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'),
insert = require('gulp-insert'),
inquirer = require('inquirer'),
semver = require('semver'),
exec = require('child_process').exec,
fs = require('fs'),
package = require('./package.json'),
bower = require('./bower.json'),
karma = require('gulp-karma'),
browserify = require('browserify'),
streamify = require('gulp-streamify'),
source = require('vinyl-source-stream'),
merge = require('merge-stream');
var srcDir = './src/';
var outDir = './dist/';
var header = "/*!\n" +
" * Chart.js\n" +
" * http://chartjs.org/\n" +
" * Version: {{ version }}\n" +
" *\n" +
" * Copyright 2016 Nick Downie\n" +
" * Released under the MIT license\n" +
" * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md\n" +
" */\n";
var preTestFiles = [
'./node_modules/moment/min/moment.min.js',
];
var testFiles = [
'./test/mockContext.js',
'./test/*.js',
// Disable tests which need to be rewritten based on changes introduced by
// the following changes: https://github.com/chartjs/Chart.js/pull/2346
'!./test/core.layoutService.tests.js',
'!./test/defaultConfig.tests.js',
];
gulp.task('build', buildTask);
gulp.task('coverage', coverageTask);
gulp.task('watch', watchTask);
gulp.task('bump', bumpTask);
gulp.task('release', ['build'], releaseTask);
gulp.task('jshint', jshintTask);
gulp.task('test', ['jshint', 'validHTML', 'unittest']);
gulp.task('size', ['library-size', 'module-sizes']);
gulp.task('server', serverTask);
gulp.task('validHTML', validHTMLTask);
gulp.task('unittest', unittestTask);
gulp.task('unittestWatch', unittestWatchTask);
gulp.task('library-size', librarySizeTask);
gulp.task('module-sizes', moduleSizesTask);
gulp.task('_open', _openTask);
gulp.task('dev', ['server', 'default']);
gulp.task('default', ['build', 'watch']);
function buildTask() {
var bundled = browserify('./src/chart.js')
.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')
.ignore('moment')
.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);
}
/*
* Usage : gulp bump
* Prompts: Version increment to bump
* Output: - New version number written into package.json & bower.json
*/
function bumpTask(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),
oldVersion = package.version;
// 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));
var oldCDN = 'https://cdnjs.cloudflare.com/ajax/libs/Chart.js/'+oldVersion+'/Chart.min.js',
newCDN = 'https://cdnjs.cloudflare.com/ajax/libs/Chart.js/'+newVersion+'/Chart.min.js';
gulp.src(['./README.md'])
.pipe(replace(oldCDN, newCDN))
.pipe(gulp.dest('./'));
complete();
});
}
function releaseTask() {
exec('git tag -a v' + package.version);
}
function jshintTask() {
return gulp.src(srcDir + '**/*.js')
.pipe(jshint('config.jshintrc'))
.pipe(jshint.reporter('jshint-stylish'))
.pipe(jshint.reporter('fail'));
}
function validHTMLTask() {
return gulp.src('samples/*.html')
.pipe(htmlv());
}
function startTest() {
var files = ['./src/**/*.js'];
Array.prototype.unshift.apply(files, preTestFiles);
Array.prototype.push.apply(files, testFiles);
return files;
}
function unittestTask() {
return gulp.src(startTest())
.pipe(karma({
configFile: 'karma.conf.ci.js',
action: 'run'
}));
}
function unittestWatchTask() {
return gulp.src(startTest())
.pipe(karma({
configFile: 'karma.conf.js',
action: 'watch'
}));
}
function coverageTask() {
return gulp.src(startTest())
.pipe(karma({
configFile: 'karma.coverage.conf.js',
action: 'run'
}));
}
function librarySizeTask() {
return gulp.src('dist/Chart.bundle.min.js')
.pipe(size({
gzip: true
}));
}
function moduleSizesTask() {
return gulp.src(srcDir + '**/*.js')
.pipe(uglify({
preserveComments: 'some'
}))
.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 .');
}
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