var gulp = require('gulp'), concat = require('gulp-concat'), uglify = require('gulp-uglify'), util = require('gulp-util'), jshint = require('gulp-jshint'), size = require('gulp-size'), connect = require('gulp-connect'), replace = require('gulp-replace'), htmlv = require('gulp-html-validator'), inquirer = require('inquirer'), semver = require('semver'), exec = require('child_process').exec, fs = require('fs'), package = require('./package.json'), bower = require('./bower.json'); var srcDir = './src/'; /* * Usage : gulp build --types=Bar,Line,Doughnut * Output: - A built Chart.js file with Core and types Bar, Line and Doughnut concatenated together * - A minified version of this code, in Chart.min.js */ gulp.task('build', function(){ // Default to all of the chart types, with Chart.Core first var srcFiles = [FileName('Core')], isCustom = !!(util.env.types), outputDir = (isCustom) ? 'custom' : '.'; if (isCustom){ util.env.types.split(',').forEach(function(type){ return srcFiles.push(FileName(type))}); } else{ // Seems gulp-concat remove duplicates - nice! // So we can use this to sort out dependency order - aka include Core first! srcFiles.push(srcDir+'*'); } return gulp.src(srcFiles) .pipe(concat('Chart.js')) .pipe(replace('{{ version }}', package.version)) .pipe(gulp.dest(outputDir)) .pipe(uglify({preserveComments:'some'})) .pipe(concat('Chart.min.js')) .pipe(gulp.dest(outputDir)); function FileName(moduleName){ return srcDir+'Chart.'+moduleName+'.js'; }; }); /* * Usage : gulp bump * Prompts: Version increment to bump * Output: - New version number written into package.json & bower.json */ gulp.task('bump', function(complete){ util.log('Current version:', util.colors.cyan(package.version)); var choices = ['major', 'premajor', 'minor', 'preminor', 'patch', 'prepatch', 'prerelease'].map(function(versionType){ return versionType + ' (v' + semver.inc(package.version, versionType) + ')'; }); inquirer.prompt({ type: 'list', name: 'version', message: 'What version update would you like?', choices: choices }, function(res){ var increment = res.version.split(' ')[0], newVersion = semver.inc(package.version, increment); // Set the new versions into the bower/package object package.version = newVersion; bower.version = newVersion; // Write these to their own files, then build the output fs.writeFileSync('package.json', JSON.stringify(package, null, 2)); fs.writeFileSync('bower.json', JSON.stringify(bower, null, 2)); complete(); }); }); gulp.task('release', ['build'], function(){ exec('git tag -a v' + package.version); }); gulp.task('jshint', function(){ return gulp.src(srcDir + '*.js') .pipe(jshint()) .pipe(jshint.reporter('default')); }); gulp.task('valid', function(){ return gulp.src('samples/*.html') .pipe(htmlv()); }); gulp.task('library-size', function(){ return gulp.src('Chart.min.js') .pipe(size({ gzip: true })); }); gulp.task('module-sizes', function(){ return gulp.src(srcDir + '*.js') .pipe(uglify({preserveComments:'some'})) .pipe(size({ showFiles: true, gzip: true })) }); gulp.task('watch', function(){ gulp.watch('./src/*', ['build']); }); gulp.task('test', ['jshint', 'valid']); gulp.task('size', ['library-size', 'module-sizes']); gulp.task('default', ['build', 'watch']); gulp.task('server', function(){ connect.server({ port: 8000 }); }); // Convenience task for opening the project straight from the command line gulp.task('_open', function(){ exec('open http://localhost:8000'); exec('subl .'); }); gulp.task('dev', ['server', 'default']);