var gulp = require('gulp'); var concat = require('gulp-concat'); var connect = require('gulp-connect'); var eslint = require('gulp-eslint'); var file = require('gulp-file'); var htmlv = require('gulp-html-validator'); var insert = require('gulp-insert'); var replace = require('gulp-replace'); var size = require('gulp-size'); var streamify = require('gulp-streamify'); var uglify = require('gulp-uglify'); var util = require('gulp-util'); var zip = require('gulp-zip'); var exec = require('child-process-promise').exec; var karma = require('karma'); var browserify = require('browserify'); var source = require('vinyl-source-stream'); var merge = require('merge-stream'); var collapse = require('bundle-collapser/plugin'); var argv = require('yargs').argv var path = require('path'); var package = require('./package.json'); var srcDir = './src/'; var outDir = './dist/'; var header = "/*!\n" + " * Chart.js\n" + " * http://chartjs.org/\n" + " * Version: {{ version }}\n" + " *\n" + " * Copyright 2017 Nick Downie\n" + " * Released under the MIT license\n" + " * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md\n" + " */\n"; gulp.task('bower', bowerTask); gulp.task('build', buildTask); gulp.task('package', packageTask); gulp.task('watch', watchTask); gulp.task('lint', lintTask); gulp.task('docs', docsTask); gulp.task('test', ['lint', 'validHTML', 'unittest']); gulp.task('size', ['library-size', 'module-sizes']); gulp.task('server', serverTask); gulp.task('validHTML', validHTMLTask); gulp.task('unittest', unittestTask); gulp.task('library-size', librarySizeTask); gulp.task('module-sizes', moduleSizesTask); gulp.task('_open', _openTask); gulp.task('dev', ['server', 'default']); gulp.task('default', ['build', 'watch']); /** * Generates the bower.json manifest file which will be pushed along release tags. * Specs: https://github.com/bower/spec/blob/master/json.md */ function bowerTask() { var json = JSON.stringify({ name: package.name, description: package.description, homepage: package.homepage, license: package.license, version: package.version, main: outDir + "Chart.js", ignore: [ '.github', '.codeclimate.yml', '.gitignore', '.npmignore', '.travis.yml', 'scripts' ] }, null, 2); return file('bower.json', json, { src: true }) .pipe(gulp.dest('./')); } function buildTask() { var bundled = browserify('./src/chart.js', { standalone: 'Chart' }) .plugin(collapse) .bundle() .pipe(source('Chart.bundle.js')) .pipe(insert.prepend(header)) .pipe(streamify(replace('{{ version }}', package.version))) .pipe(gulp.dest(outDir)) .pipe(streamify(uglify())) .pipe(insert.prepend(header)) .pipe(streamify(replace('{{ version }}', package.version))) .pipe(streamify(concat('Chart.bundle.min.js'))) .pipe(gulp.dest(outDir)); var nonBundled = browserify('./src/chart.js', { standalone: 'Chart' }) .ignore('moment') .plugin(collapse) .bundle() .pipe(source('Chart.js')) .pipe(insert.prepend(header)) .pipe(streamify(replace('{{ version }}', package.version))) .pipe(gulp.dest(outDir)) .pipe(streamify(uglify())) .pipe(insert.prepend(header)) .pipe(streamify(replace('{{ version }}', package.version))) .pipe(streamify(concat('Chart.min.js'))) .pipe(gulp.dest(outDir)); return merge(bundled, nonBundled); } function packageTask() { return merge( // gather "regular" files landing in the package root gulp.src([outDir + '*.js', 'LICENSE.md']), // since we moved the dist files one folder up (package root), we need to rewrite // samples src="../dist/ to src="../ and then copy them in the /samples directory. gulp.src('./samples/**/*', { base: '.' }) .pipe(streamify(replace(/src="((?:\.\.\/)+)dist\//g, 'src="$1'))) ) // finally, create the zip archive .pipe(zip('Chart.js.zip')) .pipe(gulp.dest(outDir)); } function lintTask() { var files = [ 'samples/**/*.js', 'src/**/*.js', 'test/**/*.js' ]; // NOTE(SB) codeclimate has 'complexity' and 'max-statements' eslint rules way too strict // compare to what the current codebase can support, and since it's not straightforward // to fix, let's turn them as warnings and rewrite code later progressively. var options = { rules: { 'complexity': [1, 10], 'max-statements': [1, 30] } }; return gulp.src(files) .pipe(eslint(options)) .pipe(eslint.format()) .pipe(eslint.failAfterError()); } function docsTask(done) { const script = require.resolve('gitbook-cli/bin/gitbook.js'); const cmd = process.execPath; exec([cmd, script, 'install', './'].join(' ')).then(() => { return exec([cmd, script, 'build', './', './dist/docs'].join(' ')); }).catch((err) => { console.error(err.stdout); }).then(() => { done(); }); } function validHTMLTask() { return gulp.src('samples/*.html') .pipe(htmlv()); } function startTest() { return [ {pattern: './test/fixtures/**/*.json', included: false}, {pattern: './test/fixtures/**/*.png', included: false}, './node_modules/moment/min/moment.min.js', './test/jasmine.index.js', './src/**/*.js', ].concat( argv.inputs ? argv.inputs.split(';') : ['./test/specs/**/*.js'] ); } function unittestTask(done) { new karma.Server({ configFile: path.join(__dirname, 'karma.conf.js'), singleRun: !argv.watch, files: startTest(), args: { coverage: !!argv.coverage } }, // https://github.com/karma-runner/gulp-karma/issues/18 function(error) { error = error ? new Error('Karma returned with the error code: ' + error) : undefined; done(error); }).start(); } function librarySizeTask() { return gulp.src('dist/Chart.bundle.min.js') .pipe(size({ gzip: true })); } function moduleSizesTask() { return gulp.src(srcDir + '**/*.js') .pipe(uglify()) .pipe(size({ showFiles: true, gzip: true })); } function watchTask() { if (util.env.test) { return gulp.watch('./src/**', ['build', 'unittest', 'unittestWatch']); } return gulp.watch('./src/**', ['build']); } function serverTask() { connect.server({ port: 8000 }); } // Convenience task for opening the project straight from the command line function _openTask() { exec('open http://localhost:8000'); exec('subl .'); }