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https://github.com/facebook/react-native.git
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Rubén Norte
4409642811
Summary: | Group | Before | After | Change | | Untyped | 50 | 49 | -1 | | flow | 197 | 155 | -42 | | flow strict-local | 226 | 185 | -41 | | flow strict | 33 | 117 | +84 Changelog: [Changed] Improved Flow typing of multiple modules (with migrations to `flow strict` and `flow strict-local` Reviewed By: motiz88 Differential Revision: D22549140 fbshipit-source-id: ed29415332cfce15b244ee4dea9e13d035543175
35 lines
778 B
JavaScript
35 lines
778 B
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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* @format
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* @flow strict
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*/
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'use strict';
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const warning = require('fbjs/lib/warning');
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const warnedKeys: {[string]: boolean, ...} = {};
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/**
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* A simple function that prints a warning message once per session.
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*
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* @param {string} key - The key used to ensure the message is printed once.
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* This should be unique to the callsite.
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* @param {string} message - The message to print
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*/
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function warnOnce(key: string, message: string) {
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if (warnedKeys[key]) {
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return;
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}
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warning(false, message);
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warnedKeys[key] = true;
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}
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module.exports = warnOnce;
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