mirror of
https://github.com/facebook/react.git
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98d410f500
* Implement component stack extraction hack * Normalize errors in tests This drops the requirement to include owner to pass the test. * Special case tests * Add destructuring to force toObject which throws before the side-effects This ensures that we don't double call yieldValue or advanceTime in tests. Ideally we could use empty destructuring but ES lint doesn't like it. * Cache the result in DEV In DEV it's somewhat likely that we'll see many logs that add component stacks. This could be slow so we cache the results of previous components. * Fixture * Add Reflect to lint * Log if out of range. * Fix special case when the function call throws in V8 In V8 we need to ignore the first line. Normally we would never get there because the stacks would differ before that, but the stacks are the same if we end up throwing at the same place as the control.
62 lines
1.8 KiB
JavaScript
62 lines
1.8 KiB
JavaScript
/**
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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
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*/
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// Helpers to patch console.logs to avoid logging during side-effect free
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// replaying on render function. This currently only patches the object
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// lazily which won't cover if the log function was extracted eagerly.
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// We could also eagerly patch the method.
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let disabledDepth = 0;
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let prevLog;
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let prevInfo;
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let prevWarn;
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let prevError;
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function disabledLog() {}
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export function disableLogs(): void {
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if (__DEV__) {
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if (disabledDepth === 0) {
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/* eslint-disable react-internal/no-production-logging */
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prevLog = console.log;
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prevInfo = console.info;
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prevWarn = console.warn;
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prevError = console.error;
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// $FlowFixMe Flow thinks console is immutable.
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console.log = console.info = console.warn = console.error = disabledLog;
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/* eslint-enable react-internal/no-production-logging */
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}
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disabledDepth++;
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}
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}
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export function reenableLogs(): void {
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if (__DEV__) {
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disabledDepth--;
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if (disabledDepth === 0) {
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/* eslint-disable react-internal/no-production-logging */
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// $FlowFixMe Flow thinks console is immutable.
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console.log = prevLog;
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// $FlowFixMe Flow thinks console is immutable.
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console.info = prevInfo;
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// $FlowFixMe Flow thinks console is immutable.
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console.warn = prevWarn;
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// $FlowFixMe Flow thinks console is immutable.
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console.error = prevError;
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/* eslint-enable react-internal/no-production-logging */
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}
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if (disabledDepth < 0) {
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console.error(
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'disabledDepth fell below zero. ' +
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'This is a bug in React. Please file an issue.',
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);
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}
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}
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}
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