Squashed 'lib/vis/' content from commit 1d029ca

git-subtree-dir: lib/vis
git-subtree-split: 1d029cab7b527f3b292e95d550efbf784dac8699

gulpfile.js

@@ -0,0 +1,159 @@
+var fs = require('fs');
+var gulp = require('gulp');
+var gutil = require('gulp-util');
+var concat = require('gulp-concat');
+var minifyCSS = require('gulp-minify-css');
+var rename = require("gulp-rename");
+var webpack = require('webpack');
+var uglify = require('uglify-js');
+var rimraf = require('rimraf');
+var merge = require('merge-stream');
+var argv = require('yargs').argv;
+
+var ENTRY             = './index.js';
+var HEADER            = './lib/header.js';
+var DIST              = './dist';
+var VIS_JS            = 'vis.js';
+var VIS_MAP           = 'vis.map';
+var VIS_MIN_JS        = 'vis.min.js';
+var VIS_CSS           = 'vis.css';
+var VIS_MIN_CSS       = 'vis.min.css';
+
+// generate banner with today's date and correct version
+function createBanner() {
+  var today = gutil.date(new Date(), 'yyyy-mm-dd'); // today, formatted as yyyy-mm-dd
+  var version = require('./package.json').version;
+
+  return String(fs.readFileSync(HEADER))
+      .replace('@@date', today)
+      .replace('@@version', version);
+}
+
+var bannerPlugin = new webpack.BannerPlugin(createBanner(), {
+  entryOnly: true,
+  raw: true
+});
+
+// TODO: the moment.js language files should be excluded by default (they are quite big)
+var webpackConfig = {
+  entry: ENTRY,
+  output: {
+    library: 'vis',
+    libraryTarget: 'umd',
+    path: DIST,
+    filename: VIS_JS,
+    sourcePrefix: '  '
+  },
+  // exclude requires of moment.js language files
+  module: {
+    wrappedContextRegExp: /$^/
+  },
+  plugins: [ bannerPlugin ],
+  cache: true
+};
+
+var uglifyConfig = {
+  outSourceMap: VIS_MAP,
+  output: {
+    comments: /@license/
+  }
+};
+
+// create a single instance of the compiler to allow caching
+var compiler = webpack(webpackConfig);
+
+// clean the dist/img directory
+gulp.task('clean', function (cb) {
+  rimraf(DIST + '/img', cb);
+});
+
+gulp.task('bundle-js', ['clean'], function (cb) {
+  // update the banner contents (has a date in it which should stay up to date)
+  bannerPlugin.banner = createBanner();
+
+  compiler.run(function (err, stats) {
+    if (err) gutil.log(err);
+    cb();
+  });
+});
+
+// bundle and minify css
+gulp.task('bundle-css', ['clean'], function () {
+  var files = [
+    './lib/shared/activator.css',
+    './lib/shared/bootstrap.css',
+
+    './lib/timeline/component/css/timeline.css',
+    './lib/timeline/component/css/panel.css',
+    './lib/timeline/component/css/labelset.css',
+    './lib/timeline/component/css/itemset.css',
+    './lib/timeline/component/css/item.css',
+    './lib/timeline/component/css/timeaxis.css',
+    './lib/timeline/component/css/currenttime.css',
+    './lib/timeline/component/css/customtime.css',
+    './lib/timeline/component/css/animation.css',
+
+    './lib/timeline/component/css/dataaxis.css',
+    './lib/timeline/component/css/pathStyles.css',
+
+    './lib/network/css/network-manipulation.css',
+    './lib/network/css/network-navigation.css',
+    './lib/network/css/network-tooltip.css'
+  ];
+
+  return gulp.src(files)
+      .pipe(concat(VIS_CSS))
+      .pipe(gulp.dest(DIST))
+
+    // TODO: nicer to put minifying css in a separate task?
+      .pipe(minifyCSS())
+      .pipe(rename(VIS_MIN_CSS))
+      .pipe(gulp.dest(DIST));
+});
+
+gulp.task('copy', ['clean'], function () {
+  var network = gulp.src('./lib/network/img/**/*')
+      .pipe(gulp.dest(DIST + '/img/network'));
+
+  var timeline = gulp.src('./lib/timeline/img/**/*')
+      .pipe(gulp.dest(DIST + '/img/timeline'));
+
+  return merge(network, timeline);
+});
+
+gulp.task('minify', ['bundle-js'], function (cb) {
+  var result = uglify.minify([DIST + '/' + VIS_JS], uglifyConfig);
+
+  // note: we add a newline '\n' to the end of the minified file to prevent
+  //       any issues when concatenating the file downstream (the file ends
+  //       with a comment).
+  fs.writeFileSync(DIST + '/' + VIS_MIN_JS, result.code + '\n');
+  fs.writeFileSync(DIST + '/' + VIS_MAP, result.map);
+
+  cb();
+});
+
+gulp.task('bundle', ['bundle-js', 'bundle-css', 'copy']);
+
+// read command line arguments --bundle and --minify
+var bundle = 'bundle' in argv;
+var minify = 'minify' in argv;
+var watchTasks = [];
+if (bundle || minify) {
+  // do bundling and/or minifying only when specified on the command line
+  watchTasks = [];
+  if (bundle) watchTasks.push('bundle');
+  if (minify) watchTasks.push('minify');
+}
+else {
+  // by default, do both bundling and minifying
+  watchTasks = ['bundle', 'minify'];
+}
+
+// The watch task (to automatically rebuild when the source code changes)
+gulp.task('watch', watchTasks, function () {
+  gulp.watch(['index.js', 'lib/**/*'], watchTasks);
+});
+
+// The default task (called when you run `gulp`)
+gulp.task('default', ['clean', 'bundle', 'minify']);