77 lines
2.6 KiB
JavaScript
77 lines
2.6 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow
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*/
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'use strict';
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const getDevServer = require('getDevServer');
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const {SourceCode} = require('NativeModules');
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// Avoid requiring fetch on load of this module; see symbolicateStackTrace
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let fetch;
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import type {StackFrame} from 'parseErrorStack';
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function isSourcedFromDisk(sourcePath: string): boolean {
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return !/^http/.test(sourcePath) && /[\\/]/.test(sourcePath);
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}
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async function symbolicateStackTrace(
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stack: Array<StackFrame>,
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): Promise<Array<StackFrame>> {
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// RN currently lazy loads whatwg-fetch using a custom fetch module, which,
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// when called for the first time, requires and re-exports 'whatwg-fetch'.
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// However, when a dependency of the project tries to require whatwg-fetch
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// either directly or indirectly, whatwg-fetch is required before
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// RN can lazy load whatwg-fetch. As whatwg-fetch checks
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// for a fetch polyfill before loading, it will in turn try to load
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// RN's fetch module, which immediately tries to import whatwg-fetch AGAIN.
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// This causes a circular require which results in RN's fetch module
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// exporting fetch as 'undefined'.
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// The fix below postpones trying to load fetch until the first call to symbolicateStackTrace.
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// At that time, we will have either global.fetch (whatwg-fetch) or RN's fetch.
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if (!fetch) {
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fetch = global.fetch || require('fetch').fetch;
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}
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const devServer = getDevServer();
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if (!devServer.bundleLoadedFromServer) {
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throw new Error('Bundle was not loaded from the packager');
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}
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let stackCopy = stack;
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if (SourceCode.scriptURL) {
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let foundInternalSource: boolean = false;
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stackCopy = stack.map((frame: StackFrame) => {
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// If the sources exist on disk rather than appearing to come from the packager,
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// replace the location with the packager URL until we reach an internal source
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// which does not have a path (no slashes), indicating a switch from within
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// the application to a surrounding debugging environment.
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if (!foundInternalSource && isSourcedFromDisk(frame.file)) {
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// Copy frame into new object and replace 'file' property
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return {...frame, file: SourceCode.scriptURL};
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}
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foundInternalSource = true;
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return frame;
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});
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}
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const response = await fetch(devServer.url + 'symbolicate', {
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method: 'POST',
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body: JSON.stringify({stack: stackCopy}),
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});
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const json = await response.json();
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return json.stack;
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}
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module.exports = symbolicateStackTrace;
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