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Load expensive node modules lazily

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This commit is contained in:
Alexandru Dima
2020-12-22 19:55:56 +01:00
parent 277a8262e0
commit c1eb24b027
24 changed files with 298 additions and 235 deletions
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build/lib/optimize.js
+6 -5
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@@ -8,17 +8,12 @@ exports.minifyTask = exports.optimizeTask = exports.loaderConfig = void 0;
const es = require("event-stream");
const gulp = require("gulp");
const concat = require("gulp-concat");
const minifyCSS = require("gulp-cssnano");
const filter = require("gulp-filter");
const flatmap = require("gulp-flatmap");
const sourcemaps = require("gulp-sourcemaps");
const uglify = require("gulp-uglify");
const composer = require("gulp-uglify/composer");
const fancyLog = require("fancy-log");
const ansiColors = require("ansi-colors");
const path = require("path");
const pump = require("pump");
const terser = require("terser");
const VinylFile = require("vinyl");
const bundle = require("./bundle");
const i18n_1 = require("./i18n");
@@ -124,6 +119,7 @@ function optimizeTask(opts) {
const out = opts.out;
const fileContentMapper = opts.fileContentMapper || ((contents, _path) => contents);
return function () {
const sourcemaps = require('gulp-sourcemaps');
const bundlesStream = es.through(); // this stream will contain the bundled files
const resourcesStream = es.through(); // this stream will contain the resources
const bundleInfoStream = es.through(); // this stream will contain bundleInfo.json
@@ -171,6 +167,8 @@ exports.optimizeTask = optimizeTask;
* to have a file "context" to include our copyright only once per file.
*/
function uglifyWithCopyrights() {
const composer = require('gulp-uglify/composer');
const terser = require('terser');
const preserveComments = (f) => {
return (_node, comment) => {
const text = comment.value;
@@ -212,6 +210,9 @@ function uglifyWithCopyrights() {
function minifyTask(src, sourceMapBaseUrl) {
const sourceMappingURL = sourceMapBaseUrl ? ((f) => `${sourceMapBaseUrl}/${f.relative}.map`) : undefined;
return cb => {
const minifyCSS = require('gulp-cssnano');
const uglify = require('gulp-uglify');
const sourcemaps = require('gulp-sourcemaps');
const jsFilter = filter('**/*.js', { restore: true });
const cssFilter = filter('**/*.css', { restore: true });
pump(gulp.src([src + '/**', '!' + src + '/**/*.map']), jsFilter, sourcemaps.init({ loadMaps: true }), uglifyWithCopyrights(), jsFilter.restore, cssFilter, minifyCSS({ reduceIdents: false }), cssFilter.restore, sourcemaps.mapSources((sourcePath) => {