pixsy/node_modules/less/lib/less-browser/bootstrap.js

52 lines
1.4 KiB
JavaScript

/**
* 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 */
// 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;
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 blocking 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);
}