97 lines
3.2 KiB
JavaScript
97 lines
3.2 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule ExceptionsManager
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* @flow
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*/
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'use strict';
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let exceptionID = 0;
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/**
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* Handles the developer-visible aspect of errors and exceptions
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*/
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function reportException(e: Error, isFatal: bool) {
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const parseErrorStack = require('parseErrorStack');
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const symbolicateStackTrace = require('symbolicateStackTrace');
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const RCTExceptionsManager = require('NativeModules').ExceptionsManager;
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const currentExceptionID = ++exceptionID;
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if (RCTExceptionsManager) {
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const stack = parseErrorStack(e);
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if (isFatal) {
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RCTExceptionsManager.reportFatalException(e.message, stack, currentExceptionID);
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} else {
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RCTExceptionsManager.reportSoftException(e.message, stack, currentExceptionID);
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}
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if (__DEV__) {
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symbolicateStackTrace(stack).then(
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(prettyStack) =>
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RCTExceptionsManager.updateExceptionMessage(e.message, prettyStack, currentExceptionID),
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(error) =>
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console.warn('Unable to symbolicate stack trace: ' + error.message)
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);
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}
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}
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}
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/**
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* Logs exceptions to the (native) console and displays them
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*/
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function handleException(e: Error, isFatal: boolean) {
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// Workaround for reporting errors caused by `throw 'some string'`
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// Unfortunately there is no way to figure out the stacktrace in this
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// case, so if you ended up here trying to trace an error, look for
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// `throw '<error message>'` somewhere in your codebase.
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if (!e.message) {
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e = new Error(e);
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}
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(console._errorOriginal || console.error)(e.message);
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reportException(e, isFatal);
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}
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/**
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* Shows a redbox with stacktrace for all console.error messages. Disable by
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* setting `console.reportErrorsAsExceptions = false;` in your app.
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*/
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function installConsoleErrorReporter() {
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// Enable reportErrorsAsExceptions
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if (console._errorOriginal) {
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return; // already installed
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}
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console._errorOriginal = console.error.bind(console);
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console.error = function reactConsoleError() {
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console._errorOriginal.apply(null, arguments);
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if (!console.reportErrorsAsExceptions) {
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return;
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}
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if (arguments[0] && arguments[0].stack) {
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reportException(arguments[0], /* isFatal */ false);
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} else {
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const stringifySafe = require('stringifySafe');
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const str = Array.prototype.map.call(arguments, stringifySafe).join(', ');
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if (str.slice(0, 10) === '"Warning: ') {
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// React warnings use console.error so that a stack trace is shown, but
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// we don't (currently) want these to show a redbox
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// (Note: Logic duplicated in polyfills/console.js.)
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return;
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}
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const error : any = new Error('console.error: ' + str);
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error.framesToPop = 1;
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reportException(error, /* isFatal */ false);
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}
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};
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if (console.reportErrorsAsExceptions === undefined) {
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console.reportErrorsAsExceptions = true; // Individual apps can disable this
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}
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}
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module.exports = { handleException, installConsoleErrorReporter };
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