buildmatrix - gulp

gulpfile.js

var gulp = require('gulp');
var webpackStream = require('webpack-stream');
var named = require('vinyl-named');
var argv = require('yargs').argv;
var glob = require("glob");
var path = require("path");
var plumber = require('gulp-plumber');
var format = require('string-format');
var webpack = require("webpack");
var gutil = require('gulp-util');
var CommonsChunkPlugin = require("webpack/lib/optimize/CommonsChunkPlugin");


format.extend(String.prototype);


function getSrcByParam() {
    var commonPath = 'frontend/apps/{}/main-**.js';
    if (argv.all) {
        return glob.sync(commonPath.format('*'));
    } else {
        var appName = argv.app;
        return glob.sync(commonPath.format(appName));
    }
}

function getEntries() {
    var commonPath = 'frontend/apps/*/main-**.js';

    var result = {};
    var globs = glob.sync(commonPath);
    for (var entry in globs) {
        var re = /frontend\/apps\/(\w+)\//g;
        reResult = re.exec(globs[entry]);
        result[reResult[reResult.length - 1]] = './' + globs[entry];
    }
    return result;
}

var commonLoaders = [{
    test: /\.js$/,
    exclude: /node_modules/,
    loader: 'babel'
}, {
    test: /\.jsx$/,
    exclude: /node_modules/,
    loader: 'babel'
}];
var commonPlugins = [
    new webpack.ProvidePlugin({
        'fetch': 'imports?this=>global!exports?global.fetch!whatwg-fetch'
    })
]

gulp.task("build", function(callback) {
    if (argv.production) {
        var config = {
            entry: getEntries(),
            output: {
                path: path.join(__dirname, "static/build"),
                filename: "[name].entry.js"
            },
            plugins: [
                new CommonsChunkPlugin("commons.chunk.js"),
                new webpack.optimize.UglifyJsPlugin({
                    minimize: true
                })
            ] + commonPlugins,
            module: {
                loaders: commonLoaders
            }
        };
        webpack(config, function(err, stats) {
            if (err) throw new gutil.PluginError("webpack", err);
            gutil.log("[webpack]", stats.toString());
            callback();
        });
    } else {
        return gulp.src(getSrcByParam())
            .pipe(named())
            .pipe(webpackStream({
                module: {
                    loaders: commonLoaders
                },
                plugins: commonPlugins
            }))
            .pipe(gulp.dest('static/build/'));
    }
});

gulp.task('watch',['build'], function () {
    gulp.watch('frontend/**/*' , ['build']);
});