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Merge pull request #44432 from margelo/feat/release-profiler-on-web
feat: release-profiler on web
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| /* eslint-disable @typescript-eslint/no-misused-promises */ | ||
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| /* eslint-disable rulesdir/no-negated-variables */ | ||
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| /* eslint-disable @lwc/lwc/no-async-await */ | ||
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| /** | ||
| * This file is a modified version of the electron-serve package. | ||
| * We keep the same interface, but instead of file protocol we use buffer protocol (with support of JS self profiling). | ||
| */ | ||
| import type {BrowserWindow, Protocol} from 'electron'; | ||
| import {app, protocol, session} from 'electron'; | ||
| import fs from 'fs'; | ||
| import path from 'path'; | ||
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| type RegisterBufferProtocol = Protocol['registerBufferProtocol']; | ||
| type HandlerType = Parameters<RegisterBufferProtocol>[1]; | ||
| type Optional<T> = T | null | undefined; | ||
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| const FILE_NOT_FOUND = -6; | ||
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| const getPath = async (filePath: string): Promise<Optional<string>> => { | ||
| try { | ||
| const result = await fs.promises.stat(filePath); | ||
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| if (result.isFile()) { | ||
| return filePath; | ||
| } | ||
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| if (result.isDirectory()) { | ||
| // eslint-disable-next-line @typescript-eslint/return-await | ||
| return getPath(path.join(filePath, 'index.html')); | ||
| } | ||
| } catch { | ||
| return null; | ||
| } | ||
| }; | ||
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| type ServeOptions = { | ||
| directory: string; | ||
| isCorsEnabled?: boolean; | ||
| scheme?: string; | ||
| hostname?: string; | ||
| file?: string; | ||
| partition?: string; | ||
| }; | ||
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| export default function electronServe(options: ServeOptions) { | ||
| const mandatoryOptions = { | ||
| isCorsEnabled: true, | ||
| scheme: 'app', | ||
| hostname: '-', | ||
| file: 'index', | ||
| ...options, | ||
| }; | ||
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| if (!mandatoryOptions.directory) { | ||
| throw new Error('The `directory` option is required'); | ||
| } | ||
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| mandatoryOptions.directory = path.resolve(app.getAppPath(), mandatoryOptions.directory); | ||
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| const handler: HandlerType = async (request, callback) => { | ||
| const filePath = path.join(mandatoryOptions.directory, decodeURIComponent(new URL(request.url).pathname)); | ||
| const resolvedPath = (await getPath(filePath)) ?? path.join(mandatoryOptions.directory, `${mandatoryOptions.file}.html`); | ||
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| try { | ||
| const data = await fs.promises.readFile(resolvedPath); | ||
| callback({ | ||
| mimeType: 'text/html', | ||
| data: Buffer.from(data), | ||
| headers: { | ||
| // eslint-disable-next-line @typescript-eslint/naming-convention | ||
| 'Document-Policy': 'js-profiling', | ||
| }, | ||
| }); | ||
| } catch (error) { | ||
| callback({error: FILE_NOT_FOUND}); | ||
| } | ||
| }; | ||
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| protocol.registerSchemesAsPrivileged([ | ||
| { | ||
| scheme: mandatoryOptions.scheme, | ||
| privileges: { | ||
| standard: true, | ||
| secure: true, | ||
| allowServiceWorkers: true, | ||
| supportFetchAPI: true, | ||
| corsEnabled: mandatoryOptions.isCorsEnabled, | ||
| }, | ||
| }, | ||
| ]); | ||
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| app.on('ready', () => { | ||
| const partitionSession = mandatoryOptions.partition ? session.fromPartition(mandatoryOptions.partition) : session.defaultSession; | ||
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| partitionSession.protocol.registerBufferProtocol(mandatoryOptions.scheme, handler); | ||
| }); | ||
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| // eslint-disable-next-line @typescript-eslint/naming-convention | ||
| return async (window_: BrowserWindow, searchParameters?: URLSearchParams) => { | ||
| const queryString = searchParameters ? `?${new URLSearchParams(searchParameters).toString()}` : ''; | ||
| await window_.loadURL(`${mandatoryOptions.scheme}://${mandatoryOptions.hostname}${queryString}`); | ||
| }; | ||
| } |
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