client-freqwatch/Chart.js/gulpfile.js

   1 var gulp = require('gulp'),
   2         concat = require('gulp-concat'),
   3         uglify = require('gulp-uglify'),
   4         util = require('gulp-util'),
   5         jshint = require('gulp-jshint'),
   6         size = require('gulp-size'),
   7         connect = require('gulp-connect'),
   8         replace = require('gulp-replace'),
   9         htmlv = require('gulp-html-validator'),
  10         inquirer = require('inquirer'),
  11         semver = require('semver'),
  12         exec = require('child_process').exec,
  13         fs = require('fs'),
  14         package = require('./package.json'),
  15         bower = require('./bower.json');
  16
  17 var srcDir = './src/';
  18 /*
  19  *      Usage : gulp build --types=Bar,Line,Doughnut
  20  *      Output: - A built Chart.js file with Core and types Bar, Line and Doughnut concatenated together
  21  *                      - A minified version of this code, in Chart.min.js
  22  */
  23
  24 gulp.task('build', function(){
  25
  26         // Default to all of the chart types, with Chart.Core first
  27         var srcFiles = [FileName('Core')],
  28                 isCustom = !!(util.env.types),
  29                 outputDir = (isCustom) ? 'custom' : '.';
  30         if (isCustom){
  31                 util.env.types.split(',').forEach(function(type){ return srcFiles.push(FileName(type));});
  32         }
  33         else{
  34                 // Seems gulp-concat remove duplicates - nice!
  35                 // So we can use this to sort out dependency order - aka include Core first!
  36                 srcFiles.push(srcDir+'*');
  37         }
  38
  39         return gulp.src(srcFiles)
  40                 .pipe(concat('Chart.js'))
  41                 .pipe(replace('{{ version }}', package.version))
  42                 .pipe(gulp.dest(outputDir))
  43                 .pipe(uglify({preserveComments:'some'}))
  44                 .pipe(concat('Chart.min.js'))
  45                 .pipe(gulp.dest(outputDir));
  46
  47         function FileName(moduleName){
  48                 return srcDir+'Chart.'+moduleName+'.js';
  49         }
  50 });
  51
  52 /*
  53  *      Usage : gulp bump
  54  *      Prompts: Version increment to bump
  55  *      Output: - New version number written into package.json & bower.json
  56  */
  57
  58 gulp.task('bump', function(complete){
  59         util.log('Current version:', util.colors.cyan(package.version));
  60         var choices = ['major', 'premajor', 'minor', 'preminor', 'patch', 'prepatch', 'prerelease'].map(function(versionType){
  61                 return versionType + ' (v' + semver.inc(package.version, versionType) + ')';
  62         });
  63         inquirer.prompt({
  64                 type: 'list',
  65                 name: 'version',
  66                 message: 'What version update would you like?',
  67                 choices: choices
  68         }, function(res){
  69                 var increment = res.version.split(' ')[0],
  70                         newVersion = semver.inc(package.version, increment);
  71
  72                 // Set the new versions into the bower/package object
  73                 package.version = newVersion;
  74                 bower.version = newVersion;
  75
  76                 // Write these to their own files, then build the output
  77                 fs.writeFileSync('package.json', JSON.stringify(package, null, 2));
  78                 fs.writeFileSync('bower.json', JSON.stringify(bower, null, 2));
  79
  80                 complete();
  81         });
  82 });
  83
  84 gulp.task('release', ['build'], function(){
  85         exec('git tag -a v' + package.version);
  86 });
  87
  88 gulp.task('jshint', function(){
  89         return gulp.src(srcDir + '*.js')
  90                 .pipe(jshint())
  91                 .pipe(jshint.reporter('default'));
  92 });
  93
  94 gulp.task('valid', function(){
  95         return gulp.src('samples/*.html')
  96     .pipe(htmlv());
  97 });
  98
  99 gulp.task('library-size', function(){
 100         return gulp.src('Chart.min.js')
 101                 .pipe(size({
 102                         gzip: true
 103                 }));
 104 });
 105
 106 gulp.task('module-sizes', function(){
 107         return gulp.src(srcDir + '*.js')
 108         .pipe(uglify({preserveComments:'some'}))
 109         .pipe(size({
 110                 showFiles: true,
 111                 gzip: true
 112         }));
 113 });
 114
 115 gulp.task('watch', function(){
 116         gulp.watch('./src/*', ['build']);
 117 });
 118
 119 gulp.task('test', ['jshint', 'valid']);
 120
 121 gulp.task('size', ['library-size', 'module-sizes']);
 122
 123 gulp.task('default', ['build', 'watch']);
 124
 125 gulp.task('server', function(){
 126         connect.server({
 127                 port: 8000
 128         });
 129 });
 130
 131 // Convenience task for opening the project straight from the command line
 132 gulp.task('_open', function(){
 133         exec('open http://localhost:8000');
 134         exec('subl .');
 135 });
 136
 137 gulp.task('dev', ['server', 'default']);