zui
Version:
一个基于 Bootstrap 深度定制开源前端实践方案，帮助你快速构建现代跨屏应用。
1,487 lines (1,312 loc) • 359 kB
JavaScript
/*!
* Less - Leaner CSS v2.5.3
* http://lesscss.org
*
* Copyright (c) 2009-2015, Alexis Sellier <self@cloudhead.net>
* Licensed under the License.
*
*/
/** * @license
*/
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.less = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
var addDataAttr = require("./utils").addDataAttr,
browser = require("./browser");
module.exports = function(window, options) {
// use options from the current script tag data attribues
addDataAttr(options, browser.currentScript(window));
if (options.isFileProtocol === undefined) {
options.isFileProtocol = /^(file|(chrome|safari)(-extension)?|resource|qrc|app):/.test(window.location.protocol);
}
// Load styles asynchronously (default: false)
//
// This is set to `false` by default, so that the body
// doesn't start loading before the stylesheets are parsed.
// Setting this to `true` can result in flickering.
//
options.async = options.async || false;
options.fileAsync = options.fileAsync || false;
// Interval between watch polls
options.poll = options.poll || (options.isFileProtocol ? 1000 : 1500);
options.env = options.env || (window.location.hostname == '127.0.0.1' ||
window.location.hostname == '0.0.0.0' ||
window.location.hostname == 'localhost' ||
(window.location.port &&
window.location.port.length > 0) ||
options.isFileProtocol ? 'development'
: 'production');
var dumpLineNumbers = /!dumpLineNumbers:(comments|mediaquery|all)/.exec(window.location.hash);
if (dumpLineNumbers) {
options.dumpLineNumbers = dumpLineNumbers[1];
}
if (options.useFileCache === undefined) {
options.useFileCache = true;
}
if (options.onReady === undefined) {
options.onReady = true;
}
};
},{"./browser":3,"./utils":9}],2:[function(require,module,exports){
/**
* Kicks off less and compiles any stylesheets
* used in the browser distributed version of less
* to kick-start less using the browser api
*/
/*global window */
// shim Promise if required
require('promise/polyfill.js');
var options = window.less || {};
require("./add-default-options")(window, options);
var less = module.exports = require("./index")(window, options);
window.less = less;
if (options.onReady) {
if (/!watch/.test(window.location.hash)) {
less.watch();
}
less.registerStylesheetsImmediately();
less.pageLoadFinished = less.refresh(less.env === 'development');
}
},{"./add-default-options":1,"./index":7,"promise/polyfill.js":95}],3:[function(require,module,exports){
var utils = require("./utils");
module.exports = {
createCSS: function (document, styles, sheet) {
// Strip the query-string
var href = sheet.href || '';
// If there is no title set, use the filename, minus the extension
var id = 'less:' + (sheet.title || utils.extractId(href));
// If this has already been inserted into the DOM, we may need to replace it
var oldStyleNode = document.getElementById(id);
var keepOldStyleNode = false;
// Create a new stylesheet node for insertion or (if necessary) replacement
var styleNode = document.createElement('style');
styleNode.setAttribute('type', 'text/css');
if (sheet.media) {
styleNode.setAttribute('media', sheet.media);
}
styleNode.id = id;
if (!styleNode.styleSheet) {
styleNode.appendChild(document.createTextNode(styles));
// If new contents match contents of oldStyleNode, don't replace oldStyleNode
keepOldStyleNode = (oldStyleNode !== null && oldStyleNode.childNodes.length > 0 && styleNode.childNodes.length > 0 &&
oldStyleNode.firstChild.nodeValue === styleNode.firstChild.nodeValue);
}
var head = document.getElementsByTagName('head')[0];
// If there is no oldStyleNode, just append; otherwise, only append if we need
// to replace oldStyleNode with an updated stylesheet
if (oldStyleNode === null || keepOldStyleNode === false) {
var nextEl = sheet && sheet.nextSibling || null;
if (nextEl) {
nextEl.parentNode.insertBefore(styleNode, nextEl);
} else {
head.appendChild(styleNode);
}
}
if (oldStyleNode && keepOldStyleNode === false) {
oldStyleNode.parentNode.removeChild(oldStyleNode);
}
// For IE.
// This needs to happen *after* the style element is added to the DOM, otherwise IE 7 and 8 may crash.
// See http://social.msdn.microsoft.com/Forums/en-US/7e081b65-878a-4c22-8e68-c10d39c2ed32/internet-explorer-crashes-appending-style-element-to-head
if (styleNode.styleSheet) {
try {
styleNode.styleSheet.cssText = styles;
} catch (e) {
throw new Error("Couldn't reassign styleSheet.cssText.");
}
}
},
currentScript: function(window) {
var document = window.document;
return document.currentScript || (function() {
var scripts = document.getElementsByTagName("script");
return scripts[scripts.length - 1];
})();
}
};
},{"./utils":9}],4:[function(require,module,exports){
// Cache system is a bit outdated and could do with work
module.exports = function(window, options, logger) {
var cache = null;
if (options.env !== 'development') {
try {
cache = (typeof window.localStorage === 'undefined') ? null : window.localStorage;
} catch (_) {}
}
return {
setCSS: function(path, lastModified, styles) {
if (cache) {
logger.info('saving ' + path + ' to cache.');
try {
cache.setItem(path, styles);
cache.setItem(path + ':timestamp', lastModified);
} catch(e) {
//TODO - could do with adding more robust error handling
logger.error('failed to save "' + path + '" to local storage for caching.');
}
}
},
getCSS: function(path, webInfo) {
var css = cache && cache.getItem(path),
timestamp = cache && cache.getItem(path + ':timestamp');
if (timestamp && webInfo.lastModified &&
(new Date(webInfo.lastModified).valueOf() ===
new Date(timestamp).valueOf())) {
// Use local copy
return css;
}
}
};
};
},{}],5:[function(require,module,exports){
var utils = require("./utils"),
browser = require("./browser");
module.exports = function(window, less, options) {
function errorHTML(e, rootHref) {
var id = 'less-error-message:' + utils.extractId(rootHref || "");
var template = '<li><label>{line}</label><pre class="{class}">{content}</pre></li>';
var elem = window.document.createElement('div'), timer, content, errors = [];
var filename = e.filename || rootHref;
var filenameNoPath = filename.match(/([^\/]+(\?.*)?)$/)[1];
elem.id = id;
elem.className = "less-error-message";
content = '<h3>' + (e.type || "Syntax") + "Error: " + (e.message || 'There is an error in your .less file') +
'</h3>' + '<p>in <a href="' + filename + '">' + filenameNoPath + "</a> ";
var errorline = function (e, i, classname) {
if (e.extract[i] !== undefined) {
errors.push(template.replace(/\{line\}/, (parseInt(e.line, 10) || 0) + (i - 1))
.replace(/\{class\}/, classname)
.replace(/\{content\}/, e.extract[i]));
}
};
if (e.extract) {
errorline(e, 0, '');
errorline(e, 1, 'line');
errorline(e, 2, '');
content += 'on line ' + e.line + ', column ' + (e.column + 1) + ':</p>' +
'<ul>' + errors.join('') + '</ul>';
}
if (e.stack && (e.extract || options.logLevel >= 4)) {
content += '<br/>Stack Trace</br />' + e.stack.split('\n').slice(1).join('<br/>');
}
elem.innerHTML = content;
// CSS for error messages
browser.createCSS(window.document, [
'.less-error-message ul, .less-error-message li {',
'list-style-type: none;',
'margin-right: 15px;',
'padding: 4px 0;',
'margin: 0;',
'}',
'.less-error-message label {',
'font-size: 12px;',
'margin-right: 15px;',
'padding: 4px 0;',
'color: #cc7777;',
'}',
'.less-error-message pre {',
'color: #dd6666;',
'padding: 4px 0;',
'margin: 0;',
'display: inline-block;',
'}',
'.less-error-message pre.line {',
'color: #ff0000;',
'}',
'.less-error-message h3 {',
'font-size: 20px;',
'font-weight: bold;',
'padding: 15px 0 5px 0;',
'margin: 0;',
'}',
'.less-error-message a {',
'color: #10a',
'}',
'.less-error-message .error {',
'color: red;',
'font-weight: bold;',
'padding-bottom: 2px;',
'border-bottom: 1px dashed red;',
'}'
].join('\n'), { title: 'error-message' });
elem.style.cssText = [
"font-family: Arial, sans-serif",
"border: 1px solid #e00",
"background-color: #eee",
"border-radius: 5px",
"-webkit-border-radius: 5px",
"-moz-border-radius: 5px",
"color: #e00",
"padding: 15px",
"margin-bottom: 15px"
].join(';');
if (options.env === 'development') {
timer = setInterval(function () {
var document = window.document,
body = document.body;
if (body) {
if (document.getElementById(id)) {
body.replaceChild(elem, document.getElementById(id));
} else {
body.insertBefore(elem, body.firstChild);
}
clearInterval(timer);
}
}, 10);
}
}
function error(e, rootHref) {
if (!options.errorReporting || options.errorReporting === "html") {
errorHTML(e, rootHref);
} else if (options.errorReporting === "console") {
errorConsole(e, rootHref);
} else if (typeof options.errorReporting === 'function') {
options.errorReporting("add", e, rootHref);
}
}
function removeErrorHTML(path) {
var node = window.document.getElementById('less-error-message:' + utils.extractId(path));
if (node) {
node.parentNode.removeChild(node);
}
}
function removeErrorConsole(path) {
//no action
}
function removeError(path) {
if (!options.errorReporting || options.errorReporting === "html") {
removeErrorHTML(path);
} else if (options.errorReporting === "console") {
removeErrorConsole(path);
} else if (typeof options.errorReporting === 'function') {
options.errorReporting("remove", path);
}
}
function errorConsole(e, rootHref) {
var template = '{line} {content}';
var filename = e.filename || rootHref;
var errors = [];
var content = (e.type || "Syntax") + "Error: " + (e.message || 'There is an error in your .less file') +
" in " + filename + " ";
var errorline = function (e, i, classname) {
if (e.extract[i] !== undefined) {
errors.push(template.replace(/\{line\}/, (parseInt(e.line, 10) || 0) + (i - 1))
.replace(/\{class\}/, classname)
.replace(/\{content\}/, e.extract[i]));
}
};
if (e.extract) {
errorline(e, 0, '');
errorline(e, 1, 'line');
errorline(e, 2, '');
content += 'on line ' + e.line + ', column ' + (e.column + 1) + ':\n' +
errors.join('\n');
}
if (e.stack && (e.extract || options.logLevel >= 4)) {
content += '\nStack Trace\n' + e.stack;
}
less.logger.error(content);
}
return {
add: error,
remove: removeError
};
};
},{"./browser":3,"./utils":9}],6:[function(require,module,exports){
/*global window, XMLHttpRequest */
module.exports = function(options, logger) {
var AbstractFileManager = require("../less/environment/abstract-file-manager.js");
var fileCache = {};
//TODOS - move log somewhere. pathDiff and doing something similar in node. use pathDiff in the other browser file for the initial load
function getXMLHttpRequest() {
if (window.XMLHttpRequest && (window.location.protocol !== "file:" || !("ActiveXObject" in window))) {
return new XMLHttpRequest();
} else {
try {
/*global ActiveXObject */
return new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {
logger.error("browser doesn't support AJAX.");
return null;
}
}
}
var FileManager = function() {
};
FileManager.prototype = new AbstractFileManager();
FileManager.prototype.alwaysMakePathsAbsolute = function alwaysMakePathsAbsolute() {
return true;
};
FileManager.prototype.join = function join(basePath, laterPath) {
if (!basePath) {
return laterPath;
}
return this.extractUrlParts(laterPath, basePath).path;
};
FileManager.prototype.doXHR = function doXHR(url, type, callback, errback) {
var xhr = getXMLHttpRequest();
var async = options.isFileProtocol ? options.fileAsync : options.async;
if (typeof xhr.overrideMimeType === 'function') {
xhr.overrideMimeType('text/css');
}
logger.debug("XHR: Getting '" + url + "'");
xhr.open('GET', url, async);
xhr.setRequestHeader('Accept', type || 'text/x-less, text/css; q=0.9, */*; q=0.5');
xhr.send(null);
function handleResponse(xhr, callback, errback) {
if (xhr.status >= 200 && xhr.status < 300) {
callback(xhr.responseText,
xhr.getResponseHeader("Last-Modified"));
} else if (typeof errback === 'function') {
errback(xhr.status, url);
}
}
if (options.isFileProtocol && !options.fileAsync) {
if (xhr.status === 0 || (xhr.status >= 200 && xhr.status < 300)) {
callback(xhr.responseText);
} else {
errback(xhr.status, url);
}
} else if (async) {
xhr.onreadystatechange = function () {
if (xhr.readyState == 4) {
handleResponse(xhr, callback, errback);
}
};
} else {
handleResponse(xhr, callback, errback);
}
};
FileManager.prototype.supports = function(filename, currentDirectory, options, environment) {
return true;
};
FileManager.prototype.clearFileCache = function() {
fileCache = {};
};
FileManager.prototype.loadFile = function loadFile(filename, currentDirectory, options, environment, callback) {
if (currentDirectory && !this.isPathAbsolute(filename)) {
filename = currentDirectory + filename;
}
options = options || {};
// sheet may be set to the stylesheet for the initial load or a collection of properties including
// some context variables for imports
var hrefParts = this.extractUrlParts(filename, window.location.href);
var href = hrefParts.url;
if (options.useFileCache && fileCache[href]) {
try {
var lessText = fileCache[href];
callback(null, { contents: lessText, filename: href, webInfo: { lastModified: new Date() }});
} catch (e) {
callback({filename: href, message: "Error loading file " + href + " error was " + e.message});
}
return;
}
this.doXHR(href, options.mime, function doXHRCallback(data, lastModified) {
// per file cache
fileCache[href] = data;
// Use remote copy (re-parse)
callback(null, { contents: data, filename: href, webInfo: { lastModified: lastModified }});
}, function doXHRError(status, url) {
callback({ type: 'File', message: "'" + url + "' wasn't found (" + status + ")", href: href });
});
};
return FileManager;
};
},{"../less/environment/abstract-file-manager.js":14}],7:[function(require,module,exports){
//
// index.js
// Should expose the additional browser functions on to the less object
//
var addDataAttr = require("./utils").addDataAttr,
browser = require("./browser");
module.exports = function(window, options) {
var document = window.document;
var less = require('../less')();
//module.exports = less;
less.options = options;
var environment = less.environment,
FileManager = require("./file-manager")(options, less.logger),
fileManager = new FileManager();
environment.addFileManager(fileManager);
less.FileManager = FileManager;
require("./log-listener")(less, options);
var errors = require("./error-reporting")(window, less, options);
var cache = less.cache = options.cache || require("./cache")(window, options, less.logger);
//Setup user functions
if (options.functions) {
less.functions.functionRegistry.addMultiple(options.functions);
}
var typePattern = /^text\/(x-)?less$/;
function postProcessCSS(styles) { // deprecated, use a plugin for postprocesstasks
if (options.postProcessor && typeof options.postProcessor === 'function') {
styles = options.postProcessor.call(styles, styles) || styles;
}
return styles;
}
function clone(obj) {
var cloned = {};
for (var prop in obj) {
if (obj.hasOwnProperty(prop)) {
cloned[prop] = obj[prop];
}
}
return cloned;
}
// only really needed for phantom
function bind(func, thisArg) {
var curryArgs = Array.prototype.slice.call(arguments, 2);
return function() {
var args = curryArgs.concat(Array.prototype.slice.call(arguments, 0));
return func.apply(thisArg, args);
};
}
function loadStyles(modifyVars) {
var styles = document.getElementsByTagName('style'),
style;
for (var i = 0; i < styles.length; i++) {
style = styles[i];
if (style.type.match(typePattern)) {
var instanceOptions = clone(options);
instanceOptions.modifyVars = modifyVars;
var lessText = style.innerHTML || '';
instanceOptions.filename = document.location.href.replace(/#.*$/, '');
/*jshint loopfunc:true */
// use closure to store current style
less.render(lessText, instanceOptions,
bind(function(style, e, result) {
if (e) {
errors.add(e, "inline");
} else {
style.type = 'text/css';
if (style.styleSheet) {
style.styleSheet.cssText = result.css;
} else {
style.innerHTML = result.css;
}
}
}, null, style));
}
}
}
function loadStyleSheet(sheet, callback, reload, remaining, modifyVars) {
var instanceOptions = clone(options);
addDataAttr(instanceOptions, sheet);
instanceOptions.mime = sheet.type;
if (modifyVars) {
instanceOptions.modifyVars = modifyVars;
}
function loadInitialFileCallback(loadedFile) {
var data = loadedFile.contents,
path = loadedFile.filename,
webInfo = loadedFile.webInfo;
var newFileInfo = {
currentDirectory: fileManager.getPath(path),
filename: path,
rootFilename: path,
relativeUrls: instanceOptions.relativeUrls};
newFileInfo.entryPath = newFileInfo.currentDirectory;
newFileInfo.rootpath = instanceOptions.rootpath || newFileInfo.currentDirectory;
if (webInfo) {
webInfo.remaining = remaining;
if (!instanceOptions.modifyVars) {
var css = cache.getCSS(path, webInfo);
if (!reload && css) {
webInfo.local = true;
callback(null, css, data, sheet, webInfo, path);
return;
}
}
}
//TODO add tests around how this behaves when reloading
errors.remove(path);
instanceOptions.rootFileInfo = newFileInfo;
less.render(data, instanceOptions, function(e, result) {
if (e) {
e.href = path;
callback(e);
} else {
result.css = postProcessCSS(result.css);
if (!instanceOptions.modifyVars) {
cache.setCSS(sheet.href, webInfo.lastModified, result.css);
}
callback(null, result.css, data, sheet, webInfo, path);
}
});
}
fileManager.loadFile(sheet.href, null, instanceOptions, environment, function(e, loadedFile) {
if (e) {
callback(e);
return;
}
loadInitialFileCallback(loadedFile);
});
}
function loadStyleSheets(callback, reload, modifyVars) {
for (var i = 0; i < less.sheets.length; i++) {
loadStyleSheet(less.sheets[i], callback, reload, less.sheets.length - (i + 1), modifyVars);
}
}
function initRunningMode() {
if (less.env === 'development') {
less.watchTimer = setInterval(function () {
if (less.watchMode) {
fileManager.clearFileCache();
loadStyleSheets(function (e, css, _, sheet, webInfo) {
if (e) {
errors.add(e, e.href || sheet.href);
} else if (css) {
browser.createCSS(window.document, css, sheet);
}
});
}
}, options.poll);
}
}
//
// Watch mode
//
less.watch = function () {
if (!less.watchMode ) {
less.env = 'development';
initRunningMode();
}
this.watchMode = true;
return true;
};
less.unwatch = function () {clearInterval(less.watchTimer); this.watchMode = false; return false; };
//
// Synchronously get all <link> tags with the 'rel' attribute set to
// "stylesheet/less".
//
less.registerStylesheetsImmediately = function() {
var links = document.getElementsByTagName('link');
less.sheets = [];
for (var i = 0; i < links.length; i++) {
if (links[i].rel === 'stylesheet/less' || (links[i].rel.match(/stylesheet/) &&
(links[i].type.match(typePattern)))) {
less.sheets.push(links[i]);
}
}
};
//
// Asynchronously get all <link> tags with the 'rel' attribute set to
// "stylesheet/less", returning a Promise.
//
less.registerStylesheets = function() {
return new Promise(function(resolve, reject) {
less.registerStylesheetsImmediately();
resolve();
});
};
//
// With this function, it's possible to alter variables and re-render
// CSS without reloading less-files
//
less.modifyVars = function(record) {
return less.refresh(true, record, false);
};
less.refresh = function (reload, modifyVars, clearFileCache) {
if ((reload || clearFileCache) && clearFileCache !== false) {
fileManager.clearFileCache();
}
return new Promise(function (resolve, reject) {
var startTime, endTime, totalMilliseconds;
startTime = endTime = new Date();
loadStyleSheets(function (e, css, _, sheet, webInfo) {
if (e) {
errors.add(e, e.href || sheet.href);
reject(e);
return;
}
if (webInfo.local) {
less.logger.info("loading " + sheet.href + " from cache.");
} else {
less.logger.info("rendered " + sheet.href + " successfully.");
}
browser.createCSS(window.document, css, sheet);
less.logger.info("css for " + sheet.href + " generated in " + (new Date() - endTime) + 'ms');
if (webInfo.remaining === 0) {
totalMilliseconds = new Date() - startTime;
less.logger.info("less has finished. css generated in " + totalMilliseconds + 'ms');
resolve({
startTime: startTime,
endTime: endTime,
totalMilliseconds: totalMilliseconds,
sheets: less.sheets.length
});
}
endTime = new Date();
}, reload, modifyVars);
loadStyles(modifyVars);
});
};
less.refreshStyles = loadStyles;
return less;
};
},{"../less":30,"./browser":3,"./cache":4,"./error-reporting":5,"./file-manager":6,"./log-listener":8,"./utils":9}],8:[function(require,module,exports){
module.exports = function(less, options) {
var logLevel_debug = 4,
logLevel_info = 3,
logLevel_warn = 2,
logLevel_error = 1;
// The amount of logging in the javascript console.
// 3 - Debug, information and errors
// 2 - Information and errors
// 1 - Errors
// 0 - None
// Defaults to 2
options.logLevel = typeof options.logLevel !== 'undefined' ? options.logLevel : (options.env === 'development' ? logLevel_info : logLevel_error);
if (!options.loggers) {
options.loggers = [{
debug: function(msg) {
if (options.logLevel >= logLevel_debug) {
console.log(msg);
}
},
info: function(msg) {
if (options.logLevel >= logLevel_info) {
console.log(msg);
}
},
warn: function(msg) {
if (options.logLevel >= logLevel_warn) {
console.warn(msg);
}
},
error: function(msg) {
if (options.logLevel >= logLevel_error) {
console.error(msg);
}
}
}];
}
for (var i = 0; i < options.loggers.length; i++) {
less.logger.addListener(options.loggers[i]);
}
};
},{}],9:[function(require,module,exports){
module.exports = {
extractId: function(href) {
return href.replace(/^[a-z-]+:\/+?[^\/]+/, '') // Remove protocol & domain
.replace(/[\?\&]livereload=\w+/, '') // Remove LiveReload cachebuster
.replace(/^\//, '') // Remove root /
.replace(/\.[a-zA-Z]+$/, '') // Remove simple extension
.replace(/[^\.\w-]+/g, '-') // Replace illegal characters
.replace(/\./g, ':'); // Replace dots with colons(for valid id)
},
addDataAttr: function(options, tag) {
for (var opt in tag.dataset) {
if (tag.dataset.hasOwnProperty(opt)) {
if (opt === "env" || opt === "dumpLineNumbers" || opt === "rootpath" || opt === "errorReporting") {
options[opt] = tag.dataset[opt];
} else {
try {
options[opt] = JSON.parse(tag.dataset[opt]);
}
catch(_) {}
}
}
}
}
};
},{}],10:[function(require,module,exports){
var contexts = {};
module.exports = contexts;
var copyFromOriginal = function copyFromOriginal(original, destination, propertiesToCopy) {
if (!original) { return; }
for (var i = 0; i < propertiesToCopy.length; i++) {
if (original.hasOwnProperty(propertiesToCopy[i])) {
destination[propertiesToCopy[i]] = original[propertiesToCopy[i]];
}
}
};
/*
parse is used whilst parsing
*/
var parseCopyProperties = [
// options
'paths', // option - unmodified - paths to search for imports on
'relativeUrls', // option - whether to adjust URL's to be relative
'rootpath', // option - rootpath to append to URL's
'strictImports', // option -
'insecure', // option - whether to allow imports from insecure ssl hosts
'dumpLineNumbers', // option - whether to dump line numbers
'compress', // option - whether to compress
'syncImport', // option - whether to import synchronously
'chunkInput', // option - whether to chunk input. more performant but causes parse issues.
'mime', // browser only - mime type for sheet import
'useFileCache', // browser only - whether to use the per file session cache
// context
'processImports', // option & context - whether to process imports. if false then imports will not be imported.
// Used by the import manager to stop multiple import visitors being created.
'reference', // Used to indicate that the contents are imported by reference
'pluginManager' // Used as the plugin manager for the session
];
contexts.Parse = function(options) {
copyFromOriginal(options, this, parseCopyProperties);
if (typeof this.paths === "string") { this.paths = [this.paths]; }
};
var evalCopyProperties = [
'paths', // additional include paths
'compress', // whether to compress
'ieCompat', // whether to enforce IE compatibility (IE8 data-uri)
'strictMath', // whether math has to be within parenthesis
'strictUnits', // whether units need to evaluate correctly
'sourceMap', // whether to output a source map
'importMultiple', // whether we are currently importing multiple copies
'urlArgs', // whether to add args into url tokens
'javascriptEnabled',// option - whether JavaScript is enabled. if undefined, defaults to true
'pluginManager', // Used as the plugin manager for the session
'importantScope' // used to bubble up !important statements
];
contexts.Eval = function(options, frames) {
copyFromOriginal(options, this, evalCopyProperties);
if (typeof this.paths === "string") { this.paths = [this.paths]; }
this.frames = frames || [];
this.importantScope = this.importantScope || [];
};
contexts.Eval.prototype.inParenthesis = function () {
if (!this.parensStack) {
this.parensStack = [];
}
this.parensStack.push(true);
};
contexts.Eval.prototype.outOfParenthesis = function () {
this.parensStack.pop();
};
contexts.Eval.prototype.isMathOn = function () {
return this.strictMath ? (this.parensStack && this.parensStack.length) : true;
};
contexts.Eval.prototype.isPathRelative = function (path) {
return !/^(?:[a-z-]+:|\/|#)/i.test(path);
};
contexts.Eval.prototype.normalizePath = function( path ) {
var
segments = path.split("/").reverse(),
segment;
path = [];
while (segments.length !== 0 ) {
segment = segments.pop();
switch( segment ) {
case ".":
break;
case "..":
if ((path.length === 0) || (path[path.length - 1] === "..")) {
path.push( segment );
} else {
path.pop();
}
break;
default:
path.push( segment );
break;
}
}
return path.join("/");
};
//todo - do the same for the toCSS ?
},{}],11:[function(require,module,exports){
module.exports = {
'aliceblue':'#f0f8ff',
'antiquewhite':'#faebd7',
'aqua':'#00ffff',
'aquamarine':'#7fffd4',
'azure':'#f0ffff',
'beige':'#f5f5dc',
'bisque':'#ffe4c4',
'black':'#000000',
'blanchedalmond':'#ffebcd',
'blue':'#0000ff',
'blueviolet':'#8a2be2',
'brown':'#a52a2a',
'burlywood':'#deb887',
'cadetblue':'#5f9ea0',
'chartreuse':'#7fff00',
'chocolate':'#d2691e',
'coral':'#ff7f50',
'cornflowerblue':'#6495ed',
'cornsilk':'#fff8dc',
'crimson':'#dc143c',
'cyan':'#00ffff',
'darkblue':'#00008b',
'darkcyan':'#008b8b',
'darkgoldenrod':'#b8860b',
'darkgray':'#a9a9a9',
'darkgrey':'#a9a9a9',
'darkgreen':'#006400',
'darkkhaki':'#bdb76b',
'darkmagenta':'#8b008b',
'darkolivegreen':'#556b2f',
'darkorange':'#ff8c00',
'darkorchid':'#9932cc',
'darkred':'#8b0000',
'darksalmon':'#e9967a',
'darkseagreen':'#8fbc8f',
'darkslateblue':'#483d8b',
'darkslategray':'#2f4f4f',
'darkslategrey':'#2f4f4f',
'darkturquoise':'#00ced1',
'darkviolet':'#9400d3',
'deeppink':'#ff1493',
'deepskyblue':'#00bfff',
'dimgray':'#696969',
'dimgrey':'#696969',
'dodgerblue':'#1e90ff',
'firebrick':'#b22222',
'floralwhite':'#fffaf0',
'forestgreen':'#228b22',
'fuchsia':'#ff00ff',
'gainsboro':'#dcdcdc',
'ghostwhite':'#f8f8ff',
'gold':'#ffd700',
'goldenrod':'#daa520',
'gray':'#808080',
'grey':'#808080',
'green':'#008000',
'greenyellow':'#adff2f',
'honeydew':'#f0fff0',
'hotpink':'#ff69b4',
'indianred':'#cd5c5c',
'indigo':'#4b0082',
'ivory':'#fffff0',
'khaki':'#f0e68c',
'lavender':'#e6e6fa',
'lavenderblush':'#fff0f5',
'lawngreen':'#7cfc00',
'lemonchiffon':'#fffacd',
'lightblue':'#add8e6',
'lightcoral':'#f08080',
'lightcyan':'#e0ffff',
'lightgoldenrodyellow':'#fafad2',
'lightgray':'#d3d3d3',
'lightgrey':'#d3d3d3',
'lightgreen':'#90ee90',
'lightpink':'#ffb6c1',
'lightsalmon':'#ffa07a',
'lightseagreen':'#20b2aa',
'lightskyblue':'#87cefa',
'lightslategray':'#778899',
'lightslategrey':'#778899',
'lightsteelblue':'#b0c4de',
'lightyellow':'#ffffe0',
'lime':'#00ff00',
'limegreen':'#32cd32',
'linen':'#faf0e6',
'magenta':'#ff00ff',
'maroon':'#800000',
'mediumaquamarine':'#66cdaa',
'mediumblue':'#0000cd',
'mediumorchid':'#ba55d3',
'mediumpurple':'#9370d8',
'mediumseagreen':'#3cb371',
'mediumslateblue':'#7b68ee',
'mediumspringgreen':'#00fa9a',
'mediumturquoise':'#48d1cc',
'mediumvioletred':'#c71585',
'midnightblue':'#191970',
'mintcream':'#f5fffa',
'mistyrose':'#ffe4e1',
'moccasin':'#ffe4b5',
'navajowhite':'#ffdead',
'navy':'#000080',
'oldlace':'#fdf5e6',
'olive':'#808000',
'olivedrab':'#6b8e23',
'orange':'#ffa500',
'orangered':'#ff4500',
'orchid':'#da70d6',
'palegoldenrod':'#eee8aa',
'palegreen':'#98fb98',
'paleturquoise':'#afeeee',
'palevioletred':'#d87093',
'papayawhip':'#ffefd5',
'peachpuff':'#ffdab9',
'peru':'#cd853f',
'pink':'#ffc0cb',
'plum':'#dda0dd',
'powderblue':'#b0e0e6',
'purple':'#800080',
'rebeccapurple':'#663399',
'red':'#ff0000',
'rosybrown':'#bc8f8f',
'royalblue':'#4169e1',
'saddlebrown':'#8b4513',
'salmon':'#fa8072',
'sandybrown':'#f4a460',
'seagreen':'#2e8b57',
'seashell':'#fff5ee',
'sienna':'#a0522d',
'silver':'#c0c0c0',
'skyblue':'#87ceeb',
'slateblue':'#6a5acd',
'slategray':'#708090',
'slategrey':'#708090',
'snow':'#fffafa',
'springgreen':'#00ff7f',
'steelblue':'#4682b4',
'tan':'#d2b48c',
'teal':'#008080',
'thistle':'#d8bfd8',
'tomato':'#ff6347',
'turquoise':'#40e0d0',
'violet':'#ee82ee',
'wheat':'#f5deb3',
'white':'#ffffff',
'whitesmoke':'#f5f5f5',
'yellow':'#ffff00',
'yellowgreen':'#9acd32'
};
},{}],12:[function(require,module,exports){
module.exports = {
colors: require("./colors"),
unitConversions: require("./unit-conversions")
};
},{"./colors":11,"./unit-conversions":13}],13:[function(require,module,exports){
module.exports = {
length: {
'm': 1,
'cm': 0.01,
'mm': 0.001,
'in': 0.0254,
'px': 0.0254 / 96,
'pt': 0.0254 / 72,
'pc': 0.0254 / 72 * 12
},
duration: {
's': 1,
'ms': 0.001
},
angle: {
'rad': 1 / (2 * Math.PI),
'deg': 1 / 360,
'grad': 1 / 400,
'turn': 1
}
};
},{}],14:[function(require,module,exports){
var abstractFileManager = function() {
};
abstractFileManager.prototype.getPath = function (filename) {
var j = filename.lastIndexOf('?');
if (j > 0) {
filename = filename.slice(0, j);
}
j = filename.lastIndexOf('/');
if (j < 0) {
j = filename.lastIndexOf('\\');
}
if (j < 0) {
return "";
}
return filename.slice(0, j + 1);
};
abstractFileManager.prototype.tryAppendExtension = function(path, ext) {
return /(\.[a-z]*$)|([\?;].*)$/.test(path) ? path : path + ext;
};
abstractFileManager.prototype.tryAppendLessExtension = function(path) {
return this.tryAppendExtension(path, '.less');
};
abstractFileManager.prototype.supportsSync = function() {
return false;
};
abstractFileManager.prototype.alwaysMakePathsAbsolute = function() {
return false;
};
abstractFileManager.prototype.isPathAbsolute = function(filename) {
return (/^(?:[a-z-]+:|\/|\\|#)/i).test(filename);
};
abstractFileManager.prototype.join = function(basePath, laterPath) {
if (!basePath) {
return laterPath;
}
return basePath + laterPath;
};
abstractFileManager.prototype.pathDiff = function pathDiff(url, baseUrl) {
// diff between two paths to create a relative path
var urlParts = this.extractUrlParts(url),
baseUrlParts = this.extractUrlParts(baseUrl),
i, max, urlDirectories, baseUrlDirectories, diff = "";
if (urlParts.hostPart !== baseUrlParts.hostPart) {
return "";
}
max = Math.max(baseUrlParts.directories.length, urlParts.directories.length);
for (i = 0; i < max; i++) {
if (baseUrlParts.directories[i] !== urlParts.directories[i]) { break; }
}
baseUrlDirectories = baseUrlParts.directories.slice(i);
urlDirectories = urlParts.directories.slice(i);
for (i = 0; i < baseUrlDirectories.length - 1; i++) {
diff += "../";
}
for (i = 0; i < urlDirectories.length - 1; i++) {
diff += urlDirectories[i] + "/";
}
return diff;
};
// helper function, not part of API
abstractFileManager.prototype.extractUrlParts = function extractUrlParts(url, baseUrl) {
// urlParts[1] = protocol&hostname || /
// urlParts[2] = / if path relative to host base
// urlParts[3] = directories
// urlParts[4] = filename
// urlParts[5] = parameters
var urlPartsRegex = /^((?:[a-z-]+:)?\/+?(?:[^\/\?#]*\/)|([\/\\]))?((?:[^\/\\\?#]*[\/\\])*)([^\/\\\?#]*)([#\?].*)?$/i,
urlParts = url.match(urlPartsRegex),
returner = {}, directories = [], i, baseUrlParts;
if (!urlParts) {
throw new Error("Could not parse sheet href - '" + url + "'");
}
// Stylesheets in IE don't always return the full path
if (baseUrl && (!urlParts[1] || urlParts[2])) {
baseUrlParts = baseUrl.match(urlPartsRegex);
if (!baseUrlParts) {
throw new Error("Could not parse page url - '" + baseUrl + "'");
}
urlParts[1] = urlParts[1] || baseUrlParts[1] || "";
if (!urlParts[2]) {
urlParts[3] = baseUrlParts[3] + urlParts[3];
}
}
if (urlParts[3]) {
directories = urlParts[3].replace(/\\/g, "/").split("/");
// extract out . before .. so .. doesn't absorb a non-directory
for (i = 0; i < directories.length; i++) {
if (directories[i] === ".") {
directories.splice(i, 1);
i -= 1;
}
}
for (i = 0; i < directories.length; i++) {
if (directories[i] === ".." && i > 0) {
directories.splice(i - 1, 2);
i -= 2;
}
}
}
returner.hostPart = urlParts[1];
returner.directories = directories;
returner.path = (urlParts[1] || "") + directories.join("/");
returner.fileUrl = returner.path + (urlParts[4] || "");
returner.url = returner.fileUrl + (urlParts[5] || "");
return returner;
};
module.exports = abstractFileManager;
},{}],15:[function(require,module,exports){
var logger = require("../logger");
var environment = function(externalEnvironment, fileManagers) {
this.fileManagers = fileManagers || [];
externalEnvironment = externalEnvironment || {};
var optionalFunctions = ["encodeBase64", "mimeLookup", "charsetLookup", "getSourceMapGenerator"],
requiredFunctions = [],
functions = requiredFunctions.concat(optionalFunctions);
for (var i = 0; i < functions.length; i++) {
var propName = functions[i],
environmentFunc = externalEnvironment[propName];
if (environmentFunc) {
this[propName] = environmentFunc.bind(externalEnvironment);
} else if (i < requiredFunctions.length) {
this.warn("missing required function in environment - " + propName);
}
}
};
environment.prototype.getFileManager = function (filename, currentDirectory, options, environment, isSync) {
if (!filename) {
logger.warn("getFileManager called with no filename.. Please report this issue. continuing.");
}
if (currentDirectory == null) {
logger.warn("getFileManager called with null directory.. Please report this issue. continuing.");
}
var fileManagers = this.fileManagers;
if (options.pluginManager) {
fileManagers = [].concat(fileManagers).concat(options.pluginManager.getFileManagers());
}
for (var i = fileManagers.length - 1; i >= 0 ; i--) {
var fileManager = fileManagers[i];
if (fileManager[isSync ? "supportsSync" : "supports"](filename, currentDirectory, options, environment)) {
return fileManager;
}
}
return null;
};
environment.prototype.addFileManager = function (fileManager) {
this.fileManagers.push(fileManager);
};
environment.prototype.clearFileManagers = function () {
this.fileManagers = [];
};
module.exports = environment;
},{"../logger":32}],16:[function(require,module,exports){
var Color = require("../tree/color"),
functionRegistry = require("./function-registry");
// Color Blending
// ref: http://www.w3.org/TR/compositing-1
function colorBlend(mode, color1, color2) {
var ab = color1.alpha, cb, // backdrop
as = color2.alpha, cs, // source
ar, cr, r = []; // result
ar = as + ab * (1 - as);
for (var i = 0; i < 3; i++) {
cb = color1.rgb[i] / 255;
cs = color2.rgb[i] / 255;
cr = mode(cb, cs);
if (ar) {
cr = (as * cs + ab * (cb -
as * (cb + cs - cr))) / ar;
}
r[i] = cr * 255;
}
return new Color(r, ar);
}
var colorBlendModeFunctions = {
multiply: function(cb, cs) {
return cb * cs;
},
screen: function(cb, cs) {
return cb + cs - cb * cs;
},
overlay: function(cb, cs) {
cb *= 2;
return (cb <= 1) ?
colorBlendModeFunctions.multiply(cb, cs) :
colorBlendModeFunctions.screen(cb - 1, cs);
},
softlight: function(cb, cs) {
var d = 1, e = cb;
if (cs > 0.5) {
e = 1;
d = (cb > 0.25) ? Math.sqrt(cb)
: ((16 * cb - 12) * cb + 4) * cb;
}
return cb - (1 - 2 * cs) * e * (d - cb);
},
hardlight: function(cb, cs) {
return colorBlendModeFunctions.overlay(cs, cb);
},
difference: function(cb, cs) {
return Math.abs(cb - cs);
},
exclusion: function(cb, cs) {
return cb + cs - 2 * cb * cs;
},
// non-w3c functions:
average: function(cb, cs) {
return (cb + cs) / 2;
},
negation: function(cb, cs) {
return 1 - Math.abs(cb + cs - 1);
}
};
for (var f in colorBlendModeFunctions) {
if (colorBlendModeFunctions.hasOwnProperty(f)) {
colorBlend[f] = colorBlend.bind(null, colorBlendModeFunctions[f]);
}
}
functionRegistry.addMultiple(colorBlend);
},{"../tree/color":49,"./function-registry":21}],17:[function(require,module,exports){
var Dimension = require("../tree/dimension"),
Color = require("../tree/color"),
Quoted = require("../tree/quoted"),
Anonymous = require("../tree/anonymous"),
functionRegistry = require("./function-registry"),
colorFunctions;
function clamp(val) {
return Math.min(1, Math.max(0, val));
}
function hsla(color) {
return colorFunctions.hsla(color.h, color.s, color.l, color.a);
}
function number(n) {
if (n instanceof Dimension) {
return parseFloat(n.unit.is('%') ? n.value / 100 : n.value);
} else if (typeof n === 'number') {
return n;
} else {
throw {
type: "Argument",
message: "color functions take numbers as parameters"
};
}
}
function scaled(n, size) {
if (n instanceof Dimension && n.unit.is('%')) {
return parseFloat(n.value * size / 100);
} else {
return number(n);
}
}
colorFunctions = {
rgb: function (r, g, b) {
return colorFunctions.rgba(r, g, b, 1.0);
},
rgba: function (r, g, b, a) {
var rgb = [r, g, b].map(function (c) { return scaled(c, 255); });
a = number(a);
return new Color(rgb, a);
},
hsl: function (h, s, l) {
return colorFunctions.hsla(h, s, l, 1.0);
},
hsla: function (h, s, l, a) {
function hue(h) {
h = h < 0 ? h + 1 : (h > 1 ? h - 1 : h);
if (h * 6 < 1) {
return m1 + (m2 - m1) * h * 6;
}
else if (h * 2 < 1) {
return m2;
}
else if (h * 3 < 2) {
return m1 + (m2 - m1) * (2 / 3 - h) * 6;
}
else {
return m1;
}
}
h = (number(h) % 360) / 360;
s = clamp(number(s)); l = clamp(number(l)); a = clamp(number(a));
var m2 = l <= 0.5 ? l * (s + 1) : l + s - l * s;
var m1 = l * 2 - m2;
return colorFunctions.rgba(hue(h + 1 / 3) * 255,
hue(h) * 255,
hue(h - 1 / 3) * 255,
a);
},
hsv: function(h, s, v) {
return colorFunctions.hsva(h, s, v, 1.0);
},
hsva: function(h, s, v, a) {
h = ((number(h) % 360) / 360) * 360;
s = number(s); v = number(v); a = number(a);
var i, f;
i = Math.floor((h / 60) % 6);
f = (h / 60) - i;
var vs = [v,
v * (1 - s),
v * (1 - f * s),
v * (1 - (1 - f) * s)];
var perm = [[0, 3, 1],
[2, 0, 1],
[1, 0, 3],
[1, 2, 0],
[3, 1, 0],
[0, 1, 2]];
return colorFunctions.rgba(vs[perm[i][0]] * 255,
vs[perm[i][1]] * 255,
vs[perm[i][2]] * 255,
a);
},
hue: function (color) {
return new Dimension(color.toHSL().h);
},
saturation: function (color) {
return new Dimension(color.toHSL().s * 100, '%');
},
lightness: function (color) {
return new Dimension(color.toHSL().l * 100, '%');
},
hsvhue: function(color) {
return new Dimension(color.toHSV().h);
},
hsvsaturation: function (color) {
return new Dimension(color.toHSV().s * 100, '%');
},
hsvvalue: function (color) {
r