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

46 lines
1.0 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow
*/
'use strict';
export type StackFrame = {
column: ?number,
file: string,
lineNumber: number,
methodName: string,
};
export type ExtendedError = Error & {
framesToPop?: number,
jsEngine?: string,
};
function parseErrorStack(e: ExtendedError): Array<StackFrame> {
if (!e || !e.stack) {
return [];
}
/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an
* error found when Flow v0.54 was deployed. To see the error delete this
* comment and run Flow. */
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;