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- (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
- var indexOf = function (xs, item) {
- if (xs.indexOf) return xs.indexOf(item);
- else for (var i = 0; i < xs.length; i++) {
- if (xs[i] === item) return i;
- }
- return -1;
- };
- var Object_keys = function (obj) {
- if (Object.keys) return Object.keys(obj)
- else {
- var res = [];
- for (var key in obj) res.push(key)
- return res;
- }
- };
-
- var forEach = function (xs, fn) {
- if (xs.forEach) return xs.forEach(fn)
- else for (var i = 0; i < xs.length; i++) {
- fn(xs[i], i, xs);
- }
- };
-
- var defineProp = (function() {
- try {
- Object.defineProperty({}, '_', {});
- return function(obj, name, value) {
- Object.defineProperty(obj, name, {
- writable: true,
- enumerable: false,
- configurable: true,
- value: value
- })
- };
- } catch(e) {
- return function(obj, name, value) {
- obj[name] = value;
- };
- }
- }());
-
- var globals = ['Array', 'Boolean', 'Date', 'Error', 'EvalError', 'Function',
- 'Infinity', 'JSON', 'Math', 'NaN', 'Number', 'Object', 'RangeError',
- 'ReferenceError', 'RegExp', 'String', 'SyntaxError', 'TypeError', 'URIError',
- 'decodeURI', 'decodeURIComponent', 'encodeURI', 'encodeURIComponent', 'escape',
- 'eval', 'isFinite', 'isNaN', 'parseFloat', 'parseInt', 'undefined', 'unescape'];
-
- function Context() {}
- Context.prototype = {};
-
- var Script = exports.Script = function NodeScript (code) {
- if (!(this instanceof Script)) return new Script(code);
- this.code = code;
- };
-
- Script.prototype.runInContext = function (context) {
- if (!(context instanceof Context)) {
- throw new TypeError("needs a 'context' argument.");
- }
-
- var iframe = document.createElement('iframe');
- if (!iframe.style) iframe.style = {};
- iframe.style.display = 'none';
-
- document.body.appendChild(iframe);
-
- var win = iframe.contentWindow;
- var wEval = win.eval, wExecScript = win.execScript;
-
- if (!wEval && wExecScript) {
- // win.eval() magically appears when this is called in IE:
- wExecScript.call(win, 'null');
- wEval = win.eval;
- }
-
- forEach(Object_keys(context), function (key) {
- win[key] = context[key];
- });
- forEach(globals, function (key) {
- if (context[key]) {
- win[key] = context[key];
- }
- });
-
- var winKeys = Object_keys(win);
-
- var res = wEval.call(win, this.code);
-
- forEach(Object_keys(win), function (key) {
- // Avoid copying circular objects like `top` and `window` by only
- // updating existing context properties or new properties in the `win`
- // that was only introduced after the eval.
- if (key in context || indexOf(winKeys, key) === -1) {
- context[key] = win[key];
- }
- });
-
- forEach(globals, function (key) {
- if (!(key in context)) {
- defineProp(context, key, win[key]);
- }
- });
-
- document.body.removeChild(iframe);
-
- return res;
- };
-
- Script.prototype.runInThisContext = function () {
- return eval(this.code); // maybe...
- };
-
- Script.prototype.runInNewContext = function (context) {
- var ctx = Script.createContext(context);
- var res = this.runInContext(ctx);
-
- if (context) {
- forEach(Object_keys(ctx), function (key) {
- context[key] = ctx[key];
- });
- }
-
- return res;
- };
-
- forEach(Object_keys(Script.prototype), function (name) {
- exports[name] = Script[name] = function (code) {
- var s = Script(code);
- return s[name].apply(s, [].slice.call(arguments, 1));
- };
- });
-
- exports.isContext = function (context) {
- return context instanceof Context;
- };
-
- exports.createScript = function (code) {
- return exports.Script(code);
- };
-
- exports.createContext = Script.createContext = function (context) {
- var copy = new Context();
- if(typeof context === 'object') {
- forEach(Object_keys(context), function (key) {
- copy[key] = context[key];
- });
- }
- return copy;
- };
-
- },{}],2:[function(require,module,exports){
- var vm = require('vm');
-
- window.addEventListener('load', function () {
- var res = vm.runInNewContext('a + 5', { a : 100 });
- document.querySelector('#res').textContent = res;
- });
-
- },{"vm":1}]},{},[2]);
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