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gulpfile.js
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gulpfile.js
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// Gulp File for ExDoc
// ===================
// Dependencies
// ------------
var gulp = require('gulp')
var $ = require('gulp-load-plugins')({camelize: true})
var sequence = require('run-sequence')
var del = require('del')
var LessPluginNpmImport = require('less-plugin-npm-import')
var LessPluginAutoPrefix = require('less-plugin-autoprefix')
var Server = require('karma').Server
var webpack = require('webpack-stream')
var exec = require('child_process').exec
var config = require('./assets/webpack.config')
// Config
// ------
// Set variable via $ gulp --type production
var environment = $.util.env.type || 'development'
var isProduction = environment === 'production'
var distPath = {
html: 'priv/ex_doc/formatter/html/assets/dist',
epub: 'priv/ex_doc/formatter/epub/assets/dist'
}
var npmPlugin = new LessPluginNpmImport()
var autoprefixPlugin = new LessPluginAutoPrefix({
browsers: ['last 2 versions']
})
var languages = [
'bash',
'css',
'diff',
'elixir',
'erlang',
'erlang-repl',
'xml',
'http',
'javascript',
'json',
'markdown',
'sql'
]
// Tasks
// -----
gulp.task('buildHighlight', function (done) {
exec('npm install', {
cwd: './node_modules/highlight.js'
}, function (err, stdout, stderr) {
if (err) return done(err)
exec('node tools/build.js -n ' + languages.join(' '), {
cwd: './node_modules/highlight.js'
}, function (err, stdout, stderr) {
if (err) return done(err)
done()
})
})
})
gulp.task('clean:html', function () {
return del(distPath.html)
})
gulp.task('clean:epub', function () {
return del(distPath.epub)
})
gulp.task('clean', function (done) {
sequence(
['clean:html', 'clean:epub'],
done
)
})
gulp.task('javascript:html', ['buildHighlight'], function () {
return javascript({src: 'assets/js/app.js', dest: distPath.html, sourceMaps: true})
})
gulp.task('javascript:epub', ['buildHighlight'], function () {
return javascript({src: 'assets/js/epub.js', dest: distPath.epub, sourceMaps: false})
})
gulp.task('javascript', function (done) {
sequence(
['javascript:html', 'javascript:epub'],
done
)
})
gulp.task('less:html', function () {
return less({src: 'assets/less/app.less', dest: distPath.html})
})
gulp.task('less:epub', function () {
return less({src: 'assets/less/epub.less', dest: distPath.epub})
})
gulp.task('less', function (done) {
sequence(
['less:html', 'less:epub'],
done
)
})
gulp.task('lint', function () {
return gulp.src([
'gulpfile.js',
'assets/**/*.js'
])
.pipe($.eslint())
.pipe($.eslint.format())
.pipe($.eslint.failOnError())
})
gulp.task('test', function (done) {
new Server({
configFile: __dirname + '/assets/karma.conf.js',
singleRun: true
}, done).start()
})
gulp.task('build:html', function (done) {
sequence(
'clean:html',
['javascript:html', 'less:html'],
done
)
})
gulp.task('build:epub', function (done) {
sequence(
'clean:epub',
['javascript:epub', 'less:epub'],
done
)
})
gulp.task('build', function (done) {
sequence(
['build:html', 'build:epub'],
done
)
})
gulp.task('watch', function (done) {
var source = {
html: {
js: ['./assets/js/**/*.js', '!./assets/js/epub.js'],
less: ['./assets/less/**/*.less', '!./assets/less/epub.less']
},
epub: {
js: ['./assets/js/**/*.js', '!./assets/js/app.js'],
less: ['./assets/less/**/*.less', '!./assets/less/app.less']
}
}
// Watch JS for HTML formatter
$.watch(source.html.js, $.batch(function (events, done) {
events
.on('data', gulp.start('javascript:html', done))
.on('end', done)
}))
// Watch LESS for HTML formatter
$.watch(source.html.less, $.batch(function (events, done) {
events
.on('data', gulp.start('less:html', done))
.on('end', done)
}))
// Watch JS for EPUB formatter
$.watch(source.epub.js, $.batch(function (events, done) {
events
.on('data', gulp.start('javascript:epub', done))
.on('end', done)
}))
// Watch LESS for HTML formatter
$.watch(source.epub.less, $.batch(function (events, done) {
events
.on('data', gulp.start('less:epub', done))
.on('end', done)
}))
})
gulp.task('default', ['lint', 'test'])
/**
* Helpers
*/
var javascript = function (options) {
var buildSourceMaps = options.sourceMaps && isProduction
return gulp.src(options.src)
.pipe(webpack(isProduction ? config.production : config.development))
.pipe($.if(buildSourceMaps, $.sourcemaps.init()))
.pipe($.if(isProduction, $.uglify()))
.pipe($.if(isProduction, $.rev()))
.pipe($.if(buildSourceMaps, $.sourcemaps.write('./')))
.pipe($.size({title: 'js'}))
.pipe(gulp.dest(options.dest))
}
var less = function (options) {
return gulp.src(options.src)
.pipe($.less({
plugins: [
npmPlugin,
autoprefixPlugin
]
}))
.pipe($.plumber())
.pipe($.if(isProduction, $.minifyCss({
compatibility: 'ie8',
processImport: false
})))
.pipe($.if(isProduction, $.rev()))
.pipe($.size({title: 'less'}))
.pipe(gulp.dest(options.dest))
}