| [6a3a178] | 1 | 'use strict';
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| 2 | /**
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| 3 | * @license Angular v12.0.0-next.0
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| 4 | * (c) 2010-2020 Google LLC. https://angular.io/
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| 5 | * License: MIT
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| 6 | */
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| 7 | (function (factory) {
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| 8 | typeof define === 'function' && define.amd ? define(factory) :
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| 9 | factory();
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| 10 | }((function () {
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| 11 | 'use strict';
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| 12 | /**
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| 13 | * @license
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| 14 | * Copyright Google LLC All Rights Reserved.
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| 15 | *
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| 16 | * Use of this source code is governed by an MIT-style license that can be
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| 17 | * found in the LICENSE file at https://angular.io/license
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| 18 | */
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| 19 | /**
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| 20 | * @fileoverview
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| 21 | * @suppress {globalThis,undefinedVars}
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| 22 | */
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| 23 | Zone.__load_patch('Error', function (global, Zone, api) {
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| 24 | /*
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| 25 | * This code patches Error so that:
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| 26 | * - It ignores un-needed stack frames.
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| 27 | * - It Shows the associated Zone for reach frame.
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| 28 | */
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| 29 | var zoneJsInternalStackFramesSymbol = api.symbol('zoneJsInternalStackFrames');
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| 30 | var NativeError = global[api.symbol('Error')] = global['Error'];
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| 31 | // Store the frames which should be removed from the stack frames
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| 32 | var zoneJsInternalStackFrames = {};
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| 33 | // We must find the frame where Error was created, otherwise we assume we don't understand stack
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| 34 | var zoneAwareFrame1;
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| 35 | var zoneAwareFrame2;
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| 36 | var zoneAwareFrame1WithoutNew;
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| 37 | var zoneAwareFrame2WithoutNew;
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| 38 | var zoneAwareFrame3WithoutNew;
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| 39 | global['Error'] = ZoneAwareError;
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| 40 | var stackRewrite = 'stackRewrite';
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| 41 | var zoneJsInternalStackFramesPolicy = global['__Zone_Error_BlacklistedStackFrames_policy'] ||
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| 42 | global['__Zone_Error_ZoneJsInternalStackFrames_policy'] || 'default';
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| 43 | function buildZoneFrameNames(zoneFrame) {
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| 44 | var zoneFrameName = { zoneName: zoneFrame.zone.name };
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| 45 | var result = zoneFrameName;
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| 46 | while (zoneFrame.parent) {
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| 47 | zoneFrame = zoneFrame.parent;
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| 48 | var parentZoneFrameName = { zoneName: zoneFrame.zone.name };
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| 49 | zoneFrameName.parent = parentZoneFrameName;
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| 50 | zoneFrameName = parentZoneFrameName;
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| 51 | }
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| 52 | return result;
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| 53 | }
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| 54 | function buildZoneAwareStackFrames(originalStack, zoneFrame, isZoneFrame) {
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| 55 | if (isZoneFrame === void 0) { isZoneFrame = true; }
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| 56 | var frames = originalStack.split('\n');
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| 57 | var i = 0;
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| 58 | // Find the first frame
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| 59 | while (!(frames[i] === zoneAwareFrame1 || frames[i] === zoneAwareFrame2 ||
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| 60 | frames[i] === zoneAwareFrame1WithoutNew || frames[i] === zoneAwareFrame2WithoutNew ||
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| 61 | frames[i] === zoneAwareFrame3WithoutNew) &&
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| 62 | i < frames.length) {
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| 63 | i++;
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| 64 | }
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| 65 | for (; i < frames.length && zoneFrame; i++) {
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| 66 | var frame = frames[i];
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| 67 | if (frame.trim()) {
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| 68 | switch (zoneJsInternalStackFrames[frame]) {
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| 69 | case 0 /* zoneJsInternal */:
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| 70 | frames.splice(i, 1);
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| 71 | i--;
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| 72 | break;
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| 73 | case 1 /* transition */:
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| 74 | if (zoneFrame.parent) {
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| 75 | // This is the special frame where zone changed. Print and process it accordingly
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| 76 | zoneFrame = zoneFrame.parent;
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| 77 | }
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| 78 | else {
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| 79 | zoneFrame = null;
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| 80 | }
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| 81 | frames.splice(i, 1);
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| 82 | i--;
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| 83 | break;
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| 84 | default:
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| 85 | frames[i] += isZoneFrame ? " [" + zoneFrame.zone.name + "]" :
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| 86 | " [" + zoneFrame.zoneName + "]";
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| 87 | }
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| 88 | }
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| 89 | }
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| 90 | return frames.join('\n');
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| 91 | }
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| 92 | /**
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| 93 | * This is ZoneAwareError which processes the stack frame and cleans up extra frames as well as
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| 94 | * adds zone information to it.
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| 95 | */
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| 96 | function ZoneAwareError() {
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| 97 | var _this = this;
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| 98 | // We always have to return native error otherwise the browser console will not work.
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| 99 | var error = NativeError.apply(this, arguments);
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| 100 | // Save original stack trace
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| 101 | var originalStack = error['originalStack'] = error.stack;
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| 102 | // Process the stack trace and rewrite the frames.
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| 103 | if (ZoneAwareError[stackRewrite] && originalStack) {
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| 104 | var zoneFrame = api.currentZoneFrame();
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| 105 | if (zoneJsInternalStackFramesPolicy === 'lazy') {
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| 106 | // don't handle stack trace now
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| 107 | error[api.symbol('zoneFrameNames')] = buildZoneFrameNames(zoneFrame);
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| 108 | }
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| 109 | else if (zoneJsInternalStackFramesPolicy === 'default') {
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| 110 | try {
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| 111 | error.stack = error.zoneAwareStack = buildZoneAwareStackFrames(originalStack, zoneFrame);
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| 112 | }
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| 113 | catch (e) {
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| 114 | // ignore as some browsers don't allow overriding of stack
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| 115 | }
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| 116 | }
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| 117 | }
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| 118 | if (this instanceof NativeError && this.constructor != NativeError) {
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| 119 | // We got called with a `new` operator AND we are subclass of ZoneAwareError
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| 120 | // in that case we have to copy all of our properties to `this`.
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| 121 | Object.keys(error).concat('stack', 'message').forEach(function (key) {
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| 122 | var value = error[key];
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| 123 | if (value !== undefined) {
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| 124 | try {
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| 125 | _this[key] = value;
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| 126 | }
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| 127 | catch (e) {
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| 128 | // ignore the assignment in case it is a setter and it throws.
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| 129 | }
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| 130 | }
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| 131 | });
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| 132 | return this;
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| 133 | }
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| 134 | return error;
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| 135 | }
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| 136 | // Copy the prototype so that instanceof operator works as expected
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| 137 | ZoneAwareError.prototype = NativeError.prototype;
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| 138 | ZoneAwareError[zoneJsInternalStackFramesSymbol] = zoneJsInternalStackFrames;
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| 139 | ZoneAwareError[stackRewrite] = false;
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| 140 | var zoneAwareStackSymbol = api.symbol('zoneAwareStack');
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| 141 | // try to define zoneAwareStack property when zoneJsInternal frames policy is delay
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| 142 | if (zoneJsInternalStackFramesPolicy === 'lazy') {
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| 143 | Object.defineProperty(ZoneAwareError.prototype, 'zoneAwareStack', {
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| 144 | configurable: true,
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| 145 | enumerable: true,
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| 146 | get: function () {
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| 147 | if (!this[zoneAwareStackSymbol]) {
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| 148 | this[zoneAwareStackSymbol] = buildZoneAwareStackFrames(this.originalStack, this[api.symbol('zoneFrameNames')], false);
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| 149 | }
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| 150 | return this[zoneAwareStackSymbol];
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| 151 | },
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| 152 | set: function (newStack) {
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| 153 | this.originalStack = newStack;
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| 154 | this[zoneAwareStackSymbol] = buildZoneAwareStackFrames(this.originalStack, this[api.symbol('zoneFrameNames')], false);
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| 155 | }
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| 156 | });
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| 157 | }
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| 158 | // those properties need special handling
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| 159 | var specialPropertyNames = ['stackTraceLimit', 'captureStackTrace', 'prepareStackTrace'];
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| 160 | // those properties of NativeError should be set to ZoneAwareError
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| 161 | var nativeErrorProperties = Object.keys(NativeError);
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| 162 | if (nativeErrorProperties) {
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| 163 | nativeErrorProperties.forEach(function (prop) {
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| 164 | if (specialPropertyNames.filter(function (sp) { return sp === prop; }).length === 0) {
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| 165 | Object.defineProperty(ZoneAwareError, prop, {
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| 166 | get: function () {
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| 167 | return NativeError[prop];
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| 168 | },
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| 169 | set: function (value) {
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| 170 | NativeError[prop] = value;
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| 171 | }
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| 172 | });
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| 173 | }
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| 174 | });
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| 175 | }
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| 176 | if (NativeError.hasOwnProperty('stackTraceLimit')) {
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| 177 | // Extend default stack limit as we will be removing few frames.
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| 178 | NativeError.stackTraceLimit = Math.max(NativeError.stackTraceLimit, 15);
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| 179 | // make sure that ZoneAwareError has the same property which forwards to NativeError.
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| 180 | Object.defineProperty(ZoneAwareError, 'stackTraceLimit', {
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| 181 | get: function () {
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| 182 | return NativeError.stackTraceLimit;
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| 183 | },
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| 184 | set: function (value) {
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| 185 | return NativeError.stackTraceLimit = value;
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| 186 | }
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| 187 | });
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| 188 | }
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| 189 | if (NativeError.hasOwnProperty('captureStackTrace')) {
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| 190 | Object.defineProperty(ZoneAwareError, 'captureStackTrace', {
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| 191 | // add named function here because we need to remove this
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| 192 | // stack frame when prepareStackTrace below
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| 193 | value: function zoneCaptureStackTrace(targetObject, constructorOpt) {
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| 194 | NativeError.captureStackTrace(targetObject, constructorOpt);
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| 195 | }
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| 196 | });
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| 197 | }
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| 198 | var ZONE_CAPTURESTACKTRACE = 'zoneCaptureStackTrace';
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| 199 | Object.defineProperty(ZoneAwareError, 'prepareStackTrace', {
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| 200 | get: function () {
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| 201 | return NativeError.prepareStackTrace;
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| 202 | },
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| 203 | set: function (value) {
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| 204 | if (!value || typeof value !== 'function') {
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| 205 | return NativeError.prepareStackTrace = value;
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| 206 | }
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| 207 | return NativeError.prepareStackTrace = function (error, structuredStackTrace) {
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| 208 | // remove additional stack information from ZoneAwareError.captureStackTrace
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| 209 | if (structuredStackTrace) {
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| 210 | for (var i = 0; i < structuredStackTrace.length; i++) {
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| 211 | var st = structuredStackTrace[i];
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| 212 | // remove the first function which name is zoneCaptureStackTrace
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| 213 | if (st.getFunctionName() === ZONE_CAPTURESTACKTRACE) {
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| 214 | structuredStackTrace.splice(i, 1);
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| 215 | break;
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| 216 | }
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| 217 | }
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| 218 | }
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| 219 | return value.call(this, error, structuredStackTrace);
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| 220 | };
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| 221 | }
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| 222 | });
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| 223 | if (zoneJsInternalStackFramesPolicy === 'disable') {
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| 224 | // don't need to run detectZone to populate zoneJs internal stack frames
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| 225 | return;
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| 226 | }
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| 227 | // Now we need to populate the `zoneJsInternalStackFrames` as well as find the
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| 228 | // run/runGuarded/runTask frames. This is done by creating a detect zone and then threading
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| 229 | // the execution through all of the above methods so that we can look at the stack trace and
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| 230 | // find the frames of interest.
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| 231 | var detectZone = Zone.current.fork({
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| 232 | name: 'detect',
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| 233 | onHandleError: function (parentZD, current, target, error) {
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| 234 | if (error.originalStack && Error === ZoneAwareError) {
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| 235 | var frames_1 = error.originalStack.split(/\n/);
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| 236 | var runFrame = false, runGuardedFrame = false, runTaskFrame = false;
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| 237 | while (frames_1.length) {
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| 238 | var frame = frames_1.shift();
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| 239 | // On safari it is possible to have stack frame with no line number.
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| 240 | // This check makes sure that we don't filter frames on name only (must have
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| 241 | // line number or exact equals to `ZoneAwareError`)
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| 242 | if (/:\d+:\d+/.test(frame) || frame === 'ZoneAwareError') {
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| 243 | // Get rid of the path so that we don't accidentally find function name in path.
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| 244 | // In chrome the separator is `(` and `@` in FF and safari
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| 245 | // Chrome: at Zone.run (zone.js:100)
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| 246 | // Chrome: at Zone.run (http://localhost:9876/base/build/lib/zone.js:100:24)
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| 247 | // FireFox: Zone.prototype.run@http://localhost:9876/base/build/lib/zone.js:101:24
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| 248 | // Safari: run@http://localhost:9876/base/build/lib/zone.js:101:24
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| 249 | var fnName = frame.split('(')[0].split('@')[0];
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| 250 | var frameType = 1 /* transition */;
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| 251 | if (fnName.indexOf('ZoneAwareError') !== -1) {
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| 252 | if (fnName.indexOf('new ZoneAwareError') !== -1) {
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| 253 | zoneAwareFrame1 = frame;
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| 254 | zoneAwareFrame2 = frame.replace('new ZoneAwareError', 'new Error.ZoneAwareError');
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| 255 | }
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| 256 | else {
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| 257 | zoneAwareFrame1WithoutNew = frame;
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| 258 | zoneAwareFrame2WithoutNew = frame.replace('Error.', '');
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| 259 | if (frame.indexOf('Error.ZoneAwareError') === -1) {
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| 260 | zoneAwareFrame3WithoutNew =
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| 261 | frame.replace('ZoneAwareError', 'Error.ZoneAwareError');
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| 262 | }
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| 263 | }
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| 264 | zoneJsInternalStackFrames[zoneAwareFrame2] = 0 /* zoneJsInternal */;
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| 265 | }
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| 266 | if (fnName.indexOf('runGuarded') !== -1) {
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| 267 | runGuardedFrame = true;
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| 268 | }
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| 269 | else if (fnName.indexOf('runTask') !== -1) {
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| 270 | runTaskFrame = true;
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| 271 | }
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| 272 | else if (fnName.indexOf('run') !== -1) {
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| 273 | runFrame = true;
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| 274 | }
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| 275 | else {
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| 276 | frameType = 0 /* zoneJsInternal */;
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| 277 | }
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| 278 | zoneJsInternalStackFrames[frame] = frameType;
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| 279 | // Once we find all of the frames we can stop looking.
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| 280 | if (runFrame && runGuardedFrame && runTaskFrame) {
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| 281 | ZoneAwareError[stackRewrite] = true;
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| 282 | break;
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| 283 | }
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| 284 | }
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| 285 | }
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| 286 | }
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| 287 | return false;
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| 288 | }
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| 289 | });
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| 290 | // carefully constructor a stack frame which contains all of the frames of interest which
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| 291 | // need to be detected and marked as an internal zoneJs frame.
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| 292 | var childDetectZone = detectZone.fork({
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| 293 | name: 'child',
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| 294 | onScheduleTask: function (delegate, curr, target, task) {
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| 295 | return delegate.scheduleTask(target, task);
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| 296 | },
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| 297 | onInvokeTask: function (delegate, curr, target, task, applyThis, applyArgs) {
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| 298 | return delegate.invokeTask(target, task, applyThis, applyArgs);
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| 299 | },
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| 300 | onCancelTask: function (delegate, curr, target, task) {
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| 301 | return delegate.cancelTask(target, task);
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| 302 | },
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| 303 | onInvoke: function (delegate, curr, target, callback, applyThis, applyArgs, source) {
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| 304 | return delegate.invoke(target, callback, applyThis, applyArgs, source);
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| 305 | }
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| 306 | });
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| 307 | // we need to detect all zone related frames, it will
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| 308 | // exceed default stackTraceLimit, so we set it to
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| 309 | // larger number here, and restore it after detect finish.
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| 310 | // We cast through any so we don't need to depend on nodejs typings.
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| 311 | var originalStackTraceLimit = Error.stackTraceLimit;
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| 312 | Error.stackTraceLimit = 100;
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| 313 | // we schedule event/micro/macro task, and invoke them
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| 314 | // when onSchedule, so we can get all stack traces for
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| 315 | // all kinds of tasks with one error thrown.
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| 316 | childDetectZone.run(function () {
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| 317 | childDetectZone.runGuarded(function () {
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| 318 | var fakeTransitionTo = function () { };
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| 319 | childDetectZone.scheduleEventTask(zoneJsInternalStackFramesSymbol, function () {
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| 320 | childDetectZone.scheduleMacroTask(zoneJsInternalStackFramesSymbol, function () {
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| 321 | childDetectZone.scheduleMicroTask(zoneJsInternalStackFramesSymbol, function () {
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| 322 | throw new Error();
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| 323 | }, undefined, function (t) {
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| 324 | t._transitionTo = fakeTransitionTo;
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| 325 | t.invoke();
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| 326 | });
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| 327 | childDetectZone.scheduleMicroTask(zoneJsInternalStackFramesSymbol, function () {
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| 328 | throw Error();
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| 329 | }, undefined, function (t) {
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| 330 | t._transitionTo = fakeTransitionTo;
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| 331 | t.invoke();
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| 332 | });
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| 333 | }, undefined, function (t) {
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| 334 | t._transitionTo = fakeTransitionTo;
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| 335 | t.invoke();
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| 336 | }, function () { });
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| 337 | }, undefined, function (t) {
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| 338 | t._transitionTo = fakeTransitionTo;
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| 339 | t.invoke();
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| 340 | }, function () { });
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| 341 | });
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| 342 | });
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| 343 | Error.stackTraceLimit = originalStackTraceLimit;
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| 344 | });
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| 345 | })));
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