258 lines
No EOL
10 KiB
JavaScript
258 lines
No EOL
10 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
var tslib_1 = require("tslib");
|
|
//
|
|
// index.js
|
|
// Should expose the additional browser functions on to the less object
|
|
//
|
|
var utils_1 = require("./utils");
|
|
var less_1 = tslib_1.__importDefault(require("../less"));
|
|
var browser_1 = tslib_1.__importDefault(require("./browser"));
|
|
var file_manager_1 = tslib_1.__importDefault(require("./file-manager"));
|
|
var plugin_loader_1 = tslib_1.__importDefault(require("./plugin-loader"));
|
|
var log_listener_1 = tslib_1.__importDefault(require("./log-listener"));
|
|
var error_reporting_1 = tslib_1.__importDefault(require("./error-reporting"));
|
|
var cache_1 = tslib_1.__importDefault(require("./cache"));
|
|
var image_size_1 = tslib_1.__importDefault(require("./image-size"));
|
|
exports.default = (function (window, options) {
|
|
var document = window.document;
|
|
var less = less_1.default();
|
|
less.options = options;
|
|
var environment = less.environment;
|
|
var FileManager = file_manager_1.default(options, less.logger);
|
|
var fileManager = new FileManager();
|
|
environment.addFileManager(fileManager);
|
|
less.FileManager = FileManager;
|
|
less.PluginLoader = plugin_loader_1.default;
|
|
log_listener_1.default(less, options);
|
|
var errors = error_reporting_1.default(window, less, options);
|
|
var cache = less.cache = options.cache || cache_1.default(window, options, less.logger);
|
|
image_size_1.default(less.environment);
|
|
// Setup user functions - Deprecate?
|
|
if (options.functions) {
|
|
less.functions.functionRegistry.addMultiple(options.functions);
|
|
}
|
|
var typePattern = /^text\/(x-)?less$/;
|
|
function clone(obj) {
|
|
var cloned = {};
|
|
for (var prop in obj) {
|
|
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
|
|
cloned[prop] = obj[prop];
|
|
}
|
|
}
|
|
return cloned;
|
|
}
|
|
// only really needed for phantom
|
|
function bind(func, thisArg) {
|
|
var curryArgs = Array.prototype.slice.call(arguments, 2);
|
|
return function () {
|
|
var args = curryArgs.concat(Array.prototype.slice.call(arguments, 0));
|
|
return func.apply(thisArg, args);
|
|
};
|
|
}
|
|
function loadStyles(modifyVars) {
|
|
var styles = document.getElementsByTagName('style');
|
|
var style;
|
|
for (var i = 0; i < styles.length; i++) {
|
|
style = styles[i];
|
|
if (style.type.match(typePattern)) {
|
|
var instanceOptions = clone(options);
|
|
instanceOptions.modifyVars = modifyVars;
|
|
var lessText = style.innerHTML || '';
|
|
instanceOptions.filename = document.location.href.replace(/#.*$/, '');
|
|
/* 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);
|
|
utils_1.addDataAttr(instanceOptions, sheet);
|
|
instanceOptions.mime = sheet.type;
|
|
if (modifyVars) {
|
|
instanceOptions.modifyVars = modifyVars;
|
|
}
|
|
function loadInitialFileCallback(loadedFile) {
|
|
var data = loadedFile.contents;
|
|
var path = loadedFile.filename;
|
|
var webInfo = loadedFile.webInfo;
|
|
var newFileInfo = {
|
|
currentDirectory: fileManager.getPath(path),
|
|
filename: path,
|
|
rootFilename: path,
|
|
rewriteUrls: instanceOptions.rewriteUrls
|
|
};
|
|
newFileInfo.entryPath = newFileInfo.currentDirectory;
|
|
newFileInfo.rootpath = instanceOptions.rootpath || newFileInfo.currentDirectory;
|
|
if (webInfo) {
|
|
webInfo.remaining = remaining;
|
|
var css = cache.getCSS(path, webInfo, instanceOptions.modifyVars);
|
|
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 {
|
|
cache.setCSS(sheet.href, webInfo.lastModified, instanceOptions.modifyVars, result.css);
|
|
callback(null, result.css, data, sheet, webInfo, path);
|
|
}
|
|
});
|
|
}
|
|
fileManager.loadFile(sheet.href, null, instanceOptions, environment)
|
|
.then(function (loadedFile) {
|
|
loadInitialFileCallback(loadedFile);
|
|
}).catch(function (err) {
|
|
console.log(err);
|
|
callback(err);
|
|
});
|
|
}
|
|
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();
|
|
/**
|
|
* @todo remove when this is typed with JSDoc
|
|
*/
|
|
// eslint-disable-next-line no-unused-vars
|
|
loadStyleSheets(function (e, css, _, sheet, webInfo) {
|
|
if (e) {
|
|
errors.add(e, e.href || sheet.href);
|
|
}
|
|
else if (css) {
|
|
browser_1.default.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) {
|
|
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;
|
|
var endTime;
|
|
var totalMilliseconds;
|
|
var remainingSheets;
|
|
startTime = endTime = new Date();
|
|
// Set counter for remaining unprocessed sheets
|
|
remainingSheets = less.sheets.length;
|
|
if (remainingSheets === 0) {
|
|
endTime = new Date();
|
|
totalMilliseconds = endTime - startTime;
|
|
less.logger.info('Less has finished and no sheets were loaded.');
|
|
resolve({
|
|
startTime: startTime,
|
|
endTime: endTime,
|
|
totalMilliseconds: totalMilliseconds,
|
|
sheets: less.sheets.length
|
|
});
|
|
}
|
|
else {
|
|
// Relies on less.sheets array, callback seems to be guaranteed to be called for every element of the array
|
|
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_1.default.createCSS(window.document, css, sheet);
|
|
less.logger.info("CSS for " + sheet.href + " generated in " + (new Date() - endTime) + "ms");
|
|
// Count completed sheet
|
|
remainingSheets--;
|
|
// Check if the last remaining sheet was processed and then call the promise
|
|
if (remainingSheets === 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;
|
|
});
|
|
//# sourceMappingURL=index.js.map
|