Yang Guo | 4fd355c | 2019-09-19 08:59:03 | [diff] [blame] | 1 | /** Used for built-in method references. */ |
| 2 | var funcProto = Function.prototype; |
| 3 | |
| 4 | /** Used to resolve the decompiled source of functions. */ |
| 5 | var funcToString = funcProto.toString; |
| 6 | |
| 7 | /** |
| 8 | * Converts `func` to its source code. |
| 9 | * |
| 10 | * @private |
| 11 | * @param {Function} func The function to convert. |
| 12 | * @returns {string} Returns the source code. |
| 13 | */ |
| 14 | function toSource(func) { |
| 15 | if (func != null) { |
| 16 | try { |
| 17 | return funcToString.call(func); |
| 18 | } catch (e) {} |
| 19 | try { |
| 20 | return (func + ''); |
| 21 | } catch (e) {} |
| 22 | } |
| 23 | return ''; |
| 24 | } |
| 25 | |
| 26 | module.exports = toSource; |