RenaiApp/gulpfile.js

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const { src, dest, watch, parallel } = require('gulp');
const ts = require('gulp-typescript');
const fs = require('fs');
const sourcemaps = require('gulp-sourcemaps');
const minimist = require('minimist');
const tsConfig = require('./tsconfig.json');
const webpack = require('webpack-stream');
const webpackConfig = require('./webpack.config');
const argv = minimist(process.argv);
const tsProject = ts.createProject('tsconfig.json');
function buildFrontend() {
let config = webpackConfig;
if (argv.dev) {
config = { ...config, ...{ mode: 'development' } };
}
if (argv.watch) {
config = { ...config, ...{ watch: true } };
}
return src(config.entry)
.pipe(webpack(config))
.pipe(dest(config.output.path));
}
function copyIndexHtml(cb) {
let indexHtml = 'index.prod.html';
if (argv.dev) {
indexHtml = 'index.dev.html';
}
fs.copyFileSync(indexHtml, 'index.html');
cb();
}
function transpileTypescript() {
return tsProject
.src()
.pipe(sourcemaps.init())
.pipe(tsProject())
.pipe(sourcemaps.write('.'))
.pipe(dest('.'));
}
function build(cb) {
if (argv.watch) {
watch(tsConfig.include, { ignoreInitial: false }, transpileTypescript);
watch('index.*.html', { ignoreInitial: false }, copyIndexHtml);
buildFrontend();
} else {
parallel(transpileTypescript, copyIndexHtml, buildFrontend)(cb);
}
}
build.flags = {
'--dev': 'builds in development mode',
'--watch': 'watches the files',
};
exports.build = build;