",(0,t.jsx)(n.a,{href:"#bundling",children:"Bundling"}),') but it can also be used if you simply prefer to be more explicit about your commands instead of relying on oclif "magically" finding commands from the file system.']}),"\n",(0,t.jsxs)(n.p,{children:["It can also be leveraged to create or modify commands at runtime (e.g. internationalize messages at runtime or add flags to a command based on an API spec - see ",(0,t.jsx)(n.code,{children:"oclif + dynamic commands"})," section below)."]}),"\n",(0,t.jsx)(n.h4,{id:"hooks",children:"Hooks"}),"\n",(0,t.jsxs)(n.p,{children:["Hooks can also be defined using the ",(0,t.jsx)(n.code,{children:"explicit"})," strategy:"]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'"oclif": {\n "hooks": {\n "init": {\n "target": "./dist/index.js",\n "identifier": "INIT_HOOK"\n }\n }\n}\n'})}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"// src/index.ts\nimport Hello from './commands/hello'\nimport HelloWorld from './commands/hello/world'\nexport {default as INIT_HOOK} from './hooks/init/init.js'\n\nexport const COMMANDS = {\n hello: Hello,\n 'hello:world': HelloWorld,\n howdy: Hello, // alias the `hello` command to `howdy`\n}\n"})}),"\n",(0,t.jsxs)(n.p,{children:["That configuration is essentially telling oclif to look for an ",(0,t.jsx)(n.code,{children:"INIT_HOOK"})," export inside of ",(0,t.jsx)(n.code,{children:"./dist/index.js"})]}),"\n",(0,t.jsx)(n.h4,{id:"bundling",children:"Bundling"}),"\n",(0,t.jsxs)(n.p,{children:[(0,t.jsx)(n.strong,{children:"We do not support bundling"})," given the endless number of tools + configurations that could be used. But if you choose to use a bundler, like ",(0,t.jsx)(n.code,{children:"esbuild"})," there are a couple hard requirements - you must have a package.json in your root directory and a ",(0,t.jsx)(n.code,{children:"bin/run"})," or ",(0,t.jsx)(n.code,{children:"bin/run.js"})," bin script. ",(0,t.jsx)(n.em,{children:"This means that you will not be able to successfully bundle your entire CLI (src code, package.json, node_modules, etc) into a single file."})]}),"\n",(0,t.jsxs)(n.p,{children:["If you want to use a bundler, you can see this ",(0,t.jsx)(n.a,{href:"https://github.com/oclif/plugin-test-esbuild/",children:"example repo"}),"."]}),"\n",(0,t.jsxs)(n.h3,{id:"single-strategy",children:[(0,t.jsx)(n.code,{children:"single"})," Strategy"]}),"\n",(0,t.jsxs)(n.p,{children:["The ",(0,t.jsx)(n.code,{children:"single"})," strategy tells oclif that this CLI contains a single command that can be executed by the ",(0,t.jsx)(n.code,{children:"bin/run.js"})," (e.g. ",(0,t.jsx)(n.code,{children:"ls"})," or ",(0,t.jsx)(n.code,{children:"cat"}),")."]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'{\n "oclif": {\n "commands": {\n "strategy": "single",\n "target": "./dist/index.js"\n }\n }\n}\n'})}),"\n",(0,t.jsxs)(n.p,{children:["In this example, ",(0,t.jsx)(n.code,{children:"./dist/index.js"})," exports the command class."]}),"\n",(0,t.jsxs)(n.h3,{id:"note-about-oclifmanifestjson",children:["Note about ",(0,t.jsx)(n.code,{children:"oclif.manifest.json"})]}),"\n",(0,t.jsxs)(n.p,{children:["For all strategies, the ",(0,t.jsx)(n.code,{children:"oclif.manifest.json"})," will be used to load the commands instead of the default behavior of the strategy."]})]})}function h(e={}){const{wrapper:n}={...(0,o.R)(),...e.components};return n?(0,t.jsx)(n,{...e,children:(0,t.jsx)(r,{...e})}):r(e)}},8453:(e,n,s)=>{s.d(n,{R:()=>l,x:()=>d});var t=s(6540);const o={},i=t.createContext(o);function l(e){const n=t.useContext(i);return t.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function d(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(o):e.components||o:l(e.components),t.createElement(i.Provider,{value:n},e.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[4260],{3602:(e,n,s)=>{s.r(n),s.d(n,{assets:()=>c,contentTitle:()=>l,default:()=>h,frontMatter:()=>i,metadata:()=>d,toc:()=>a});var t=s(4848),o=s(8453);const i={title:"Command Discovery Strategies"},l=void 0,d={id:"command_discovery_strategies",title:"Command Discovery Strategies",description:"When oclif loads a plugin is must find all the commands within that plugin that can be executed. There a three strategies for discovering these commands:",source:"@site/../docs/command_discovery_strategies.md",sourceDirName:".",slug:"/command_discovery_strategies",permalink:"/docs/command_discovery_strategies",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/command_discovery_strategies.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"Command Discovery Strategies"},sidebar:"docs",previous:{title:"Plugin Loading",permalink:"/docs/plugin_loading"},next:{title:"Commands",permalink:"/docs/commands"}},c={},a=[{value:"pattern Strategy",id:"pattern-strategy",level:3},{value:"explicit Strategy",id:"explicit-strategy",level:3},{value:"Hooks",id:"hooks",level:4},{value:"Bundling",id:"bundling",level:4},{value:"single Strategy",id:"single-strategy",level:3},{value:"Note about oclif.manifest.json",id:"note-about-oclifmanifestjson",level:3}];function r(e){const n={a:"a",code:"code",em:"em",h3:"h3",h4:"h4",li:"li",ol:"ol",p:"p",pre:"pre",strong:"strong",...(0,o.R)(),...e.components};return(0,t.jsxs)(t.Fragment,{children:[(0,t.jsx)(n.p,{children:"When oclif loads a plugin is must find all the commands within that plugin that can be executed. There a three strategies for discovering these commands:"}),"\n",(0,t.jsxs)(n.ol,{children:["\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"pattern"})," - this is the default behavior that finds commands based on glob patterns."]}),"\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"explicit"})," - find commands that are exported from a specified file."]}),"\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"single"})," - CLI contains a single command executed by top-level bin."]}),"\n"]}),"\n",(0,t.jsxs)(n.h3,{id:"pattern-strategy",children:[(0,t.jsx)(n.code,{children:"pattern"})," Strategy"]}),"\n",(0,t.jsxs)(n.p,{children:["The ",(0,t.jsx)(n.code,{children:"pattern"})," strategy tells oclif to use a predefined set of globs to find command files in a specified directory. This is the default behavior of oclif unless otherwise stated."]}),"\n",(0,t.jsxs)(n.p,{children:["Plugins can point the ",(0,t.jsx)(n.code,{children:"commands"})," property to a directory"]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'{\n "oclif": {\n "commands": "./dist/commands",\n }\n}\n'})}),"\n",(0,t.jsxs)(n.p,{children:["This will tell oclif to look for commands in that directory (this is skipped if an ",(0,t.jsx)(n.code,{children:"oclif.manifest.json"})," is present)"]}),"\n",(0,t.jsx)(n.p,{children:"Alternatively, you can set this configuration which will do the exact same thing:"}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'{\n "oclif": {\n "commands": {\n "strategy": "pattern",\n "target": "./dist/commands"\n }\n }\n}\n'})}),"\n",(0,t.jsxs)(n.p,{children:["You also have the ability to set ",(0,t.jsx)(n.code,{children:"globPatterns"}),", which override the glob patterns that oclif uses when searching for command files:"]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'{\n "oclif": {\n "commands": {\n "strategy": "pattern",\n "target": "./dist/commands",\n "globPatterns": [\n "**/*.+(js|cjs|mjs|ts|tsx|mts|cts)",\n "!**/*.+(d.*|test.*|spec.*|helpers.*)?(x)"\n ]\n }\n }\n}\n'})}),"\n",(0,t.jsx)(n.p,{children:"This is useful if you like to put test or helper files in the same directory as your command files."}),"\n",(0,t.jsxs)(n.h3,{id:"explicit-strategy",children:[(0,t.jsx)(n.code,{children:"explicit"})," Strategy"]}),"\n",(0,t.jsxs)(n.p,{children:["The ",(0,t.jsx)(n.code,{children:"explicit"})," strategy tells oclif to import commands from a single file. In this case the ",(0,t.jsx)(n.code,{children:"target"})," is the file that exports the commands and ",(0,t.jsx)(n.code,{children:"identifier"})," is the name of the export (defaults to ",(0,t.jsx)(n.code,{children:"default"}),")."]}),"\n",(0,t.jsxs)(n.p,{children:["To use this you would add a new file (e.g. ",(0,t.jsx)(n.code,{children:"src/commands.ts"}),") and then add this configuration to the package.json"]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'{\n "oclif": {\n "commands": {\n "strategy": "explicit",\n "target": "./dist/index.js",\n "identifier": "COMMANDS",\n }\n }\n}\n'})}),"\n",(0,t.jsxs)(n.p,{children:[(0,t.jsx)(n.code,{children:"src/index.ts"})," would then need to have an export with the same name as the ",(0,t.jsx)(n.code,{children:"identifier"})," (if not set, it defaults to ",(0,t.jsx)(n.code,{children:"default"}),") that's an object of command names to command classes, e.g."]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"import Hello from './commands/hello'\nimport HelloWorld from './commands/hello/world'\n\nexport const COMMANDS = {\n hello: Hello,\n 'hello:world': HelloWorld,\n howdy: Hello, // alias the `hello` command to `howdy`\n}\n"})}),"\n",(0,t.jsxs)(n.p,{children:["The ",(0,t.jsx)(n.code,{children:"explicit"})," strategy is useful to those who can't rely on file paths because they've bundled their code (see ",(0,t.jsx)(n.a,{href:"#bundling",children:"Bundling"}),') but it can also be used if you simply prefer to be more explicit about your commands instead of relying on oclif "magically" finding commands from the file system.']}),"\n",(0,t.jsxs)(n.p,{children:["It can also be leveraged to create or modify commands at runtime (e.g. internationalize messages at runtime or add flags to a command based on an API spec - see ",(0,t.jsx)(n.code,{children:"oclif + dynamic commands"})," section below)."]}),"\n",(0,t.jsx)(n.h4,{id:"hooks",children:"Hooks"}),"\n",(0,t.jsxs)(n.p,{children:["Hooks can also be defined using the ",(0,t.jsx)(n.code,{children:"explicit"})," strategy:"]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'"oclif": {\n "hooks": {\n "init": {\n "target": "./dist/index.js",\n "identifier": "INIT_HOOK"\n }\n }\n}\n'})}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"// src/index.ts\nimport Hello from './commands/hello'\nimport HelloWorld from './commands/hello/world'\nexport {default as INIT_HOOK} from './hooks/init/init.js'\n\nexport const COMMANDS = {\n hello: Hello,\n 'hello:world': HelloWorld,\n howdy: Hello, // alias the `hello` command to `howdy`\n}\n"})}),"\n",(0,t.jsxs)(n.p,{children:["That configuration is essentially telling oclif to look for an ",(0,t.jsx)(n.code,{children:"INIT_HOOK"})," export inside of ",(0,t.jsx)(n.code,{children:"./dist/index.js"})]}),"\n",(0,t.jsx)(n.h4,{id:"bundling",children:"Bundling"}),"\n",(0,t.jsxs)(n.p,{children:[(0,t.jsx)(n.strong,{children:"We do not support bundling"})," given the endless number of tools + configurations that could be used. But if you choose to use a bundler, like ",(0,t.jsx)(n.code,{children:"esbuild"})," there are a couple hard requirements - you must have a package.json in your root directory and a ",(0,t.jsx)(n.code,{children:"bin/run"})," or ",(0,t.jsx)(n.code,{children:"bin/run.js"})," bin script. ",(0,t.jsx)(n.em,{children:"This means that you will not be able to successfully bundle your entire CLI (src code, package.json, node_modules, etc) into a single file."})]}),"\n",(0,t.jsxs)(n.p,{children:["If you want to use a bundler, you can see this ",(0,t.jsx)(n.a,{href:"https://github.com/oclif/plugin-test-esbuild/",children:"example repo"}),"."]}),"\n",(0,t.jsxs)(n.h3,{id:"single-strategy",children:[(0,t.jsx)(n.code,{children:"single"})," Strategy"]}),"\n",(0,t.jsxs)(n.p,{children:["The ",(0,t.jsx)(n.code,{children:"single"})," strategy tells oclif that this CLI contains a single command that can be executed by the ",(0,t.jsx)(n.code,{children:"bin/run.js"})," (e.g. ",(0,t.jsx)(n.code,{children:"ls"})," or ",(0,t.jsx)(n.code,{children:"cat"}),")."]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-json",children:'{\n "oclif": {\n "commands": {\n "strategy": "single",\n "target": "./dist/index.js"\n }\n }\n}\n'})}),"\n",(0,t.jsxs)(n.p,{children:["In this example, ",(0,t.jsx)(n.code,{children:"./dist/index.js"})," exports the command class."]}),"\n",(0,t.jsxs)(n.h3,{id:"note-about-oclifmanifestjson",children:["Note about ",(0,t.jsx)(n.code,{children:"oclif.manifest.json"})]}),"\n",(0,t.jsxs)(n.p,{children:["For all strategies, the ",(0,t.jsx)(n.code,{children:"oclif.manifest.json"})," will be used to load the commands instead of the default behavior of the strategy."]})]})}function h(e={}){const{wrapper:n}={...(0,o.R)(),...e.components};return n?(0,t.jsx)(n,{...e,children:(0,t.jsx)(r,{...e})}):r(e)}},8453:(e,n,s)=>{s.d(n,{R:()=>l,x:()=>d});var t=s(6540);const o={},i=t.createContext(o);function l(e){const n=t.useContext(i);return t.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function d(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(o):e.components||o:l(e.components),t.createElement(i.Provider,{value:n},e.children)}}}]); \ No newline at end of file diff --git a/assets/js/32060389.1eb0ee8b.js b/assets/js/32060389.cc2c1970.js similarity index 98% rename from assets/js/32060389.1eb0ee8b.js rename to assets/js/32060389.cc2c1970.js index a9af268f..bcb977ab 100644 --- a/assets/js/32060389.1eb0ee8b.js +++ b/assets/js/32060389.cc2c1970.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[7996],{1916:(e,n,s)=>{s.r(n),s.d(n,{assets:()=>l,contentTitle:()=>r,default:()=>u,frontMatter:()=>o,metadata:()=>i,toc:()=>c});var t=s(4848),a=s(8453);const o={title:"Table"},r=void 0,i={id:"table",title:"Table",description:"ux.table",source:"@site/../docs/table.md",sourceDirName:".",slug:"/table",permalink:"/docs/table",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/table.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"Table"},sidebar:"docs",previous:{title:"Spinner",permalink:"/docs/spinner"},next:{title:"Notifications",permalink:"/docs/notifications"}},l={},c=[{value:"ux.table",id:"uxtable",level:2}];function d(e){const n={a:"a",code:"code",h2:"h2",li:"li",p:"p",pre:"pre",ul:"ul",...(0,a.R)(),...e.components};return(0,t.jsxs)(t.Fragment,{children:[(0,t.jsx)(n.h2,{id:"uxtable",children:(0,t.jsx)(n.code,{children:"ux.table"})}),"\n",(0,t.jsx)(n.p,{children:"Displays tabular data"}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"ux.table(data, columns, options)\n"})}),"\n",(0,t.jsx)(n.p,{children:"Where:"}),"\n",(0,t.jsxs)(n.ul,{children:["\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"data"}),": array of data objects to display"]}),"\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"columns"}),": ",(0,t.jsx)(n.a,{href:"https://github.com/oclif/core/blob/main/src/cli-ux/styled/table.ts",children:"Table.Columns"})]}),"\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"options"}),": ",(0,t.jsx)(n.a,{href:"https://github.com/oclif/core/blob/main/src/cli-ux/styled/table.ts",children:"Table.Options"})]}),"\n"]}),"\n",(0,t.jsxs)(n.p,{children:[(0,t.jsx)(n.code,{children:"ux.table.flags()"})," returns an object containing all the table flags to include in your command."]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"{\n columns: Flags.string({exclusive: ['additional'], description: 'only show provided columns (comma-seperated)'}),\n sort: Flags.string({description: 'property to sort by (prepend '-' for descending)'}),\n filter: Flags.string({description: 'filter property by partial string matching, ex: name=foo'}),\n csv: Flags.boolean({exclusive: ['no-truncate'], description: 'output is csv format'}),\n extended: Flags.boolean({char: 'x', description: 'show extra columns'}),\n 'no-truncate': Flags.boolean({exclusive: ['csv'], description: 'do not truncate output to fit screen'}),\n 'no-header': Flags.boolean({exclusive: ['csv'], description: 'hide table header from output'}),\n}\n"})}),"\n",(0,t.jsxs)(n.p,{children:["Passing ",(0,t.jsx)(n.code,{children:"{only: ['columns']}"})," or ",(0,t.jsx)(n.code,{children:"{except: ['columns']}"})," as an argument into ",(0,t.jsx)(n.code,{children:"cli.table.flags()"})," will allow/block those flags from the returned object."]}),"\n",(0,t.jsxs)(n.p,{children:[(0,t.jsx)(n.code,{children:"ux.Table.Columns"})," defines the table columns and their display options."]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"const columns: ux.Table.Columns = {\n // where `.name` is a property of a data object\n name: {}, // \"Name\" inferred as the column header\n id: {\n header: 'ID', // override column header\n minWidth: '10', // column must display at this width or greater\n extended: true, // only display this column when the --extended flag is present\n get: row => `US-O1-${row.id}`, // custom getter for data row object\n },\n}\n"})}),"\n",(0,t.jsxs)(n.p,{children:[(0,t.jsx)(n.code,{children:"ux.Table.Options"})," defines the table options, most of which are the parsed flags from the user for display customization, all of which are optional."]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"const options: ux.Table.Options = {\n printLine: myLogger, // custom logger\n columns: flags.columns,\n sort: flags.sort,\n filter: flags.filter,\n csv: flags.csv,\n extended: flags.extended,\n 'no-truncate': flags['no-truncate'],\n 'no-header': flags['no-header'],\n}\n"})}),"\n",(0,t.jsx)(n.p,{children:"Example class:"}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"import {Command, ux} from '@oclif/core'\nimport axios from 'axios'\n\nexport default class Users extends Command {\n static flags = {\n ...ux.table.flags()\n }\n\n async run() {\n const {flags} = await this.parse(Users)\n const {data: users} = await axios.get('https://jsonplaceholder.typicode.com/users')\n\n ux.table(users, {\n name: {\n minWidth: 7,\n },\n company: {\n get: row => row.company && row.company.name\n },\n id: {\n header: 'ID',\n extended: true\n }\n }, {\n printLine: this.log.bind(this),\n ...flags, // parsed flags\n })\n }\n}\n"})}),"\n",(0,t.jsx)(n.p,{children:"Displays:"}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-shell",children:'$ example-cli users\nName Company\nLeanne Graham Romaguera-Crona\nErvin Howell Deckow-Crist\nClementine Bauch Romaguera-Jacobson\nPatricia Lebsack Robel-Corkery\nChelsey Dietrich Keebler LLC\nMrs. Dennis Schulist Considine-Lockman\nKurtis Weissnat Johns Group\nNicholas Runolfsdottir V Abernathy Group\nGlenna Reichert Yost and Sons\nClementina DuBuque Hoeger LLC\n\n$ example-cli users --extended\nName Company ID\nLeanne Graham Romaguera-Crona 1\nErvin Howell Deckow-Crist 2\nClementine Bauch Romaguera-Jacobson 3\nPatricia Lebsack Robel-Corkery 4\nChelsey Dietrich Keebler LLC 5\nMrs. Dennis Schulist Considine-Lockman 6\nKurtis Weissnat Johns Group 7\nNicholas Runolfsdottir V Abernathy Group 8\nGlenna Reichert Yost and Sons 9\nClementina DuBuque Hoeger LLC 10\n\n$ example-cli users --columns=name\nName\nLeanne Graham\nErvin Howell\nClementine Bauch\nPatricia Lebsack\nChelsey Dietrich\nMrs. Dennis Schulist\nKurtis Weissnat\nNicholas Runolfsdottir V\nGlenna Reichert\nClementina DuBuque\n\n$ example-cli users --filter="company=Group"\nName Company\nKurtis Weissnat Johns Group\nNicholas Runolfsdottir V Abernathy Group\n\n$ example-cli users --sort=company\nName Company\nNicholas Runolfsdottir V Abernathy Group\nMrs. Dennis Schulist Considine-Lockman\nErvin Howell Deckow-Crist\nClementina DuBuque Hoeger LLC\nKurtis Weissnat Johns Group\nChelsey Dietrich Keebler LLC\nPatricia Lebsack Robel-Corkery\nLeanne Graham Romaguera-Crona\nClementine Bauch Romaguera-Jacobson\nGlenna Reichert Yost and Sons\n'})})]})}function u(e={}){const{wrapper:n}={...(0,a.R)(),...e.components};return n?(0,t.jsx)(n,{...e,children:(0,t.jsx)(d,{...e})}):d(e)}},8453:(e,n,s)=>{s.d(n,{R:()=>r,x:()=>i});var t=s(6540);const a={},o=t.createContext(a);function r(e){const n=t.useContext(o);return t.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function i(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(a):e.components||a:r(e.components),t.createElement(o.Provider,{value:n},e.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[7996],{1916:(e,n,s)=>{s.r(n),s.d(n,{assets:()=>l,contentTitle:()=>r,default:()=>u,frontMatter:()=>o,metadata:()=>i,toc:()=>c});var t=s(4848),a=s(8453);const o={title:"Table"},r=void 0,i={id:"table",title:"Table",description:"ux.table",source:"@site/../docs/table.md",sourceDirName:".",slug:"/table",permalink:"/docs/table",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/table.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"Table"},sidebar:"docs",previous:{title:"Spinner",permalink:"/docs/spinner"},next:{title:"Notifications",permalink:"/docs/notifications"}},l={},c=[{value:"ux.table",id:"uxtable",level:2}];function d(e){const n={a:"a",code:"code",h2:"h2",li:"li",p:"p",pre:"pre",ul:"ul",...(0,a.R)(),...e.components};return(0,t.jsxs)(t.Fragment,{children:[(0,t.jsx)(n.h2,{id:"uxtable",children:(0,t.jsx)(n.code,{children:"ux.table"})}),"\n",(0,t.jsx)(n.p,{children:"Displays tabular data"}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"ux.table(data, columns, 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'property to sort by (prepend '-' for descending)'}),\n filter: Flags.string({description: 'filter property by partial string matching, ex: name=foo'}),\n csv: Flags.boolean({exclusive: ['no-truncate'], description: 'output is csv format'}),\n extended: Flags.boolean({char: 'x', description: 'show extra columns'}),\n 'no-truncate': Flags.boolean({exclusive: ['csv'], description: 'do not truncate output to fit screen'}),\n 'no-header': Flags.boolean({exclusive: ['csv'], description: 'hide table header from output'}),\n}\n"})}),"\n",(0,t.jsxs)(n.p,{children:["Passing ",(0,t.jsx)(n.code,{children:"{only: ['columns']}"})," or ",(0,t.jsx)(n.code,{children:"{except: ['columns']}"})," as an argument into ",(0,t.jsx)(n.code,{children:"cli.table.flags()"})," will allow/block those flags from the returned object."]}),"\n",(0,t.jsxs)(n.p,{children:[(0,t.jsx)(n.code,{children:"ux.Table.Columns"})," defines the table columns and their display options."]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"const columns: ux.Table.Columns = {\n // where `.name` is a property of a data object\n name: {}, // \"Name\" inferred as the column header\n id: {\n header: 'ID', // override column header\n minWidth: '10', // column must display at this width or greater\n extended: true, // only display this column when the --extended flag is present\n get: row => `US-O1-${row.id}`, // custom getter for data row object\n },\n}\n"})}),"\n",(0,t.jsxs)(n.p,{children:[(0,t.jsx)(n.code,{children:"ux.Table.Options"})," defines the table options, most of which are the parsed flags from the user for display customization, all of which are optional."]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"const options: ux.Table.Options = {\n printLine: myLogger, // custom logger\n columns: flags.columns,\n sort: flags.sort,\n filter: flags.filter,\n csv: flags.csv,\n extended: flags.extended,\n 'no-truncate': flags['no-truncate'],\n 'no-header': flags['no-header'],\n}\n"})}),"\n",(0,t.jsx)(n.p,{children:"Example class:"}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"import {Command, ux} from '@oclif/core'\nimport axios from 'axios'\n\nexport default class Users extends Command {\n static flags = {\n ...ux.table.flags()\n }\n\n async run() {\n const {flags} = await this.parse(Users)\n const {data: users} = await axios.get('https://jsonplaceholder.typicode.com/users')\n\n ux.table(users, {\n name: {\n minWidth: 7,\n },\n company: {\n get: row => row.company && row.company.name\n },\n id: {\n header: 'ID',\n extended: true\n }\n }, {\n printLine: this.log.bind(this),\n ...flags, // parsed flags\n })\n }\n}\n"})}),"\n",(0,t.jsx)(n.p,{children:"Displays:"}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-shell",children:'$ example-cli users\nName Company\nLeanne Graham Romaguera-Crona\nErvin Howell Deckow-Crist\nClementine Bauch Romaguera-Jacobson\nPatricia Lebsack Robel-Corkery\nChelsey Dietrich Keebler LLC\nMrs. Dennis Schulist Considine-Lockman\nKurtis Weissnat Johns Group\nNicholas Runolfsdottir V Abernathy Group\nGlenna Reichert Yost and Sons\nClementina DuBuque Hoeger LLC\n\n$ example-cli users --extended\nName Company ID\nLeanne Graham Romaguera-Crona 1\nErvin Howell Deckow-Crist 2\nClementine Bauch Romaguera-Jacobson 3\nPatricia Lebsack Robel-Corkery 4\nChelsey Dietrich Keebler LLC 5\nMrs. Dennis Schulist Considine-Lockman 6\nKurtis Weissnat Johns Group 7\nNicholas Runolfsdottir V Abernathy Group 8\nGlenna Reichert Yost and Sons 9\nClementina DuBuque Hoeger LLC 10\n\n$ example-cli users --columns=name\nName\nLeanne Graham\nErvin Howell\nClementine Bauch\nPatricia Lebsack\nChelsey Dietrich\nMrs. Dennis Schulist\nKurtis Weissnat\nNicholas Runolfsdottir V\nGlenna Reichert\nClementina DuBuque\n\n$ example-cli users --filter="company=Group"\nName Company\nKurtis Weissnat Johns Group\nNicholas Runolfsdottir V Abernathy Group\n\n$ example-cli users --sort=company\nName Company\nNicholas Runolfsdottir V Abernathy Group\nMrs. Dennis Schulist Considine-Lockman\nErvin Howell Deckow-Crist\nClementina DuBuque Hoeger LLC\nKurtis Weissnat Johns Group\nChelsey Dietrich Keebler LLC\nPatricia Lebsack Robel-Corkery\nLeanne Graham Romaguera-Crona\nClementine Bauch Romaguera-Jacobson\nGlenna Reichert Yost and Sons\n'})})]})}function u(e={}){const{wrapper:n}={...(0,a.R)(),...e.components};return n?(0,t.jsx)(n,{...e,children:(0,t.jsx)(d,{...e})}):d(e)}},8453:(e,n,s)=>{s.d(n,{R:()=>r,x:()=>i});var t=s(6540);const a={},o=t.createContext(a);function r(e){const n=t.useContext(o);return t.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function i(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(a):e.components||a:r(e.components),t.createElement(o.Provider,{value:n},e.children)}}}]); \ No newline at end of file diff --git a/assets/js/35586d92.f1a1915a.js b/assets/js/35586d92.a74fcd5f.js similarity index 96% rename from assets/js/35586d92.f1a1915a.js rename to assets/js/35586d92.a74fcd5f.js index fa6c407c..e9ae9664 100644 --- a/assets/js/35586d92.f1a1915a.js +++ b/assets/js/35586d92.a74fcd5f.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[7187],{1810:(e,n,i)=>{i.r(n),i.d(n,{assets:()=>a,contentTitle:()=>l,default:()=>u,frontMatter:()=>s,metadata:()=>r,toc:()=>d});var o=i(4848),t=i(8453);const s={title:"Plugin Loading"},l=void 0,r={id:"plugin_loading",title:"Plugin Loading",description:"Below is a diagram that outlines how a plugin is loaded into the CLI.",source:"@site/../docs/plugin_loading.md",sourceDirName:".",slug:"/plugin_loading",permalink:"/docs/plugin_loading",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/plugin_loading.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"Plugin Loading"},sidebar:"docs",previous:{title:"Command Execution",permalink:"/docs/command_execution"},next:{title:"Command Discovery Strategies",permalink:"/docs/command_discovery_strategies"}},a={},d=[{value:"Plugin Resolution Order",id:"plugin-resolution-order",level:3},{value:"Manifests Improve Performance",id:"manifests-improve-performance",level:3},{value:"Plugin Loading Diagram",id:"plugin-loading-diagram",level:2}];function c(e){const n={code:"code",h2:"h2",h3:"h3",img:"img",li:"li",ol:"ol",p:"p",...(0,t.R)(),...e.components};return(0,o.jsxs)(o.Fragment,{children:[(0,o.jsx)(n.p,{children:"Below is a diagram that outlines how a plugin is loaded into the CLI."}),"\n",(0,o.jsx)(n.p,{children:"There are a couple of important takeaways from this diagram:"}),"\n",(0,o.jsx)(n.h3,{id:"plugin-resolution-order",children:"Plugin Resolution Order"}),"\n",(0,o.jsx)(n.p,{children:"Plugins are resolved in the following order:"}),"\n",(0,o.jsxs)(n.ol,{children:["\n",(0,o.jsx)(n.li,{children:"User plugins (i.e. plugins installed by the users)"}),"\n",(0,o.jsxs)(n.li,{children:["Dev plugins (i.e. plugins listed under ",(0,o.jsx)(n.code,{children:"devPlugins"}),")"]}),"\n",(0,o.jsxs)(n.li,{children:["Core plugins (i.e. plugins listed under ",(0,o.jsx)(n.code,{children:"plugins"}),")"]}),"\n"]}),"\n",(0,o.jsx)(n.h3,{id:"manifests-improve-performance",children:"Manifests Improve Performance"}),"\n",(0,o.jsxs)(n.p,{children:["When loading a plugin, oclif needs to require each command file in order to get the static properties of the command - the ",(0,o.jsx)(n.code,{children:"description"}),", ",(0,o.jsx)(n.code,{children:"examples"}),", ",(0,o.jsx)(n.code,{children:"flags"}),", etc..."]}),"\n",(0,o.jsxs)(n.p,{children:["However, oclif can skip this step if the plugin has an ",(0,o.jsx)(n.code,{children:"oclif.manifest.json"})," (generated by ",(0,o.jsx)(n.code,{children:"oclif 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It's a platform to build upon that provides smart defaults without locking you in to any specific tools or behavior."}),"\n",(0,o.jsx)(t.h2,{id:"requirements",children:"Requirements"}),"\n",(0,o.jsxs)(t.p,{children:["Only ",(0,o.jsx)(t.a,{href:"https://nodejs.org/en/about/previous-releases",children:"LTS Node versions"})," are supported. You can add the ",(0,o.jsx)(t.a,{href:"https://www.npmjs.com/package/node",children:"node"})," package to your CLI to ensure users are on a specific Node version."]}),"\n",(0,o.jsx)(t.h2,{id:"quickstart",children:"Quickstart"}),"\n",(0,o.jsx)(t.p,{children:"Creating a CLI:"}),"\n",(0,o.jsx)(t.pre,{children:(0,o.jsx)(t.code,{className:"language-sh-session",children:"$ npx oclif generate mynewcli\n? npm package name (mynewcli): mynewcli\n$ cd mynewcli\n$ ./bin/dev.js hello world\nhello world! 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strict";(self.webpackChunk=self.webpackChunk||[]).push([[8990],{5219:(e,n,i)=>{i.r(n),i.d(n,{assets:()=>d,contentTitle:()=>o,default:()=>h,frontMatter:()=>l,metadata:()=>r,toc:()=>c});var s=i(4848),t=i(8453);const l={title:"ESM"},o=void 0,r={id:"esm",title:"ESM",description:"Version 3.0.0 of @oclif/core officially supports ESM plugin development and CJS/ESM interoperability, meaning that you can have a root plugin written with CJS and your bundled plugins written in ESM or vice versa.",source:"@site/../docs/esm.md",sourceDirName:".",slug:"/esm",permalink:"/docs/esm",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/esm.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"ESM"},sidebar:"docs",previous:{title:"Single Command CLI",permalink:"/docs/single_command_cli"},next:{title:"Themes",permalink:"/docs/themes"}},d={},c=[{value:"Interoperability 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n={a:"a",code:"code",h2:"h2",h3:"h3",h4:"h4",li:"li",ol:"ol",p:"p",pre:"pre",strong:"strong",ul:"ul",...(0,t.R)(),...e.components};return(0,s.jsxs)(s.Fragment,{children:[(0,s.jsxs)(n.p,{children:["Version 3.0.0 of ",(0,s.jsx)(n.code,{children:"@oclif/core"})," officially supports ESM plugin development and CJS/ESM interoperability, meaning that you can have a root plugin written with CJS and your bundled plugins written in ESM or vice versa."]}),"\n",(0,s.jsxs)(n.ul,{children:["\n",(0,s.jsxs)(n.li,{children:[(0,s.jsx)(n.a,{href:"#interoperability-overview",children:"Interoperability Overview"}),"\n",(0,s.jsxs)(n.ul,{children:["\n",(0,s.jsx)(n.li,{children:(0,s.jsx)(n.a,{href:"#esm-root-plugin",children:"ESM Root plugin"})}),"\n",(0,s.jsx)(n.li,{children:(0,s.jsx)(n.a,{href:"#cjs-root-plugin",children:"CJS Root plugin"})}),"\n"]}),"\n"]}),"\n",(0,s.jsx)(n.li,{children:(0,s.jsx)(n.a,{href:"#creating-an-esm-plugin",children:"Creating an ESM 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Instead, oclif will use the plugin's compiled source - this means that you must compile the plugin yourself before executing any of the commands. We plan to support this again once the node ecosystem offers more comprehensive native support for ESM."]}),"\n"]}),"\n",(0,s.jsx)(n.h3,{id:"cjs-root-plugin",children:"CJS Root plugin"}),"\n",(0,s.jsx)(n.p,{children:"\u2705 Install CJS plugins"}),"\n",(0,s.jsx)(n.p,{children:"\u2705 Install ESM plugins"}),"\n",(0,s.jsx)(n.p,{children:"\u2705 Link CJS plugins"}),"\n",(0,s.jsx)(n.p,{children:"\u26a0\ufe0f Link ESM plugins"}),"\n",(0,s.jsxs)(n.ul,{children:["\n",(0,s.jsxs)(n.li,{children:["Auto-compilation will ",(0,s.jsx)(n.strong,{children:"not"})," work with linked ESM plugins. Instead, oclif will use the plugin's compiled source - this means that you must compile the plugin yourself before executing any of the commands. We plan to support this again once the node ecosystem offers more comprehensive native support for ESM."]}),"\n"]}),"\n",(0,s.jsx)(n.h2,{id:"creating-an-esm-plugin",children:"Creating an ESM plugin"}),"\n",(0,s.jsxs)(n.p,{children:["To generate a new ESM plugin from the ",(0,s.jsx)(n.a,{href:"https://github.com/oclif/hello-world-esm",children:"hello-world-esm template"})," run the ",(0,s.jsx)(n.code,{children:"oclif generate"})," command and select ",(0,s.jsx)(n.code,{children:"ESM"})," when it prompts you to select a module type:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ npx oclif generate my-esm-plugin\n? 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You no longer need set the ",(0,s.jsx)(n.code,{children:"NODE_ENV"})," env var or register the project with ",(0,s.jsx)(n.code,{children:"ts-node"}),". You can still adjust oclif ",(0,s.jsx)(n.code,{children:"settings"})," before executing the CLI. For example,"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"#!/usr/bin/env -S node --loader ts-node/esm --no-warnings=ExperimentalWarning\n\nimport {execute, settings} from '@oclif/core'\n\nsettings.performanceEnabled = true\n\nawait execute({development: true, dir: import.meta.url})\n"})}),"\n",(0,s.jsx)(n.h4,{id:"binrun--binrunjs",children:"bin/run \u2192 bin/run.js"}),"\n",(0,s.jsxs)(n.p,{children:["Rename ",(0,s.jsx)(n.code,{children:"bin/run"})," to ",(0,s.jsx)(n.code,{children:"bin/run.js"})," and replace the existing code with the following:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"#!/usr/bin/env node\n\nimport {execute} from '@oclif/core'\n\nawait execute({dir: import.meta.url})\n"})}),"\n",(0,s.jsx)(n.h3,{id:"update-tsconfigjson",children:"Update tsconfig.json"}),"\n",(0,s.jsxs)(n.p,{children:["After updating the bin scripts you now need to update the ",(0,s.jsx)(n.code,{children:"tsconfig.json"})," to include the following options:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-json",children:'{\n "compilerOptions": {\n "module": "ES2020",\n "moduleResolution": "node16",\n },\n "ts-node": {\n "esm": true\n }\n}\n'})}),"\n",(0,s.jsx)(n.h3,{id:"update-packagejson-to-module-type",children:'Update package.json to "module" type'}),"\n",(0,s.jsxs)(n.p,{children:["Add ",(0,s.jsx)(n.code,{children:'"type": "module"'})," to your package.json so that your files will be loaded as ESM modules"]}),"\n",(0,s.jsx)(n.h3,{id:"update-references-to-bin-scripts",children:"Update references to bin scripts"}),"\n",(0,s.jsxs)(n.p,{children:["You will need to update the references to your bin scripts to the bin scripts with the ",(0,s.jsx)(n.code,{children:".js"})," extension. In the ",(0,s.jsx)(n.code,{children:"package.json"})," you will need to update the ",(0,s.jsx)(n.code,{children:"bin"})," like so:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-json",children:' "bin": {\n "my-cli": "./bin/run"\n },\n'})}),"\n",(0,s.jsx)(n.p,{children:"to"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-json",children:' "bin": {\n "my-cli": "./bin/run.js"\n },\n'})}),"\n",(0,s.jsxs)(n.p,{children:["You may have references to the bin scripts in your ",(0,s.jsx)(n.code,{children:".vscode/launch.json"})," or in the ",(0,s.jsx)(n.code,{children:"scripts"})," of your ",(0,s.jsx)(n.code,{children:"package.json"}),". You'll need to update these as well."]}),"\n",(0,s.jsx)(n.h3,{id:"update-mocharc-settings",children:"Update mocharc settings"}),"\n",(0,s.jsx)(n.p,{children:"In order for your mocha tests to run, you'll need to make a couple of changes:"}),"\n",(0,s.jsxs)(n.ol,{children:["\n",(0,s.jsxs)(n.li,{children:["Add the following to the ",(0,s.jsx)(n.code,{children:".mocharc.json"})]}),"\n"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-json",children:'{\n "node-option": [\n "loader=ts-node/esm"\n ]\n}\n'})}),"\n",(0,s.jsxs)(n.ol,{start:"2",children:["\n",(0,s.jsxs)(n.li,{children:["Update ",(0,s.jsx)(n.code,{children:"test/helpers/init.js"})]}),"\n"]}),"\n",(0,s.jsxs)(n.p,{children:["If your plugin was generated ",(0,s.jsx)(n.code,{children:"oclif generate"})," then you likely have a ",(0,s.jsx)(n.code,{children:"test/helpers/init.js"})," file that needs to be updated. You can either update the file extension to ",(0,s.jsx)(n.code,{children:".cjs"})," or update the ",(0,s.jsx)(n.code,{children:"require"})," at the top of the file to an ",(0,s.jsx)(n.code,{children:"import"}),","]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"import path from 'node:path'\n"})}),"\n",(0,s.jsx)(n.p,{children:"Alternatively, you can safely delete this file since it's no longer necessary."})]})}function h(e={}){const{wrapper:n}={...(0,t.R)(),...e.components};return n?(0,s.jsx)(n,{...e,children:(0,s.jsx)(a,{...e})}):a(e)}},8453:(e,n,i)=>{i.d(n,{R:()=>o,x:()=>r});var s=i(6540);const t={},l=s.createContext(t);function o(e){const n=s.useContext(l);return s.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function r(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(t):e.components||t:o(e.components),s.createElement(l.Provider,{value:n},e.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[8990],{5219:(e,n,i)=>{i.r(n),i.d(n,{assets:()=>d,contentTitle:()=>o,default:()=>h,frontMatter:()=>l,metadata:()=>r,toc:()=>c});var s=i(4848),t=i(8453);const l={title:"ESM"},o=void 0,r={id:"esm",title:"ESM",description:"Version 3.0.0 of @oclif/core officially supports ESM plugin development and CJS/ESM interoperability, meaning that you can have a root plugin written with CJS and your bundled plugins written in ESM or vice versa.",source:"@site/../docs/esm.md",sourceDirName:".",slug:"/esm",permalink:"/docs/esm",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/esm.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"ESM"},sidebar:"docs",previous:{title:"Single Command 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n={a:"a",code:"code",h2:"h2",h3:"h3",h4:"h4",li:"li",ol:"ol",p:"p",pre:"pre",strong:"strong",ul:"ul",...(0,t.R)(),...e.components};return(0,s.jsxs)(s.Fragment,{children:[(0,s.jsxs)(n.p,{children:["Version 3.0.0 of ",(0,s.jsx)(n.code,{children:"@oclif/core"})," officially supports ESM plugin development and CJS/ESM interoperability, meaning that you can have a root plugin written with CJS and your bundled plugins written in ESM or vice versa."]}),"\n",(0,s.jsxs)(n.ul,{children:["\n",(0,s.jsxs)(n.li,{children:[(0,s.jsx)(n.a,{href:"#interoperability-overview",children:"Interoperability Overview"}),"\n",(0,s.jsxs)(n.ul,{children:["\n",(0,s.jsx)(n.li,{children:(0,s.jsx)(n.a,{href:"#esm-root-plugin",children:"ESM Root plugin"})}),"\n",(0,s.jsx)(n.li,{children:(0,s.jsx)(n.a,{href:"#cjs-root-plugin",children:"CJS Root plugin"})}),"\n"]}),"\n"]}),"\n",(0,s.jsx)(n.li,{children:(0,s.jsx)(n.a,{href:"#creating-an-esm-plugin",children:"Creating an ESM 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Instead, oclif will use the plugin's compiled source - this means that you must compile the plugin yourself before executing any of the commands. We plan to support this again once the node ecosystem offers more comprehensive native support for ESM."]}),"\n"]}),"\n",(0,s.jsx)(n.h3,{id:"cjs-root-plugin",children:"CJS Root plugin"}),"\n",(0,s.jsx)(n.p,{children:"\u2705 Install CJS plugins"}),"\n",(0,s.jsx)(n.p,{children:"\u2705 Install ESM plugins"}),"\n",(0,s.jsx)(n.p,{children:"\u2705 Link CJS plugins"}),"\n",(0,s.jsx)(n.p,{children:"\u26a0\ufe0f Link ESM plugins"}),"\n",(0,s.jsxs)(n.ul,{children:["\n",(0,s.jsxs)(n.li,{children:["Auto-compilation will ",(0,s.jsx)(n.strong,{children:"not"})," work with linked ESM plugins. Instead, oclif will use the plugin's compiled source - this means that you must compile the plugin yourself before executing any of the commands. We plan to support this again once the node ecosystem offers more comprehensive native support for ESM."]}),"\n"]}),"\n",(0,s.jsx)(n.h2,{id:"creating-an-esm-plugin",children:"Creating an ESM plugin"}),"\n",(0,s.jsxs)(n.p,{children:["To generate a new ESM plugin from the ",(0,s.jsx)(n.a,{href:"https://github.com/oclif/hello-world-esm",children:"hello-world-esm template"})," run the ",(0,s.jsx)(n.code,{children:"oclif generate"})," command and select ",(0,s.jsx)(n.code,{children:"ESM"})," when it prompts you to select a module type:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ npx oclif generate my-esm-plugin\n? Select a module type\n CommonJS\n\u276f ESM\n"})}),"\n",(0,s.jsx)(n.h2,{id:"migrating-a-cjs-plugin-to-esm",children:"Migrating a CJS plugin to ESM"}),"\n",(0,s.jsx)(n.h3,{id:"update-bin-scripts",children:"Update bin scripts"}),"\n",(0,s.jsxs)(n.p,{children:["First you will need to update the bin scripts under the ",(0,s.jsx)(n.code,{children:"bin"})," directory."]}),"\n",(0,s.jsx)(n.h4,{id:"bindev--bindevjs",children:"bin/dev \u2192 bin/dev.js"}),"\n",(0,s.jsxs)(n.p,{children:["Rename ",(0,s.jsx)(n.code,{children:"bin/dev"})," to ",(0,s.jsx)(n.code,{children:"bin/dev.js"})," and replace the existing code with the following:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"#!/usr/bin/env -S node --loader ts-node/esm --no-warnings=ExperimentalWarning\n\nimport {execute} from '@oclif/core'\n\nawait execute({development: true, dir: import.meta.url})\n"})}),"\n",(0,s.jsxs)(n.p,{children:["This leverages oclif's ",(0,s.jsx)(n.code,{children:"execute"})," function which handles all the development setup for you. You no longer need set the ",(0,s.jsx)(n.code,{children:"NODE_ENV"})," env var or register the project with ",(0,s.jsx)(n.code,{children:"ts-node"}),". You can still adjust oclif ",(0,s.jsx)(n.code,{children:"settings"})," before executing the CLI. For example,"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"#!/usr/bin/env -S node --loader ts-node/esm --no-warnings=ExperimentalWarning\n\nimport {execute, settings} from '@oclif/core'\n\nsettings.performanceEnabled = true\n\nawait execute({development: true, dir: import.meta.url})\n"})}),"\n",(0,s.jsx)(n.h4,{id:"binrun--binrunjs",children:"bin/run \u2192 bin/run.js"}),"\n",(0,s.jsxs)(n.p,{children:["Rename ",(0,s.jsx)(n.code,{children:"bin/run"})," to ",(0,s.jsx)(n.code,{children:"bin/run.js"})," and replace the existing code with the following:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"#!/usr/bin/env node\n\nimport {execute} from '@oclif/core'\n\nawait execute({dir: import.meta.url})\n"})}),"\n",(0,s.jsx)(n.h3,{id:"update-tsconfigjson",children:"Update tsconfig.json"}),"\n",(0,s.jsxs)(n.p,{children:["After updating the bin scripts you now need to update the ",(0,s.jsx)(n.code,{children:"tsconfig.json"})," to include the following options:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-json",children:'{\n "compilerOptions": {\n "module": "ES2020",\n "moduleResolution": "node16",\n },\n "ts-node": {\n "esm": true\n }\n}\n'})}),"\n",(0,s.jsx)(n.h3,{id:"update-packagejson-to-module-type",children:'Update package.json to "module" type'}),"\n",(0,s.jsxs)(n.p,{children:["Add ",(0,s.jsx)(n.code,{children:'"type": "module"'})," to your package.json so that your files will be loaded as ESM modules"]}),"\n",(0,s.jsx)(n.h3,{id:"update-references-to-bin-scripts",children:"Update references to bin scripts"}),"\n",(0,s.jsxs)(n.p,{children:["You will need to update the references to your bin scripts to the bin scripts with the ",(0,s.jsx)(n.code,{children:".js"})," extension. In the ",(0,s.jsx)(n.code,{children:"package.json"})," you will need to update the ",(0,s.jsx)(n.code,{children:"bin"})," like so:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-json",children:' "bin": {\n "my-cli": "./bin/run"\n },\n'})}),"\n",(0,s.jsx)(n.p,{children:"to"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-json",children:' "bin": {\n "my-cli": "./bin/run.js"\n },\n'})}),"\n",(0,s.jsxs)(n.p,{children:["You may have references to the bin scripts in your ",(0,s.jsx)(n.code,{children:".vscode/launch.json"})," or in the ",(0,s.jsx)(n.code,{children:"scripts"})," of your ",(0,s.jsx)(n.code,{children:"package.json"}),". You'll need to update these as well."]}),"\n",(0,s.jsx)(n.h3,{id:"update-mocharc-settings",children:"Update mocharc settings"}),"\n",(0,s.jsx)(n.p,{children:"In order for your mocha tests to run, you'll need to make a couple of changes:"}),"\n",(0,s.jsxs)(n.ol,{children:["\n",(0,s.jsxs)(n.li,{children:["Add the following to the ",(0,s.jsx)(n.code,{children:".mocharc.json"})]}),"\n"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-json",children:'{\n "node-option": [\n "loader=ts-node/esm"\n ]\n}\n'})}),"\n",(0,s.jsxs)(n.ol,{start:"2",children:["\n",(0,s.jsxs)(n.li,{children:["Update ",(0,s.jsx)(n.code,{children:"test/helpers/init.js"})]}),"\n"]}),"\n",(0,s.jsxs)(n.p,{children:["If your plugin was generated ",(0,s.jsx)(n.code,{children:"oclif generate"})," then you likely have a ",(0,s.jsx)(n.code,{children:"test/helpers/init.js"})," file that needs to be updated. You can either update the file extension to ",(0,s.jsx)(n.code,{children:".cjs"})," or update the ",(0,s.jsx)(n.code,{children:"require"})," at the top of the file to an ",(0,s.jsx)(n.code,{children:"import"}),","]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"import path from 'node:path'\n"})}),"\n",(0,s.jsx)(n.p,{children:"Alternatively, you can safely delete this file since it's no longer necessary."})]})}function h(e={}){const{wrapper:n}={...(0,t.R)(),...e.components};return n?(0,s.jsx)(n,{...e,children:(0,s.jsx)(a,{...e})}):a(e)}},8453:(e,n,i)=>{i.d(n,{R:()=>o,x:()=>r});var s=i(6540);const t={},l=s.createContext(t);function o(e){const n=s.useContext(l);return s.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function r(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(t):e.components||t:o(e.components),s.createElement(l.Provider,{value:n},e.children)}}}]); \ No newline at end of file diff --git a/assets/js/6f3bb722.82eaa226.js b/assets/js/6f3bb722.36477967.js similarity index 99% rename from assets/js/6f3bb722.82eaa226.js rename to assets/js/6f3bb722.36477967.js index a6cc72cc..93ed1c9c 100644 --- a/assets/js/6f3bb722.82eaa226.js +++ b/assets/js/6f3bb722.36477967.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[2961],{8976:(e,n,s)=>{s.r(n),s.d(n,{assets:()=>c,contentTitle:()=>i,default:()=>h,frontMatter:()=>t,metadata:()=>d,toc:()=>a});var r=s(4848),o=s(8453);const t={title:"Commands"},i=void 0,d={id:"commands",title:"Commands",description:"A basic command looks like the following in TypeScript:",source:"@site/../docs/commands.md",sourceDirName:".",slug:"/commands",permalink:"/docs/commands",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/commands.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"Commands"},sidebar:"docs",previous:{title:"Command Discovery Strategies",permalink:"/docs/command_discovery_strategies"},next:{title:"Command Arguments",permalink:"/docs/args"}},c={},a=[{value:"Avoiding Timeouts",id:"avoiding-timeouts",level:3},{value:"Other Command Options",id:"other-command-options",level:3},{value:"Command Methods",id:"command-methods",level:2},{value:"this.log(message: string)",id:"thislogmessage-string",level:3},{value:"this.warn(message: string | Error)",id:"thiswarnmessage-string--error",level:3},{value:"this.error(message: string | Error, options?: {code?: string, exit?: number, ref?: string; suggestions?: string[];})",id:"thiserrormessage-string--error-options-code-string-exit-number-ref-string-suggestions-string",level:3},{value:"this.exit(code: number = 0)",id:"thisexitcode-number--0",level:3},{value:"this.logToStderr(message: string)",id:"thislogtostderrmessage-string",level:3},{value:"this.jsonEnabled()",id:"thisjsonenabled",level:3},{value:"this.toSuccessJson(result: unknown)",id:"thistosuccessjsonresult-unknown",level:3},{value:"this.toErrorJson(result: unknown)",id:"thistoerrorjsonresult-unknown",level:3}];function l(e){const n={a:"a",code:"code",h2:"h2",h3:"h3",li:"li",p:"p",pre:"pre",strong:"strong",ul:"ul",...(0,o.R)(),...e.components};return(0,r.jsxs)(r.Fragment,{children:[(0,r.jsx)(n.p,{children:"A basic command looks like the following in TypeScript:"}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-js",children:"import {Command} from '@oclif/core'\n\nexport class MyCommand extends Command {\n static description = 'description of this example command'\n\n async run(): Promise {\n console.log('running my command')\n }\n}\n"})}),"\n",(0,r.jsxs)(n.p,{children:["The only part that is required is the run function. Accept user input with ",(0,r.jsx)(n.a,{href:"/docs/args",children:"arguments"})," and ",(0,r.jsx)(n.a,{href:"/docs/flags",children:"flags"}),"."]}),"\n",(0,r.jsx)(n.p,{children:"In JavaScript:"}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-js",children:"const {Command} = require('@oclif/core')\n\nclass MyCommand extends Command {\n async run() {\n console.log('running my command')\n }\n}\n\nMyCommand.description = 'description of this example command'\n\nmodule.exports = MyCommand\n"})}),"\n",(0,r.jsx)(n.p,{children:"Note that the following examples will be in TypeScript. As JavaScript does not yet have static class properties, you will have to add them to the class after it is declared like we did with the description above."}),"\n",(0,r.jsx)(n.h3,{id:"avoiding-timeouts",children:"Avoiding Timeouts"}),"\n",(0,r.jsxs)(n.p,{children:["In order to avoid command executions running indefinitely, oclif will terminate the node process 10 seconds after ",(0,r.jsx)(n.code,{children:"Command.run"})," resolves. This means that all command logic inside the ",(0,r.jsx)(n.code,{children:"run"})," method should either run synchronously or should return a ",(0,r.jsx)(n.code,{children:"Promise"}),". This will allow the entire command to run before the 10 second timeout starts."]}),"\n",(0,r.jsxs)(n.p,{children:["In other words, ",(0,r.jsxs)(n.strong,{children:["if you execute a promise in ",(0,r.jsx)(n.code,{children:"Command.run"})," without a awaiting it, then the command will likely timeout before it's completed."]})]}),"\n",(0,r.jsx)(n.h3,{id:"other-command-options",children:"Other Command Options"}),"\n",(0,r.jsxs)(n.p,{children:[(0,r.jsx)(n.a,{href:"https://github.com/oclif/core/blob/main/src/command.ts",children:"See the base class to get an idea of what methods can be called on a command"}),"."]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"import {Command, Flags} from '@oclif/core'\n\nexport class MyCommand extends Command {\n static summary = 'A brief overview of your command.'\n static description = `\nAn in-depth description of the command.\nIt can be multiline.\n`\n\n // hide the command from help\n static hidden = false\n\n // custom usage string for help\n // this overrides the default usage\n static usage = 'mycommand --myflag'\n\n // examples to add to help\n // <%= config.bin %> resolves to the executable name\n // <%= command.id %> resolves to the command name\n static examples = [\n // Examples can be simple strings\n '<%= config.bin %> <%= command.id %> --help',\n // Or objects that provide a description of the example command\n {\n description: 'Force the command to execute',\n command: '<%= config.bin %> <%= command.id %> --force',\n }\n ]\n\n // this makes the parser not fail when it receives invalid arguments\n // defaults to true\n // set it to false if you need to accept a variable number of arguments\n static strict = false\n\n // define aliases that can execute this command.\n static aliases = ['alternate:name:for:this:command']\n\n // Set to true if you want to add the --json flag to your command.\n // oclif will automatically suppress logs (if you use this.log, this.warn, or this.error) and\n // display the JSON returned by the command's run method.\n static enableJsonFlag = true\n\n async run() {\n // show a warning\n this.warn('uh oh!')\n // exit with an error message\n this.error('uh oh!!!')\n // exit with status code\n this.exit(1)\n }\n}\n"})}),"\n",(0,r.jsx)(n.h2,{id:"command-methods",children:"Command Methods"}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.a,{href:"#command-methods",children:"Command Methods"}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thislogmessage-string",children:(0,r.jsx)(n.code,{children:"this.log(message: string)"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thiswarnmessage-string--error",children:(0,r.jsx)(n.code,{children:"this.warn(message: string | Error)"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thiserrormessage-string--error-options-code-string-exit-number-ref-string-suggestions-string",children:(0,r.jsx)(n.code,{children:"this.error(message: string | Error, options?: {code?: string, exit?: number, ref?: string; suggestions?: string[];})"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thisexitcode-number--0",children:(0,r.jsx)(n.code,{children:"this.exit(code: number = 0)"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thislogtostderrmessage-string",children:(0,r.jsx)(n.code,{children:"this.logToStderr(message: string)"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thisjsonenabled",children:(0,r.jsx)(n.code,{children:"this.jsonEnabled()"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thistosuccessjsonresult-unknown",children:(0,r.jsx)(n.code,{children:"this.toSuccessJson(result: unknown)"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thistoerrorjsonresult-unknown",children:(0,r.jsx)(n.code,{children:"this.toErrorJson(result: unknown)"})})}),"\n"]}),"\n"]}),"\n"]}),"\n",(0,r.jsxs)(n.p,{children:["The following assumes you are in the ",(0,r.jsx)(n.code,{children:"run()"})," method of an oclif ",(0,r.jsx)(n.a,{href:"/docs/commands",children:"command"}),"."]}),"\n",(0,r.jsx)(n.h3,{id:"thislogmessage-string",children:(0,r.jsx)(n.code,{children:"this.log(message: string)"})}),"\n",(0,r.jsxs)(n.p,{children:["Output message to stdout (non-blocking). ",(0,r.jsx)(n.code,{children:"console.log()"})," works fine too, but that is a blocking call and won't be automatically suppressed when the ",(0,r.jsx)(n.code,{children:"--json"})," flag is present. This uses ",(0,r.jsx)(n.a,{href:"https://nodejs.org/api/util.html#util_util_format_format_args",children:"util.format()"})," which behaves the same as ",(0,r.jsx)(n.code,{children:"console.log()"}),"."]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"this.log('hello, world!')\n"})}),"\n",(0,r.jsx)(n.h3,{id:"thiswarnmessage-string--error",children:(0,r.jsx)(n.code,{children:"this.warn(message: string | Error)"})}),"\n",(0,r.jsx)(n.p,{children:"Display an error or message as a warning"}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"this.warn('uh oh!')\nthis.warn(new Error('uh oh!'))\n"})}),"\n",(0,r.jsx)(n.h3,{id:"thiserrormessage-string--error-options-code-string-exit-number-ref-string-suggestions-string",children:(0,r.jsx)(n.code,{children:"this.error(message: string | Error, options?: {code?: string, exit?: number, ref?: string; suggestions?: string[];})"})}),"\n",(0,r.jsx)(n.p,{children:"Display error and exit. Also add a code to error object or exit status."}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"this.error('uh oh!', {exit: 2})\nthis.error(new Error('uh oh!'))\n"})}),"\n",(0,r.jsx)(n.p,{children:"The options object has the following options:"}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.code,{children:"exit"})," \u2014 exit code to use"]}),"\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.code,{children:"code"})," \u2014 a unique error code for the type of error"]}),"\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.code,{children:"suggestions"})," \u2014 an array of suggestions for a user to try next that may be useful or provide additional context"]}),"\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.code,{children:"ref"})," \u2014 a url to documentation related to this error or fixing it"]}),"\n"]}),"\n",(0,r.jsxs)(n.p,{children:["The ",(0,r.jsx)(n.code,{children:"message"}),", ",(0,r.jsx)(n.code,{children:"code"}),", ",(0,r.jsx)(n.code,{children:"suggestions"}),", ",(0,r.jsx)(n.code,{children:"ref"})," properties will be displayed when an error is shown. Reusable ",(0,r.jsx)(n.code,{children:"Error"})," classes can be created that display the optional outputs above by implementing the ",(0,r.jsx)(n.code,{children:"PrettyPrintableError"})," interface from the ",(0,r.jsx)(n.code,{children:"Errors"})," namespace from ",(0,r.jsx)(n.code,{children:"@oclif/core"})," and ",(0,r.jsx)(n.code,{children:"this.error"})," will handle them appropriately."]}),"\n",(0,r.jsxs)(n.p,{children:["These errors are friendly and won't show a traceback unless debugging is enabled with ",(0,r.jsx)(n.code,{children:"DEBUG=*"}),"."]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"import {CLIError} from '@oclif/errors'\n\nthrow new CLIError('my friendly error')\n"})}),"\n",(0,r.jsxs)(n.p,{children:["Any error caught by the command of this ",(0,r.jsx)(n.code,{children:"CLIError"})," type will be shown without traceback."]}),"\n",(0,r.jsx)(n.h3,{id:"thisexitcode-number--0",children:(0,r.jsx)(n.code,{children:"this.exit(code: number = 0)"})}),"\n",(0,r.jsx)(n.p,{children:"Exit process. Defaults to status 0."}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"this.exit()\nthis.exit(1)\n"})}),"\n",(0,r.jsx)(n.h3,{id:"thislogtostderrmessage-string",children:(0,r.jsx)(n.code,{children:"this.logToStderr(message: string)"})}),"\n",(0,r.jsxs)(n.p,{children:["Log a message to the terminal's ",(0,r.jsx)(n.code,{children:"stderr"}),"."]}),"\n",(0,r.jsx)(n.h3,{id:"thisjsonenabled",children:(0,r.jsx)(n.code,{children:"this.jsonEnabled()"})}),"\n",(0,r.jsxs)(n.p,{children:["Returns to ",(0,r.jsx)(n.code,{children:"true"})," if the ",(0,r.jsx)(n.code,{children:"--json"})," flag is present and ",(0,r.jsx)(n.code,{children:"enableJsonFlag"})," is set to ",(0,r.jsx)(n.code,{children:"true"})]}),"\n",(0,r.jsx)(n.h3,{id:"thistosuccessjsonresult-unknown",children:(0,r.jsx)(n.code,{children:"this.toSuccessJson(result: unknown)"})}),"\n",(0,r.jsx)(n.p,{children:"Modify the command's success JSON output before it's displayed to the user."}),"\n",(0,r.jsx)(n.h3,{id:"thistoerrorjsonresult-unknown",children:(0,r.jsx)(n.code,{children:"this.toErrorJson(result: unknown)"})}),"\n",(0,r.jsx)(n.p,{children:"Modify the command's error JSON output before it's displayed to the user."})]})}function h(e={}){const{wrapper:n}={...(0,o.R)(),...e.components};return n?(0,r.jsx)(n,{...e,children:(0,r.jsx)(l,{...e})}):l(e)}},8453:(e,n,s)=>{s.d(n,{R:()=>i,x:()=>d});var r=s(6540);const o={},t=r.createContext(o);function i(e){const n=r.useContext(t);return r.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function d(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(o):e.components||o:i(e.components),r.createElement(t.Provider,{value:n},e.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[2961],{8976:(e,n,s)=>{s.r(n),s.d(n,{assets:()=>c,contentTitle:()=>i,default:()=>h,frontMatter:()=>t,metadata:()=>d,toc:()=>a});var r=s(4848),o=s(8453);const t={title:"Commands"},i=void 0,d={id:"commands",title:"Commands",description:"A basic command looks like the following in TypeScript:",source:"@site/../docs/commands.md",sourceDirName:".",slug:"/commands",permalink:"/docs/commands",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/commands.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"Commands"},sidebar:"docs",previous:{title:"Command Discovery Strategies",permalink:"/docs/command_discovery_strategies"},next:{title:"Command Arguments",permalink:"/docs/args"}},c={},a=[{value:"Avoiding Timeouts",id:"avoiding-timeouts",level:3},{value:"Other Command Options",id:"other-command-options",level:3},{value:"Command Methods",id:"command-methods",level:2},{value:"this.log(message: string)",id:"thislogmessage-string",level:3},{value:"this.warn(message: string | Error)",id:"thiswarnmessage-string--error",level:3},{value:"this.error(message: string | Error, options?: {code?: string, exit?: number, ref?: string; suggestions?: string[];})",id:"thiserrormessage-string--error-options-code-string-exit-number-ref-string-suggestions-string",level:3},{value:"this.exit(code: number = 0)",id:"thisexitcode-number--0",level:3},{value:"this.logToStderr(message: string)",id:"thislogtostderrmessage-string",level:3},{value:"this.jsonEnabled()",id:"thisjsonenabled",level:3},{value:"this.toSuccessJson(result: unknown)",id:"thistosuccessjsonresult-unknown",level:3},{value:"this.toErrorJson(result: unknown)",id:"thistoerrorjsonresult-unknown",level:3}];function l(e){const n={a:"a",code:"code",h2:"h2",h3:"h3",li:"li",p:"p",pre:"pre",strong:"strong",ul:"ul",...(0,o.R)(),...e.components};return(0,r.jsxs)(r.Fragment,{children:[(0,r.jsx)(n.p,{children:"A basic command looks like the following in TypeScript:"}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-js",children:"import {Command} from '@oclif/core'\n\nexport class MyCommand extends Command {\n static description = 'description of this example command'\n\n async run(): Promise {\n console.log('running my command')\n }\n}\n"})}),"\n",(0,r.jsxs)(n.p,{children:["The only part that is required is the run function. Accept user input with ",(0,r.jsx)(n.a,{href:"/docs/args",children:"arguments"})," and ",(0,r.jsx)(n.a,{href:"/docs/flags",children:"flags"}),"."]}),"\n",(0,r.jsx)(n.p,{children:"In JavaScript:"}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-js",children:"const {Command} = require('@oclif/core')\n\nclass MyCommand extends Command {\n async run() {\n console.log('running my command')\n }\n}\n\nMyCommand.description = 'description of this example command'\n\nmodule.exports = MyCommand\n"})}),"\n",(0,r.jsx)(n.p,{children:"Note that the following examples will be in TypeScript. As JavaScript does not yet have static class properties, you will have to add them to the class after it is declared like we did with the description above."}),"\n",(0,r.jsx)(n.h3,{id:"avoiding-timeouts",children:"Avoiding Timeouts"}),"\n",(0,r.jsxs)(n.p,{children:["In order to avoid command executions running indefinitely, oclif will terminate the node process 10 seconds after ",(0,r.jsx)(n.code,{children:"Command.run"})," resolves. This means that all command logic inside the ",(0,r.jsx)(n.code,{children:"run"})," method should either run synchronously or should return a ",(0,r.jsx)(n.code,{children:"Promise"}),". This will allow the entire command to run before the 10 second timeout starts."]}),"\n",(0,r.jsxs)(n.p,{children:["In other words, ",(0,r.jsxs)(n.strong,{children:["if you execute a promise in ",(0,r.jsx)(n.code,{children:"Command.run"})," without a awaiting it, then the command will likely timeout before it's completed."]})]}),"\n",(0,r.jsx)(n.h3,{id:"other-command-options",children:"Other Command Options"}),"\n",(0,r.jsxs)(n.p,{children:[(0,r.jsx)(n.a,{href:"https://github.com/oclif/core/blob/main/src/command.ts",children:"See the base class to get an idea of what methods can be called on a command"}),"."]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"import {Command, Flags} from '@oclif/core'\n\nexport class MyCommand extends Command {\n static summary = 'A brief overview of your command.'\n static description = `\nAn in-depth description of the command.\nIt can be multiline.\n`\n\n // hide the command from help\n static hidden = false\n\n // custom usage string for help\n // this overrides the default usage\n static usage = 'mycommand --myflag'\n\n // examples to add to help\n // <%= config.bin %> resolves to the executable name\n // <%= command.id %> resolves to the command name\n static examples = [\n // Examples can be simple strings\n '<%= config.bin %> <%= command.id %> --help',\n // Or objects that provide a description of the example command\n {\n description: 'Force the command to execute',\n command: '<%= config.bin %> <%= command.id %> --force',\n }\n ]\n\n // this makes the parser not fail when it receives invalid arguments\n // defaults to true\n // set it to false if you need to accept a variable number of arguments\n static strict = false\n\n // define aliases that can execute this command.\n static aliases = ['alternate:name:for:this:command']\n\n // Set to true if you want to add the --json flag to your command.\n // oclif will automatically suppress logs (if you use this.log, this.warn, or this.error) and\n // display the JSON returned by the command's run method.\n static enableJsonFlag = true\n\n async run() {\n // show a warning\n this.warn('uh oh!')\n // exit with an error message\n this.error('uh oh!!!')\n // exit with status code\n this.exit(1)\n }\n}\n"})}),"\n",(0,r.jsx)(n.h2,{id:"command-methods",children:"Command Methods"}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.a,{href:"#command-methods",children:"Command Methods"}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thislogmessage-string",children:(0,r.jsx)(n.code,{children:"this.log(message: string)"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thiswarnmessage-string--error",children:(0,r.jsx)(n.code,{children:"this.warn(message: string | Error)"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thiserrormessage-string--error-options-code-string-exit-number-ref-string-suggestions-string",children:(0,r.jsx)(n.code,{children:"this.error(message: string | Error, options?: {code?: string, exit?: number, ref?: string; suggestions?: string[];})"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thisexitcode-number--0",children:(0,r.jsx)(n.code,{children:"this.exit(code: number = 0)"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thislogtostderrmessage-string",children:(0,r.jsx)(n.code,{children:"this.logToStderr(message: string)"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thisjsonenabled",children:(0,r.jsx)(n.code,{children:"this.jsonEnabled()"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thistosuccessjsonresult-unknown",children:(0,r.jsx)(n.code,{children:"this.toSuccessJson(result: unknown)"})})}),"\n",(0,r.jsx)(n.li,{children:(0,r.jsx)(n.a,{href:"#thistoerrorjsonresult-unknown",children:(0,r.jsx)(n.code,{children:"this.toErrorJson(result: unknown)"})})}),"\n"]}),"\n"]}),"\n"]}),"\n",(0,r.jsxs)(n.p,{children:["The following assumes you are in the ",(0,r.jsx)(n.code,{children:"run()"})," method of an oclif ",(0,r.jsx)(n.a,{href:"/docs/commands",children:"command"}),"."]}),"\n",(0,r.jsx)(n.h3,{id:"thislogmessage-string",children:(0,r.jsx)(n.code,{children:"this.log(message: string)"})}),"\n",(0,r.jsxs)(n.p,{children:["Output message to stdout (non-blocking). ",(0,r.jsx)(n.code,{children:"console.log()"})," works fine too, but that is a blocking call and won't be automatically suppressed when the ",(0,r.jsx)(n.code,{children:"--json"})," flag is present. This uses ",(0,r.jsx)(n.a,{href:"https://nodejs.org/api/util.html#util_util_format_format_args",children:"util.format()"})," which behaves the same as ",(0,r.jsx)(n.code,{children:"console.log()"}),"."]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"this.log('hello, world!')\n"})}),"\n",(0,r.jsx)(n.h3,{id:"thiswarnmessage-string--error",children:(0,r.jsx)(n.code,{children:"this.warn(message: string | Error)"})}),"\n",(0,r.jsx)(n.p,{children:"Display an error or message as a warning"}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"this.warn('uh oh!')\nthis.warn(new Error('uh oh!'))\n"})}),"\n",(0,r.jsx)(n.h3,{id:"thiserrormessage-string--error-options-code-string-exit-number-ref-string-suggestions-string",children:(0,r.jsx)(n.code,{children:"this.error(message: string | Error, options?: {code?: string, exit?: number, ref?: string; suggestions?: string[];})"})}),"\n",(0,r.jsx)(n.p,{children:"Display error and exit. Also add a code to error object or exit status."}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"this.error('uh oh!', {exit: 2})\nthis.error(new Error('uh oh!'))\n"})}),"\n",(0,r.jsx)(n.p,{children:"The options object has the following options:"}),"\n",(0,r.jsxs)(n.ul,{children:["\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.code,{children:"exit"})," \u2014 exit code to use"]}),"\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.code,{children:"code"})," \u2014 a unique error code for the type of error"]}),"\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.code,{children:"suggestions"})," \u2014 an array of suggestions for a user to try next that may be useful or provide additional context"]}),"\n",(0,r.jsxs)(n.li,{children:[(0,r.jsx)(n.code,{children:"ref"})," \u2014 a url to documentation related to this error or fixing it"]}),"\n"]}),"\n",(0,r.jsxs)(n.p,{children:["The ",(0,r.jsx)(n.code,{children:"message"}),", ",(0,r.jsx)(n.code,{children:"code"}),", ",(0,r.jsx)(n.code,{children:"suggestions"}),", ",(0,r.jsx)(n.code,{children:"ref"})," properties will be displayed when an error is shown. Reusable ",(0,r.jsx)(n.code,{children:"Error"})," classes can be created that display the optional outputs above by implementing the ",(0,r.jsx)(n.code,{children:"PrettyPrintableError"})," interface from the ",(0,r.jsx)(n.code,{children:"Errors"})," namespace from ",(0,r.jsx)(n.code,{children:"@oclif/core"})," and ",(0,r.jsx)(n.code,{children:"this.error"})," will handle them appropriately."]}),"\n",(0,r.jsxs)(n.p,{children:["These errors are friendly and won't show a traceback unless debugging is enabled with ",(0,r.jsx)(n.code,{children:"DEBUG=*"}),"."]}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"import {CLIError} from '@oclif/errors'\n\nthrow new CLIError('my friendly error')\n"})}),"\n",(0,r.jsxs)(n.p,{children:["Any error caught by the command of this ",(0,r.jsx)(n.code,{children:"CLIError"})," type will be shown without traceback."]}),"\n",(0,r.jsx)(n.h3,{id:"thisexitcode-number--0",children:(0,r.jsx)(n.code,{children:"this.exit(code: number = 0)"})}),"\n",(0,r.jsx)(n.p,{children:"Exit process. Defaults to status 0."}),"\n",(0,r.jsx)(n.pre,{children:(0,r.jsx)(n.code,{className:"language-typescript",children:"this.exit()\nthis.exit(1)\n"})}),"\n",(0,r.jsx)(n.h3,{id:"thislogtostderrmessage-string",children:(0,r.jsx)(n.code,{children:"this.logToStderr(message: string)"})}),"\n",(0,r.jsxs)(n.p,{children:["Log a message to the terminal's ",(0,r.jsx)(n.code,{children:"stderr"}),"."]}),"\n",(0,r.jsx)(n.h3,{id:"thisjsonenabled",children:(0,r.jsx)(n.code,{children:"this.jsonEnabled()"})}),"\n",(0,r.jsxs)(n.p,{children:["Returns to ",(0,r.jsx)(n.code,{children:"true"})," if the ",(0,r.jsx)(n.code,{children:"--json"})," flag is present and ",(0,r.jsx)(n.code,{children:"enableJsonFlag"})," is set to ",(0,r.jsx)(n.code,{children:"true"})]}),"\n",(0,r.jsx)(n.h3,{id:"thistosuccessjsonresult-unknown",children:(0,r.jsx)(n.code,{children:"this.toSuccessJson(result: unknown)"})}),"\n",(0,r.jsx)(n.p,{children:"Modify the command's success JSON output before it's displayed to the user."}),"\n",(0,r.jsx)(n.h3,{id:"thistoerrorjsonresult-unknown",children:(0,r.jsx)(n.code,{children:"this.toErrorJson(result: unknown)"})}),"\n",(0,r.jsx)(n.p,{children:"Modify the command's error JSON output before it's displayed to the user."})]})}function h(e={}){const{wrapper:n}={...(0,o.R)(),...e.components};return n?(0,r.jsx)(n,{...e,children:(0,r.jsx)(l,{...e})}):l(e)}},8453:(e,n,s)=>{s.d(n,{R:()=>i,x:()=>d});var r=s(6540);const o={},t=r.createContext(o);function i(e){const n=r.useContext(t);return r.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function d(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(o):e.components||o:i(e.components),r.createElement(t.Provider,{value:n},e.children)}}}]); \ No newline at end of file diff --git a/assets/js/713bb917.dbd2243e.js b/assets/js/713bb917.cf149bb6.js similarity index 99% rename from assets/js/713bb917.dbd2243e.js rename to assets/js/713bb917.cf149bb6.js index 5e7e5aaf..0a0189d8 100644 --- a/assets/js/713bb917.dbd2243e.js +++ b/assets/js/713bb917.cf149bb6.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[5483],{5678:(e,n,t)=>{t.r(n),t.d(n,{assets:()=>c,contentTitle:()=>l,default:()=>h,frontMatter:()=>s,metadata:()=>o,toc:()=>r});var i=t(4848),a=t(8453);const s={title:"Release"},l=void 0,o={id:"releasing",title:"Release",description:"There are 2 main strategies for releasing oclif CLIs: npm and standalone tarballs. You can publish to one or both.",source:"@site/../docs/releasing.md",sourceDirName:".",slug:"/releasing",permalink:"/docs/releasing",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/releasing.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"Release"},sidebar:"docs",previous:{title:"JSON",permalink:"/docs/json"},next:{title:"Testing",permalink:"/docs/testing"}},c={},r=[{value:"npm",id:"npm",level:2},{value:"Standalone tarballs",id:"standalone-tarballs",level:2},{value:"Brew",id:"brew",level:2},{value:"Autoupdater",id:"autoupdater",level:2},{value:"Autoupdate Channels",id:"autoupdate-channels",level:2},{value:"Windows installer",id:"windows-installer",level:2},{value:"macOS installer",id:"macos-installer",level:2},{value:"Uploading to S3",id:"uploading-to-s3",level:3},{value:"Signing the installer",id:"signing-the-installer",level:3},{value:"Ubuntu/Debian packages",id:"ubuntudebian-packages",level:2},{value:"Snapcraft",id:"snapcraft",level:2}];function d(e){const n={a:"a",br:"br",code:"code",h2:"h2",h3:"h3",p:"p",pre:"pre",...(0,a.R)(),...e.components};return(0,i.jsxs)(i.Fragment,{children:[(0,i.jsx)(n.p,{children:"There are 2 main strategies for releasing oclif CLIs: npm and standalone tarballs. You can publish to one or both."}),"\n",(0,i.jsx)(n.h2,{id:"npm",children:"npm"}),"\n",(0,i.jsxs)(n.p,{children:["Just use ",(0,i.jsx)(n.code,{children:"npm publish"})," like any other npm project. This includes a ",(0,i.jsx)(n.code,{children:"run.cmd"})," script that will automatically be used for Windows users."]}),"\n",(0,i.jsx)(n.pre,{children:(0,i.jsx)(n.code,{className:"language-sh-session",children:"$ npm version (major|minor|patch) # bumps version, updates README, adds git tag\n$ npm publish\n$ npm install -g mynewcli\n$ mynewcli\n# OR\n$ npx mynewcli\n"})}),"\n",(0,i.jsxs)(n.p,{children:["You'll need to ",(0,i.jsx)(n.a,{href:"https://www.npmjs.com/signup",children:"register with npm"})," and have verified your email address in order to publish."]}),"\n",(0,i.jsxs)(n.p,{children:["This workflow can be improved slightly by running ",(0,i.jsx)(n.code,{children:"npm version major|minor|patch"})," before publishing which will create a git tag and bump the version automatically."]}),"\n",(0,i.jsx)(n.h2,{id:"standalone-tarballs",children:"Standalone tarballs"}),"\n",(0,i.jsxs)(n.p,{children:["Build standalone tarballs with ",(0,i.jsx)(n.code,{children:"oclif pack tarballs"})," from the root of your CLI. These include the node binary so the user does not have to already have node installed to use the CLI. It won't put this node binary on the PATH so the binary will not conflict with any node installation on the machine."]}),"\n",(0,i.jsxs)(n.p,{children:["To publish, you can copy the files from ",(0,i.jsx)(n.code,{children:"./dist"})," or use ",(0,i.jsx)(n.code,{children:"oclif upload tarballs"})," to copy the files to S3. You'll need to set ",(0,i.jsx)(n.code,{children:"oclif.update.s3.bucket"})," in ",(0,i.jsx)(n.code,{children:"package.json"})," to a valid S3 bucket and have credentials set in ",(0,i.jsx)(n.code,{children:"AWS_ACCESS_KEY_ID"})," and ",(0,i.jsx)(n.code,{children:"AWS_SECRET_ACCESS_KEY"})," environment vars."]}),"\n",(0,i.jsxs)(n.p,{children:["After you've uploaded the tarballs to S3, you can promote the tarballs to a release channel within S3 using ",(0,i.jsx)(n.code,{children:"oclif promote"}),". This allows you to quickly promote and demote a specific version between release channels. For example, the Salesforce CLI has separate ",(0,i.jsx)(n.code,{children:"stable"})," and ",(0,i.jsx)(n.code,{children:"stable-rc"})," channels that are updated weekly."]}),"\n",(0,i.jsx)(n.h2,{id:"brew",children:"Brew"}),"\n",(0,i.jsxs)(n.p,{children:["Your formula can be distributed through Brew. The main caveat is you must set the ",(0,i.jsx)(n.code,{children:"CLIENT_HOME"})," variable when you ship, otherwise it will break the update cycle. An example of this can be found in the ",(0,i.jsx)(n.a,{href:"https://github.com/heroku/homebrew-brew/blob/master/Formula/heroku.rb#L9",children:"heroku cli formula"}),". By exporting a variable of the form ",(0,i.jsx)(n.code,{children:"CLI_NAME_OCLIF_CLIENT_HOME"})," (where ",(0,i.jsx)(n.code,{children:"CLI_NAME"})," is the name of your CLI), you force the update mechanism to look at the brew install location instead of the default (which is ",(0,i.jsx)(n.code,{children:"$XDG_DATA_HOME/.local/share/package_name/client"}),")."]}),"\n",(0,i.jsx)(n.h2,{id:"autoupdater",children:"Autoupdater"}),"\n",(0,i.jsxs)(n.p,{children:["These tarballs as well as the installers below can be made autoupdatable by adding the ",(0,i.jsx)(n.code,{children:"@oclif/plugin-update"})," plugin. Just add this plugin and the CLI will autoupdate in the background or when ",(0,i.jsx)(n.code,{children:"mycli update"})," is run."]}),"\n",(0,i.jsxs)(n.p,{children:["If you don't want to use S3, you can still run ",(0,i.jsx)(n.code,{children:"oclif pack"})," and it will build tarballs. To get the updater to work, set ",(0,i.jsx)(n.code,{children:"oclif.update.s3.host"})," in ",(0,i.jsx)(n.code,{children:"package.json"})," to a host that has the files built in ",(0,i.jsx)(n.code,{children:"./dist"})," from ",(0,i.jsx)(n.code,{children:"oclif pack"}),". This host does not need to be an S3 host. To customize the URL paths, see the S3 templates in ",(0,i.jsx)(n.code,{children:"@oclif/core"}),"."]}),"\n",(0,i.jsx)(n.h2,{id:"autoupdate-channels",children:"Autoupdate Channels"}),"\n",(0,i.jsxs)(n.p,{children:["You can have separate channels for releases that work like Google Chrome Channels (such as beta, dev, canary). To create a channel, just change the version in ",(0,i.jsx)(n.code,{children:"package.json"})," from ",(0,i.jsx)(n.code,{children:"1.0.0"})," to ",(0,i.jsx)(n.code,{children:"1.0.0-beta"}),' (where "beta" is any string you like). Then when you pack with ',(0,i.jsx)(n.code,{children:"oclif pack"}),", it will create beta tarballs. The user can change their channel with ",(0,i.jsx)(n.code,{children:"mycli update beta"})," and will receive all the future releases on that channel."]}),"\n",(0,i.jsx)(n.p,{children:"In the Heroku CLI, we have it automatically build and release the beta channel on every commit to the master branch. Then we have it build and release stable channel whenever a git tag is created in our CI."}),"\n",(0,i.jsx)(n.h2,{id:"windows-installer",children:"Windows installer"}),"\n",(0,i.jsxs)(n.p,{children:["Build a windows installer with ",(0,i.jsx)(n.code,{children:"oclif pack win"}),". It will build into ",(0,i.jsx)(n.code,{children:"./dist/win"}),". This can be uploaded to S3 with ",(0,i.jsx)(n.code,{children:"oclif upload win"})," and promoted within S3 with ",(0,i.jsx)(n.code,{children:"oclif promote --win"}),"."]}),"\n",(0,i.jsx)(n.p,{children:"The installer uses 7zip and nsis. If you're in a mac or unix environment and don't have them, you can use homebrew to insall them."}),"\n",(0,i.jsx)(n.pre,{children:(0,i.jsx)(n.code,{className:"language-sh",children:"brew install nsis\nbrew install p7zip\n"})}),"\n",(0,i.jsx)(n.h2,{id:"macos-installer",children:"macOS installer"}),"\n",(0,i.jsxs)(n.p,{children:["Build a macOS .pkg installer with ",(0,i.jsx)(n.code,{children:"oclif pack macos"}),". It will build into ",(0,i.jsx)(n.code,{children:"./dist/macos"}),". This can be uploaded to S3 with ",(0,i.jsx)(n.code,{children:"oclif upload macos"})," and promoted within S3 with ",(0,i.jsx)(n.code,{children:"oclif promote --macos"}),". You need to set the macOS identifier at ",(0,i.jsx)(n.code,{children:"oclif.macos.identifier"})," in ",(0,i.jsx)(n.code,{children:"package.json"}),' (we use "com.heroku.cli" and "com.salesforce.cli" as the identifiers for the Heroku CLI and the Salesforce CLI, respectively).']}),"\n",(0,i.jsx)(n.h3,{id:"uploading-to-s3",children:"Uploading to S3"}),"\n",(0,i.jsxs)(n.p,{children:["The upload command defaults to using the ACL setting ",(0,i.jsx)(n.code,{children:"public-read"})," unless another policy is specified under ",(0,i.jsx)(n.code,{children:"oclif.update.s3.acl"})," in ",(0,i.jsx)(n.code,{children:"package.json"}),". However, when creating new S3 buckets, AWS's default recommendation can result in an access error (Code: AccessControlListNotSupported) when trying to upload with the ",(0,i.jsx)(n.code,{children:"public-read"})," setting."]}),"\n",(0,i.jsx)(n.p,{children:"To address this, consider updating the oclif section of your package.json with the desired ACL setting. The example below demonstrates how to set the acl to bucket-owner-full-control:"}),"\n",(0,i.jsx)(n.pre,{children:(0,i.jsx)(n.code,{children:'"oclif": {\n "bin": "myOclifApp",\n "dirname": "myOclifApp-cli-data",\n "update": {\n "s3": {\n "host": "https://s3.console.aws.amazon.com/",\n "bucket": "myOclifApp-cli",\n "acl": "bucket-owner-full-control"\n }\n },\n "macos": {\n "identifier": "com.myOclifApp.cli"\n },\n\n...\n\n}\n'})}),"\n",(0,i.jsxs)(n.p,{children:["Amazon has a userguide ",(0,i.jsx)(n.a,{href:"https://docs.aws.amazon.com/AmazonS3/latest/userguide/ensure-object-ownership.html#ensure-object-ownership-bucket-policy",children:"here"})," for help how to configure Bucket Policy settings."]}),"\n",(0,i.jsx)(n.h3,{id:"signing-the-installer",children:"Signing the installer"}),"\n",(0,i.jsxs)(n.p,{children:['To be able to sign an "installer signing identity" has to be available on the build machine (read more on certificates ',(0,i.jsx)(n.a,{href:"https://developer.apple.com/help/account/create-certificates/certificates-overview",children:"here"}),").",(0,i.jsx)(n.br,{}),"\n","Make sure such a certificate is created in developer.apple.com and that the certificate is downloaded and installed in the KeyChain of the build machine.",(0,i.jsx)(n.br,{}),"\n","The certificate name has to be specified in the ",(0,i.jsx)(n.code,{children:"oclif.macos.sign"})," in ",(0,i.jsx)(n.code,{children:"package.json"}),"."]}),"\n",(0,i.jsx)(n.p,{children:"Example:"}),"\n",(0,i.jsx)(n.pre,{children:(0,i.jsx)(n.code,{children:' "macos": {\n "identifier": "com.myOclifApp",\n "sign": "\\"3rd Party Mac Developer Installer: myOclifCompany (R2315646)\\""\n },\n'})}),"\n",(0,i.jsxs)(n.p,{children:["Pay attention to the escaped quotation marks, the certificate name is passed on as an argument to the ",(0,i.jsx)(n.code,{children:"pkgbuild"})," command so without quotation marks it might break.",(0,i.jsx)(n.br,{}),"\n",'For the Heroku CLI the certificate name is "Developer ID Installer: Heroku INC". And optionally set the keychain with ',(0,i.jsx)(n.code,{children:"OSX_KEYCHAIN"}),"."]}),"\n",(0,i.jsx)(n.p,{children:"Installed certificates on the build machine can be viewed in the Keychain Access app."}),"\n",(0,i.jsx)(n.h2,{id:"ubuntudebian-packages",children:"Ubuntu/Debian packages"}),"\n",(0,i.jsxs)(n.p,{children:["Build a deb package with ",(0,i.jsx)(n.code,{children:"oclif pack deb"}),". Set the ",(0,i.jsx)(n.code,{children:"MYCLI_DEB_KEY"})," to a gpg key id to create the gpg files. This will include all the files needed for an apt repository in ",(0,i.jsx)(n.code,{children:"./dist/deb"}),". They can be uploaded to S3 with ",(0,i.jsx)(n.code,{children:"oclif upload deb"})," and promoted within S3 using ",(0,i.jsx)(n.code,{children:"oclif promote --deb"}),"."]}),"\n",(0,i.jsx)(n.p,{children:"Once it's published to S3, users can install with the following:"}),"\n",(0,i.jsx)(n.pre,{children:(0,i.jsx)(n.code,{className:"language-sh-session",children:'$ wget -qO- https://mys3bucket.s3.amazonaws.com/apt/release.key | apt-key add - # you will need to upload this file manually\n$ sudo echo "deb https://mys3bucket.s3.amazonaws.com/apt ./" > /etc/apt/sources.list.d/mycli.list\n$ sudo apt update\n$ sudo apt install -y mycli\n'})}),"\n",(0,i.jsxs)(n.p,{children:["This can be placed in a ",(0,i.jsx)(n.a,{href:"https://cli-assets.heroku.com/install-ubuntu.sh",children:"script"})," for users to install with ",(0,i.jsx)(n.code,{children:"curl https://pathto/myscript | sh"}),"."]}),"\n",(0,i.jsx)(n.p,{children:"These will not autoupdate as Ubuntu already has a reliable way for users to update their package."}),"\n",(0,i.jsx)(n.h2,{id:"snapcraft",children:"Snapcraft"}),"\n",(0,i.jsxs)(n.p,{children:["Snap is a great way to distribute Linux CLIs and comes built into Ubuntu 16+. The Heroku CLI's ",(0,i.jsx)(n.a,{href:"https://github.com/heroku/cli/blob/master/snap/snapcraft.yaml",children:"snapcraft.yml"})," file can be easily modified to work with any oclif CLI."]})]})}function h(e={}){const{wrapper:n}={...(0,a.R)(),...e.components};return n?(0,i.jsx)(n,{...e,children:(0,i.jsx)(d,{...e})}):d(e)}},8453:(e,n,t)=>{t.d(n,{R:()=>l,x:()=>o});var i=t(6540);const a={},s=i.createContext(a);function l(e){const n=i.useContext(s);return i.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function o(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(a):e.components||a:l(e.components),i.createElement(s.Provider,{value:n},e.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[5483],{5678:(e,n,t)=>{t.r(n),t.d(n,{assets:()=>c,contentTitle:()=>l,default:()=>h,frontMatter:()=>s,metadata:()=>o,toc:()=>r});var i=t(4848),a=t(8453);const s={title:"Release"},l=void 0,o={id:"releasing",title:"Release",description:"There are 2 main strategies for releasing oclif CLIs: npm and standalone tarballs. You can publish to one or both.",source:"@site/../docs/releasing.md",sourceDirName:".",slug:"/releasing",permalink:"/docs/releasing",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/releasing.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"Release"},sidebar:"docs",previous:{title:"JSON",permalink:"/docs/json"},next:{title:"Testing",permalink:"/docs/testing"}},c={},r=[{value:"npm",id:"npm",level:2},{value:"Standalone tarballs",id:"standalone-tarballs",level:2},{value:"Brew",id:"brew",level:2},{value:"Autoupdater",id:"autoupdater",level:2},{value:"Autoupdate Channels",id:"autoupdate-channels",level:2},{value:"Windows installer",id:"windows-installer",level:2},{value:"macOS installer",id:"macos-installer",level:2},{value:"Uploading to S3",id:"uploading-to-s3",level:3},{value:"Signing the installer",id:"signing-the-installer",level:3},{value:"Ubuntu/Debian packages",id:"ubuntudebian-packages",level:2},{value:"Snapcraft",id:"snapcraft",level:2}];function d(e){const n={a:"a",br:"br",code:"code",h2:"h2",h3:"h3",p:"p",pre:"pre",...(0,a.R)(),...e.components};return(0,i.jsxs)(i.Fragment,{children:[(0,i.jsx)(n.p,{children:"There are 2 main strategies for releasing oclif CLIs: npm and standalone tarballs. You can publish to one or both."}),"\n",(0,i.jsx)(n.h2,{id:"npm",children:"npm"}),"\n",(0,i.jsxs)(n.p,{children:["Just use ",(0,i.jsx)(n.code,{children:"npm publish"})," like any other npm project. This includes a ",(0,i.jsx)(n.code,{children:"run.cmd"})," script that will automatically be used for Windows users."]}),"\n",(0,i.jsx)(n.pre,{children:(0,i.jsx)(n.code,{className:"language-sh-session",children:"$ npm version (major|minor|patch) # bumps version, updates README, adds git tag\n$ npm publish\n$ npm install -g mynewcli\n$ mynewcli\n# OR\n$ npx mynewcli\n"})}),"\n",(0,i.jsxs)(n.p,{children:["You'll need to ",(0,i.jsx)(n.a,{href:"https://www.npmjs.com/signup",children:"register with npm"})," and have verified your email address in order to publish."]}),"\n",(0,i.jsxs)(n.p,{children:["This workflow can be improved slightly by running ",(0,i.jsx)(n.code,{children:"npm version major|minor|patch"})," before publishing which will create a git tag and bump the version automatically."]}),"\n",(0,i.jsx)(n.h2,{id:"standalone-tarballs",children:"Standalone tarballs"}),"\n",(0,i.jsxs)(n.p,{children:["Build standalone tarballs with ",(0,i.jsx)(n.code,{children:"oclif pack tarballs"})," from the root of your CLI. These include the node binary so the user does not have to already have node installed to use the CLI. It won't put this node binary on the PATH so the binary will not conflict with any node installation on the machine."]}),"\n",(0,i.jsxs)(n.p,{children:["To publish, you can copy the files from ",(0,i.jsx)(n.code,{children:"./dist"})," or use ",(0,i.jsx)(n.code,{children:"oclif upload tarballs"})," to copy the files to S3. You'll need to set ",(0,i.jsx)(n.code,{children:"oclif.update.s3.bucket"})," in ",(0,i.jsx)(n.code,{children:"package.json"})," to a valid S3 bucket and have credentials set in ",(0,i.jsx)(n.code,{children:"AWS_ACCESS_KEY_ID"})," and ",(0,i.jsx)(n.code,{children:"AWS_SECRET_ACCESS_KEY"})," environment vars."]}),"\n",(0,i.jsxs)(n.p,{children:["After you've uploaded the tarballs to S3, you can promote the tarballs to a release channel within S3 using ",(0,i.jsx)(n.code,{children:"oclif promote"}),". This allows you to quickly promote and demote a specific version between release channels. For example, the Salesforce CLI has separate ",(0,i.jsx)(n.code,{children:"stable"})," and ",(0,i.jsx)(n.code,{children:"stable-rc"})," channels that are updated weekly."]}),"\n",(0,i.jsx)(n.h2,{id:"brew",children:"Brew"}),"\n",(0,i.jsxs)(n.p,{children:["Your formula can be distributed through Brew. The main caveat is you must set the ",(0,i.jsx)(n.code,{children:"CLIENT_HOME"})," variable when you ship, otherwise it will break the update cycle. An example of this can be found in the ",(0,i.jsx)(n.a,{href:"https://github.com/heroku/homebrew-brew/blob/master/Formula/heroku.rb#L9",children:"heroku cli formula"}),". By exporting a variable of the form ",(0,i.jsx)(n.code,{children:"CLI_NAME_OCLIF_CLIENT_HOME"})," (where ",(0,i.jsx)(n.code,{children:"CLI_NAME"})," is the name of your CLI), you force the update mechanism to look at the brew install location instead of the default (which is ",(0,i.jsx)(n.code,{children:"$XDG_DATA_HOME/.local/share/package_name/client"}),")."]}),"\n",(0,i.jsx)(n.h2,{id:"autoupdater",children:"Autoupdater"}),"\n",(0,i.jsxs)(n.p,{children:["These tarballs as well as the installers below can be made autoupdatable by adding the ",(0,i.jsx)(n.code,{children:"@oclif/plugin-update"})," plugin. Just add this plugin and the CLI will autoupdate in the background or when ",(0,i.jsx)(n.code,{children:"mycli update"})," is run."]}),"\n",(0,i.jsxs)(n.p,{children:["If you don't want to use S3, you can still run ",(0,i.jsx)(n.code,{children:"oclif pack"})," and it will build tarballs. To get the updater to work, set ",(0,i.jsx)(n.code,{children:"oclif.update.s3.host"})," in ",(0,i.jsx)(n.code,{children:"package.json"})," to a host that has the files built in ",(0,i.jsx)(n.code,{children:"./dist"})," from ",(0,i.jsx)(n.code,{children:"oclif pack"}),". This host does not need to be an S3 host. To customize the URL paths, see the S3 templates in ",(0,i.jsx)(n.code,{children:"@oclif/core"}),"."]}),"\n",(0,i.jsx)(n.h2,{id:"autoupdate-channels",children:"Autoupdate Channels"}),"\n",(0,i.jsxs)(n.p,{children:["You can have separate channels for releases that work like Google Chrome Channels (such as beta, dev, canary). To create a channel, just change the version in ",(0,i.jsx)(n.code,{children:"package.json"})," from ",(0,i.jsx)(n.code,{children:"1.0.0"})," to ",(0,i.jsx)(n.code,{children:"1.0.0-beta"}),' (where "beta" is any string you like). Then when you pack with ',(0,i.jsx)(n.code,{children:"oclif pack"}),", it will create beta tarballs. The user can change their channel with ",(0,i.jsx)(n.code,{children:"mycli update beta"})," and will receive all the future releases on that channel."]}),"\n",(0,i.jsx)(n.p,{children:"In the Heroku CLI, we have it automatically build and release the beta channel on every commit to the master branch. Then we have it build and release stable channel whenever a git tag is created in our CI."}),"\n",(0,i.jsx)(n.h2,{id:"windows-installer",children:"Windows installer"}),"\n",(0,i.jsxs)(n.p,{children:["Build a windows installer with ",(0,i.jsx)(n.code,{children:"oclif pack win"}),". It will build into ",(0,i.jsx)(n.code,{children:"./dist/win"}),". This can be uploaded to S3 with ",(0,i.jsx)(n.code,{children:"oclif upload win"})," and promoted within S3 with ",(0,i.jsx)(n.code,{children:"oclif promote --win"}),"."]}),"\n",(0,i.jsx)(n.p,{children:"The installer uses 7zip and nsis. If you're in a mac or unix environment and don't have them, you can use homebrew to insall them."}),"\n",(0,i.jsx)(n.pre,{children:(0,i.jsx)(n.code,{className:"language-sh",children:"brew install nsis\nbrew install p7zip\n"})}),"\n",(0,i.jsx)(n.h2,{id:"macos-installer",children:"macOS installer"}),"\n",(0,i.jsxs)(n.p,{children:["Build a macOS .pkg installer with ",(0,i.jsx)(n.code,{children:"oclif pack macos"}),". It will build into ",(0,i.jsx)(n.code,{children:"./dist/macos"}),". This can be uploaded to S3 with ",(0,i.jsx)(n.code,{children:"oclif upload macos"})," and promoted within S3 with ",(0,i.jsx)(n.code,{children:"oclif promote --macos"}),". You need to set the macOS identifier at ",(0,i.jsx)(n.code,{children:"oclif.macos.identifier"})," in ",(0,i.jsx)(n.code,{children:"package.json"}),' (we use "com.heroku.cli" and "com.salesforce.cli" as the identifiers for the Heroku CLI and the Salesforce CLI, respectively).']}),"\n",(0,i.jsx)(n.h3,{id:"uploading-to-s3",children:"Uploading to S3"}),"\n",(0,i.jsxs)(n.p,{children:["The upload command defaults to using the ACL setting ",(0,i.jsx)(n.code,{children:"public-read"})," unless another policy is specified under ",(0,i.jsx)(n.code,{children:"oclif.update.s3.acl"})," in ",(0,i.jsx)(n.code,{children:"package.json"}),". However, when creating new S3 buckets, AWS's default recommendation can result in an access error (Code: AccessControlListNotSupported) when trying to upload with the ",(0,i.jsx)(n.code,{children:"public-read"})," setting."]}),"\n",(0,i.jsx)(n.p,{children:"To address this, consider updating the oclif section of your package.json with the desired ACL setting. The example below demonstrates how to set the acl to bucket-owner-full-control:"}),"\n",(0,i.jsx)(n.pre,{children:(0,i.jsx)(n.code,{children:'"oclif": {\n "bin": "myOclifApp",\n "dirname": "myOclifApp-cli-data",\n "update": {\n "s3": {\n "host": "https://s3.console.aws.amazon.com/",\n "bucket": "myOclifApp-cli",\n "acl": "bucket-owner-full-control"\n }\n },\n "macos": {\n "identifier": "com.myOclifApp.cli"\n },\n\n...\n\n}\n'})}),"\n",(0,i.jsxs)(n.p,{children:["Amazon has a userguide ",(0,i.jsx)(n.a,{href:"https://docs.aws.amazon.com/AmazonS3/latest/userguide/ensure-object-ownership.html#ensure-object-ownership-bucket-policy",children:"here"})," for help how to configure Bucket Policy settings."]}),"\n",(0,i.jsx)(n.h3,{id:"signing-the-installer",children:"Signing the installer"}),"\n",(0,i.jsxs)(n.p,{children:['To be able to sign an "installer signing identity" has to be available on the build machine (read more on certificates ',(0,i.jsx)(n.a,{href:"https://developer.apple.com/help/account/create-certificates/certificates-overview",children:"here"}),").",(0,i.jsx)(n.br,{}),"\n","Make sure such a certificate is created in developer.apple.com and that the certificate is downloaded and installed in the KeyChain of the build machine.",(0,i.jsx)(n.br,{}),"\n","The certificate name has to be specified in the ",(0,i.jsx)(n.code,{children:"oclif.macos.sign"})," in ",(0,i.jsx)(n.code,{children:"package.json"}),"."]}),"\n",(0,i.jsx)(n.p,{children:"Example:"}),"\n",(0,i.jsx)(n.pre,{children:(0,i.jsx)(n.code,{children:' "macos": {\n "identifier": "com.myOclifApp",\n "sign": "\\"3rd Party Mac Developer Installer: myOclifCompany (R2315646)\\""\n },\n'})}),"\n",(0,i.jsxs)(n.p,{children:["Pay attention to the escaped quotation marks, the certificate name is passed on as an argument to the ",(0,i.jsx)(n.code,{children:"pkgbuild"})," command so without quotation marks it might break.",(0,i.jsx)(n.br,{}),"\n",'For the Heroku CLI the certificate name is "Developer ID Installer: Heroku INC". And optionally set the keychain with ',(0,i.jsx)(n.code,{children:"OSX_KEYCHAIN"}),"."]}),"\n",(0,i.jsx)(n.p,{children:"Installed certificates on the build machine can be viewed in the Keychain Access app."}),"\n",(0,i.jsx)(n.h2,{id:"ubuntudebian-packages",children:"Ubuntu/Debian packages"}),"\n",(0,i.jsxs)(n.p,{children:["Build a deb package with ",(0,i.jsx)(n.code,{children:"oclif pack deb"}),". Set the ",(0,i.jsx)(n.code,{children:"MYCLI_DEB_KEY"})," to a gpg key id to create the gpg files. This will include all the files needed for an apt repository in ",(0,i.jsx)(n.code,{children:"./dist/deb"}),". They can be uploaded to S3 with ",(0,i.jsx)(n.code,{children:"oclif upload deb"})," and promoted within S3 using ",(0,i.jsx)(n.code,{children:"oclif promote --deb"}),"."]}),"\n",(0,i.jsx)(n.p,{children:"Once it's published to S3, users can install with the following:"}),"\n",(0,i.jsx)(n.pre,{children:(0,i.jsx)(n.code,{className:"language-sh-session",children:'$ wget -qO- https://mys3bucket.s3.amazonaws.com/apt/release.key | apt-key add - # you will need to upload this file manually\n$ sudo echo "deb https://mys3bucket.s3.amazonaws.com/apt ./" > /etc/apt/sources.list.d/mycli.list\n$ sudo apt update\n$ sudo apt install -y mycli\n'})}),"\n",(0,i.jsxs)(n.p,{children:["This can be placed in a ",(0,i.jsx)(n.a,{href:"https://cli-assets.heroku.com/install-ubuntu.sh",children:"script"})," for users to install with ",(0,i.jsx)(n.code,{children:"curl https://pathto/myscript | sh"}),"."]}),"\n",(0,i.jsx)(n.p,{children:"These will not autoupdate as Ubuntu already has a reliable way for users to update their package."}),"\n",(0,i.jsx)(n.h2,{id:"snapcraft",children:"Snapcraft"}),"\n",(0,i.jsxs)(n.p,{children:["Snap is a great way to distribute Linux CLIs and comes built into Ubuntu 16+. 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One way to implement this is to read a ",(0,i.jsx)(e.code,{children:"config.json"})," file from the CLI's config directory:"]}),"\n",(0,i.jsx)(e.pre,{children:(0,i.jsx)(e.code,{className:"language-typescript",children:"import {Command} from '@oclif/core'\nimport * as fs from 'fs-extra'\nimport * as path from 'path'\n\nexport class extends Command {\n async run() {\n const userConfig = await fs.readJSON(path.join(this.config.configDir, 'config.json'))\n\n this.log('User config:')\n console.dir(userConfig)\n }\n}\n"})}),"\n",(0,i.jsxs)(e.p,{children:["To share this logic between different commands, use a ",(0,i.jsx)(e.a,{href:"/docs/base_class",children:"base class"}),"."]})]})}function h(n={}){const{wrapper:e}={...(0,r.R)(),...n.components};return e?(0,i.jsx)(e,{...n,children:(0,i.jsx)(a,{...n})}):a(n)}},8453:(n,e,s)=>{s.d(e,{R:()=>c,x:()=>t});var i=s(6540);const r={},o=i.createContext(r);function c(n){const e=i.useContext(o);return i.useMemo((function(){return"function"==typeof n?n(e):{...e,...n}}),[e,n])}function t(n){let e;return e=n.disableParentContext?"function"==typeof n.components?n.components(r):n.components||r:c(n.components),i.createElement(o.Provider,{value:e},n.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[9409],{7840:(n,e,s)=>{s.r(e),s.d(e,{assets:()=>l,contentTitle:()=>c,default:()=>h,frontMatter:()=>o,metadata:()=>t,toc:()=>d});var i=s(4848),r=s(8453);const o={title:"Configuration"},c=void 0,t={id:"config",title:"Configuration",description:"Inside a command, this.config provides useful properties you can use in your command. Here are a list of its methods and properties:",source:"@site/../docs/config.md",sourceDirName:".",slug:"/config",permalink:"/docs/config",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/config.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"Configuration"},sidebar:"docs",previous:{title:"Command Flags",permalink:"/docs/flags"},next:{title:"Topics",permalink:"/docs/topics"}},l={},d=[{value:"Custom User Configuration",id:"custom-user-configuration",level:2}];function a(n){const e={a:"a",code:"code",h2:"h2",li:"li",p:"p",pre:"pre",strong:"strong",ul:"ul",...(0,r.R)(),...n.components};return(0,i.jsxs)(i.Fragment,{children:[(0,i.jsxs)(e.p,{children:["Inside a command, ",(0,i.jsx)(e.code,{children:"this.config"})," provides useful properties you can use in your command. 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See ",(0,i.jsx)(e.a,{href:"https://oclif.io/docs/aliases",children:"Bin Aliases"})," for more information."]}),"\n",(0,i.jsxs)(e.li,{children:[(0,i.jsx)(e.strong,{children:"nsisCustomization"})," - A path to a .nsis file that's used to customize the installer for Windows. 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One way to implement this is to read a ",(0,i.jsx)(e.code,{children:"config.json"})," file from the CLI's config directory:"]}),"\n",(0,i.jsx)(e.pre,{children:(0,i.jsx)(e.code,{className:"language-typescript",children:"import {Command} from '@oclif/core'\nimport * as fs from 'fs-extra'\nimport * as path from 'path'\n\nexport class extends Command {\n async run() {\n const userConfig = await fs.readJSON(path.join(this.config.configDir, 'config.json'))\n\n this.log('User config:')\n console.dir(userConfig)\n }\n}\n"})}),"\n",(0,i.jsxs)(e.p,{children:["To share this logic between different commands, use a ",(0,i.jsx)(e.a,{href:"/docs/base_class",children:"base class"}),"."]})]})}function h(n={}){const{wrapper:e}={...(0,r.R)(),...n.components};return e?(0,i.jsx)(e,{...n,children:(0,i.jsx)(a,{...n})}):a(n)}},8453:(n,e,s)=>{s.d(e,{R:()=>c,x:()=>t});var i=s(6540);const r={},o=i.createContext(r);function c(n){const e=i.useContext(o);return i.useMemo((function(){return"function"==typeof n?n(e):{...e,...n}}),[e,n])}function t(n){let e;return e=n.disableParentContext?"function"==typeof n.components?n.components(r):n.components||r:c(n.components),i.createElement(o.Provider,{value:e},n.children)}}}]); \ No newline at end of file diff --git a/assets/js/8705a681.a24a496a.js b/assets/js/8705a681.eedb41eb.js similarity index 98% rename from assets/js/8705a681.a24a496a.js rename to assets/js/8705a681.eedb41eb.js index 7b1e115c..51f3b322 100644 --- a/assets/js/8705a681.a24a496a.js +++ b/assets/js/8705a681.eedb41eb.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[125],{1766:(n,e,t)=>{t.r(e),t.d(e,{assets:()=>c,contentTitle:()=>o,default:()=>p,frontMatter:()=>i,metadata:()=>r,toc:()=>l});var a=t(4848),s=t(8453);const i={title:"Running Commands Programmatically"},o=void 0,r={id:"running_programmatically",title:"Running Commands Programmatically",description:"If you need to run a command from another, or programmatically run a command in another codebase, there are a couple options.",source:"@site/../docs/running_programmatically.md",sourceDirName:".",slug:"/running_programmatically",permalink:"/docs/running_programmatically",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/running_programmatically.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"Running Commands Programmatically"},sidebar:"docs",previous:{title:"Testing",permalink:"/docs/testing"},next:{title:"Just-in-Time Plugin Installation",permalink:"/docs/jit_plugins"}},c={},l=[{value:"Sharing code with modules",id:"sharing-code-with-modules",level:2},{value:"Calling commands directly",id:"calling-commands-directly",level:2}];function d(n){const e={a:"a",code:"code",em:"em",h2:"h2",p:"p",pre:"pre",strong:"strong",...(0,s.R)(),...n.components};return(0,a.jsxs)(a.Fragment,{children:[(0,a.jsx)(e.p,{children:"If you need to run a command from another, or programmatically run a command in another codebase, there are a couple options."}),"\n",(0,a.jsx)(e.p,{children:"First, it is generally a bad idea to run a command directly as the command exports a user interface, not a code interface. It's a design smell that should rarely (if ever) be used. Generally speaking, it's better to break up the code so that it can be called directly rather than as a command. We'll show this better method first."}),"\n",(0,a.jsx)(e.h2,{id:"sharing-code-with-modules",children:"Sharing code with modules"}),"\n",(0,a.jsxs)(e.p,{children:["For example, if we use ",(0,a.jsx)(e.code,{children:"sf config list"})," as an example, we could have a command that outputs the config vars of an app to the screen like this:"]}),"\n",(0,a.jsx)(e.p,{children:(0,a.jsx)(e.strong,{children:"./src/commands/config/list.ts"})}),"\n",(0,a.jsx)(e.pre,{children:(0,a.jsx)(e.code,{className:"language-typescript",children:"export class ConfigList extends Command {\n static flags = {\n app: Flags.string({required: true})\n }\n\n async run() {\n const {flags} = await this.parse(ConfigList)\n const config = await api.get(`/apps/${flags.app}/config-vars`)\n for (let [key, value] of Object.entries(config)) {\n this.log(`${key}=${value}`)\n }\n }\n}\n"})}),"\n",(0,a.jsxs)(e.p,{children:["If we had another command such as ",(0,a.jsx)(e.code,{children:"sf config update"})," that would do some logic then display the config variables using the same logic, we should create a new module that we could call directly:"]}),"\n",(0,a.jsx)(e.p,{children:(0,a.jsx)(e.strong,{children:"./src/commands/config/update.ts"})}),"\n",(0,a.jsx)(e.pre,{children:(0,a.jsx)(e.code,{className:"language-typescript",children:"import {displayConfigVars} from '../displayConfigVars'\n\nexport class ConfigUpdate extends Command {\n static flags = {\n app: Flags.string({required: true})\n }\n\n async run() {\n const {flags} = await this.parse(ConfigUpdate)\n await this.doUpdate(flags.app)\n await displayConfigVars(flags.app)\n }\n}\n"})}),"\n",(0,a.jsx)(e.p,{children:(0,a.jsx)(e.strong,{children:"./src/displayConfigVars.ts"})}),"\n",(0,a.jsx)(e.pre,{children:(0,a.jsx)(e.code,{className:"language-typescript",children:"export async function displayConfigVars(app: string) {\n const config = await api.get(`/apps/${app}config-vars`)\n for (let [key, value] of Object.entries(config)) {\n this.log(`${key}=${value}`)\n }\n}\n"})}),"\n",(0,a.jsx)(e.p,{children:"This is the recommended way to share code. This can be extended further by putting shared code into its own npm package."}),"\n",(0,a.jsx)(e.h2,{id:"calling-commands-directly",children:"Calling commands directly"}),"\n",(0,a.jsxs)(e.p,{children:["Still, if you ",(0,a.jsx)(e.em,{children:"really"})," want to call a command directly, it's easy to do. You have a couple of options."]}),"\n",(0,a.jsxs)(e.p,{children:["If you know that the command you want to run is installed in the CLI, you can use ",(0,a.jsx)(e.code,{children:"this.config.runCommand"}),". For this, we could write our ",(0,a.jsx)(e.code,{children:"sf config update"})," command like so:"]}),"\n",(0,a.jsx)(e.p,{children:(0,a.jsx)(e.strong,{children:"./src/commands/config/update.ts"})}),"\n",(0,a.jsx)(e.pre,{children:(0,a.jsx)(e.code,{className:"language-typescript",children:"export class ConfigUpdate extends Command {\n static flags = {\n app: Flags.string({required: true})\n }\n\n async run() {\n const {flags} = await this.parse(ConfigUpdate)\n await this.doUpdate(flags.app)\n await this.config.runCommand('config:list', ['--global'])\n }\n}\n"})}),"\n",(0,a.jsx)(e.p,{children:"Or you could import the command directly and execute it directly like so:"}),"\n",(0,a.jsx)(e.p,{children:(0,a.jsx)(e.strong,{children:"./src/commands/config/update.ts"})}),"\n",(0,a.jsx)(e.pre,{children:(0,a.jsx)(e.code,{className:"language-typescript",children:"import {ConfigList} from './config/list'\n\nexport class ConfigUpdate extends Command {\n static flags = {\n app: Flags.string({required: true})\n }\n\n async run() {\n const {flags} = await this.parse(ConfigUpdate)\n await this.doUpdate(flags.app)\n await ConfigList.run(['--global'])\n }\n}\n"})}),"\n",(0,a.jsxs)(e.p,{children:["This works because commands have a static ",(0,a.jsx)(e.code,{children:".run()"})," ",(0,a.jsx)(e.a,{href:"https://github.com/oclif/core/blob/main/src/command.ts",children:"method on them"})," that can be used to instantiate the command and run the instance ",(0,a.jsx)(e.code,{children:".run()"})," method. It takes in the argv as input to the command."]})]})}function p(n={}){const{wrapper:e}={...(0,s.R)(),...n.components};return e?(0,a.jsx)(e,{...n,children:(0,a.jsx)(d,{...n})}):d(n)}},8453:(n,e,t)=>{t.d(e,{R:()=>o,x:()=>r});var a=t(6540);const s={},i=a.createContext(s);function o(n){const e=a.useContext(i);return a.useMemo((function(){return"function"==typeof n?n(e):{...e,...n}}),[e,n])}function r(n){let e;return e=n.disableParentContext?"function"==typeof n.components?n.components(s):n.components||s:o(n.components),a.createElement(i.Provider,{value:e},n.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[125],{1766:(n,e,t)=>{t.r(e),t.d(e,{assets:()=>c,contentTitle:()=>o,default:()=>p,frontMatter:()=>i,metadata:()=>r,toc:()=>l});var a=t(4848),s=t(8453);const i={title:"Running Commands Programmatically"},o=void 0,r={id:"running_programmatically",title:"Running Commands Programmatically",description:"If you need to run a command from another, or programmatically run a command in another codebase, there are a couple options.",source:"@site/../docs/running_programmatically.md",sourceDirName:".",slug:"/running_programmatically",permalink:"/docs/running_programmatically",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/running_programmatically.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"Running Commands Programmatically"},sidebar:"docs",previous:{title:"Testing",permalink:"/docs/testing"},next:{title:"Just-in-Time Plugin Installation",permalink:"/docs/jit_plugins"}},c={},l=[{value:"Sharing code with modules",id:"sharing-code-with-modules",level:2},{value:"Calling commands directly",id:"calling-commands-directly",level:2}];function d(n){const e={a:"a",code:"code",em:"em",h2:"h2",p:"p",pre:"pre",strong:"strong",...(0,s.R)(),...n.components};return(0,a.jsxs)(a.Fragment,{children:[(0,a.jsx)(e.p,{children:"If you need to run a command from another, or programmatically run a command in another codebase, there are a couple options."}),"\n",(0,a.jsx)(e.p,{children:"First, it is generally a bad idea to run a command directly as the command exports a user interface, not a code interface. It's a design smell that should rarely (if ever) be used. Generally speaking, it's better to break up the code so that it can be called directly rather than as a command. We'll show this better method first."}),"\n",(0,a.jsx)(e.h2,{id:"sharing-code-with-modules",children:"Sharing code with modules"}),"\n",(0,a.jsxs)(e.p,{children:["For example, if we use ",(0,a.jsx)(e.code,{children:"sf config list"})," as an example, we could have a command that outputs the config vars of an app to the screen like this:"]}),"\n",(0,a.jsx)(e.p,{children:(0,a.jsx)(e.strong,{children:"./src/commands/config/list.ts"})}),"\n",(0,a.jsx)(e.pre,{children:(0,a.jsx)(e.code,{className:"language-typescript",children:"export class ConfigList extends Command {\n static flags = {\n app: Flags.string({required: true})\n }\n\n async run() {\n const {flags} = await this.parse(ConfigList)\n const config = await api.get(`/apps/${flags.app}/config-vars`)\n for (let [key, value] of Object.entries(config)) {\n this.log(`${key}=${value}`)\n }\n }\n}\n"})}),"\n",(0,a.jsxs)(e.p,{children:["If we had another command such as ",(0,a.jsx)(e.code,{children:"sf config update"})," that would do some logic then display the config variables using the same logic, we should create a new module that we could call directly:"]}),"\n",(0,a.jsx)(e.p,{children:(0,a.jsx)(e.strong,{children:"./src/commands/config/update.ts"})}),"\n",(0,a.jsx)(e.pre,{children:(0,a.jsx)(e.code,{className:"language-typescript",children:"import {displayConfigVars} from '../displayConfigVars'\n\nexport class ConfigUpdate extends Command {\n static flags = {\n app: Flags.string({required: true})\n }\n\n async run() {\n const {flags} = await this.parse(ConfigUpdate)\n await this.doUpdate(flags.app)\n await displayConfigVars(flags.app)\n }\n}\n"})}),"\n",(0,a.jsx)(e.p,{children:(0,a.jsx)(e.strong,{children:"./src/displayConfigVars.ts"})}),"\n",(0,a.jsx)(e.pre,{children:(0,a.jsx)(e.code,{className:"language-typescript",children:"export async function displayConfigVars(app: string) {\n const config = await api.get(`/apps/${app}config-vars`)\n for (let [key, value] of Object.entries(config)) {\n this.log(`${key}=${value}`)\n }\n}\n"})}),"\n",(0,a.jsx)(e.p,{children:"This is the recommended way to share code. This can be extended further by putting shared code into its own npm package."}),"\n",(0,a.jsx)(e.h2,{id:"calling-commands-directly",children:"Calling commands directly"}),"\n",(0,a.jsxs)(e.p,{children:["Still, if you ",(0,a.jsx)(e.em,{children:"really"})," want to call a command directly, it's easy to do. You have a couple of options."]}),"\n",(0,a.jsxs)(e.p,{children:["If you know that the command you want to run is installed in the CLI, you can use ",(0,a.jsx)(e.code,{children:"this.config.runCommand"}),". For this, we could write our ",(0,a.jsx)(e.code,{children:"sf config update"})," command like so:"]}),"\n",(0,a.jsx)(e.p,{children:(0,a.jsx)(e.strong,{children:"./src/commands/config/update.ts"})}),"\n",(0,a.jsx)(e.pre,{children:(0,a.jsx)(e.code,{className:"language-typescript",children:"export class ConfigUpdate extends Command {\n static flags = {\n app: Flags.string({required: true})\n }\n\n async run() {\n const {flags} = await this.parse(ConfigUpdate)\n await this.doUpdate(flags.app)\n await this.config.runCommand('config:list', ['--global'])\n }\n}\n"})}),"\n",(0,a.jsx)(e.p,{children:"Or you could import the command directly and execute it directly like so:"}),"\n",(0,a.jsx)(e.p,{children:(0,a.jsx)(e.strong,{children:"./src/commands/config/update.ts"})}),"\n",(0,a.jsx)(e.pre,{children:(0,a.jsx)(e.code,{className:"language-typescript",children:"import {ConfigList} from './config/list'\n\nexport class ConfigUpdate extends Command {\n static flags = {\n app: Flags.string({required: true})\n }\n\n async run() {\n const {flags} = await this.parse(ConfigUpdate)\n await this.doUpdate(flags.app)\n await ConfigList.run(['--global'])\n }\n}\n"})}),"\n",(0,a.jsxs)(e.p,{children:["This works because commands have a static ",(0,a.jsx)(e.code,{children:".run()"})," ",(0,a.jsx)(e.a,{href:"https://github.com/oclif/core/blob/main/src/command.ts",children:"method on them"})," that can be used to instantiate the command and run the instance ",(0,a.jsx)(e.code,{children:".run()"})," method. It takes in the argv as input to the command."]})]})}function p(n={}){const{wrapper:e}={...(0,s.R)(),...n.components};return e?(0,a.jsx)(e,{...n,children:(0,a.jsx)(d,{...n})}):d(n)}},8453:(n,e,t)=>{t.d(e,{R:()=>o,x:()=>r});var a=t(6540);const s={},i=a.createContext(s);function o(n){const e=a.useContext(i);return a.useMemo((function(){return"function"==typeof n?n(e):{...e,...n}}),[e,n])}function r(n){let e;return e=n.disableParentContext?"function"==typeof n.components?n.components(s):n.components||s:o(n.components),a.createElement(i.Provider,{value:e},n.children)}}}]); \ No newline at end of file diff --git a/assets/js/935116ff.7148886a.js b/assets/js/935116ff.dc866d9f.js similarity index 98% rename from assets/js/935116ff.7148886a.js rename to assets/js/935116ff.dc866d9f.js index 5b416ba5..23b9c762 100644 --- a/assets/js/935116ff.7148886a.js +++ b/assets/js/935116ff.dc866d9f.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[8212],{1687:(e,t,o)=>{o.r(t),o.d(t,{assets:()=>l,contentTitle:()=>r,default:()=>h,frontMatter:()=>s,metadata:()=>a,toc:()=>d});var i=o(4848),n=o(8453);const s={title:"FAQs"},r=void 0,a={id:"faqs",title:"FAQs",description:"Why Node?",source:"@site/../docs/faqs.md",sourceDirName:".",slug:"/faqs",permalink:"/docs/faqs",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/faqs.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"FAQs"},sidebar:"docs",previous:{title:"Features",permalink:"/docs/features"},next:{title:"Generator Commands",permalink:"/docs/generator_commands"}},l={},d=[{value:"Why Node?",id:"why-node",level:2},{value:"I want a single binary CLI like with Go",id:"i-want-a-single-binary-cli-like-with-go",level:2},{value:"Should I use TypeScript or JavaScript?",id:"should-i-use-typescript-or-javascript",level:2},{value:"What editor is best for oclif?",id:"what-editor-is-best-for-oclif",level:2},{value:"Should I use npm or yarn?",id:"should-i-use-npm-or-yarn",level:2},{value:"How can I make the oclif generator run faster?",id:"how-can-i-make-the-oclif-generator-run-faster",level:2},{value:"Why isn't Node X supported?",id:"why-isnt-node-x-supported",level:2},{value:"How do I pronounce "oclif"?",id:"how-do-i-pronounce-oclif",level:2}];function c(e){const t={a:"a",code:"code",h2:"h2",p:"p",...(0,n.R)(),...e.components};return(0,i.jsxs)(i.Fragment,{children:[(0,i.jsx)(t.h2,{id:"why-node",children:"Why Node?"}),"\n",(0,i.jsxs)(t.p,{children:["There are a number of reasons why Node is the best choice for writing CLI code. At Salesforce, we've released the heroku CLI in Ruby, Go, as well as Node. ",(0,i.jsx)(t.a,{href:"https://blog.heroku.com/evolution-of-heroku-cli-2008-2017",children:"This article gets more into detail on that history"}),", but we've certainly found that Node offers the best of everything."]}),"\n",(0,i.jsx)(t.p,{children:"First, JavaScript is the biggest language in the world. More people are able to write JavaScript than any other language and it by far has the biggest open source community. Everyone can write it and you'll find the most helpful libraries to help build your CLI."}),"\n",(0,i.jsx)(t.p,{children:"We've found that Node has the best cross platform support of any language we've used. In general, if you write code on macOS, you won't find many issues making it also run on Windows."}),"\n",(0,i.jsxs)(t.p,{children:["Node has the best support for our ",(0,i.jsx)(t.a,{href:"/docs/plugins",children:"plugins"})," model. Plugins are a way to share code between CLIs, to modularize a CLIs codebase, or allow users to add functionality to an existing CLI. With Node, we're able to have separate dependency versions sitting alongside one another. This means if you want to release an update to a dependency in one plugin, it won't affect how another plugin works. oclif takes this to an extreme and even flag parsing is done at the individual plugin level. If we ever want to make a breaking change to flag parsing (we certainly don't intend to, but this is just an example), you can update just one plugin and keep the old behavior in other plugins. This is very helpful for large CLI codebases where you want to migrate to new code slowly."]}),"\n",(0,i.jsx)(t.h2,{id:"i-want-a-single-binary-cli-like-with-go",children:"I want a single binary CLI like with Go"}),"\n",(0,i.jsxs)(t.p,{children:["Use ",(0,i.jsx)(t.a,{href:"https://github.com/zeit/pkg",children:"pkg"}),". Just make sure to add the commands and other source files by setting ",(0,i.jsx)(t.code,{children:'pkg.scripts: "./lib/**/*.js"'})," in ",(0,i.jsx)(t.code,{children:"package.json"}),"."]}),"\n",(0,i.jsxs)(t.p,{children:["In the Salesforce CLI, however, we prefer to ship a tarball (and various installers) that has Node baked in. Use ",(0,i.jsx)(t.code,{children:"oclif pack"})," to create a set of tarballs for different platforms with Node built in. You'll likely need to use ",(0,i.jsx)(t.a,{href:"https://github.com/oclif/plugin-update",children:"@oclif/plugin-update"})," with this, otherwise the users won't have a way to update the CLI from the tarball without reinstalling it."]}),"\n",(0,i.jsx)(t.h2,{id:"should-i-use-typescript-or-javascript",children:"Should I use TypeScript or JavaScript?"}),"\n",(0,i.jsx)(t.p,{children:"We suggest TypeScript as we find the typing to really help when refactoring code and updating dependencies. It's nicer to get compilation errors rather than finding errors in production."}),"\n",(0,i.jsxs)(t.p,{children:["We've put a lot of care into making it easy to make a TypeScript CLI even if you've never written TypeScript before. We generate CLIs and plugins that use ",(0,i.jsx)(t.a,{href:"https://github.com/TypeStrong/ts-node",children:"ts-node"})," to make it fast to run the TypeScript code without a compilation step. You won't have to mess around with build configuration using oclif."]}),"\n",(0,i.jsx)(t.p,{children:"Still, the languages today are very similar. The code you write in JavaScript will be nearly identical to what you would have in TypeScript. (Just no type definitions, of course)"}),"\n",(0,i.jsx)(t.h2,{id:"what-editor-is-best-for-oclif",children:"What editor is best for oclif?"}),"\n",(0,i.jsxs)(t.p,{children:["Of course if you already have a go-to editor, you should use that. However, we typically recommend ",(0,i.jsx)(t.a,{href:"https://code.visualstudio.com",children:"vscode"}),"."]}),"\n",(0,i.jsx)(t.p,{children:"Microsoft has done a great job with this editor and it works particularly well in TypeScript projects. You'll get nice type checking, linting, and autocomplete right out of the box."}),"\n",(0,i.jsx)(t.h2,{id:"should-i-use-npm-or-yarn",children:"Should I use npm or yarn?"}),"\n",(0,i.jsx)(t.p,{children:"It really doesn't make that much of a difference. If you're just getting started, keep it simple and use npm which comes with Node. We like to use yarn internally as it's a bit faster and we find the lockfiles friendlier."}),"\n",(0,i.jsx)(t.h2,{id:"how-can-i-make-the-oclif-generator-run-faster",children:"How can I make the oclif generator run faster?"}),"\n",(0,i.jsxs)(t.p,{children:["If you're using npx, install it first with ",(0,i.jsx)(t.code,{children:"npm install -g oclif"}),". This won't stay current with updates though, so you'll need to run ",(0,i.jsx)(t.code,{children:"npm update -g oclif"})," to get new versions of the generator."]}),"\n",(0,i.jsx)(t.h2,{id:"why-isnt-node-x-supported",children:"Why isn't Node X supported?"}),"\n",(0,i.jsxs)(t.p,{children:["The oclif project follows and supports ",(0,i.jsx)(t.a,{href:"https://nodejs.org/en/about/releases/",children:"Node's LTS support schedule"}),". This allows oclif to stay current with Node's development."]}),"\n",(0,i.jsx)(t.h2,{id:"how-do-i-pronounce-oclif",children:'How do I pronounce "oclif"?'}),"\n",(0,i.jsx)(t.p,{children:'We say "oh-cliff".'})]})}function h(e={}){const{wrapper:t}={...(0,n.R)(),...e.components};return t?(0,i.jsx)(t,{...e,children:(0,i.jsx)(c,{...e})}):c(e)}},8453:(e,t,o)=>{o.d(t,{R:()=>r,x:()=>a});var i=o(6540);const n={},s=i.createContext(n);function r(e){const t=i.useContext(s);return i.useMemo((function(){return"function"==typeof e?e(t):{...t,...e}}),[t,e])}function a(e){let t;return t=e.disableParentContext?"function"==typeof e.components?e.components(n):e.components||n:r(e.components),i.createElement(s.Provider,{value:t},e.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[8212],{1687:(e,t,o)=>{o.r(t),o.d(t,{assets:()=>l,contentTitle:()=>r,default:()=>h,frontMatter:()=>s,metadata:()=>a,toc:()=>d});var i=o(4848),n=o(8453);const s={title:"FAQs"},r=void 0,a={id:"faqs",title:"FAQs",description:"Why Node?",source:"@site/../docs/faqs.md",sourceDirName:".",slug:"/faqs",permalink:"/docs/faqs",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/faqs.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"FAQs"},sidebar:"docs",previous:{title:"Features",permalink:"/docs/features"},next:{title:"Generator Commands",permalink:"/docs/generator_commands"}},l={},d=[{value:"Why Node?",id:"why-node",level:2},{value:"I want a single binary CLI like with Go",id:"i-want-a-single-binary-cli-like-with-go",level:2},{value:"Should I use TypeScript or JavaScript?",id:"should-i-use-typescript-or-javascript",level:2},{value:"What editor is best for oclif?",id:"what-editor-is-best-for-oclif",level:2},{value:"Should I use npm or yarn?",id:"should-i-use-npm-or-yarn",level:2},{value:"How can I make the oclif generator run faster?",id:"how-can-i-make-the-oclif-generator-run-faster",level:2},{value:"Why isn't Node X supported?",id:"why-isnt-node-x-supported",level:2},{value:"How do I pronounce "oclif"?",id:"how-do-i-pronounce-oclif",level:2}];function c(e){const t={a:"a",code:"code",h2:"h2",p:"p",...(0,n.R)(),...e.components};return(0,i.jsxs)(i.Fragment,{children:[(0,i.jsx)(t.h2,{id:"why-node",children:"Why Node?"}),"\n",(0,i.jsxs)(t.p,{children:["There are a number of reasons why Node is the best choice for writing CLI code. At Salesforce, we've released the heroku CLI in Ruby, Go, as well as Node. ",(0,i.jsx)(t.a,{href:"https://blog.heroku.com/evolution-of-heroku-cli-2008-2017",children:"This article gets more into detail on that history"}),", but we've certainly found that Node offers the best of everything."]}),"\n",(0,i.jsx)(t.p,{children:"First, JavaScript is the biggest language in the world. More people are able to write JavaScript than any other language and it by far has the biggest open source community. Everyone can write it and you'll find the most helpful libraries to help build your CLI."}),"\n",(0,i.jsx)(t.p,{children:"We've found that Node has the best cross platform support of any language we've used. In general, if you write code on macOS, you won't find many issues making it also run on Windows."}),"\n",(0,i.jsxs)(t.p,{children:["Node has the best support for our ",(0,i.jsx)(t.a,{href:"/docs/plugins",children:"plugins"})," model. Plugins are a way to share code between CLIs, to modularize a CLIs codebase, or allow users to add functionality to an existing CLI. With Node, we're able to have separate dependency versions sitting alongside one another. This means if you want to release an update to a dependency in one plugin, it won't affect how another plugin works. oclif takes this to an extreme and even flag parsing is done at the individual plugin level. If we ever want to make a breaking change to flag parsing (we certainly don't intend to, but this is just an example), you can update just one plugin and keep the old behavior in other plugins. This is very helpful for large CLI codebases where you want to migrate to new code slowly."]}),"\n",(0,i.jsx)(t.h2,{id:"i-want-a-single-binary-cli-like-with-go",children:"I want a single binary CLI like with Go"}),"\n",(0,i.jsxs)(t.p,{children:["Use ",(0,i.jsx)(t.a,{href:"https://github.com/zeit/pkg",children:"pkg"}),". Just make sure to add the commands and other source files by setting ",(0,i.jsx)(t.code,{children:'pkg.scripts: "./lib/**/*.js"'})," in ",(0,i.jsx)(t.code,{children:"package.json"}),"."]}),"\n",(0,i.jsxs)(t.p,{children:["In the Salesforce CLI, however, we prefer to ship a tarball (and various installers) that has Node baked in. Use ",(0,i.jsx)(t.code,{children:"oclif pack"})," to create a set of tarballs for different platforms with Node built in. You'll likely need to use ",(0,i.jsx)(t.a,{href:"https://github.com/oclif/plugin-update",children:"@oclif/plugin-update"})," with this, otherwise the users won't have a way to update the CLI from the tarball without reinstalling it."]}),"\n",(0,i.jsx)(t.h2,{id:"should-i-use-typescript-or-javascript",children:"Should I use TypeScript or JavaScript?"}),"\n",(0,i.jsx)(t.p,{children:"We suggest TypeScript as we find the typing to really help when refactoring code and updating dependencies. It's nicer to get compilation errors rather than finding errors in production."}),"\n",(0,i.jsxs)(t.p,{children:["We've put a lot of care into making it easy to make a TypeScript CLI even if you've never written TypeScript before. We generate CLIs and plugins that use ",(0,i.jsx)(t.a,{href:"https://github.com/TypeStrong/ts-node",children:"ts-node"})," to make it fast to run the TypeScript code without a compilation step. You won't have to mess around with build configuration using oclif."]}),"\n",(0,i.jsx)(t.p,{children:"Still, the languages today are very similar. The code you write in JavaScript will be nearly identical to what you would have in TypeScript. (Just no type definitions, of course)"}),"\n",(0,i.jsx)(t.h2,{id:"what-editor-is-best-for-oclif",children:"What editor is best for oclif?"}),"\n",(0,i.jsxs)(t.p,{children:["Of course if you already have a go-to editor, you should use that. However, we typically recommend ",(0,i.jsx)(t.a,{href:"https://code.visualstudio.com",children:"vscode"}),"."]}),"\n",(0,i.jsx)(t.p,{children:"Microsoft has done a great job with this editor and it works particularly well in TypeScript projects. You'll get nice type checking, linting, and autocomplete right out of the box."}),"\n",(0,i.jsx)(t.h2,{id:"should-i-use-npm-or-yarn",children:"Should I use npm or yarn?"}),"\n",(0,i.jsx)(t.p,{children:"It really doesn't make that much of a difference. If you're just getting started, keep it simple and use npm which comes with Node. We like to use yarn internally as it's a bit faster and we find the lockfiles friendlier."}),"\n",(0,i.jsx)(t.h2,{id:"how-can-i-make-the-oclif-generator-run-faster",children:"How can I make the oclif generator run faster?"}),"\n",(0,i.jsxs)(t.p,{children:["If you're using npx, install it first with ",(0,i.jsx)(t.code,{children:"npm install -g oclif"}),". This won't stay current with updates though, so you'll need to run ",(0,i.jsx)(t.code,{children:"npm update -g oclif"})," to get new versions of the generator."]}),"\n",(0,i.jsx)(t.h2,{id:"why-isnt-node-x-supported",children:"Why isn't Node X supported?"}),"\n",(0,i.jsxs)(t.p,{children:["The oclif project follows and supports ",(0,i.jsx)(t.a,{href:"https://nodejs.org/en/about/releases/",children:"Node's LTS support schedule"}),". 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For instance maybe you'd like to log colorized ",(0,t.jsx)(n.code,{children:"info:"})," logs to the user during a command:"]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"import {Command, ux} from '@oclif/core'\n\nexport default class Hello extends Command {\n public async run(): Promise {\n this.info('starting process!')\n // do some stuff...\n this.info('still making progress!')\n // do some more stuff...\n this.info('process complete!')\n }\n\n public info(msg: string): void {\n this.log(ux.colorize(this.config.theme?.info, 'info:'), msg)\n }\n}\n"})})]})}function a(e={}){const{wrapper:n}={...(0,i.R)(),...e.components};return n?(0,t.jsx)(n,{...e,children:(0,t.jsx)(h,{...e})}):h(e)}},8453:(e,n,s)=>{s.d(n,{R:()=>l,x:()=>r});var t=s(6540);const i={},o=t.createContext(i);function l(e){const n=t.useContext(o);return t.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function r(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(i):e.components||i:l(e.components),t.createElement(o.Provider,{value:n},e.children)}}}]); \ No newline at end of file diff --git a/assets/js/c81fd975.0551bf12.js b/assets/js/c81fd975.02a85bfa.js similarity index 99% rename from assets/js/c81fd975.0551bf12.js rename to assets/js/c81fd975.02a85bfa.js index d04afc2f..833a3238 100644 --- a/assets/js/c81fd975.0551bf12.js +++ b/assets/js/c81fd975.02a85bfa.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[218],{4240:(e,t,n)=>{n.r(t),n.d(t,{assets:()=>c,contentTitle:()=>r,default:()=>l,frontMatter:()=>i,metadata:()=>a,toc:()=>h});var o=n(4848),s=n(8453);const i={title:"Testing"},r=void 0,a={id:"testing",title:"Testing",description:"Testing in oclif can be done with any testing framework. You can run commands with MyCommand.run() which returns a promise you can wait on.",source:"@site/../docs/testing.md",sourceDirName:".",slug:"/testing",permalink:"/docs/testing",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/testing.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"Testing"},sidebar:"docs",previous:{title:"Release",permalink:"/docs/releasing"},next:{title:"Running Commands Programmatically",permalink:"/docs/running_programmatically"}},c={},h=[{value:"stdout/stderr",id:"stdoutstderr",level:2},{value:"Code Coverage",id:"code-coverage",level:2}];function d(e){const t={a:"a",code:"code",h2:"h2",p:"p",pre:"pre",strong:"strong",...(0,s.R)(),...e.components};return(0,o.jsxs)(o.Fragment,{children:[(0,o.jsxs)(t.p,{children:["Testing in oclif can be done with any testing framework. You can run commands with ",(0,o.jsx)(t.code,{children:"MyCommand.run()"})," which returns a promise you can wait on."]}),"\n",(0,o.jsxs)(t.p,{children:["There are common tasks however when writing CLI tools. For this, we have a conventional set of tools that we suggest using to test your CLI. These are based on ",(0,o.jsx)(t.a,{href:"https://mochajs.org",children:"mocha"})," and ",(0,o.jsx)(t.a,{href:"https://github.com/jdxcode/fancy-test",children:"fancy-test"}),"."]}),"\n",(0,o.jsxs)(t.p,{children:["Mocha is the top JavaScript testing framework and a solid choice for any project. fancy-test is a tool we developed that builds on top of mocha to make it easy to repeat patterns and write concise mocha tests. There is also a library ",(0,o.jsx)(t.a,{href:"https://github.com/oclif/test",children:"@oclif/test"})," that extends fancy-test with helpers specific to testing oclif CLIs. These are things like running a command or hook or checking if an exit status code is set, for example."]}),"\n",(0,o.jsxs)(t.p,{children:["Any CLI built with oclif will come preloaded with these tools and an example test that should work out of the box with ",(0,o.jsx)(t.code,{children:"npm test"})," or ",(0,o.jsx)(t.code,{children:"yarn test"}),"."]}),"\n",(0,o.jsxs)(t.p,{children:["As an example, let's look at the ",(0,o.jsx)(t.code,{children:"heroku whoami"})," command which makes an API call to get the current logged in user. If the user is not logged in, it exits with status 100. (This is a simplified example, here is ",(0,o.jsx)(t.a,{href:"https://github.com/heroku/heroku-cli-plugin-auth",children:"the actual code"}),".)"]}),"\n",(0,o.jsx)(t.p,{children:(0,o.jsx)(t.strong,{children:"src/commands/whoami.ts"})}),"\n",(0,o.jsx)(t.pre,{children:(0,o.jsx)(t.code,{className:"language-js",children:"import Command from '@heroku-cli/command'\n\nexport class Whoami extends Command {\n async run() {\n try {\n let {body: account} = await this.heroku.get('/account')\n this.log(account.email)\n } catch (err) {\n if (err.statusCode === 401) {\n this.error('not logged in', {exit: 100})\n }\n throw err\n }\n }\n}\n"})}),"\n",(0,o.jsxs)(t.p,{children:["Another common tool we like to use in testing oclif CLIs is ",(0,o.jsx)(t.a,{href:"https://github.com/node-nock/nock",children:"nock"}),". Install the ",(0,o.jsx)(t.code,{children:"nock"})," package as a devDependency."]}),"\n",(0,o.jsx)(t.p,{children:"Here is the test code"}),"\n",(0,o.jsx)(t.p,{children:(0,o.jsx)(t.strong,{children:"test/commands/whoami.test.ts"})}),"\n",(0,o.jsx)(t.pre,{children:(0,o.jsx)(t.code,{className:"language-typescript",children:"import {expect, test} from '@oclif/test'\n\ndescribe('auth:whoami', () => {\n test\n .nock('https://api.heroku.com', api => api\n .get('/account')\n // user is logged in, return their name\n .reply(200, {email: 'jeff@example.com'})\n )\n .stdout()\n .command(['auth:whoami'])\n .it('shows user email when logged in', ctx => {\n expect(ctx.stdout).to.equal('jeff@example.com\\n')\n })\n\n test\n .nock('https://api.heroku.com', api => api\n .get('/account')\n // HTTP 401 means the user is not logged in with valid credentials\n .reply(401)\n )\n .command(['auth:whoami'])\n // checks to ensure the command exits with status 100\n .exit(100)\n .it('exits with status 100 when not logged in')\n})\n"})}),"\n",(0,o.jsxs)(t.p,{children:["These tools are setup to not only mock out the stdout/stderr and HTTP calls, but they're setup to ensure they automatically reset after the test. A common issue we've had when building CLIs with simpler ",(0,o.jsx)(t.code,{children:"beforeEach/afterEach"})," filters is that if the ",(0,o.jsx)(t.code,{children:"afterEach"})," filters aren't setup correctly, a failing test can leave mocks around that make later tests fail. Using fancy-test, we avoid this problem and only have to declare our mocks once."]}),"\n",(0,o.jsxs)(t.p,{children:["For more on how to test with oclif, check out the docs for ",(0,o.jsx)(t.a,{href:"https://github.com/jdxcode/fancy-test",children:"fancy-test"})," and ",(0,o.jsx)(t.a,{href:"https://github.com/oclif/test",children:"@oclif/test"}),"."]}),"\n",(0,o.jsx)(t.h2,{id:"stdoutstderr",children:"stdout/stderr"}),"\n",(0,o.jsxs)(t.p,{children:["The stdout/stderr mocks use ",(0,o.jsx)(t.a,{href:"https://github.com/jdxcode/stdout-stderr",children:"stdout-stderr"})," under the hood. This library can be used standalone if you'd prefer to use jest or want a different testing setup but still have the ability to mock out stdout and stderr."]}),"\n",(0,o.jsxs)(t.p,{children:["If you want to see the output but leave it mocked, you can either pass in ",(0,o.jsx)(t.code,{children:"{print: true}"})," to the options, or set ",(0,o.jsx)(t.code,{children:"TEST_OUTPUT=1"}),"."]}),"\n",(0,o.jsx)(t.h2,{id:"code-coverage",children:"Code Coverage"}),"\n",(0,o.jsxs)(t.p,{children:["Code coverage is provided automatically for JavaScript and TypeScript projects via ",(0,o.jsx)(t.a,{href:"https://npm.im/nyc",children:"nyc"}),". Just run ",(0,o.jsx)(t.code,{children:"yarn test"})," and it will show the code coverage. 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You can run commands with ",(0,o.jsx)(t.code,{children:"MyCommand.run()"})," which returns a promise you can wait on."]}),"\n",(0,o.jsxs)(t.p,{children:["There are common tasks however when writing CLI tools. For this, we have a conventional set of tools that we suggest using to test your CLI. These are based on ",(0,o.jsx)(t.a,{href:"https://mochajs.org",children:"mocha"})," and ",(0,o.jsx)(t.a,{href:"https://github.com/jdxcode/fancy-test",children:"fancy-test"}),"."]}),"\n",(0,o.jsxs)(t.p,{children:["Mocha is the top JavaScript testing framework and a solid choice for any project. fancy-test is a tool we developed that builds on top of mocha to make it easy to repeat patterns and write concise mocha tests. There is also a library ",(0,o.jsx)(t.a,{href:"https://github.com/oclif/test",children:"@oclif/test"})," that extends fancy-test with helpers specific to testing oclif CLIs. These are things like running a command or hook or checking if an exit status code is set, for example."]}),"\n",(0,o.jsxs)(t.p,{children:["Any CLI built with oclif will come preloaded with these tools and an example test that should work out of the box with ",(0,o.jsx)(t.code,{children:"npm test"})," or ",(0,o.jsx)(t.code,{children:"yarn test"}),"."]}),"\n",(0,o.jsxs)(t.p,{children:["As an example, let's look at the ",(0,o.jsx)(t.code,{children:"heroku whoami"})," command which makes an API call to get the current logged in user. If the user is not logged in, it exits with status 100. 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Install the ",(0,o.jsx)(t.code,{children:"nock"})," package as a devDependency."]}),"\n",(0,o.jsx)(t.p,{children:"Here is the test code"}),"\n",(0,o.jsx)(t.p,{children:(0,o.jsx)(t.strong,{children:"test/commands/whoami.test.ts"})}),"\n",(0,o.jsx)(t.pre,{children:(0,o.jsx)(t.code,{className:"language-typescript",children:"import {expect, test} from '@oclif/test'\n\ndescribe('auth:whoami', () => {\n test\n .nock('https://api.heroku.com', api => api\n .get('/account')\n // user is logged in, return their name\n .reply(200, {email: 'jeff@example.com'})\n )\n .stdout()\n .command(['auth:whoami'])\n .it('shows user email when logged in', ctx => {\n expect(ctx.stdout).to.equal('jeff@example.com\\n')\n })\n\n test\n .nock('https://api.heroku.com', api => api\n .get('/account')\n // HTTP 401 means the user is not logged in with valid credentials\n .reply(401)\n )\n .command(['auth:whoami'])\n // checks to ensure the command exits with status 100\n .exit(100)\n .it('exits with status 100 when not logged in')\n})\n"})}),"\n",(0,o.jsxs)(t.p,{children:["These tools are setup to not only mock out the stdout/stderr and HTTP calls, but they're setup to ensure they automatically reset after the test. 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Uses ",(0,l.jsx)(i.a,{href:"https://github.com/sindresorhus/conf",children:"sindresorhus/conf"}),"."]}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://www.npmjs.com/package/oclif-dynamic-commands",children:"dynamic-commands"})," - Load commands dynamically based on commands found under the current working directory."]}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/oclif/oclif.github.io/blob/docs/docs/plugins.md",children:"Add yours here"}),"!"]}),"\n"]}),"\n",(0,l.jsx)(i.h2,{id:"building-your-own-plugin",children:"Building your own plugin"}),"\n",(0,l.jsx)(i.p,{children:"Writing code for plugins is essentially the same as writing within a CLI. They can export 3 different types: commands, hooks, and other plugins."}),"\n",(0,l.jsxs)(i.p,{children:["Run ",(0,l.jsx)(i.code,{children:"npx oclif generate mynewplugin"})," to create a plugin in a new directory. 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To add a plugin such as the ",(0,l.jsx)(i.a,{href:"https://github.com/oclif/plugin-not-found",children:"not-found plugin"})," plugin, first add it to your CLI with ",(0,l.jsx)(i.code,{children:"yarn add @oclif/plugin-not-found"}),", then add the following to your ",(0,l.jsx)(i.code,{children:"package.json"}),":"]}),"\n",(0,l.jsx)(i.pre,{children:(0,l.jsx)(i.code,{className:"language-js",children:'{\n "name": "mycli",\n "version": "0.0.0",\n // ...\n "oclif": {\n "plugins": [\n "@oclif/plugin-help",\n "@oclif/plugin-not-found"\n ]\n }\n}\n'})}),"\n",(0,l.jsxs)(i.p,{children:["If you want users to be able to install their own plugins into your CLI, use the ",(0,l.jsx)(i.a,{href:"https://github.com/oclif/plugin-plugins",children:"plugins plugin"}),"."]}),"\n",(0,l.jsx)(i.h2,{id:"useful-plugins",children:"Useful Plugins"}),"\n",(0,l.jsxs)(i.ul,{children:["\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/oclif/plugin-not-found",children:"@oclif/plugin-not-found"}),' - Display a friendly "did you mean" message if a command is not found.']}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/oclif/plugin-plugins",children:"@oclif/plugin-plugins"})," - Allow users to add plugins to extend your CLI."]}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/oclif/plugin-update",children:"@oclif/plugin-update"})," - Add autoupdate support to the CLI."]}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/oclif/plugin-help",children:"@oclif/plugin-help"})," - Help plugin for oclif."]}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/oclif/plugin-warn-if-update-available",children:"@oclif/plugin-warn-if-update-available"})," - Show a warning message if user is running an out of date CLI."]}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/oclif/plugin-which",children:"@oclif/plugin-which"})," - Show which plugin a command comes from."]}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/oclif/plugin-commands",children:"@oclif/plugin-commands"})," - Add a ",(0,l.jsx)(i.code,{children:"commands"})," command to list all the commands."]}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/oclif/plugin-autocomplete",children:"@oclif/plugin-autocomplete"})," - Add bash/zsh autocomplete."]}),"\n"]}),"\n",(0,l.jsx)(i.h2,{id:"community-plugins",children:"Community Plugins"}),"\n",(0,l.jsxs)(i.ul,{children:["\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/natzcam/conf-cli",children:"conf-cli"})," - Adds a ",(0,l.jsx)(i.code,{children:"conf"})," command to share state/configuration between commands. Uses ",(0,l.jsx)(i.a,{href:"https://github.com/sindresorhus/conf",children:"sindresorhus/conf"}),"."]}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://www.npmjs.com/package/oclif-dynamic-commands",children:"dynamic-commands"})," - Load commands dynamically based on commands found under the current working directory."]}),"\n",(0,l.jsxs)(i.li,{children:[(0,l.jsx)(i.a,{href:"https://github.com/oclif/oclif.github.io/blob/docs/docs/plugins.md",children:"Add yours here"}),"!"]}),"\n"]}),"\n",(0,l.jsx)(i.h2,{id:"building-your-own-plugin",children:"Building your own plugin"}),"\n",(0,l.jsx)(i.p,{children:"Writing code for plugins is essentially the same as writing within a CLI. They can export 3 different types: commands, hooks, and other plugins."}),"\n",(0,l.jsxs)(i.p,{children:["Run ",(0,l.jsx)(i.code,{children:"npx oclif generate mynewplugin"})," to create a plugin in a new directory. This will come with a sample command called ",(0,l.jsx)(i.code,{children:"hello"}),"."]})]})}function d(n={}){const{wrapper:i}={...(0,o.R)(),...n.components};return i?(0,l.jsx)(i,{...n,children:(0,l.jsx)(r,{...n})}):r(n)}},8453:(n,i,e)=>{e.d(i,{R:()=>t,x:()=>c});var l=e(6540);const o={},s=l.createContext(o);function t(n){const i=l.useContext(s);return l.useMemo((function(){return"function"==typeof n?n(i):{...i,...n}}),[i,n])}function c(n){let i;return i=n.disableParentContext?"function"==typeof n.components?n.components(o):n.components||o:t(n.components),l.createElement(s.Provider,{value:i},n.children)}}}]); \ No newline at end of file diff --git a/assets/js/e3703649.0f308291.js b/assets/js/e3703649.deb238ea.js similarity index 99% rename from assets/js/e3703649.0f308291.js rename to assets/js/e3703649.deb238ea.js index 5dae5ed6..f2598482 100644 --- a/assets/js/e3703649.0f308291.js +++ b/assets/js/e3703649.deb238ea.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[9036],{354:(e,n,o)=>{o.r(n),o.d(n,{assets:()=>a,contentTitle:()=>i,default:()=>p,frontMatter:()=>t,metadata:()=>c,toc:()=>r});var s=o(4848),l=o(8453);const t={title:"Help Classes"},i=void 0,c={id:"help_classes",title:"Help Classes",description:"Out of the box oclif provides a great help experience for CLIs. Users can invoke help with the --help flag.",source:"@site/../docs/help_classes.md",sourceDirName:".",slug:"/help_classes",permalink:"/docs/help_classes",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/help_classes.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"Help Classes"},sidebar:"docs",previous:{title:"Plugins",permalink:"/docs/plugins"},next:{title:"Error Handling",permalink:"/docs/error_handling"}},a={},r=[{value:"Custom Help",id:"custom-help",level:2},{value:"Extending the HelpBase class",id:"extending-the-helpbase-class",level:2},{value:"Extending the default Help class",id:"extending-the-default-help-class",level:2},{value:"Building custom help classes in JavaScript projects",id:"building-custom-help-classes-in-javascript-projects",level:2}];function d(e){const n={a:"a",code:"code",h2:"h2",p:"p",pre:"pre",...(0,l.R)(),...e.components};return(0,s.jsxs)(s.Fragment,{children:[(0,s.jsxs)(n.p,{children:["Out of the box oclif provides a great help experience for CLIs. Users can invoke help with the ",(0,s.jsx)(n.code,{children:"--help"})," flag."]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ my-cli login --help\n"})}),"\n",(0,s.jsxs)(n.p,{children:["If you want your CLI to have an explicit ",(0,s.jsx)(n.code,{children:"help"})," command, add ",(0,s.jsx)(n.code,{children:"@oclif/plugin-help"})," as an ",(0,s.jsx)(n.a,{href:"/docs/plugins",children:"oclif plugin in your config"}),"."]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ my-cli help\n"})}),"\n",(0,s.jsx)(n.h2,{id:"custom-help",children:"Custom Help"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ yarn add @oclif/core --latest\n"})}),"\n",(0,s.jsx)(n.p,{children:"To get started, first define the filepath to your help class in oclif's config in package.json. This is a relative path to the help class, without a file extension."}),"\n",(0,s.jsx)(n.p,{children:'For this example, the help class will be created in a file at "[project root]/src/help.ts".'}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:'{\n // ...\n "oclif": {\n "helpClass": "./dist/help"\n // ...\n }\n // ...\n}\n'})}),"\n",(0,s.jsxs)(n.p,{children:["From here there are two paths, implement the ",(0,s.jsx)(n.code,{children:"HelpBase"})," abstract class yourself or overwrite the parts of the default ",(0,s.jsx)(n.code,{children:"Help"})," class you want to customize (ex: how command usage is displayed). We recommend the latter approach but cover both below."]}),"\n",(0,s.jsxs)(n.h2,{id:"extending-the-helpbase-class",children:["Extending the ",(0,s.jsx)(n.code,{children:"HelpBase"})," class"]}),"\n",(0,s.jsxs)(n.p,{children:["The ",(0,s.jsx)(n.code,{children:"HelpBase"})," abstract class provides a starting point requiring the minimum needed methods implemented to be compatible with oclif."]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-TypeScript",children:"import {Command, HelpBase} from '@oclif/core';\n\nexport default class CustomHelp extends HelpBase {\n showHelp(args: string[]) {\n console.log('This will be displayed in multi-command CLIs')\n }\n\n showCommandHelp(command: Command) {\n console.log('This will be displayed in single-command CLIs')\n }\n}\n"})}),"\n",(0,s.jsxs)(n.p,{children:["The ",(0,s.jsx)(n.code,{children:"showHelp"})," method is called by oclif to display help in multi-command CLIs, while ",(0,s.jsx)(n.code,{children:"showCommandHelp"})," is called directly for single-command CLIs."]}),"\n",(0,s.jsxs)(n.p,{children:["The class is instantiated with a ",(0,s.jsx)(n.code,{children:"config"})," property that provides helpful context for constructing your custom output."]}),"\n",(0,s.jsxs)(n.p,{children:["To see an example of what is possible take a look at the source code for the ",(0,s.jsxs)(n.a,{href:"https://github.com/oclif/core/blob/main/src/help/index.ts",children:["default ",(0,s.jsx)(n.code,{children:"Help"})," class exported from @oclif/core"]}),"."]}),"\n",(0,s.jsxs)(n.h2,{id:"extending-the-default-help-class",children:["Extending the default ",(0,s.jsx)(n.code,{children:"Help"})," class"]}),"\n",(0,s.jsxs)(n.p,{children:["The default ",(0,s.jsx)(n.code,{children:"Help"})," class provides many method \u201chooks\u201d that make it easy to override the particular parts of help's output you want to customize."]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-TypeScript",children:"import {Command, Help, Topic} from '@oclif/core';\n\nexport default class MyHelpClass extends Help {\n // acts as a \"router\"\n // and based on the args it receives\n // calls one of showRootHelp, showTopicHelp,\n // or showCommandHelp\n showHelp(args: string[]): void {\n }\n\n // display the root help of a CLI\n showRootHelp(): void {\n }\n\n // display help for a topic\n showTopicHelp(topic: Topic): void {\n }\n\n // display help for a command\n showCommandHelp(command: Command): void {\n }\n\n // the default implementations of showRootHelp\n // showTopicHelp and showCommandHelp\n // will call various format methods that\n // provide the formatting for their corresponding\n // help sections;\n // these can be overwritten as well\n\n // the formatting responsible for the header\n // displayed for the root help\n formatRoot(): string {\n }\n\n // the formatting for an individual topic\n formatTopic(topic: Config.Topic): string {\n }\n\n // the formatting for a list of topics\n protected formatTopics(topics: Config.Topic[]): string {\n }\n\n // the formatting for a list of commands\n formatCommands(commands: Config.Command[]): string {\n }\n\n // the formatting for an individual command\n formatCommand(command: Config.Command): string {\n }\n}\n"})}),"\n",(0,s.jsxs)(n.p,{children:["To see the default implementation of these methods take a look at the ",(0,s.jsxs)(n.a,{href:"https://github.com/oclif/core/blob/main/src/help/index.ts",children:["default ",(0,s.jsx)(n.code,{children:"Help"})," class exported from @oclif/core"]}),"."]}),"\n",(0,s.jsxs)(n.p,{children:["To start experimenting, define ",(0,s.jsx)(n.code,{children:"showCommandHelp"})," in your custom help class and change the output."]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-TypeScript",children:"import {Command, Help, Topic} from '@oclif/core';\n\nexport default class MyHelpClass extends Help {\n public showCommandHelp(command: Config.Command) {\n console.log('Display my custom command help!')\n }\n}\n"})}),"\n",(0,s.jsx)(n.p,{children:"Then run help for any command."}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ my-cli login --help\nDisplay my custom command help!\n"})}),"\n",(0,s.jsx)(n.h2,{id:"building-custom-help-classes-in-javascript-projects",children:"Building custom help classes in JavaScript projects"}),"\n",(0,s.jsxs)(n.p,{children:['These examples above followed a TypeScript project. For JavaScript project with an example help file at "[project root]/src/help.js" would have a package.json with the ',(0,s.jsx)(n.code,{children:"helpClass"})," defined:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:'{\n // ...\n "oclif": {\n "helpClass": "./src/help"\n // ...\n }\n // ...\n}\n'})}),"\n",(0,s.jsx)(n.p,{children:"The imports are handled slightly different for JavaScript projects but the rest of the help class mimic the TypeScript examples above, except without type annotations."}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"const {HelpBase} = require('@oclif/core');\n\nmodule.exports = class MyHelpClass extends HelpBase {\n showHelp(args) {\n console.log('This will be displayed in multi-command CLIs')\n }\n\n showCommandHelp(command) {\n console.log('This will be displayed for a single command')\n }\n}\n"})}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"const {Help} = require('@oclif/core');\n\nmodule.exports = class MyHelpClass extends Help {\n showHelp(args) {\n }\n\n showRootHelp() {\n }\n\n showTopicHelp(topic) {\n }\n\n showCommandHelp(command) {\n }\n\n formatRoot() {\n }\n\n formatTopic(topic) {\n }\n\n formatTopics(topics) {\n }\n\n formatCommands(commands) {\n }\n\n formatCommand(command) {\n }\n}\n"})})]})}function p(e={}){const{wrapper:n}={...(0,l.R)(),...e.components};return n?(0,s.jsx)(n,{...e,children:(0,s.jsx)(d,{...e})}):d(e)}},8453:(e,n,o)=>{o.d(n,{R:()=>i,x:()=>c});var s=o(6540);const l={},t=s.createContext(l);function i(e){const n=s.useContext(t);return s.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function c(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(l):e.components||l:i(e.components),s.createElement(t.Provider,{value:n},e.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[9036],{354:(e,n,o)=>{o.r(n),o.d(n,{assets:()=>a,contentTitle:()=>i,default:()=>p,frontMatter:()=>t,metadata:()=>c,toc:()=>r});var s=o(4848),l=o(8453);const t={title:"Help Classes"},i=void 0,c={id:"help_classes",title:"Help Classes",description:"Out of the box oclif provides a great help experience for CLIs. Users can invoke help with the --help flag.",source:"@site/../docs/help_classes.md",sourceDirName:".",slug:"/help_classes",permalink:"/docs/help_classes",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/help_classes.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"Help Classes"},sidebar:"docs",previous:{title:"Plugins",permalink:"/docs/plugins"},next:{title:"Error Handling",permalink:"/docs/error_handling"}},a={},r=[{value:"Custom Help",id:"custom-help",level:2},{value:"Extending the HelpBase class",id:"extending-the-helpbase-class",level:2},{value:"Extending the default Help class",id:"extending-the-default-help-class",level:2},{value:"Building custom help classes in JavaScript projects",id:"building-custom-help-classes-in-javascript-projects",level:2}];function d(e){const n={a:"a",code:"code",h2:"h2",p:"p",pre:"pre",...(0,l.R)(),...e.components};return(0,s.jsxs)(s.Fragment,{children:[(0,s.jsxs)(n.p,{children:["Out of the box oclif provides a great help experience for CLIs. Users can invoke help with the ",(0,s.jsx)(n.code,{children:"--help"})," flag."]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ my-cli login --help\n"})}),"\n",(0,s.jsxs)(n.p,{children:["If you want your CLI to have an explicit ",(0,s.jsx)(n.code,{children:"help"})," command, add ",(0,s.jsx)(n.code,{children:"@oclif/plugin-help"})," as an ",(0,s.jsx)(n.a,{href:"/docs/plugins",children:"oclif plugin in your config"}),"."]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ my-cli help\n"})}),"\n",(0,s.jsx)(n.h2,{id:"custom-help",children:"Custom Help"}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ yarn add @oclif/core --latest\n"})}),"\n",(0,s.jsx)(n.p,{children:"To get started, first define the filepath to your help class in oclif's config in package.json. This is a relative path to the help class, without a file extension."}),"\n",(0,s.jsx)(n.p,{children:'For this example, the help class will be created in a file at "[project root]/src/help.ts".'}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:'{\n // ...\n "oclif": {\n "helpClass": "./dist/help"\n // ...\n }\n // ...\n}\n'})}),"\n",(0,s.jsxs)(n.p,{children:["From here there are two paths, implement the ",(0,s.jsx)(n.code,{children:"HelpBase"})," abstract class yourself or overwrite the parts of the default ",(0,s.jsx)(n.code,{children:"Help"})," class you want to customize (ex: how command usage is displayed). We recommend the latter approach but cover both below."]}),"\n",(0,s.jsxs)(n.h2,{id:"extending-the-helpbase-class",children:["Extending the ",(0,s.jsx)(n.code,{children:"HelpBase"})," class"]}),"\n",(0,s.jsxs)(n.p,{children:["The ",(0,s.jsx)(n.code,{children:"HelpBase"})," abstract class provides a starting point requiring the minimum needed methods implemented to be compatible with oclif."]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-TypeScript",children:"import {Command, HelpBase} from '@oclif/core';\n\nexport default class CustomHelp extends HelpBase {\n showHelp(args: string[]) {\n console.log('This will be displayed in multi-command CLIs')\n }\n\n showCommandHelp(command: Command) {\n console.log('This will be displayed in single-command CLIs')\n }\n}\n"})}),"\n",(0,s.jsxs)(n.p,{children:["The ",(0,s.jsx)(n.code,{children:"showHelp"})," method is called by oclif to display help in multi-command CLIs, while ",(0,s.jsx)(n.code,{children:"showCommandHelp"})," is called directly for single-command CLIs."]}),"\n",(0,s.jsxs)(n.p,{children:["The class is instantiated with a ",(0,s.jsx)(n.code,{children:"config"})," property that provides helpful context for constructing your custom output."]}),"\n",(0,s.jsxs)(n.p,{children:["To see an example of what is possible take a look at the source code for the ",(0,s.jsxs)(n.a,{href:"https://github.com/oclif/core/blob/main/src/help/index.ts",children:["default ",(0,s.jsx)(n.code,{children:"Help"})," class exported from @oclif/core"]}),"."]}),"\n",(0,s.jsxs)(n.h2,{id:"extending-the-default-help-class",children:["Extending the default ",(0,s.jsx)(n.code,{children:"Help"})," class"]}),"\n",(0,s.jsxs)(n.p,{children:["The default ",(0,s.jsx)(n.code,{children:"Help"})," class provides many method \u201chooks\u201d that make it easy to override the particular parts of help's output you want to customize."]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-TypeScript",children:"import {Command, Help, Topic} from '@oclif/core';\n\nexport default class MyHelpClass extends Help {\n // acts as a \"router\"\n // and based on the args it receives\n // calls one of showRootHelp, showTopicHelp,\n // or showCommandHelp\n showHelp(args: string[]): void {\n }\n\n // display the root help of a CLI\n showRootHelp(): void {\n }\n\n // display help for a topic\n showTopicHelp(topic: Topic): void {\n }\n\n // display help for a command\n showCommandHelp(command: Command): void {\n }\n\n // the default implementations of showRootHelp\n // showTopicHelp and showCommandHelp\n // will call various format methods that\n // provide the formatting for their corresponding\n // help sections;\n // these can be overwritten as well\n\n // the formatting responsible for the header\n // displayed for the root help\n formatRoot(): string {\n }\n\n // the formatting for an individual topic\n formatTopic(topic: Config.Topic): string {\n }\n\n // the formatting for a list of topics\n protected formatTopics(topics: Config.Topic[]): string {\n }\n\n // the formatting for a list of commands\n formatCommands(commands: Config.Command[]): string {\n }\n\n // the formatting for an individual command\n formatCommand(command: Config.Command): string {\n }\n}\n"})}),"\n",(0,s.jsxs)(n.p,{children:["To see the default implementation of these methods take a look at the ",(0,s.jsxs)(n.a,{href:"https://github.com/oclif/core/blob/main/src/help/index.ts",children:["default ",(0,s.jsx)(n.code,{children:"Help"})," class exported from @oclif/core"]}),"."]}),"\n",(0,s.jsxs)(n.p,{children:["To start experimenting, define ",(0,s.jsx)(n.code,{children:"showCommandHelp"})," in your custom help class and change the output."]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-TypeScript",children:"import {Command, Help, Topic} from '@oclif/core';\n\nexport default class MyHelpClass extends Help {\n public showCommandHelp(command: Config.Command) {\n console.log('Display my custom command help!')\n }\n}\n"})}),"\n",(0,s.jsx)(n.p,{children:"Then run help for any command."}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:"$ my-cli login --help\nDisplay my custom command help!\n"})}),"\n",(0,s.jsx)(n.h2,{id:"building-custom-help-classes-in-javascript-projects",children:"Building custom help classes in JavaScript projects"}),"\n",(0,s.jsxs)(n.p,{children:['These examples above followed a TypeScript project. For JavaScript project with an example help file at "[project root]/src/help.js" would have a package.json with the ',(0,s.jsx)(n.code,{children:"helpClass"})," defined:"]}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{children:'{\n // ...\n "oclif": {\n "helpClass": "./src/help"\n // ...\n }\n // ...\n}\n'})}),"\n",(0,s.jsx)(n.p,{children:"The imports are handled slightly different for JavaScript projects but the rest of the help class mimic the TypeScript examples above, except without type annotations."}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"const {HelpBase} = require('@oclif/core');\n\nmodule.exports = class MyHelpClass extends HelpBase {\n showHelp(args) {\n console.log('This will be displayed in multi-command CLIs')\n }\n\n showCommandHelp(command) {\n console.log('This will be displayed for a single command')\n }\n}\n"})}),"\n",(0,s.jsx)(n.pre,{children:(0,s.jsx)(n.code,{className:"language-js",children:"const {Help} = require('@oclif/core');\n\nmodule.exports = class MyHelpClass extends Help {\n showHelp(args) {\n }\n\n showRootHelp() {\n }\n\n showTopicHelp(topic) {\n }\n\n showCommandHelp(command) {\n }\n\n formatRoot() {\n }\n\n formatTopic(topic) {\n }\n\n formatTopics(topics) {\n }\n\n formatCommands(commands) {\n }\n\n formatCommand(command) {\n }\n}\n"})})]})}function p(e={}){const{wrapper:n}={...(0,l.R)(),...e.components};return n?(0,s.jsx)(n,{...e,children:(0,s.jsx)(d,{...e})}):d(e)}},8453:(e,n,o)=>{o.d(n,{R:()=>i,x:()=>c});var s=o(6540);const l={},t=s.createContext(l);function i(e){const n=s.useContext(t);return s.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function c(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(l):e.components||l:i(e.components),s.createElement(t.Provider,{value:n},e.children)}}}]); \ No newline at end of file diff --git a/assets/js/f182954c.53a8635a.js b/assets/js/f182954c.67c31c13.js similarity index 96% rename from assets/js/f182954c.53a8635a.js rename to assets/js/f182954c.67c31c13.js index a598c5b6..6e74b5db 100644 --- a/assets/js/f182954c.53a8635a.js +++ b/assets/js/f182954c.67c31c13.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[607],{3685:(e,t,o)=>{o.r(t),o.d(t,{assets:()=>c,contentTitle:()=>i,default:()=>u,frontMatter:()=>n,metadata:()=>l,toc:()=>a});var r=o(4848),s=o(8453);const n={title:"Related Repositories"},i=void 0,l={id:"related_repos",title:"Related Repositories",description:"* @oclif/core - Base library for oclif CLIs or plugins. 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This can be used directly without the generator."]}),"\n",(0,r.jsxs)(t.li,{children:[(0,r.jsx)(t.a,{href:"https://github.com/oclif/test",children:"@oclif/test"})," - Test helper for oclif."]}),"\n"]})}function u(e={}){const{wrapper:t}={...(0,s.R)(),...e.components};return t?(0,r.jsx)(t,{...e,children:(0,r.jsx)(d,{...e})}):d(e)}},8453:(e,t,o)=>{o.d(t,{R:()=>i,x:()=>l});var r=o(6540);const s={},n=r.createContext(s);function i(e){const t=r.useContext(n);return r.useMemo((function(){return"function"==typeof e?e(t):{...t,...e}}),[t,e])}function l(e){let t;return t=e.disableParentContext?"function"==typeof e.components?e.components(s):e.components||s:i(e.components),r.createElement(n.Provider,{value:t},e.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[607],{3685:(e,t,o)=>{o.r(t),o.d(t,{assets:()=>c,contentTitle:()=>i,default:()=>u,frontMatter:()=>n,metadata:()=>l,toc:()=>a});var r=o(4848),s=o(8453);const n={title:"Related Repositories"},i=void 0,l={id:"related_repos",title:"Related Repositories",description:"* @oclif/core - Base library for oclif CLIs or plugins. This can be used directly without the generator.",source:"@site/../docs/related_repos.md",sourceDirName:".",slug:"/related_repos",permalink:"/docs/related_repos",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/related_repos.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1711121897,formattedLastUpdatedAt:"Mar 22, 2024",frontMatter:{title:"Related Repositories"},sidebar:"docs",previous:{title:"External Links",permalink:"/docs/external_links"},next:{title:"How We Work",permalink:"/docs/how_we_work"}},c={},a=[];function d(e){const t={a:"a",li:"li",ul:"ul",...(0,s.R)(),...e.components};return(0,r.jsxs)(t.ul,{children:["\n",(0,r.jsxs)(t.li,{children:[(0,r.jsx)(t.a,{href:"https://github.com/oclif/core",children:"@oclif/core"})," - Base library for oclif CLIs or plugins. This can be used directly without the generator."]}),"\n",(0,r.jsxs)(t.li,{children:[(0,r.jsx)(t.a,{href:"https://github.com/oclif/test",children:"@oclif/test"})," - Test helper for oclif."]}),"\n"]})}function u(e={}){const{wrapper:t}={...(0,s.R)(),...e.components};return t?(0,r.jsx)(t,{...e,children:(0,r.jsx)(d,{...e})}):d(e)}},8453:(e,t,o)=>{o.d(t,{R:()=>i,x:()=>l});var r=o(6540);const s={},n=r.createContext(s);function i(e){const t=r.useContext(n);return r.useMemo((function(){return"function"==typeof e?e(t):{...t,...e}}),[t,e])}function l(e){let t;return t=e.disableParentContext?"function"==typeof e.components?e.components(s):e.components||s:i(e.components),r.createElement(n.Provider,{value:t},e.children)}}}]); \ No newline at end of file diff --git a/assets/js/f6c5328e.c07cba91.js b/assets/js/f6c5328e.a958af26.js similarity index 97% rename from assets/js/f6c5328e.c07cba91.js rename to assets/js/f6c5328e.a958af26.js index 6b8366be..7794bd10 100644 --- a/assets/js/f6c5328e.c07cba91.js +++ b/assets/js/f6c5328e.a958af26.js @@ -1 +1 @@ -"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[9181],{5500:(e,n,o)=>{o.r(n),o.d(n,{assets:()=>a,contentTitle:()=>c,default:()=>h,frontMatter:()=>i,metadata:()=>l,toc:()=>r});var t=o(4848),s=o(8453);const i={title:"Hooks"},c=void 0,l={id:"hooks",title:"Hooks",description:"oclif exposes lifecycle event hooks such as init and commandnotfound. See below for a list of all the lifecycle events. In addition to these built-in events, you can create your own events and allow commands/plugins to watch for these custom events. It's a great way to allow multiple plugins to interact with each other.",source:"@site/../docs/hooks.md",sourceDirName:".",slug:"/hooks",permalink:"/docs/hooks",draft:!1,unlisted:!1,editUrl:"https://github.com/oclif/oclif.github.io/tree/docs/docs/../docs/hooks.md",tags:[],version:"current",lastUpdatedBy:"Mike Donnalley",lastUpdatedAt:1710860746,formattedLastUpdatedAt:"Mar 19, 2024",frontMatter:{title:"Hooks"},sidebar:"docs",previous:{title:"Topic Separators",permalink:"/docs/topic_separator"},next:{title:"Plugins",permalink:"/docs/plugins"}},a={},r=[{value:"Lifecycle Events",id:"lifecycle-events",level:2},{value:"Custom Events",id:"custom-events",level:2}];function d(e){const n={a:"a",code:"code",h2:"h2",li:"li",p:"p",pre:"pre",strong:"strong",ul:"ul",...(0,s.R)(),...e.components};return(0,t.jsxs)(t.Fragment,{children:[(0,t.jsxs)(n.p,{children:["oclif exposes lifecycle event hooks such as ",(0,t.jsx)(n.code,{children:"init"})," and ",(0,t.jsx)(n.code,{children:"command_not_found"}),". ",(0,t.jsx)(n.a,{href:"#lifecycle-events",children:"See below for a list of all the lifecycle events"}),". In addition to these built-in events, you can create your own events and allow commands/plugins to watch for these custom events. It's a great way to allow multiple plugins to interact with each other."]}),"\n",(0,t.jsxs)(n.p,{children:["Multiple hooks are run in parallel. ",(0,t.jsx)(n.strong,{children:"This behavior may change in a future release."})]}),"\n",(0,t.jsx)(n.p,{children:"A basic hook looks like the following in TypeScript:"}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"import {Hook} from '@oclif/core'\n\nconst hook: Hook<'init'> = async function (options) {\n console.log(`example init hook running before ${options.id}`)\n}\n\nexport default hook\n"})}),"\n",(0,t.jsxs)(n.p,{children:["The hook must also be declared with the event's name and hook's file path under oclif's settings in ",(0,t.jsx)(n.code,{children:"package.json"}),":"]}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-js",children:' "oclif": {\n "commands": "./lib/commands",\n "hooks": {\n "init": "./lib/hooks/init/example"\n }\n }\n'})}),"\n",(0,t.jsx)(n.p,{children:"Multiple hooks of the same event type can be declared with an array."}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-js",children:' "oclif": {\n "commands": "./lib/commands",\n "hooks": {\n "init": [\n "./lib/hooks/init/example",\n "./lib/hooks/init/another_hook"\n ]\n }\n }\n'})}),"\n",(0,t.jsxs)(n.p,{children:["You can create hooks with ",(0,t.jsx)(n.code,{children:"oclif generate hook myhook --event=init"}),"."]}),"\n",(0,t.jsx)(n.h2,{id:"lifecycle-events",children:"Lifecycle Events"}),"\n",(0,t.jsxs)(n.ul,{children:["\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"init"})," - runs when the CLI is initialized before a command is found to run"]}),"\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"prerun"})," - runs after ",(0,t.jsx)(n.code,{children:"init"})," and after the command is found, but just before running the command itself"]}),"\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"postrun"})," - runs after the command only if the command finishes with no error"]}),"\n",(0,t.jsxs)(n.li,{children:[(0,t.jsx)(n.code,{children:"command_not_found"})," - runs if a command is not found before the error is displayed"]}),"\n"]}),"\n",(0,t.jsx)(n.h2,{id:"custom-events",children:"Custom Events"}),"\n",(0,t.jsxs)(n.p,{children:["Custom events are just like lifecycle events, but you need to call ",(0,t.jsx)(n.code,{children:"this.config.runHook()"})," to fire the event."]}),"\n",(0,t.jsx)(n.p,{children:"For example, you could define an analytics post function that you will run in your command after submitting analytics telemetry. First define:"}),"\n",(0,t.jsx)(n.p,{children:(0,t.jsx)(n.strong,{children:"src/hooks/analytics/post.ts"})}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-typescript",children:"const hook = async function (options: {id: string}) {\n // code to post options.id to analytics server\n}\n\nexport default hook\n"})}),"\n",(0,t.jsx)(n.p,{children:(0,t.jsx)(n.strong,{children:"package.json"})}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-js",children:' "oclif": {\n "commands": "./lib/commands",\n "hooks": {\n "analytics": "./lib/hooks/analytics/post"\n },\n },\n'})}),"\n",(0,t.jsx)(n.p,{children:"Then in any command you want to trigger the event:"}),"\n",(0,t.jsx)(n.pre,{children:(0,t.jsx)(n.code,{className:"language-js",children:"export class extends Command {\n async run() {\n // emit analytics\n await this.config.runHook('analytics', {id: 'my_command'})\n }\n}\n"})}),"\n",(0,t.jsxs)(n.p,{children:["If you need to exit during a hook, use ",(0,t.jsx)(n.code,{children:"this.error()"})," or ",(0,t.jsx)(n.code,{children:"this.exit()"}),". Otherwise the hook will just emit a warning. This is to prevent an issue such as a plugin failing in ",(0,t.jsx)(n.code,{children:"init"})," causing the entire CLI to not function."]})]})}function h(e={}){const{wrapper:n}={...(0,s.R)(),...e.components};return n?(0,t.jsx)(n,{...e,children:(0,t.jsx)(d,{...e})}):d(e)}},8453:(e,n,o)=>{o.d(n,{R:()=>c,x:()=>l});var t=o(6540);const s={},i=t.createContext(s);function c(e){const n=t.useContext(i);return t.useMemo((function(){return"function"==typeof e?e(n):{...n,...e}}),[n,e])}function l(e){let n;return n=e.disableParentContext?"function"==typeof e.components?e.components(s):e.components||s:c(e.components),t.createElement(i.Provider,{value:n},e.children)}}}]); \ No newline at end of file +"use strict";(self.webpackChunk=self.webpackChunk||[]).push([[9181],{5500:(e,n,o)=>{o.r(n),o.d(n,{assets:()=>a,contentTitle:()=>c,default:()=>h,frontMatter:()=>i,metadata:()=>l,toc:()=>r});var t=o(4848),s=o(8453);const i={title:"Hooks"},c=void 0,l={id:"hooks",title:"Hooks",description:"oclif exposes lifecycle event hooks such as init and commandnotfound. See below for a list of all the lifecycle events. In addition to these built-in events, you can create your own events and allow commands/plugins to watch for these custom events. 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",(0,t.jsx)(n.a,{href:"#lifecycle-events",children:"See below for a list of all the lifecycle events"}),". In addition to these built-in events, you can create your own events and allow commands/plugins to watch for these custom events. It's a great way to allow multiple plugins to interact with each other."]}),"\n",(0,t.jsxs)(n.p,{children:["Multiple hooks are run in parallel. 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