react-native/Libraries/Core/Devtools/parseErrorStack.js
Sophie Alpert 1490ab12ef Update license headers for MIT license
Summary:
Includes React Native and its dependencies Fresco, Metro, and Yoga. Excludes samples/examples/docs.

find: ^(?:( *)|( *(?:[\*~#]|::))( )? *)?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+?BSD[\s\S]+?(?:this source tree|the same directory)\.$
replace: $1$2$3Copyright (c) $4-present, Facebook, Inc.\n$2\n$1$2$3This source code is licensed under the MIT license found in the\n$1$2$3LICENSE file in the root directory of this source tree.

Reviewed By: TheSavior, yungsters

Differential Revision: D7007050

fbshipit-source-id: 37dd6bf0ffec0923bfc99c260bb330683f35553e
2018-02-16 18:31:53 -08:00

42 lines
1.0 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @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 [];
}
/* $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;