ce4c83ff
 wxy
初始提交
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/**
* 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, document */
// TODO - consider switching this out for a recommendation for this polyfill?
// <script src="https://cdn.polyfill.io/v2/polyfill.min.js"></script>
// Browsers have good Promise support
require('promise/polyfill');
var options = require('../less/default-options')();
if (window.less) {
for (key in window.less) {
if (window.less.hasOwnProperty(key)) {
options[key] = window.less[key];
}
}
}
require('./add-default-options')(window, options);
options.plugins = options.plugins || [];
if (window.LESS_PLUGINS) {
options.plugins = options.plugins.concat(window.LESS_PLUGINS);
}
var less = module.exports = require('./index')(window, options);
window.less = less;
var css, head, style;
// Always restore page visibility
function resolveOrReject(data) {
if (data.filename) {
console.warn(data);
}
if (!options.async) {
head.removeChild(style);
}
}
if (options.onReady) {
if (/!watch/.test(window.location.hash)) {
less.watch();
}
// Simulate synchronous stylesheet loading by hiding page rendering
if (!options.async) {
css = 'body { display: none !important }';
head = document.head || document.getElementsByTagName('head')[0];
style = document.createElement('style');
style.type = 'text/css';
if (style.styleSheet) {
style.styleSheet.cssText = css;
} else {
style.appendChild(document.createTextNode(css));
}
head.appendChild(style);
}
less.registerStylesheetsImmediately();
less.pageLoadFinished = less.refresh(less.env === 'development').then(resolveOrReject, resolveOrReject);
}
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