Bones/node_modules/zone.js/dist/long-stack-trace-zone.js
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2017-05-17 13:45:25 -04:00

169 lines
6.0 KiB
JavaScript

/******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId])
/******/ return installedModules[moduleId].exports;
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ exports: {},
/******/ id: moduleId,
/******/ loaded: false
/******/ };
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/ // Flag the module as loaded
/******/ module.loaded = true;
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/ // Load entry module and return exports
/******/ return __webpack_require__(0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ function(module, exports) {
'use strict';
(function () {
var NEWLINE = '\n';
var SEP = ' ------------- ';
var IGNORE_FRAMES = [];
var creationTrace = '__creationTrace__';
var LongStackTrace = (function () {
function LongStackTrace() {
this.error = getStacktrace();
this.timestamp = new Date();
}
return LongStackTrace;
}());
function getStacktraceWithUncaughtError() {
return new Error('STACKTRACE TRACKING');
}
function getStacktraceWithCaughtError() {
try {
throw getStacktraceWithUncaughtError();
}
catch (e) {
return e;
}
}
// Some implementations of exception handling don't create a stack trace if the exception
// isn't thrown, however it's faster not to actually throw the exception.
var error = getStacktraceWithUncaughtError();
var coughtError = getStacktraceWithCaughtError();
var getStacktrace = error.stack
? getStacktraceWithUncaughtError
: (coughtError.stack ? getStacktraceWithCaughtError : getStacktraceWithUncaughtError);
function getFrames(error) {
return error.stack ? error.stack.split(NEWLINE) : [];
}
function addErrorStack(lines, error) {
var trace;
trace = getFrames(error);
for (var i = 0; i < trace.length; i++) {
var frame = trace[i];
// Filter out the Frames which are part of stack capturing.
if (!(i < IGNORE_FRAMES.length && IGNORE_FRAMES[i] === frame)) {
lines.push(trace[i]);
}
}
}
function renderLongStackTrace(frames, stack) {
var longTrace = [stack];
if (frames) {
var timestamp = new Date().getTime();
for (var i = 0; i < frames.length; i++) {
var traceFrames = frames[i];
var lastTime = traceFrames.timestamp;
longTrace.push(SEP + " Elapsed: " + (timestamp - lastTime.getTime()) + " ms; At: " + lastTime + " " + SEP);
addErrorStack(longTrace, traceFrames.error);
timestamp = lastTime.getTime();
}
}
return longTrace.join(NEWLINE);
}
Zone['longStackTraceZoneSpec'] = {
name: 'long-stack-trace',
longStackTraceLimit: 10,
onScheduleTask: function (parentZoneDelegate, currentZone, targetZone, task) {
var currentTask = Zone.currentTask;
var trace = currentTask && currentTask.data && currentTask.data[creationTrace] || [];
trace = [new LongStackTrace()].concat(trace);
if (trace.length > this.longStackTraceLimit) {
trace.length = this.longStackTraceLimit;
}
if (!task.data)
task.data = {};
task.data[creationTrace] = trace;
return parentZoneDelegate.scheduleTask(targetZone, task);
},
onHandleError: function (parentZoneDelegate, currentZone, targetZone, error) {
var parentTask = Zone.currentTask;
if (error instanceof Error && parentTask) {
var descriptor = Object.getOwnPropertyDescriptor(error, 'stack');
if (descriptor) {
var delegateGet = descriptor.get;
var value = descriptor.value;
descriptor = {
get: function () {
return renderLongStackTrace(parentTask.data && parentTask.data[creationTrace], delegateGet ? delegateGet.apply(this) : value);
}
};
Object.defineProperty(error, 'stack', descriptor);
}
else {
error.stack = renderLongStackTrace(parentTask.data && parentTask.data[creationTrace], error.stack);
}
}
return parentZoneDelegate.handleError(targetZone, error);
}
};
function captureStackTraces(stackTraces, count) {
if (count > 0) {
stackTraces.push(getFrames((new LongStackTrace()).error));
captureStackTraces(stackTraces, count - 1);
}
}
function computeIgnoreFrames() {
var frames = [];
captureStackTraces(frames, 2);
var frames1 = frames[0];
var frames2 = frames[1];
for (var i = 0; i < frames1.length; i++) {
var frame1 = frames1[i];
var frame2 = frames2[i];
if (frame1 === frame2) {
IGNORE_FRAMES.push(frame1);
}
else {
break;
}
}
}
computeIgnoreFrames();
})();
/***/ }
/******/ ]);