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gulpfile.js
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gulpfile.js
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function cloneObject(obj) {
if (obj === null || typeof obj !== 'object') {
return obj;
}
var temp = obj.constructor();
for (var key in obj) {
temp[key] = cloneObject(obj[key]);
}
return temp;
}
var gulp = require('gulp');
var rollup = require('rollup').rollup;
var gutil = require('gulp-util');
var rootDir = '.';
var srcDir = rootDir + '/src';
var distDir = rootDir + '/dist';
var unminfiedOptions = {
plugins: [require('rollup-plugin-buble')()],
bundleOptions: {
dest: distDir + '/youtube-api.js',
format: 'es',
sourceMap: true
}
};
var minifiedOptions = cloneObject(unminfiedOptions);
minifiedOptions.bundleOptions.dest = distDir + '/youtube-api.min.js';
minifiedOptions.plugins.push(require('rollup-plugin-uglify')());
function bundleScript(options) {
return new Promise((resolve, reject) => {
rollup({
entry: srcDir + '/youtube-api.js',
plugins: options.plugins
})
.then(function(bundle) {
bundle.write(options.bundleOptions);
resolve();
})
.catch(function(error) {
reject(error);
});
});
}
gulp.task('scripts', [], function(cb) {
var promises = [
bundleScript(unminfiedOptions),
bundleScript(minifiedOptions)
];
Promise.all(promises)
.then(function() {
cb();
})
.catch(function(error) {
gutil.log(error.message);
cb();
});
});
gulp.task('watch', ['default'], function() {
gulp.watch(srcDir + '/youtube-api.js', ['scripts']);
});
gulp.task('default', ['scripts']);