[loadmode addon] Work with requirejs

See http://discuss.codemirror.net/t/loadmode-js

Author: marijnh

addon/mode/loadmode.js

@@ -3,12 +3,12 @@
 
 (function(mod) {
   if (typeof exports == "object" && typeof module == "object") // CommonJS
-    mod(require("../../lib/codemirror"));
+    mod(require("../../lib/codemirror"), "cjs");
   else if (typeof define == "function" && define.amd) // AMD
-    define(["../../lib/codemirror"], mod);
+    define(["../../lib/codemirror"], function(CM) { mod(CM, "amd"); });
   else // Plain browser env
-    mod(CodeMirror);
-})(function(CodeMirror) {
+    mod(CodeMirror, "plain");
+})(function(CodeMirror, env) {
   if (!CodeMirror.modeURL) CodeMirror.modeURL = "../mode/%N/%N.js";
 
   var loading = {};
@@ -35,21 +35,24 @@
     if (CodeMirror.modes.hasOwnProperty(mode)) return ensureDeps(mode, cont);
     if (loading.hasOwnProperty(mode)) return loading[mode].push(cont);
 
-    var script = document.createElement("script");
-    script.src = CodeMirror.modeURL.replace(/%N/g, mode);
-    var others = document.getElementsByTagName("script")[0];
-    others.parentNode.insertBefore(script, others);
-    var list = loading[mode] = [cont];
-    var count = 0, poll = setInterval(function() {
-      if (++count > 100) return clearInterval(poll);
-      if (CodeMirror.modes.hasOwnProperty(mode)) {
-        clearInterval(poll);
-        loading[mode] = null;
+    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]();
         });
-      }
-    }, 200);
+      });
+      others.parentNode.insertBefore(script, others);
+    } else if (env == "cjs") {
+      require(file);
+      cont();
+    } else if (env == "amd") {
+      requirejs([file], cont);
+    }
   };
 
   CodeMirror.autoLoadMode = function(instance, mode) {

test/lint/lint.js

@@ -22,7 +22,7 @@ var topAllowedGlobals = Object.create(null);
  "screen FileReader Worker postMessage importScripts " +
  "setInterval clearInterval setTimeout clearTimeout " +
  "CodeMirror " +
- "test exports require module define")
+ "test exports require module define requirejs")
   .split(" ").forEach(function(n) { topAllowedGlobals[n] = true; });
 
 var fs = require("fs"), acorn = require("./acorn.js"), walk = require("./walk.js");