github.com/elliott5/community@v0.14.1-0.20160709191136-823126fb026a/app/public/codemirror/addon/mode/loadmode.js (about)

     1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
     2  // Distributed under an MIT license: http://codemirror.net/LICENSE
     3  
     4  (function(mod) {
     5    if (typeof exports == "object" && typeof module == "object") // CommonJS
     6      mod(require("../../lib/codemirror"), "cjs");
     7    else if (typeof define == "function" && define.amd) // AMD
     8      define(["../../lib/codemirror"], function(CM) { mod(CM, "amd"); });
     9    else // Plain browser env
    10      mod(CodeMirror, "plain");
    11  })(function(CodeMirror, env) {
    12    if (!CodeMirror.modeURL) CodeMirror.modeURL = "../mode/%N/%N.js";
    13  
    14    var loading = {};
    15    function splitCallback(cont, n) {
    16      var countDown = n;
    17      return function() { if (--countDown == 0) cont(); };
    18    }
    19    function ensureDeps(mode, cont) {
    20      var deps = CodeMirror.modes[mode].dependencies;
    21      if (!deps) return cont();
    22      var missing = [];
    23      for (var i = 0; i < deps.length; ++i) {
    24        if (!CodeMirror.modes.hasOwnProperty(deps[i]))
    25          missing.push(deps[i]);
    26      }
    27      if (!missing.length) return cont();
    28      var split = splitCallback(cont, missing.length);
    29      for (var i = 0; i < missing.length; ++i)
    30        CodeMirror.requireMode(missing[i], split);
    31    }
    32  
    33    CodeMirror.requireMode = function(mode, cont) {
    34      if (typeof mode != "string") mode = mode.name;
    35      if (CodeMirror.modes.hasOwnProperty(mode)) return ensureDeps(mode, cont);
    36      if (loading.hasOwnProperty(mode)) return loading[mode].push(cont);
    37  
    38      var file = CodeMirror.modeURL.replace(/%N/g, mode);
    39      if (env == "plain") {
    40        var script = document.createElement("script");
    41        script.src = file;
    42        var others = document.getElementsByTagName("script")[0];
    43        var list = loading[mode] = [cont];
    44        CodeMirror.on(script, "load", function() {
    45          ensureDeps(mode, function() {
    46            for (var i = 0; i < list.length; ++i) list[i]();
    47          });
    48        });
    49        others.parentNode.insertBefore(script, others);
    50      } else if (env == "cjs") {
    51        require(file);
    52        cont();
    53      } else if (env == "amd") {
    54        requirejs([file], cont);
    55      }
    56    };
    57  
    58    CodeMirror.autoLoadMode = function(instance, mode) {
    59      if (!CodeMirror.modes.hasOwnProperty(mode))
    60        CodeMirror.requireMode(mode, function() {
    61          instance.setOption("mode", instance.getOption("mode"));
    62        });
    63    };
    64  });