esbuild.config.mjs

import esbuild from "esbuild";
import process from "process";
import builtins from "builtin-modules";
import inlineWorkerPlugin from 'esbuild-plugin-inline-worker';
import fs from 'fs/promises';

const banner =
`/*
THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
if you want to view the source, please visit the github repository of this plugin
*/
`;

export default {
    target: 'es2021',
};

const prod = (process.argv[2] === "production");


function replacePlugin(replace_map) {
    return {
        name: "replace-plugin",
        setup(build) {
            build.onEnd(async (result) => {
                if (result.errors.length > 0) {
                    return;
                }
                let contents =  await fs.readFile("main.js", "utf8");
                for (const [search, replacement] of Object.entries(replace_map)) {
                    contents = contents.replace(search, replacement);
                }
                await fs.writeFile("main.js", contents, "utf8");
            });
        },
    };
}


const context = await esbuild.context({
    banner: {
        js: banner,
    },
    entryPoints: ["./src/main.ts"],
    bundle: true,
    plugins: [
        inlineWorkerPlugin(),
        replacePlugin({
            '&&e.print(">",T.src.source.trim())': "",
            "_b_.print(result)\n": "_b_.print(_b_.repr(result))\n",
        })
    ],
    external: [
        "obsidian",
        "electron",
        "@codemirror/autocomplete",
        "@codemirror/collab",
        "@codemirror/commands",
        "@codemirror/language",
        "@codemirror/lint",
        "@codemirror/search",
        "@codemirror/state",
        "@codemirror/view",
        "@lezer/common",
        "@lezer/highlight",
        "@lezer/lr",
        ...builtins],
    format: "cjs",
    target: "es2021",
    logLevel: "info",
    sourcemap: prod ? false : "inline",
    treeShaking: true,
    outfile: "main.js",
    minify: prod,
});

if (prod) {
    await context.rebuild();
    process.exit(0);
} else {
    await context.watch();
}