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https://github.com/facebook/react-native.git
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Eli White
e362470305
Summary: This diff was generated by this script used by WWW https://our.intern.facebook.com/intern/diffusion/WWW/browse/master/scripts/flow/upgrade_to_flow_strict_local.sh?lines=0 Changelog: [Internal] Upgrade flow to flow strict-local Reviewed By: zackargyle, rickhanlonii Differential Revision: D18833630 fbshipit-source-id: e64d4e9a49a0db5e6bf70a0c489567862b578d7f
35 lines
784 B
JavaScript
35 lines
784 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-local
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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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