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Defines functions that can be used for introspection when logging in JS V8 and NodeJS. Originally found here: https://stackoverflow.com/questions/14172455/get-name-and-line-of-calling-function-in-node-js
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| if (!global.hasOwnProperty("__DEBUG_LOG_INTROSPECTION__")) { | |
| Object.defineProperty(global, '__stack', { | |
| get: function () { | |
| var orig = Error.prepareStackTrace; | |
| Error.prepareStackTrace = function (_, stack) { | |
| return stack; | |
| }; | |
| var err = new Error; | |
| Error.captureStackTrace(err, arguments.callee); | |
| var stack = err.stack; | |
| Error.prepareStackTrace = orig; | |
| return stack; | |
| } | |
| }); | |
| Object.defineProperty(global, '__line', { | |
| get: function () { | |
| return __stack[1].getLineNumber(); | |
| } | |
| }); | |
| Object.defineProperty(global, '__function', { | |
| get: function () { | |
| return __stack[1].getFunctionName(); | |
| } | |
| }); | |
| Object.defineProperty(global, '__fileName', { | |
| get: function () { | |
| let fullpath = __stack[1].getFileName().trim().split(/\/|\\/); | |
| return fullpath[fullpath.length - 1]; | |
| } | |
| }); | |
| Object.defineProperty(global, "__DEBUG_LOG_INTROSPECTION__", { | |
| "Type": "FLAG" | |
| }); | |
| } |
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