2 * Bootstrap Customizer (http://getbootstrap.com/customize/)
3 * Copyright 2011-2014 Twitter, Inc.
5 * Licensed under the Creative Commons Attribution 3.0 Unported License. For
6 * details, see http://creativecommons.org/licenses/by/3.0/.
10 /* global JSZip, less, autoprefixer, saveAs, UglifyJS, __configBridge, __js, __less, __fonts */
12 window.onload = function () { // wait for load in a dumb way because B-0
15 ' * Bootstrap v3.3.4 (http://getbootstrap.com)\n' +
16 ' * Copyright 2011-' + new Date().getFullYear() + ' Twitter, Inc.\n' +
17 ' * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n' +
20 var supportsFile = (window.File && window.FileReader && window.FileList && window.Blob)
21 var importDropTarget = $('#import-drop-target')
23 function showError(msg, err) {
24 $('<div id="bsCustomizerAlert" class="bs-customizer-alert">' +
25 '<div class="container">' +
26 '<a href="#bsCustomizerAlert" data-dismiss="alert" class="close pull-right" aria-label="Close" role="button"><span aria-hidden="true">×</span></a>' +
27 '<p class="bs-customizer-alert-text"><span class="glyphicon glyphicon-warning-sign" aria-hidden="true"></span><span class="sr-only">Warning:</span>' + msg + '</p>' +
28 (err.message ? $('<p></p>').text('Error: ' + err.message)[0].outerHTML : '') +
29 (err.extract ? $('<pre class="bs-customizer-alert-extract"></pre>').text(err.extract.join('\n'))[0].outerHTML : '') +
31 '</div>').appendTo('body').alert()
35 function showSuccess(msg) {
36 $('<div class="bs-callout bs-callout-info">' +
37 '<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>' + msg +
38 '</div>').insertAfter('.bs-customize-download')
41 function showCallout(msg, showUpTop) {
42 var callout = $('<div class="bs-callout bs-callout-danger">' +
43 '<h4>Attention!</h4>' +
44 '<p>' + msg + '</p>' +
48 callout.appendTo('.bs-docs-container')
50 callout.insertAfter('.bs-customize-download')
54 function showAlert(type, msg, insertAfter) {
55 $('<div class="alert alert-' + type + '">' + msg + '<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button></div>')
56 .insertAfter(insertAfter)
59 function getQueryParam(key) {
60 key = key.replace(/[*+?^$.\[\]{}()|\\\/]/g, '\\$&') // escape RegEx meta chars
61 var match = location.search.match(new RegExp('[?&]' + key + '=([^&]+)(&|$)'))
62 return match && decodeURIComponent(match[1].replace(/\+/g, ' '))
65 function createGist(configJson, callback) {
67 description: 'Bootstrap Customizer Config',
76 url: 'https://api.github.com/gists',
78 contentType: 'application/json; charset=UTF-8',
80 data: JSON.stringify(data)
82 .success(function (result) {
83 var gistUrl = result.html_url;
84 var origin = window.location.protocol + '//' + window.location.host
85 var customizerUrl = origin + window.location.pathname + '?id=' + result.id
86 showSuccess('<strong>Success!</strong> Your configuration has been saved to <a href="' + gistUrl + '">' + gistUrl + '</a> ' +
87 'and can be revisited here at <a href="' + customizerUrl + '">' + customizerUrl + '</a> for further customization.')
88 history.replaceState(false, document.title, customizerUrl)
89 callback(gistUrl, customizerUrl)
91 .error(function (err) {
93 showError('<strong>Ruh roh!</strong> Could not save gist file, configuration not saved.', err)
95 // deliberately ignore the error
97 callback('<none>', '<none>')
101 function getCustomizerData() {
104 $('#less-variables-section input')
106 $(this).val() && (vars[$(this).prev().text()] = $(this).val())
111 css: $('#less-section input:checked') .map(function () { return this.value }).toArray(),
112 js: $('#plugin-section input:checked').map(function () { return this.value }).toArray()
115 if ($.isEmptyObject(data.vars) && !data.css.length && !data.js.length) return
120 function updateCustomizerFromJson(data) {
122 $('#plugin-section input').each(function () {
123 $(this).prop('checked', ~$.inArray(this.value, data.js))
127 $('#less-section input').each(function () {
128 $(this).prop('checked', ~$.inArray(this.value, data.css))
132 for (var i in data.vars) {
133 $('input[data-var="' + i + '"]').val(data.vars[i])
138 function parseUrl() {
139 var id = getQueryParam('id')
144 url: 'https://api.github.com/gists/' + id,
148 .success(function (result) {
149 var data = JSON.parse(result.files['config.json'].content)
150 updateCustomizerFromJson(data)
152 .error(function (err) {
153 showError('Error fetching bootstrap config file', err)
157 function generateZip(css, js, fonts, config, complete) {
158 if (!css && !js) return showError('<strong>Ruh roh!</strong> No Bootstrap files selected.', new Error('no Bootstrap'))
160 var zip = new JSZip()
163 var cssFolder = zip.folder('css')
164 for (var fileName in css) {
165 cssFolder.file(fileName, css[fileName])
170 var jsFolder = zip.folder('js')
171 for (var jsFileName in js) {
172 jsFolder.file(jsFileName, js[jsFileName])
177 var fontsFolder = zip.folder('fonts')
178 for (var fontsFileName in fonts) {
179 fontsFolder.file(fontsFileName, fonts[fontsFileName], { base64: true })
184 zip.file('config.json', config)
187 var content = zip.generate({ type: 'blob' })
192 function generateCustomLess(vars) {
195 for (var key in vars) {
196 result += key + ': ' + vars[key] + ';\n'
199 return result + '\n\n'
202 function generateFonts() {
203 var glyphicons = $('#less-section [value="glyphicons.less"]:checked')
204 if (glyphicons.length) {
209 // Returns an Array of @import'd filenames in the order
210 // in which they appear in the file.
211 function includedLessFilenames(lessFilename) {
212 var IMPORT_REGEX = /^@import \"(.*?)\";$/
213 var lessLines = __less[lessFilename].split('\n')
216 $.each(lessLines, function (index, lessLine) {
217 var match = IMPORT_REGEX.exec(lessLine)
219 var importee = match[1]
220 var transitiveImports = includedLessFilenames(importee)
221 $.each(transitiveImports, function (index, transitiveImportee) {
222 if ($.inArray(transitiveImportee, imports) === -1) {
223 imports.push(transitiveImportee)
226 imports.push(importee)
233 function generateLESS(lessFilename, lessFileIncludes, vars) {
234 var lessSource = __less[lessFilename]
236 var lessFilenames = includedLessFilenames(lessFilename)
237 $.each(lessFilenames, function (index, filename) {
238 var fileInclude = lessFileIncludes[filename]
240 // Files not explicitly unchecked are compiled into the final stylesheet.
241 // Core stylesheets like 'normalize.less' are not included in the form
242 // since disabling them would wreck everything, and so their 'fileInclude'
243 // will be 'undefined'.
244 if (fileInclude || (fileInclude == null)) lessSource += __less[filename]
246 // Custom variables are added after Bootstrap variables so the custom
247 // ones take precedence.
248 if (('variables.less' === filename) && vars) lessSource += generateCustomLess(vars)
251 lessSource = lessSource.replace(/@import[^\n]*/gi, '') // strip any imports
255 function compileLESS(lessSource, baseFilename, intoResult) {
256 var promise = $.Deferred()
257 var parser = new less.Parser({
258 paths: ['variables.less', 'mixins.less'],
260 filename: baseFilename + '.css'
263 parser.parse(lessSource, function (parseErr, tree) {
265 return promise.reject(parseErr)
268 intoResult[baseFilename + '.css'] = cw + tree.toCSS()
269 intoResult[baseFilename + '.min.css'] = cw + tree.toCSS({ compress: true })
272 return promise.reject(compileErr)
277 return promise.promise()
280 function generateCSS(preamble) {
281 var promise = $.Deferred()
282 var oneChecked = false
283 var lessFileIncludes = {}
284 $('#less-section input').each(function () {
286 var checked = $this.is(':checked')
287 lessFileIncludes[$this.val()] = checked
289 oneChecked = oneChecked || checked
292 if (!oneChecked) return false
297 $('#less-variables-section input')
299 $(this).val() && (vars[$(this).prev().text()] = $(this).val())
302 var bsLessSource = preamble + generateLESS('bootstrap.less', lessFileIncludes, vars)
303 var themeLessSource = preamble + generateLESS('theme.less', lessFileIncludes, vars)
305 var prefixer = autoprefixer({ browsers: __configBridge.autoprefixerBrowsers })
308 compileLESS(bsLessSource, 'bootstrap', result),
309 compileLESS(themeLessSource, 'bootstrap-theme', result)
311 for (var key in result) {
312 result[key] = prefixer.process(result[key]).css
314 promise.resolve(result)
315 }).fail(function (err) {
316 showError('<strong>Ruh roh!</strong> Problem parsing or compiling Less files.', err)
320 return promise.promise()
323 function uglify(js) {
324 var ast = UglifyJS.parse(js)
325 ast.figure_out_scope()
327 var compressor = UglifyJS.Compressor()
328 var compressedAst = ast.transform(compressor)
330 compressedAst.figure_out_scope()
331 compressedAst.compute_char_frequency()
332 compressedAst.mangle_names()
334 var stream = UglifyJS.OutputStream()
335 compressedAst.print(stream)
337 return stream.toString()
340 function generateJS(preamble) {
341 var $checked = $('#plugin-section input:checked')
342 var jqueryCheck = __configBridge.jqueryCheck.join('\n')
343 var jqueryVersionCheck = __configBridge.jqueryVersionCheck.join('\n')
345 if (!$checked.length) return false
348 .map(function () { return __js[this.value] })
352 preamble = cw + preamble
353 js = jqueryCheck + jqueryVersionCheck + js
356 'bootstrap.js': preamble + js,
357 'bootstrap.min.js': preamble + uglify(js)
361 function removeImportAlerts() {
362 importDropTarget.nextAll('.alert').remove()
365 function handleConfigFileSelect(e) {
369 var file = (e.originalEvent.hasOwnProperty('dataTransfer')) ? e.originalEvent.dataTransfer.files[0] : e.originalEvent.target.files[0]
371 var reader = new FileReader()
373 reader.onload = function (e) {
374 var text = e.target.result
377 var json = JSON.parse(text)
379 if (!$.isPlainObject(json)) {
380 throw new Error('JSON data from config file is not an object.')
383 updateCustomizerFromJson(json)
384 showAlert('success', '<strong>Woohoo!</strong> Your configuration was successfully uploaded. Tweak your settings, then hit Download.', importDropTarget)
386 return showAlert('danger', '<strong>Shucks.</strong> We can only read valid <code>.json</code> files. Please try again.', importDropTarget)
390 reader.readAsText(file, 'utf-8')
393 function handleConfigDragOver(e) {
396 e.originalEvent.dataTransfer.dropEffect = 'copy'
403 .on('dragover', handleConfigDragOver)
404 .on('drop', handleConfigFileSelect)
407 $('#import-file-select').on('change', handleConfigFileSelect)
408 $('#import-manual-trigger').on('click', removeImportAlerts)
410 var inputsComponent = $('#less-section input')
411 var inputsPlugin = $('#plugin-section input')
412 var inputsVariables = $('#less-variables-section input')
414 $('#less-section .toggle').on('click', function (e) {
416 inputsComponent.prop('checked', !inputsComponent.is(':checked'))
419 $('#plugin-section .toggle').on('click', function (e) {
421 inputsPlugin.prop('checked', !inputsPlugin.is(':checked'))
424 $('#less-variables-section .toggle').on('click', function (e) {
426 inputsVariables.val('')
429 $('[data-dependencies]').on('click', function () {
430 if (!$(this).is(':checked')) return
431 var dependencies = this.getAttribute('data-dependencies')
432 if (!dependencies) return
433 dependencies = dependencies.split(',')
434 for (var i = 0; i < dependencies.length; i++) {
435 var dependency = $('[value="' + dependencies[i] + '"]')
436 dependency && dependency.prop('checked', true)
440 $('[data-dependents]').on('click', function () {
441 if ($(this).is(':checked')) return
442 var dependents = this.getAttribute('data-dependents')
443 if (!dependents) return
444 dependents = dependents.split(',')
445 for (var i = 0; i < dependents.length; i++) {
446 var dependent = $('[value="' + dependents[i] + '"]')
447 dependent && dependent.prop('checked', false)
451 var $compileBtn = $('#btn-compile')
453 $compileBtn.on('click', function (e) {
454 var configData = getCustomizerData()
455 var configJson = JSON.stringify(configData, null, 2)
459 $compileBtn.attr('disabled', 'disabled')
461 createGist(configJson, function (gistUrl, customizerUrl) {
462 configData.customizerUrl = customizerUrl
463 configJson = JSON.stringify(configData, null, 2)
465 var preamble = '/*!\n' +
466 ' * Generated using the Bootstrap Customizer (' + customizerUrl + ')\n' +
467 ' * Config saved to config.json and ' + gistUrl + '\n' +
471 generateCSS(preamble),
472 generateJS(preamble),
474 ).done(function (css, js, fonts) {
475 generateZip(css, js, fonts, configJson, function (blob) {
476 $compileBtn.removeAttr('disabled')
477 setTimeout(function () { saveAs(blob, 'bootstrap.zip') }, 0)
483 // browser support alert
485 function failback() {
486 $('.bs-docs-section, .bs-docs-sidebar').css('display', 'none')
487 showCallout('Looks like your current browser doesn\'t support the Bootstrap Customizer. Please take a second ' +
488 'to <a href="http://browsehappy.com/">upgrade to a more modern browser</a> (other than Safari).', true)
492 * Blob Feature Check v1.1.0
493 * https://github.com/ssorallen/blob-feature-check/
494 * License: Public domain (http://unlicense.org)
496 var url = window.webkitURL || window.URL // Safari 6 uses "webkitURL".
498 ['<svg xmlns=\'http://www.w3.org/2000/svg\'></svg>'],
499 { type: 'image/svg+xml;charset=utf-8' }
501 var objectUrl = url.createObjectURL(svg);
503 if (/^blob:/.exec(objectUrl) === null || !supportsFile) {
504 // `URL.createObjectURL` created a URL that started with something other
505 // than "blob:", which means it has been polyfilled and is not supported by
510 .on('load', function () {
511 $compileBtn.prop('disabled', false)
513 .on('error', failback)
514 .attr('src', objectUrl)