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Extract webpack config creation from compilation
This will be useful to reuse the same config for webpack serve. Prerequisite for #6.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,169 +1,24 @@ | ||
| const child_process = require("child_process"); | ||
| const fs = require("fs-extra"); | ||
| const path = require("path"); | ||
| const webpack = require("webpack"); | ||
| const HtmlWebpackPlugin = require("html-webpack-plugin"); | ||
|
|
||
| const [ | ||
| nodePath, | ||
| scriptPath, | ||
| libBuildfilePath, | ||
| entry, | ||
| htmlTemplatePath, | ||
| target, | ||
| mode, | ||
| optionalLibrary, | ||
| splitChunksStr, | ||
| loadersNpmPackagesDir, | ||
| installedNpmPackagesDir, | ||
| compiledDir, | ||
| outputBundleDir | ||
| ] = process.argv; | ||
| const [nodePath, scriptPath, webpackConfigFilePath] = process.argv; | ||
|
|
||
| const [libraryName, libraryTarget] = optionalLibrary.split("/"); | ||
| const splitChunks = splitChunksStr === "1"; | ||
|
|
||
| webpack( | ||
| { | ||
| entry: path.resolve( | ||
| path.join(compiledDir, path.dirname(libBuildfilePath), entry) | ||
| ), | ||
| output: { | ||
| filename: "bundle.js", | ||
| path: path.resolve(outputBundleDir), | ||
| publicPath: "/", | ||
| ...(optionalLibrary | ||
| ? { | ||
| library: libraryName, | ||
| libraryTarget | ||
| } | ||
| : {}) | ||
| }, | ||
| mode, | ||
| target, | ||
| module: { | ||
| rules: [ | ||
| { | ||
| oneOf: [ | ||
| { | ||
| test: /\.module\.css$/, | ||
| use: [ | ||
| "style-loader", | ||
| { | ||
| loader: "css-loader", | ||
| options: { | ||
| importLoaders: 1, | ||
| modules: true, | ||
| camelCase: true | ||
| } | ||
| }, | ||
| "postcss-loader" | ||
| ] | ||
| }, | ||
| { | ||
| test: /\.module\.scss$/, | ||
| use: [ | ||
| "style-loader", | ||
| { | ||
| loader: "css-loader", | ||
| options: { | ||
| importLoaders: 2, | ||
| modules: true, | ||
| camelCase: true | ||
| } | ||
| }, | ||
| "postcss-loader", | ||
| "sass-loader" | ||
| ] | ||
| }, | ||
| { | ||
| test: /\.css$/, | ||
| use: [ | ||
| "style-loader", | ||
| { | ||
| loader: "css-loader", | ||
| options: { | ||
| importLoaders: 1 | ||
| } | ||
| }, | ||
| "postcss-loader" | ||
| ] | ||
| }, | ||
| { | ||
| test: /\.scss$/, | ||
| use: [ | ||
| "style-loader", | ||
| { | ||
| loader: "css-loader", | ||
| options: { | ||
| importLoaders: 2 | ||
| } | ||
| }, | ||
| "postcss-loader", | ||
| "sass-loader" | ||
| ] | ||
| }, | ||
| { | ||
| // Exclude `js` files to keep "css" loader working as it injects | ||
| // its runtime that would otherwise be processed through "file" loader. | ||
| // Also exclude `html` and `json` extensions so they get processed | ||
| // by webpacks internal loaders. | ||
| exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/], | ||
| loader: require.resolve("file-loader") | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| }, | ||
| // Some libraries import Node modules but don't use them in the browser. | ||
| // Tell Webpack to provide empty mocks for them so importing them works. | ||
| node: | ||
| target.indexOf("node") === -1 | ||
| ? { | ||
| dgram: "empty", | ||
| fs: "empty", | ||
| net: "empty", | ||
| tls: "empty", | ||
| child_process: "empty" | ||
| } | ||
| : {}, | ||
| resolve: { | ||
| modules: [ | ||
| path.resolve(path.join(installedNpmPackagesDir, "node_modules")) | ||
| ] | ||
| }, | ||
| resolveLoader: { | ||
| modules: [path.resolve(path.join(loadersNpmPackagesDir, "node_modules"))] | ||
| }, | ||
| plugins: [ | ||
| new HtmlWebpackPlugin({ | ||
| template: htmlTemplatePath, | ||
| inject: true | ||
| }), | ||
| // Chunk splitting is enabled by default. | ||
| ...(!splitChunks && [ | ||
| new webpack.optimize.LimitChunkCountPlugin({ | ||
| maxChunks: 1 | ||
| }) | ||
| ]) | ||
| ] | ||
| }, | ||
| (err, stats) => { | ||
| // See https://webpack.js.org/api/node/#error-handling. | ||
| if (err) { | ||
| console.error(err.stack || err); | ||
| if (err.details) { | ||
| console.error(err.details); | ||
| } | ||
| process.exit(1); | ||
| } | ||
| const info = stats.toJson(); | ||
| if (stats.hasErrors()) { | ||
| console.error(info.errors); | ||
| process.exit(1); | ||
| } | ||
| if (stats.hasWarnings()) { | ||
| console.warn(info.warnings); | ||
| webpack(require(path.resolve(webpackConfigFilePath)), (err, stats) => { | ||
| // See https://webpack.js.org/api/node/#error-handling. | ||
| if (err) { | ||
| console.error(err.stack || err); | ||
| if (err.details) { | ||
| console.error(err.details); | ||
| } | ||
| process.exit(1); | ||
| } | ||
| const info = stats.toJson(); | ||
| if (stats.hasErrors()) { | ||
| console.error(info.errors); | ||
| process.exit(1); | ||
| } | ||
| if (stats.hasWarnings()) { | ||
| console.warn(info.warnings); | ||
| } | ||
| ); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,165 @@ | ||
| const fs = require("fs-extra"); | ||
| const path = require("path"); | ||
|
|
||
| const [ | ||
| nodePath, | ||
| scriptPath, | ||
| libBuildfilePath, | ||
| entry, | ||
| htmlTemplatePath, | ||
| target, | ||
| mode, | ||
| optionalLibrary, | ||
| splitChunksStr, | ||
| loadersNpmPackagesDir, | ||
| installedNpmPackagesDir, | ||
| sourceDir, | ||
| outputBundleDir, | ||
| webpackConfigPath | ||
| ] = process.argv; | ||
|
|
||
| const [libraryName, libraryTarget] = optionalLibrary.split("/"); | ||
| const splitChunks = splitChunksStr === "1"; | ||
|
|
||
| const config = `const path = require("path"); | ||
| const webpack = require("webpack"); | ||
| const HtmlWebpackPlugin = require("html-webpack-plugin"); | ||
| module.exports = { | ||
| entry: path.resolve("${path.join( | ||
| sourceDir, | ||
| path.dirname(libBuildfilePath), | ||
| entry | ||
| )}"), | ||
| output: { | ||
| filename: "bundle.js", | ||
| path: path.resolve("${outputBundleDir}"), | ||
| publicPath: "/", | ||
| ${ | ||
| optionalLibrary | ||
| ? `library: "${libraryName}", | ||
| libraryTarget: "${libraryTarget}", | ||
| ` | ||
| : "" | ||
| } | ||
| }, | ||
| mode: "${mode}", | ||
| target: "${target}", | ||
| module: { | ||
| rules: [ | ||
| { | ||
| oneOf: [ | ||
| { | ||
| test: /\\.module\\.css$/, | ||
| use: [ | ||
| "style-loader", | ||
| { | ||
| loader: "css-loader", | ||
| options: { | ||
| importLoaders: 1, | ||
| modules: true, | ||
| camelCase: true | ||
| } | ||
| }, | ||
| "postcss-loader" | ||
| ] | ||
| }, | ||
| { | ||
| test: /\\.module\\.scss$/, | ||
| use: [ | ||
| "style-loader", | ||
| { | ||
| loader: "css-loader", | ||
| options: { | ||
| importLoaders: 2, | ||
| modules: true, | ||
| camelCase: true | ||
| } | ||
| }, | ||
| "postcss-loader", | ||
| "sass-loader" | ||
| ] | ||
| }, | ||
| { | ||
| test: /\\.css$/, | ||
| use: [ | ||
| "style-loader", | ||
| { | ||
| loader: "css-loader", | ||
| options: { | ||
| importLoaders: 1 | ||
| } | ||
| }, | ||
| "postcss-loader" | ||
| ] | ||
| }, | ||
| { | ||
| test: /\\.scss$/, | ||
| use: [ | ||
| "style-loader", | ||
| { | ||
| loader: "css-loader", | ||
| options: { | ||
| importLoaders: 2 | ||
| } | ||
| }, | ||
| "postcss-loader", | ||
| "sass-loader" | ||
| ] | ||
| }, | ||
| { | ||
| // Exclude \`js\` files to keep "css" loader working as it injects | ||
| // its runtime that would otherwise be processed through "file" loader. | ||
| // Also exclude \`html\` and \`json\` extensions so they get processed | ||
| // by webpacks internal loaders. | ||
| exclude: [/\\.(js|jsx|mjs)$/, /\\.html$/, /\\.json$/], | ||
| use: "file-loader" | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| }, | ||
| // Some libraries import Node modules but don't use them in the browser. | ||
| // Tell Webpack to provide empty mocks for them so importing them works. | ||
| node: | ||
| ${JSON.stringify( | ||
| target.indexOf("node") === -1 | ||
| ? { | ||
| dgram: "empty", | ||
| fs: "empty", | ||
| net: "empty", | ||
| tls: "empty", | ||
| child_process: "empty" | ||
| } | ||
| : {}, | ||
| null, | ||
| 2 | ||
| )}, | ||
| resolve: { | ||
| modules: [ | ||
| path.resolve("${path.join(installedNpmPackagesDir, "node_modules")}") | ||
| ] | ||
| }, | ||
| resolveLoader: { | ||
| modules: [ | ||
| path.resolve("${path.join(loadersNpmPackagesDir, "node_modules")}") | ||
| ] | ||
| }, | ||
| plugins: [ | ||
| new HtmlWebpackPlugin({ | ||
| template: path.resolve("${htmlTemplatePath}"), | ||
| inject: true | ||
| }), | ||
| ${ | ||
| // Chunk splitting is enabled by default. | ||
| splitChunks | ||
| ? "" | ||
| : `new webpack.optimize.LimitChunkCountPlugin({ | ||
| maxChunks: 1 | ||
| }),` | ||
| } | ||
| ] | ||
| }; | ||
| `; | ||
|
|
||
| fs.writeFileSync(webpackConfigPath, config, "utf8"); |
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