Files
NativeScript/packages/webpack/templates/webpack.javascript.js
2020-08-27 19:43:42 -07:00

300 lines
11 KiB
JavaScript

const { join, relative, resolve, sep } = require("path");
const fs = require('fs');
const webpack = require("webpack");
const nsWebpack = require("@nativescript/webpack");
const nativescriptTarget = require("@nativescript/webpack/nativescript-target");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");
const CopyWebpackPlugin = require("copy-webpack-plugin");
const { BundleAnalyzerPlugin } = require("webpack-bundle-analyzer");
const { NativeScriptWorkerPlugin } = require("nativescript-worker-loader/NativeScriptWorkerPlugin");
const TerserPlugin = require("terser-webpack-plugin");
const hashSalt = Date.now().toString();
module.exports = env => {
// Add your custom Activities, Services and other android app components here.
const appComponents = env.appComponents || [];
appComponents.push(...[
"@nativescript/core/ui/frame",
"@nativescript/core/ui/frame/activity",
]);
const platform = env && (env.android && "android" || env.ios && "ios" || env.platform);
if (!platform) {
throw new Error("You need to provide a target platform!");
}
const platforms = ["ios", "android"];
const projectRoot = __dirname;
if (env.platform) {
platforms.push(env.platform);
}
// Default destination inside platforms/<platform>/...
const dist = resolve(projectRoot, nsWebpack.getAppPath(platform, projectRoot));
const {
// The 'appPath' and 'appResourcesPath' values are fetched from
// the nsconfig.json configuration file.
appPath = "src",
appResourcesPath = "App_Resources",
// You can provide the following flags when running 'tns run android|ios'
snapshot, // --env.snapshot
production, // --env.production
uglify, // --env.uglify
report, // --env.report
sourceMap, // --env.sourceMap
hiddenSourceMap, // --env.hiddenSourceMap
hmr, // --env.hmr,
unitTesting, // --env.unitTesting,
testing, // --env.testing
verbose, // --env.verbose
snapshotInDocker, // --env.snapshotInDocker
skipSnapshotTools, // --env.skipSnapshotTools
compileSnapshot // --env.compileSnapshot
} = env;
const useLibs = compileSnapshot;
const isAnySourceMapEnabled = !!sourceMap || !!hiddenSourceMap;
const externals = nsWebpack.getConvertedExternals(env.externals);
let appFullPath = resolve(projectRoot, appPath);
if (!fs.existsSync(appFullPath)) {
// some apps use 'app' directory
appFullPath = resolve(projectRoot, 'app');
}
const hasRootLevelScopedModules = nsWebpack.hasRootLevelScopedModules({ projectDir: projectRoot });
let coreModulesPackageName = "tns-core-modules";
const alias = env.alias || {};
alias['~/package.json'] = resolve(projectRoot, 'package.json');
alias['~'] = appFullPath;
if (hasRootLevelScopedModules) {
coreModulesPackageName = "@nativescript/core";
alias["tns-core-modules"] = coreModulesPackageName;
}
const appResourcesFullPath = resolve(projectRoot, appResourcesPath);
const copyIgnore = { ignore: [`${relative(appPath, appResourcesFullPath)}/**`] };
const entryModule = nsWebpack.getEntryModule(appFullPath, platform);
const entryPath = `.${sep}${entryModule}.js`;
const entries = env.entries || {};
entries.bundle = entryPath;
const areCoreModulesExternal = Array.isArray(env.externals) && env.externals.some(e => e.indexOf("@nativescript") > -1);
if (platform === "ios" && !areCoreModulesExternal && !testing) {
entries["tns_modules/@nativescript/core/inspector_modules"] = "inspector_modules";
};
let sourceMapFilename = nsWebpack.getSourceMapFilename(hiddenSourceMap, __dirname, dist);
const itemsToClean = [`${dist}/**/*`];
if (platform === "android") {
itemsToClean.push(`${join(projectRoot, "platforms", "android", "app", "src", "main", "assets", "snapshots")}`);
itemsToClean.push(`${join(projectRoot, "platforms", "android", "app", "build", "configurations", "nativescript-android-snapshot")}`);
}
nsWebpack.processAppComponents(appComponents, platform);
const config = {
mode: production ? "production" : "development",
context: appFullPath,
externals,
watchOptions: {
ignored: [
appResourcesFullPath,
// Don't watch hidden files
"**/.*",
]
},
target: nativescriptTarget,
entry: entries,
output: {
pathinfo: false,
path: dist,
sourceMapFilename,
libraryTarget: "commonjs2",
filename: "[name].js",
globalObject: "global",
hashSalt
},
resolve: {
extensions: [".js", ".scss", ".css"],
// Resolve {N} system modules from @nativescript/core
modules: [
resolve(__dirname, `node_modules/${coreModulesPackageName}`),
resolve(__dirname, "node_modules"),
`node_modules/${coreModulesPackageName}`,
"node_modules",
],
alias,
// resolve symlinks to symlinked modules
symlinks: true
},
resolveLoader: {
// don't resolve symlinks to symlinked loaders
symlinks: false
},
node: {
// Disable node shims that conflict with NativeScript
"http": false,
"timers": false,
"setImmediate": false,
"fs": "empty",
"__dirname": false,
},
devtool: hiddenSourceMap ? "hidden-source-map" : (sourceMap ? "inline-source-map" : "none"),
optimization: {
runtimeChunk: "single",
noEmitOnErrors: true,
splitChunks: {
cacheGroups: {
vendor: {
name: "vendor",
chunks: "all",
test: (module, chunks) => {
const moduleName = module.nameForCondition ? module.nameForCondition() : '';
return /[\\/]node_modules[\\/]/.test(moduleName) ||
appComponents.some(comp => comp === moduleName);
},
enforce: true,
},
}
},
minimize: !!uglify,
minimizer: [
new TerserPlugin({
parallel: true,
cache: true,
sourceMap: isAnySourceMapEnabled,
terserOptions: {
output: {
comments: false,
semicolons: !isAnySourceMapEnabled
},
compress: {
// The Android SBG has problems parsing the output
// when these options are enabled
'collapse_vars': platform !== "android",
sequences: platform !== "android",
}
}
})
],
},
module: {
rules: [
{
include: join(appFullPath, entryPath),
use: [
// Require all Android app components
platform === "android" && {
loader: "@nativescript/webpack/helpers/android-app-components-loader",
options: { modules: appComponents }
},
{
loader: "@nativescript/webpack/bundle-config-loader",
options: {
loadCss: !snapshot, // load the application css if in debug mode
unitTesting,
appFullPath,
projectRoot,
ignoredFiles: nsWebpack.getUserDefinedEntries(entries, platform)
}
},
].filter(loader => !!loader)
},
{
test: /\.(js|css|scss|html|xml)$/,
use: "@nativescript/webpack/hmr/hot-loader"
},
{ test: /\.(html|xml)$/, use: "@nativescript/webpack/helpers/xml-namespace-loader" },
{
test: /\.css$/,
use: "@nativescript/webpack/helpers/css2json-loader"
},
{
test: /\.scss$/,
use: [
"@nativescript/webpack/helpers/css2json-loader",
"sass-loader"
]
},
]
},
plugins: [
// Define useful constants like TNS_WEBPACK
new webpack.DefinePlugin({
"global.TNS_WEBPACK": "true",
"global.isAndroid": platform === 'android',
"global.isIOS": platform === 'ios',
"process": "global.process",
}),
// Remove all files from the out dir.
new CleanWebpackPlugin({
cleanOnceBeforeBuildPatterns: itemsToClean,
verbose: !!verbose
}),
// Copy assets
new CopyWebpackPlugin({
patterns: [
{ from: 'assets/**', noErrorOnMissing: true, globOptions: { dot: false, ...copyIgnore } },
{ from: 'fonts/**', noErrorOnMissing: true, globOptions: { dot: false, ...copyIgnore } },
{ from: '**/*.jpg', noErrorOnMissing: true, globOptions: { dot: false, ...copyIgnore } },
{ from: '**/*.png', noErrorOnMissing: true, globOptions: { dot: false, ...copyIgnore } },
],
}),
new nsWebpack.GenerateNativeScriptEntryPointsPlugin("bundle"),
// For instructions on how to set up workers with webpack
// check out https://github.com/nativescript/worker-loader
new NativeScriptWorkerPlugin(),
new nsWebpack.PlatformFSPlugin({
platform,
platforms,
}),
// Does IPC communication with the {N} CLI to notify events when running in watch mode.
new nsWebpack.WatchStateLoggerPlugin()
],
};
if (report) {
// Generate report files for bundles content
config.plugins.push(new BundleAnalyzerPlugin({
analyzerMode: "static",
openAnalyzer: false,
generateStatsFile: true,
reportFilename: resolve(projectRoot, "report", `report.html`),
statsFilename: resolve(projectRoot, "report", `stats.json`),
}));
}
if (snapshot) {
config.plugins.push(new nsWebpack.NativeScriptSnapshotPlugin({
chunk: "vendor",
requireModules: [
"@nativescript/core/bundle-entry-points",
],
projectRoot,
webpackConfig: config,
snapshotInDocker,
skipSnapshotTools,
useLibs
}));
}
if (hmr) {
config.plugins.push(new webpack.HotModuleReplacementPlugin());
}
return config;
};