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gulpfile.js
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gulpfile.js
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const babel = require('gulp-babel');
const clean = require('gulp-clean');
const eslint = require('gulp-eslint');
const gulp = require('gulp');
const pjson = require('./package.json');
const rename = require('gulp-rename');
const replace = require('gulp-string-replace');
const sourcemaps = require('gulp-sourcemaps');
const terser = require('gulp-terser');
// Clean dist directory
gulp.task('clean', () => {
return gulp.src('dist', {
read: false,
allowEmpty: true
})
.pipe(clean());
});
// Lint source
gulp.task('lint', () => {
return gulp.src(['src/*.js'])
.pipe(eslint())
// eslint.format() outputs the lint results to the console.
.pipe(eslint.format())
// To have the process exit with an error code (1) on
// lint error, return the stream and pipe to failAfterError last.
.pipe(eslint.failAfterError());
});
// Copy source file to dist directory
gulp.task('copy', () => {
return gulp.src('src/*.js')
.pipe(replace(/1\.0\.0/g, pjson.version))
.pipe(gulp.dest('dist'));
});
// Transpile es6 to es2015 for dist
gulp.task('transpile', function () {
return gulp.src('src/*.js')
.pipe(replace(/1\.0\.0/g, pjson.version))
.pipe(babel({
presets: ['@babel/preset-env']
}))
.pipe(rename((path) => {
path.basename += '.es5';
}))
.pipe(gulp.dest('dist'));
});
// Minify es6 source for dist
gulp.task('minify', function () {
return gulp.src('src/*.js')
.pipe(replace(/1\.0\.0/g, pjson.version))
.pipe(sourcemaps.init())
.pipe(terser())
.pipe(sourcemaps.write('./'))
.pipe(rename((path) => {
if (path.extname === '.js') {
path.basename += '.min';
}
}))
.pipe(gulp.dest('dist'));
});
// Minify es2016 source for dist
gulp.task('minify-es5', function () {
return gulp.src('dist/noose.es5.js')
.pipe(replace(/1\.0\.0/g, pjson.version))
.pipe(sourcemaps.init())
.pipe(terser())
.pipe(sourcemaps.write('./'))
.pipe(rename((path) => {
if (path.extname === '.js') {
path.basename += '.min';
}
}))
.pipe(gulp.dest('dist'));
});
gulp.task('default', gulp.series('clean', 'lint', 'copy', 'transpile', 'minify', 'minify-es5'));