react-native/Libraries/Core/Devtools/parseErrorStack.js

41 lines
974 B
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule parseErrorStack
* @flow
*/
'use strict';
export type StackFrame = {
column: ?number,
file: string,
lineNumber: number,
methodName: string,
};
export type ExtendedError = Error & {
framesToPop?: number,
};
function parseErrorStack(e: ExtendedError): Array<StackFrame> {
if (!e || !e.stack) {
return [];
}
const stacktraceParser = require('stacktrace-parser');
const stack = Array.isArray(e.stack) ? e.stack : stacktraceParser.parse(e.stack);
let framesToPop = typeof e.framesToPop === 'number' ? e.framesToPop : 0;
while (framesToPop--) {
stack.shift();
}
return stack;
}
module.exports = parseErrorStack;