text: /*
  	MIT License http://www.opensource.org/licenses/mit-license.php
  	Author Tobias Koppers @sokra
  */
  var SetVarMainTemplatePlugin = require("./SetVarMainTemplatePlugin");
  
  function accessorToObjectAccess(accessor) {
  	return accessor.map(function(a) {
  		return "[" + JSON.stringify(a) + "]";
  	}).join("");
  }
  
  function accessorAccess(base, accessor, joinWith) {
  	accessor = [].concat(accessor);
  	return accessor.map(function(a, idx) {
  		a = base ?
  			base + accessorToObjectAccess(accessor.slice(0, idx + 1)) :
  			accessor[0] + accessorToObjectAccess(accessor.slice(1, idx + 1));
  		if(idx === accessor.length - 1) return a;
  		if(idx === 0 && typeof base === "undefined") return a + " = typeof " + a + " === \"object\" ? " + a + " : {}";
  		return a + " = " + a + " || {}";
  	}).join(joinWith || "; ");
  }
  
  function LibraryTemplatePlugin(name, target) {
  	this.name = name;
  	this.target = target;
  }
  module.exports = LibraryTemplatePlugin;
  LibraryTemplatePlugin.prototype.apply = function(compiler) {
  	compiler.plugin("this-compilation", function(compilation) {
  		switch(this.target) {
  			case "var":
  				compilation.apply(new SetVarMainTemplatePlugin("var " + accessorAccess(false, this.name)));
  				break;
  			case "assign":
  				compilation.apply(new SetVarMainTemplatePlugin(accessorAccess(undefined, this.name)));
  				break;
  			case "this":
  			case "window":
  			case "global":
  				if(this.name)
  					compilation.apply(new SetVarMainTemplatePlugin(accessorAccess(this.target, this.name)));
  				else
  					compilation.apply(new SetVarMainTemplatePlugin(this.target, true));
  				break;
  			case "commonjs":
  				if(this.name)
  					compilation.apply(new SetVarMainTemplatePlugin(accessorAccess("exports", this.name)));
  				else
  					compilation.apply(new SetVarMainTemplatePlugin("exports", true));
  				break;
  			case "commonjs2":
  				compilation.apply(new SetVarMainTemplatePlugin("module.exports"));
  				break;
  			case "amd":
  				var AmdMainTemplatePlugin = require("./AmdMainTemplatePlugin");
  				compilation.apply(new AmdMainTemplatePlugin(this.name));
  				break;
  			case "umd":
  			case "umd2":
  				var UmdMainTemplatePlugin = require("./UmdMainTemplatePlugin");
  				compilation.apply(new UmdMainTemplatePlugin(this.name, this.target === "umd2"));
  				break;
  			case "jsonp":
  				var JsonpExportMainTemplatePlugin = require("./JsonpExportMainTemplatePlugin");
  				compilation.apply(new JsonpExportMainTemplatePlugin(this.name));
  				break;
  			default:
  				throw new Error(this.target + " is not a valid Library target");
  		}
  	}.bind(this));
  };
  