asdf-browser-template/gulpfile.js

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JavaScript
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2020-04-15 15:28:42 +02:00
var gulp = require('gulp')
const tsify = require('tsify');
var 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 html = () => {
return gulp.src('src/index.html')
.pipe(htmlvalidator())
.pipe(htmlmin({
removeComments: true,
collapseWhitespace: true,
collapseBooleanAttributes: true,
collapseInlineTagWhitespace: true,
removeRedundantAttributes: 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'));
};
exports.default = gulp.parallel(js, html);