asdf-browser-template/gulpfile.js

87 lines
2.7 KiB
JavaScript

/* eslint-disable @typescript-eslint/no-var-requires */
const gulp = require("gulp");
const tsify = require("tsify");
const sourcemaps = require("gulp-sourcemaps");
const rename = require("gulp-rename");
const browserify = require("browserify");
const source = require("vinyl-source-stream");
const buffer = require("vinyl-buffer");
const terser = require("gulp-terser");
const eslint = require("gulp-eslint");
const babelify = require("babelify");
const htmlmin = require("gulp-html-minifier-terser");
const htmlvalidator = require("gulp-html");
const imagemin = require('gulp-imagemin');
const gulpif = require('gulp-if');
const clean = require('gulp-dest-clean');
const html = () => {
return gulp.src("src/index.html")
.pipe(htmlvalidator())
.pipe(htmlmin({
removeComments: true,
collapseWhitespace: true,
collapseBooleanAttributes: true,
collapseInlineTagWhitespace: true,
removeRedundantAttributes: true,
minifyCSS: true
}))
.pipe(gulp.dest("dist"));
};
const js = () => {
gulp.src(["src/**/*.ts", "!node_modules/**"])
.pipe(eslint({quiet: true}))
.pipe(eslint.results(results => {
// Called once for all ESLint results.
console.log("ESLint results:\n");
console.log(`Total Errors: ${results.errorCount}`);
let output = "";
results.forEach(file => {
output += file.filePath + "\n";
file.messages.forEach(message => {
output += " - " + message.message + " at " + message.line + ":" + message.column + "\n";
});
output += "\n";
});
console.error(output);
}))
.pipe(eslint.failAfterError());
return browserify("src/index.ts")
.plugin(tsify, { noImplicitAny: true, target: "es6" })
.transform(babelify, { extensions: [ ".tsx", ".ts" ] })
.bundle().on("error", (e) => console.error(e))
.pipe(source("output.js"))
.pipe(gulp.dest("dist"))
.pipe(buffer())
.pipe(sourcemaps.init())
.pipe(terser())
.pipe(rename({ extname: ".min.js" }))
.pipe(sourcemaps.write()) // Now the sourcemaps are added to the .js file
.pipe(gulp.dest("dist"));
};
const res = () => {
return gulp.src("src/res/*")
.pipe(clean("dist/res"))
.pipe(gulpif(
file => file.basename.match(/\.png|jpg|jpeg|gif|svg/gmi) !== [],
imagemin()
))
.pipe(gulp.dest("dist/res"));
};
exports.default = gulp.parallel(js, html, res);
exports.watch = () => {
console.log("Transpiling current files...");
js();
html();
res();
console.log("Watching for changes!");
gulp.watch(["src/**/*.js", "src/**/*.ts"], js);
gulp.watch("src/*.html", html);
gulp.watch("src/res/*", res);
};