You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

161 lines
4.7 KiB

4 years ago
(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]);