99 lines
2.8 KiB
JavaScript
99 lines
2.8 KiB
JavaScript
const closureCompiler = require('google-closure-compiler').gulp(),
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concat = require('gulp-concat'),
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gulp = require('gulp'),
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path = require('path'),
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workers = [];
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class JSWorker {
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constructor(config, helper) {
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this.config = config;
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this.helper = helper.clone();
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if (!this.config.name) {
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throw Error("Found Empty name for JS Job...");
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}
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this.validateConfig();
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this.input = this.helper.replaceVariables(this.config.input);
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this.helper.addConfigItem("$name", this.config.name);
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this.helper.addConfigItem("$", this.input);
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this.getCompilerConfig();
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this.out = this.helper.replaceVariables(this.config.output);
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this.watch = this.helper.replaceVariables(this.config.watch || '$/**/*.js');
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this.prepareFiles(this.config.files)
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this.path = path.parse(this.out);
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this.path = this.path.dir + "/" + this.path.base + "/";
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gulp.task(this.taskName, this.work.bind(this));
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}
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validateConfig() {
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let config = this.config;
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config.onlyMinify = config.onlyMinify || false;
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config.minify = config.minify || false;
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if (!this.config.input || !this.config.output || !this.config.files) {
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throw Error("Invalid Config for: " + this.config.name + ")");
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}
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}
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getCompilerConfig() {
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this.compiler = {
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compilation_level: 'SIMPLE',
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warning_level: 'VERBOSE',
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language_in: 'ECMASCRIPT6_STRICT',
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language_out: 'ECMASCRIPT6_STRICT',
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js_output_file: this.config.name + ".min.js"
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}
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if (this.config.compiler) {
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this.compiler = Object.assign(this.compiler, this.config.compiler);
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}
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this.compiler.js_output_file = this.helper.replaceVariables(this.compiler.js_output_file);
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}
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startWatch() {
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gulp.watch([this.watch, ...this.files], gulp.parallel([this.taskName]));
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}
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get taskName() {
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return `js-${this.config.name}`;
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}
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prepareFiles(files) {
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this.files = [];
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for (const file of files) {
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this.files.push(this.input + "/" + this.helper.replaceVariables(file));
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}
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}
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work() {
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let d = gulp.src(this.files).pipe(concat(this.config.name + '.js'))
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if (!this.config.onlyMinify) {
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d.pipe(gulp.dest(this.path.dir));
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}
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if (this.config.minify) {
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d.pipe(closureCompiler(this.compiler)).pipe(gulp.dest(this.path.dir));
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}
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return d;
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}
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}
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module.exports = {
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build: function () {
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let array = [];
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for (let worker of workers) {
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array.push(worker.taskName);
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}
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return array;
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},
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prepare: function (config) {
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// we load the json and parse it here
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const js = config.js || [];
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for (let jsConfig of js) {
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const worker = new JSWorker(jsConfig, config.helper);
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workers.push(worker);
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}
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},
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startWatch: function () {
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for (let worker of workers) {
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worker.startWatch();
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}
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}
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}
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