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workaround console.log() for new function()

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This commit is contained in:
alexlamsl 2017-04-23 14:46:35 +08:00
parent 7194c09e4c
commit f868e9e552
1 changed files with 18 additions and 7 deletions
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25
test/sandbox.js
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@ -2,14 +2,18 @@ var vm = require("vm");
var FUNC_TOSTRING = [
"Function.prototype.toString = Function.prototype.valueOf = function() {",
" var ids = [];",
" var id = 0;",
" return function() {",
" var i = ids.indexOf(this);",
" if (i < 0) {",
" i = ids.length;",
" ids.push(this);",
" var i = this.name;",
' if (typeof i != "number") {',
" i = ++id;",
' Object.defineProperty(this, "name", {',
" get: function() {",
" return i;",
" }",
" });",
" }",
' return "[Function: __func_" + i + "__]";',
' return "[Function: " + i + "]";',
" }",
"}();",
].join("\n");
@ -29,7 +33,14 @@ exports.run_code = function(code) {
console: {
log: function() {
return console.log.apply(console, [].map.call(arguments, function(arg) {
return typeof arg == "function" || arg && /Error$/.test(arg.name) ? arg.toString() : arg;
if (arg) switch (typeof arg) {
case "function":
return arg.toString();
case "object":
if (/Error$/.test(arg.name)) return arg.toString();
if (typeof arg.constructor == "function") arg.constructor.toString();
}
return arg;
}));
}
}