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const {src, dest} = require('gulp'); |
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const {createGulpEsbuild} = require('gulp-esbuild'); |
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const concat = require('gulp-concat'); |
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const plumber = require('gulp-plumber'); |
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const terser = require('gulp-terser'); |
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const sass = require('gulp-sass')(require('sass')); |
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const postcss = require('gulp-postcss'); |
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const autoprefixer = require('autoprefixer'); |
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const cssnano = require('cssnano'); |
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const sourcemaps = require('gulp-sourcemaps'); |
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const livereload = require('gulp-livereload'); |
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const log = require('fancy-log'); |
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const packageImporter = require('node-sass-package-importer'); |
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|
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const getEsBuildOptions = (buildSourceMap = true) => { |
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const esbuildOptions = { |
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minify: false, |
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target: 'es2015', |
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bundle: false, |
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}; |
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|
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if (buildSourceMap) { |
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esbuildOptions.sourcemap = 'inline'; |
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} |
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|
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return esbuildOptions; |
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}; |
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|
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const devEsBuild = () => |
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createGulpEsbuild({ |
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incremental: true, |
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pipe : true, |
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}); |
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|
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const prodEsBuild = () => |
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createGulpEsbuild({ |
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pipe: true, |
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}); |
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|
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/** |
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* @param {string[]|string} sourceJsFiles |
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* @param {string} outputLocation |
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* @param {string} outputFileName |
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* @param {boolean} isProd |
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*/ |
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function getJsCompiler(sourceJsFiles, outputLocation, outputFileName, isProd) { |
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return function compileJS() { |
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let task = src(sourceJsFiles) |
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.pipe(plumber()) |
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.pipe(sourcemaps.init().on('error', log.error)) |
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.pipe(concat(outputFileName)) |
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// Save inline the source map, the terser will remove it in production. |
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.pipe(sourcemaps.write().on('error', log.error)); |
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|
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if (isProd) { |
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task = task.pipe(prodEsBuild()(getEsBuildOptions(false))); |
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} else { |
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task = task.pipe(devEsBuild()(getEsBuildOptions(true))); |
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} |
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|
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if (isProd) { |
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task = task.pipe(terser({toplevel: false})); |
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} else { |
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task = task.pipe(livereload()); |
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} |
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|
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task = task.pipe(dest(outputLocation)); |
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|
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return task; |
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}; |
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} |
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|
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|
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function getPostCssPlugins(isProd = false) { |
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// The postcss plugins will read from package.json for the browserslist. |
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const postCssPlugins = [ |
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// Add auto-prefixer to remove outdated vendor prefixes. |
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autoprefixer({remove: true}), |
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]; |
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|
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if (isProd) { |
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postCssPlugins.push( |
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cssnano({ |
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preset: [ |
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'default', |
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{ |
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discardComments: { |
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removeAll: true, |
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}, |
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}, |
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], |
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}), |
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); |
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} |
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|
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return postCssPlugins; |
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} |
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|
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function getSCSSCompiler(sourceScssFiles, outputLocation, isProd = false) { |
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return function compileCss() { |
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let task = src(sourceScssFiles) |
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.pipe(plumber()); |
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|
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if (!isProd) { |
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task = task.pipe(sourcemaps.init()); |
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} |
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|
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task = task.pipe( |
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sass.sync({ |
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outputStyle: isProd ? 'compressed' : 'expanded', |
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importer : packageImporter(), |
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}) |
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.on('error', sass.logError), |
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) |
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.pipe(postcss(getPostCssPlugins(isProd))); |
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|
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if (!isProd) { |
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task = task.pipe(sourcemaps.write('./')); |
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} |
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|
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task = task.pipe(dest(outputLocation)); |
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|
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if (!isProd) { |
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task = task.pipe(livereload()); |
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} |
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|
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return task; |
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}; |
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} |
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|
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module.exports = { |
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getJsCompiler, |
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getSCSSCompiler, |
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}; |
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