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perf(webpack-build): configured webpack to bundle core code into mini…
…fied production build Collapsed core code into single bundle except for core Node.js modules & runtime node_modules dependencies BREAKING CHANGE: Distribution code is now bundled into a single encapsulated module. No exposed libraries available as they were before `createRule()` ex. Only exports eslint required members.Types not yet provided.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| /** | ||
| * Webpack@5 build configuration | ||
| * @author codejedi365 | ||
| */ | ||
| // IMPORTS | ||
| const { resolve, dirname, basename } = require("path"); | ||
| const nodeExternals = require("webpack-node-externals"); | ||
| const thisModule = require("./package.json"); | ||
|
|
||
| // CONSTANTS | ||
| const isProduction = process.env.NODE_ENV === "production"; | ||
| const pkgDir = __dirname; | ||
| const entrypoint = resolve(pkgDir, "lib", "index.ts"); | ||
| const outDir = (() => { | ||
| const dir = resolve( | ||
| __dirname, | ||
| /^\.{1,2}|\/$/.test(dirname(thisModule.main)) | ||
| ? "dist" | ||
| : dirname(thisModule.main) | ||
| ); | ||
| if (dir.search(pkgDir)) { | ||
| // Prevent malicious cleaning of directories outside of project | ||
| throw new Error("WARNING: outDir points outside of project directory"); | ||
| } | ||
| return dir; | ||
| })(); | ||
|
|
||
| /** | ||
| * Dynamic configuration function | ||
| * @param env webpack environment object | ||
| * @returns Webpack configuration object | ||
| */ | ||
| function buildConfig() { | ||
| return { | ||
| entry: entrypoint, | ||
| output: { | ||
| clean: true, | ||
| path: outDir, | ||
| filename: basename(thisModule.main), | ||
| library: { | ||
| type: "commonjs" | ||
| } | ||
| }, | ||
| plugins: [], | ||
| module: { | ||
| rules: [ | ||
| { | ||
| test: /(?<!\.test)\.(ts)$/i, | ||
| loader: "ts-loader", | ||
| options: { | ||
| onlyCompileBundledFiles: true | ||
| }, | ||
| exclude: ["/node_modules/"] | ||
| } | ||
| ] | ||
| }, | ||
| optimization: { | ||
| // minimize & mangle the output files (TerserPlugin w/ webpack@v5) | ||
| minimize: isProduction, | ||
| // determine which exports are used by modules and removed unused ones | ||
| usedExports: true | ||
| }, | ||
| resolve: { | ||
| extensions: [".ts", ".js", ".json"] | ||
| }, | ||
| // ignore all modules in node_modules folder (ie. do not bundle runtime dependencies) | ||
| externals: [nodeExternals()], | ||
| externalsPresets: { | ||
| // ignore node built-in modules like path, fs, etc. | ||
| node: true | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| module.exports = (env) => { | ||
| const config = buildConfig(env); | ||
| if (isProduction) { | ||
| config.mode = "production"; | ||
| } else { | ||
| config.mode = "development"; | ||
| } | ||
| return config; | ||
| }; |