[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}
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| 22 | */
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| 23 | var NEWLINE = '\n';
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| 24 | var IGNORE_FRAMES = {};
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| 25 | var creationTrace = '__creationTrace__';
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| 26 | var ERROR_TAG = 'STACKTRACE TRACKING';
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| 27 | var SEP_TAG = '__SEP_TAG__';
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| 28 | var sepTemplate = SEP_TAG + '@[native]';
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| 29 | var LongStackTrace = /** @class */ (function () {
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| 30 | function LongStackTrace() {
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| 31 | this.error = getStacktrace();
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| 32 | this.timestamp = new Date();
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| 33 | }
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| 34 | return LongStackTrace;
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| 35 | }());
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| 36 | function getStacktraceWithUncaughtError() {
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| 37 | return new Error(ERROR_TAG);
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| 38 | }
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| 39 | function getStacktraceWithCaughtError() {
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| 40 | try {
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| 41 | throw getStacktraceWithUncaughtError();
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| 42 | }
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| 43 | catch (err) {
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| 44 | return err;
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| 45 | }
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| 46 | }
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| 47 | // Some implementations of exception handling don't create a stack trace if the exception
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| 48 | // isn't thrown, however it's faster not to actually throw the exception.
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| 49 | var error = getStacktraceWithUncaughtError();
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| 50 | var caughtError = getStacktraceWithCaughtError();
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| 51 | var getStacktrace = error.stack ?
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| 52 | getStacktraceWithUncaughtError :
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| 53 | (caughtError.stack ? getStacktraceWithCaughtError : getStacktraceWithUncaughtError);
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| 54 | function getFrames(error) {
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| 55 | return error.stack ? error.stack.split(NEWLINE) : [];
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| 56 | }
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| 57 | function addErrorStack(lines, error) {
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| 58 | var trace = getFrames(error);
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| 59 | for (var i = 0; i < trace.length; i++) {
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| 60 | var frame = trace[i];
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| 61 | // Filter out the Frames which are part of stack capturing.
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| 62 | if (!IGNORE_FRAMES.hasOwnProperty(frame)) {
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| 63 | lines.push(trace[i]);
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| 64 | }
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| 65 | }
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| 66 | }
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| 67 | function renderLongStackTrace(frames, stack) {
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| 68 | var longTrace = [stack ? stack.trim() : ''];
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| 69 | if (frames) {
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| 70 | var timestamp = new Date().getTime();
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| 71 | for (var i = 0; i < frames.length; i++) {
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| 72 | var traceFrames = frames[i];
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| 73 | var lastTime = traceFrames.timestamp;
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| 74 | var separator = "____________________Elapsed " + (timestamp - lastTime.getTime()) + " ms; At: " + lastTime;
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| 75 | separator = separator.replace(/[^\w\d]/g, '_');
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| 76 | longTrace.push(sepTemplate.replace(SEP_TAG, separator));
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| 77 | addErrorStack(longTrace, traceFrames.error);
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| 78 | timestamp = lastTime.getTime();
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| 79 | }
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| 80 | }
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| 81 | return longTrace.join(NEWLINE);
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| 82 | }
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| 83 | // if Error.stackTraceLimit is 0, means stack trace
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| 84 | // is disabled, so we don't need to generate long stack trace
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| 85 | // this will improve performance in some test(some test will
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| 86 | // set stackTraceLimit to 0, https://github.com/angular/zone.js/issues/698
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| 87 | function stackTracesEnabled() {
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| 88 | // Cast through any since this property only exists on Error in the nodejs
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| 89 | // typings.
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| 90 | return Error.stackTraceLimit > 0;
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| 91 | }
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| 92 | Zone['longStackTraceZoneSpec'] = {
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| 93 | name: 'long-stack-trace',
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| 94 | longStackTraceLimit: 10,
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| 95 | // add a getLongStackTrace method in spec to
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| 96 | // handle handled reject promise error.
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| 97 | getLongStackTrace: function (error) {
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| 98 | if (!error) {
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| 99 | return undefined;
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| 100 | }
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| 101 | var trace = error[Zone.__symbol__('currentTaskTrace')];
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| 102 | if (!trace) {
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| 103 | return error.stack;
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| 104 | }
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| 105 | return renderLongStackTrace(trace, error.stack);
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| 106 | },
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| 107 | onScheduleTask: function (parentZoneDelegate, currentZone, targetZone, task) {
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| 108 | if (stackTracesEnabled()) {
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| 109 | var currentTask = Zone.currentTask;
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| 110 | var trace = currentTask && currentTask.data && currentTask.data[creationTrace] || [];
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| 111 | trace = [new LongStackTrace()].concat(trace);
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| 112 | if (trace.length > this.longStackTraceLimit) {
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| 113 | trace.length = this.longStackTraceLimit;
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| 114 | }
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| 115 | if (!task.data)
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| 116 | task.data = {};
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| 117 | if (task.type === 'eventTask') {
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| 118 | // Fix issue https://github.com/angular/zone.js/issues/1195,
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| 119 | // For event task of browser, by default, all task will share a
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| 120 | // singleton instance of data object, we should create a new one here
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| 121 | // The cast to `any` is required to workaround a closure bug which wrongly applies
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| 122 | // URL sanitization rules to .data access.
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| 123 | task.data = Object.assign({}, task.data);
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| 124 | }
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| 125 | task.data[creationTrace] = trace;
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| 126 | }
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| 127 | return parentZoneDelegate.scheduleTask(targetZone, task);
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| 128 | },
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| 129 | onHandleError: function (parentZoneDelegate, currentZone, targetZone, error) {
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| 130 | if (stackTracesEnabled()) {
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| 131 | var parentTask = Zone.currentTask || error.task;
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| 132 | if (error instanceof Error && parentTask) {
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| 133 | var longStack = renderLongStackTrace(parentTask.data && parentTask.data[creationTrace], error.stack);
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| 134 | try {
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| 135 | error.stack = error.longStack = longStack;
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| 136 | }
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| 137 | catch (err) {
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| 138 | }
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| 139 | }
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| 140 | }
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| 141 | return parentZoneDelegate.handleError(targetZone, error);
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| 142 | }
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| 143 | };
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| 144 | function captureStackTraces(stackTraces, count) {
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| 145 | if (count > 0) {
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| 146 | stackTraces.push(getFrames((new LongStackTrace()).error));
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| 147 | captureStackTraces(stackTraces, count - 1);
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| 148 | }
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| 149 | }
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| 150 | function computeIgnoreFrames() {
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| 151 | if (!stackTracesEnabled()) {
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| 152 | return;
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| 153 | }
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| 154 | var frames = [];
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| 155 | captureStackTraces(frames, 2);
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| 156 | var frames1 = frames[0];
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| 157 | var frames2 = frames[1];
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| 158 | for (var i = 0; i < frames1.length; i++) {
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| 159 | var frame1 = frames1[i];
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| 160 | if (frame1.indexOf(ERROR_TAG) == -1) {
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| 161 | var match = frame1.match(/^\s*at\s+/);
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| 162 | if (match) {
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| 163 | sepTemplate = match[0] + SEP_TAG + ' (http://localhost)';
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| 164 | break;
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| 165 | }
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| 166 | }
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| 167 | }
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| 168 | for (var i = 0; i < frames1.length; i++) {
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| 169 | var frame1 = frames1[i];
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| 170 | var frame2 = frames2[i];
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| 171 | if (frame1 === frame2) {
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| 172 | IGNORE_FRAMES[frame1] = true;
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| 173 | }
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| 174 | else {
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| 175 | break;
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| 176 | }
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| 177 | }
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| 178 | }
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| 179 | computeIgnoreFrames();
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| 180 | })));
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