HackMD/public/vendor/codemirror/addon/mode/loadmode.js

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2015-05-04 07:53:29 +00:00
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"), "cjs");
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], function(CM) { mod(CM, "amd"); });
else // Plain browser env
mod(CodeMirror, "plain");
})(function(CodeMirror, env) {
if (!CodeMirror.modeURL) CodeMirror.modeURL = "../mode/%N/%N.js";
var loading = {};
function splitCallback(cont, n) {
var countDown = n;
return function() { if (--countDown == 0) cont(); };
}
function ensureDeps(mode, cont) {
var deps = CodeMirror.modes[mode].dependencies;
if (!deps) return cont();
var missing = [];
for (var i = 0; i < deps.length; ++i) {
if (!CodeMirror.modes.hasOwnProperty(deps[i]))
missing.push(deps[i]);
}
if (!missing.length) return cont();
var split = splitCallback(cont, missing.length);
for (var i = 0; i < missing.length; ++i)
CodeMirror.requireMode(missing[i], split);
}
CodeMirror.requireMode = function(mode, cont) {
if (typeof mode != "string") mode = mode.name;
if (CodeMirror.modes.hasOwnProperty(mode)) return ensureDeps(mode, cont);
if (loading.hasOwnProperty(mode)) return loading[mode].push(cont);
var file = CodeMirror.modeURL.replace(/%N/g, mode);
if (env == "plain") {
var script = document.createElement("script");
script.src = file;
var others = document.getElementsByTagName("script")[0];
var list = loading[mode] = [cont];
CodeMirror.on(script, "load", function() {
ensureDeps(mode, function() {
for (var i = 0; i < list.length; ++i) list[i]();
});
});
others.parentNode.insertBefore(script, others);
} else if (env == "cjs") {
require(file);
cont();
} else if (env == "amd") {
requirejs([file], cont);
}
};
CodeMirror.autoLoadMode = function(instance, mode) {
if (!CodeMirror.modes.hasOwnProperty(mode))
CodeMirror.requireMode(mode, function() {
instance.setOption("mode", instance.getOption("mode"));
});
};
});