65 lines
1.7 KiB
JavaScript
65 lines
1.7 KiB
JavaScript
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/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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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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* @flow strict-local
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* @format
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*/
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'use strict';
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import symbolicateStackTrace from '../../Core/Devtools/symbolicateStackTrace';
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import type {StackFrame} from '../../Core/NativeExceptionsManager';
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import type {SymbolicatedStackTrace} from '../../Core/Devtools/symbolicateStackTrace';
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export type Stack = Array<StackFrame>;
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const cache: Map<Stack, Promise<SymbolicatedStackTrace>> = new Map();
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/**
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* Sanitize because sometimes, `symbolicateStackTrace` gives us invalid values.
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*/
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const sanitize = ({
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stack: maybeStack,
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codeFrame,
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}: SymbolicatedStackTrace): SymbolicatedStackTrace => {
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if (!Array.isArray(maybeStack)) {
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throw new Error('Expected stack to be an array.');
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}
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const stack = [];
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for (const maybeFrame of maybeStack) {
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let collapse = false;
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if ('collapse' in maybeFrame) {
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if (typeof maybeFrame.collapse !== 'boolean') {
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throw new Error('Expected stack frame `collapse` to be a boolean.');
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}
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collapse = maybeFrame.collapse;
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}
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stack.push({
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column: maybeFrame.column,
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file: maybeFrame.file,
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lineNumber: maybeFrame.lineNumber,
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methodName: maybeFrame.methodName,
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collapse,
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});
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}
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return {stack, codeFrame};
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};
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export function deleteStack(stack: Stack): void {
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cache.delete(stack);
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}
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export function symbolicate(stack: Stack): Promise<SymbolicatedStackTrace> {
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let promise = cache.get(stack);
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if (promise == null) {
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promise = symbolicateStackTrace(stack).then(sanitize);
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cache.set(stack, promise);
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}
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return promise;
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}
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