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'use strict';
const fs = require('fs');
const glob = require('glob');
const path = require('path');
const util = require('util');
const execSync = require('child_process').execSync;
function readTextFile(path) {
return fs.readFileSync(path, 'utf-8');
}
function writeFile(path, content) {
return fs.writeFileSync(path, content);
}
function getVersion() {
let build_info = process.env.BUILD_INFO;
if (build_info) {
return build_info.trim();
} else {
try {
build_info = execSync('git describe --always --dirty --long --tags')
.toString();
} catch (e) {
console.warn('Cannot find build version');
return 'unknown';
}
return build_info.trim();
}
}
function getConfig() {
let config = {
meta: {
version: getVersion(),
buildDate: new Date().toUTCString()
}
};
return config;
}
function copyFile(source, target) {
fs.createReadStream(source).pipe(fs.createWriteStream(target));
}
function minifyJs(path) {
return require('terser').minify(fs.readFileSync(path, 'utf-8'), {compress: {unused: false}}).code;
}
function minifyCss(css) {
return require('csso').minify(css).css;
}
function minifyHtml(html) {
return require('html-minifier').minify(html, {
removeComments: true,
collapseWhitespace: true,
conservativeCollapse: true,
}).trim();
}
function bundleHtml() {
const underscore = require('underscore');
const babelify = require('babelify');
const baseHtml = readTextFile('./html/index.htm', 'utf-8');
writeFile('./public/index.htm', minifyHtml(baseHtml));
glob('./html/**/*.tpl', {}, (er, files) => {
let compiledTemplateJs = '\'use strict\'\n';
compiledTemplateJs += 'let _ = require(\'underscore\');';
compiledTemplateJs += 'let templates = {};';
for (const file of files) {
const name = path.basename(file, '.tpl').replace(/_/g, '-');
const placeholders = [];
let templateText = readTextFile(file, 'utf-8');
templateText = templateText.replace(
/<%.*?%>/ig,
(match) => {
const ret = '%%%TEMPLATE' + placeholders.length;
placeholders.push(match);
return ret;
});
templateText = minifyHtml(templateText);
templateText = templateText.replace(
/%%%TEMPLATE(\d+)/g,
(match, number) => { return placeholders[number]; });
const functionText = underscore.template(
templateText, {variable: 'ctx'}).source;
compiledTemplateJs += `templates['${name}'] = ${functionText};`;
}
compiledTemplateJs += 'module.exports = templates;';
writeFile('./js/.templates.autogen.js', compiledTemplateJs);
console.info('Bundled HTML');
});
}
function bundleCss() {
const stylus = require('stylus');
glob('./css/**/*.styl', {}, (er, files) => {
let css = '';
for (const file of files) {
css += stylus.render(
readTextFile(file), {filename: file});
}
writeFile('./public/css/app.min.css', minifyCss(css));
copyFile(
'./node_modules/font-awesome/css/font-awesome.min.css',
'./public/css/vendor.min.css');
console.info('Bundled CSS');
});
}
function bundleJs() {
const browserify = require('browserify');
const external = [
'underscore',
'superagent',
'mousetrap',
'js-cookie',
'nprogress',
];
function writeJsBundle(b, path, message, compress) {
let outputFile = fs.createWriteStream(path);
b.bundle().pipe(outputFile);
outputFile.on('finish', function() {
if (compress) {
writeFile(path, minifyJs(path));
}
console.info(message);
});
}
glob('./js/**/*.js', {}, (er, files) => {
if (!process.argv.includes('--no-vendor-js')) {
let b = browserify();
for (let lib of external) {
b.require(lib);
}
if (!process.argv.includes('--no-transpile')) {
b.add(require.resolve('babel-polyfill'));
}
writeJsBundle(
b, './public/js/vendor.min.js', 'Bundled vendor JS', true);
}
if (!process.argv.includes('--no-app-js')) {
let outputFile = fs.createWriteStream('./public/js/app.min.js');
let b = browserify({debug: process.argv.includes('--debug')});
if (!process.argv.includes('--no-transpile')) {
b = b.transform('babelify');
}
writeJsBundle(
b.external(external).add(files),
'./public/js/app.min.js',
'Bundled app JS',
!process.argv.includes('--debug'));
}
});
}
function bundleConfig(config) {
writeFile(
'./js/.config.autogen.json', JSON.stringify(config));
glob('./node_modules/font-awesome/fonts/*.*', {}, (er, files) => {
for (let file of files) {
if (fs.lstatSync(file).isDirectory()) {
continue;
}
copyFile(file, path.join('./public/fonts/', path.basename(file)));
}
});
}
function bundleBinaryAssets() {
glob('./img/*.png', {}, (er, files) => {
for (let file of files) {
copyFile(file, path.join('./public/img/', path.basename(file)));
}
});
}
const config = getConfig();
bundleConfig(config);
bundleBinaryAssets();
if (!process.argv.includes('--no-html')) {
bundleHtml();
}
if (!process.argv.includes('--no-css')) {
bundleCss();
}
if (!process.argv.includes('--no-js')) {
bundleJs();
}
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