gulpfile.js

   1 var gulp = require('gulp');
   2 var plugins = require('gulp-load-plugins')();
   3 var karma = require('karma').server;
   4 var path = require('path');
   5
   6 var dev = false;
   7 var src = {
   8   base: "src",
   9   polyfills: {
  10     base: "src/polyfills",
  11     files: [
  12       "console.js",
  13       "dashed-canvas.js"
  14     ]
  15   },
  16   main: {
  17     base: "src",
  18     files: [
  19       "dygraph-options.js",
  20       "dygraph-layout.js",
  21       "dygraph-canvas.js",
  22       "dygraph.js",
  23       "dygraph-utils.js",
  24       "dygraph-gviz.js",
  25       "dygraph-interaction-model.js",
  26       "dygraph-tickers.js",
  27       "dygraph-plugin-base.js"
  28     ]
  29   } ,
  30   plugins: {
  31     base: "src/plugins",
  32     files: [
  33       "annotations.js",
  34       "axes.js",
  35       "chart-labels.js",
  36       "grid.js",
  37       "legend.js",
  38       "range-selector.js",
  39       "../dygraph-plugin-install.js"
  40     ]
  41   },
  42   // Only used by dynamic loader
  43   devOptions: {
  44     base: "src",
  45     files: ["dygraph-options-reference.js"]
  46   },
  47   datahandlers: {
  48     base: "src/datahandler",
  49     files: [
  50       "datahandler.js",
  51       "default.js",
  52       "default-fractions.js",
  53       "bars.js",
  54       "bars-error.js",
  55       "bars-custom.js",
  56       "bars-fractions.js"
  57     ]
  58   }
  59 };
  60
  61 // Convenience function to merge multiple arrays into one
  62 var mergePaths = function() {
  63   var paths = [];
  64   var pathobj = null;
  65   if (arguments.length > 0) {
  66     for (var i = 0; i < arguments.length; i++) {
  67       pathObj = arguments[i];
  68       pathObj.files.map(function(filename) {
  69         paths.push(path.join(pathObj.base, filename));
  70       });
  71     }
  72
  73     return paths;
  74   } else {
  75     return [];
  76   }
  77 };
  78
  79 var copyright = '/*! @license Copyright 2015 Dan Vanderkam (danvdk@gmail.com) MIT-licensed (http://opensource.org/licenses/MIT) */';
  80
  81 /*
  82 // Creates the dygraph-autoloader
  83 gulp.task('create-loader', function() {
  84   // Create string ready for javascript array
  85   var files = mergePaths(src.lib, src.main, src.plugins, src.devOptions, src.datahandlers)
  86     .map(function(filename) {
  87       // Make the path relative to dist file and add quotes
  88       return "'" + filename.replace(src.base, '../../' + src.base) + "'";
  89     })
  90     .join(",");
  91
  92   return gulp.src(src.base + '../dygraph/dygraph-autoloader.js')
  93     .pipe(plugins.replace(/\/\* REPLACEME \*\//, files))
  94     .pipe(gulp.dest('dist/scratch'));
  95 });
  96 */
  97
  98 gulp.task('create-dev', function() {
  99   var dest = 'dist';
 100   return gulp.src(mergePaths(src.polyfills, src.main, src.plugins, src.devOptions, src.datahandlers), {base: '.'})
 101     .pipe(plugins.sourcemaps.init({debug:true}))
 102     .pipe(plugins.concat('dygraph-combined-dev.js'))
 103     .pipe(plugins.header(copyright))
 104     .pipe(plugins.sourcemaps.write('.'))  // '.' = external sourcemap
 105     .pipe(gulp.dest(dest));
 106 });
 107
 108 gulp.task('concat', function() {
 109   var dest = 'dist';
 110   return gulp.src(mergePaths(src.polyfills, src.main, src.plugins, src.datahandlers), {base: '.'})
 111      .pipe(plugins.sourcemaps.init())
 112      .pipe(plugins.concat('scratch'))
 113      .pipe(plugins.header(copyright))
 114      .pipe(gulp.dest(dest))
 115      .pipe(plugins.uglify({
 116       compress: {
 117         global_defs: { DEBUG: false }
 118       },
 119       warnings: false,
 120       preserveComments: "none"
 121      }))
 122      .pipe(plugins.header(copyright))
 123      .pipe(plugins.rename('dygraph-combined.js'))
 124      .pipe(plugins.sourcemaps.write('.'))
 125      .pipe(gulp.dest(dest));
 126
 127 });
 128
 129 gulp.task('gwt-dist', ['concat'], function() {
 130   // Copy package structure to dist folder
 131   gulp.src('gwt/**', {'base': '.'})
 132     .pipe(gulp.dest('dist'));
 133
 134   gulp.src('dygraph-combined.js')
 135     .pipe(gulp.dest('dist/gwt/org/danvk'));
 136
 137   // Generate jar
 138   gulp.src('')
 139     .pipe(plugins.shell([
 140       'bash -c "jar -cf dist/dygraph-gwt.jar -C dist/gwt org"'
 141     ]))
 142 });
 143
 144 gulp.task('test', ['concat', 'create-dev'], function(done) {
 145   karma.start({
 146     configFile: process.cwd() + '/auto_tests/karma.conf.js',
 147     singleRun: true
 148   }, done);
 149 });
 150
 151 gulp.task('coveralls', ['test'], plugins.shell.task([
 152   './scripts/transform-coverage.js ' +
 153       'dist/dygraph-combined-dev.js.map ' +
 154       'dist/coverage/report-lcov/lcov.info ' +
 155   '| ./node_modules/.bin/coveralls'
 156 ]));
 157
 158 gulp.task('watch', function() {
 159   gulp.watch('src/**', ['concat']);
 160 });
 161
 162 gulp.task('watch-test', function() {
 163   gulp.watch(['src/**', 'auto_tests/tests/**'], ['test']);
 164 });
 165
 166 gulp.task('dist', ['gwt-dist', 'concat', 'create-dev']);
 167 gulp.task('travis', ['test', 'coveralls']);
 168 gulp.task('default', ['test', 'dist']);