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334 lines
9.3 KiB
334 lines
9.3 KiB
var fs = require('fs');
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var async = require('async');
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var gulp = require('gulp');
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var gutil = require('gulp-util');
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var concat = require('gulp-concat');
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var cleanCSS = require('gulp-clean-css');
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var rename = require("gulp-rename");
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var webpack = require('webpack');
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var uglify = require('uglify-js');
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var rimraf = require('rimraf');
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var argv = require('yargs').argv;
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var opn = require('opn');
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var exec = require('child_process').exec;
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var spawn = require('child_process').spawn;
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var webserver = require('gulp-webserver');
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var geminiConfig = require('./test/gemini/gemini.config.js');
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var ENTRY = './index.js';
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var HEADER = './lib/header.js';
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var DIST = './dist';
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var VIS_JS = 'vis.js';
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var VIS_MAP = 'vis.map';
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var VIS_MIN_JS = 'vis.min.js';
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var VIS_CSS = 'vis.css';
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var VIS_MIN_CSS = 'vis.min.css';
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var INDIVIDUAL_JS_BUNDLES = [{
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entry: './index-timeline-graph2d.js',
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filename: 'vis-timeline-graph2d.min.js'
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}, {
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entry: './index-network.js',
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filename: 'vis-network.min.js'
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}, {
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entry: './index-graph3d.js',
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filename: 'vis-graph3d.min.js'
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}];
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var INDIVIDUAL_CSS_BUNDLES = [{
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entry: ['./lib/shared/**/*.css', './lib/timeline/**/*.css'],
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filename: 'vis-timeline-graph2d.min.css'
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}, {
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entry: ['./lib/shared/**/*.css', './lib/network/**/*.css'],
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filename: 'vis-network.min.css'
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}];
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// generate banner with today's date and correct version
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function createBanner() {
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var today = gutil.date(new Date(), 'yyyy-mm-dd'); // today, formatted as yyyy-mm-dd
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var version = require('./package.json').version;
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return String(fs.readFileSync(HEADER))
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.replace('@@date', today)
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.replace('@@version', version);
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}
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var bannerPlugin = new webpack.BannerPlugin(createBanner(), {
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entryOnly: true,
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raw: true
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});
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var webpackModule = {
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loaders: [{
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test: /\.js$/,
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exclude: /node_modules/,
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loader: 'babel-loader',
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query: {
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cacheDirectory: true, // use cache to improve speed
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babelrc: true // use the .baberc file
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}
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}],
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// exclude requires of moment.js language files
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wrappedContextRegExp: /$^/
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};
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var webpackConfig = {
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entry: ENTRY,
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output: {
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library: 'vis',
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libraryTarget: 'umd',
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path: DIST,
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filename: VIS_JS,
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sourcePrefix: ' '
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},
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module: webpackModule,
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plugins: [bannerPlugin],
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cache: true,
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// generate details s tests: root + 'tests/',ourcempas of webpack modules
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devtool: 'source-map'
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//debug: true,
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//bail: true
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};
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var uglifyConfig = {
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outSourceMap: VIS_MAP,
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output: {
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comments: /@license/
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}
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};
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// create a single instance of the compiler to allow caching
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var compiler = webpack(webpackConfig);
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function handleCompilerCallback(err, stats) {
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if (err) {
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gutil.log(err.toString());
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}
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if (stats && stats.compilation && stats.compilation.errors) {
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// output soft errors
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stats.compilation.errors.forEach(function(err) {
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gutil.log(err.toString());
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});
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if (err || stats.compilation.errors.length > 0) {
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gutil.beep(); // TODO: this does not work on my system
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}
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}
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}
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function startDevWebserver(options, cb) {
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var opt = options || {};
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return gulp.src('./').pipe(webserver(Object.assign(opt, {
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path: '/',
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port: geminiConfig.webserver.port
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})));
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}
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// Starts a static webserver that serve files from the root-dir of the project
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// during development. This is also used for gemini-testing.
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gulp.task('webserver', function(cb) {
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startDevWebserver({
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livereload: true,
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directoryListing: true,
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open: true
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}, cb);
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});
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function runGemini(mode, cb) {
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var completed = false;
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var hasError = false;
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// start development webserver to server the test-files
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var server = startDevWebserver();
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// start phantomjs in webdriver mode
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var phantomjsProcess = spawn('phantomjs', [
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'--webdriver=' + geminiConfig.phantomjs.port
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]);
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// read output from the phantomjs process
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phantomjsProcess.stdout.on('data', function(data) {
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if (data.toString().indexOf('running on port') >= 0) {
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gutil.log("Started phantomjs webdriver");
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var geminiProcess = spawn('gemini', [mode, geminiConfig.gemini.tests]);
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geminiProcess.stdout.on('data', function(data) {
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var msg = data.toString().replace(/\n$/g, '');
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if (msg.startsWith('✓')) {
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gutil.log(gutil.colors.green(msg));
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} else if (msg.startsWith('✘')) {
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hasError = true;
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gutil.log(gutil.colors.red(msg));
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} else {
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gutil.log(msg);
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}
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});
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geminiProcess.stderr.on('data', function(data) {
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if (!(data.toString().indexOf('DeprecationWarning:') >= 0)) {
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hasError = true;
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gutil.log(gutil.colors.red(
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data.toString().replace(/\n$/g, '')
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));
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}
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});
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geminiProcess.on('close', function(code) {
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completed = true;
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phantomjsProcess.kill();
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});
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}
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});
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// Log all error output from the phantomjs process to the console
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phantomjsProcess.stderr.on('data', function(data) {
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gutil.log(gutil.colors.red(data));
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});
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// Cleanup after phantomjs closes
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phantomjsProcess.on('close', function(code) {
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gutil.log("Phantomjs webdriver stopped");
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if (code && !completed) {
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// phantomjs closed with an error
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server.emit('kill');
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return cb(new Error('✘ phantomjs failed with code: ' + code + '\n' +
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'Check that port ' + geminiConfig.phantomjs.port +
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' is free and that there are no other ' +
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'instances of phantomjs running. (`killall phantomjs`)'));
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}
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if (hasError) {
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// The tests returned with an error. Show the report. Keep dev-webserver running for debugging.
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gutil.log(gutil.colors.red("Opening error-report in webbrowser"));
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opn(geminiConfig.gemini.reports + 'index.html');
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} else {
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// The tests returned no error. Kill the dev-webserver and exit
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server.emit('kill');
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cb();
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}
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});
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}
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// Update the screenshots. Do this everytime you introduced a new test or introduced a major change.
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gulp.task('gemini-update', function(cb) {
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runGemini('update', cb);
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});
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// Test the current (dist) version against the existing screenshots.
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gulp.task('gemini-test', function(cb) {
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runGemini('test', cb);
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});
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// clean the dist/img directory
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gulp.task('clean', function(cb) {
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rimraf(DIST + '/img', cb);
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});
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gulp.task('bundle-js', function(cb) {
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// update the banner contents (has a date in it which should stay up to date)
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bannerPlugin.banner = createBanner();
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compiler.run(function(err, stats) {
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handleCompilerCallback(err, stats);
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cb();
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});
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});
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// create individual bundles for timeline+graph2d, network, graph3d
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gulp.task('bundle-js-individual', function(cb) {
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// update the banner contents (has a date in it which should stay up to date)
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bannerPlugin.banner = createBanner();
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async.each(INDIVIDUAL_JS_BUNDLES, function(item, callback) {
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var webpackTimelineConfig = {
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entry: item.entry,
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output: {
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library: 'vis',
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libraryTarget: 'umd',
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path: DIST,
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filename: item.filename,
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sourcePrefix: ' '
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},
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module: webpackModule,
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plugins: [bannerPlugin, new webpack.optimize.UglifyJsPlugin()],
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cache: true
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};
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var compiler = webpack(webpackTimelineConfig);
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compiler.run(function(err, stats) {
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handleCompilerCallback(err, stats);
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callback();
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});
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}, cb);
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});
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// bundle and minify css
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gulp.task('bundle-css', function() {
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return gulp.src('./lib/**/*.css')
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.pipe(concat(VIS_CSS))
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.pipe(gulp.dest(DIST))
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// TODO: nicer to put minifying css in a separate task?
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.pipe(cleanCSS())
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.pipe(rename(VIS_MIN_CSS))
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.pipe(gulp.dest(DIST));
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});
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// bundle and minify individual css
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gulp.task('bundle-css-individual', function(cb) {
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async.each(INDIVIDUAL_CSS_BUNDLES, function(item, callback) {
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return gulp.src(item.entry)
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.pipe(concat(item.filename))
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.pipe(cleanCSS())
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.pipe(rename(item.filename))
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.pipe(gulp.dest(DIST))
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.on('end', callback);
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}, cb);
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});
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gulp.task('copy', ['clean'], function() {
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var network = gulp.src('./lib/network/img/**/*')
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.pipe(gulp.dest(DIST + '/img/network'));
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return network;
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});
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gulp.task('minify', ['bundle-js'], function(cb) {
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var result = uglify.minify([DIST + '/' + VIS_JS], uglifyConfig);
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// note: we add a newline '\n' to the end of the minified file to prevent
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// any issues when concatenating the file downstream (the file ends
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// with a comment).
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fs.writeFileSync(DIST + '/' + VIS_MIN_JS, result.code + '\n');
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fs.writeFileSync(DIST + '/' + VIS_MAP, result.map.replace(/"\.\/dist\//g,
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'"'));
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cb();
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});
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gulp.task('bundle', ['bundle-js', 'bundle-js-individual', 'bundle-css',
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'bundle-css-individual', 'copy'
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]);
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// read command line arguments --bundle and --minify
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var bundle = 'bundle' in argv;
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var minify = 'minify' in argv;
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var watchTasks = [];
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if (bundle || minify) {
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// do bundling and/or minifying only when specified on the command line
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watchTasks = [];
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if (bundle) watchTasks.push('bundle');
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if (minify) watchTasks.push('minify');
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} else {
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// by default, do both bundling and minifying
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watchTasks = ['bundle', 'minify'];
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}
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// The watch task (to automatically rebuild when the source code changes)
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gulp.task('watch', watchTasks, function() {
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gulp.watch(['index.js', 'lib/**/*'], watchTasks);
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});
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// The default task (called when you run `gulp`)
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gulp.task('default', ['clean', 'bundle', 'minify']);
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