78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and 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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import Platform from '../Utilities/Platform';
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declare var console: typeof console & {_isPolyfilled: boolean, ...};
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/**
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* Sets up developer tools for React Native.
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* You can use this module directly, or just require InitializeCore.
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*/
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if (__DEV__) {
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require('./setUpReactDevTools');
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// Set up inspector
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const JSInspector = require('../JSInspector/JSInspector');
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JSInspector.registerAgent(require('../JSInspector/NetworkAgent'));
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// Note we can't check if console is "native" because it would appear "native" in JSC and Hermes.
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// We also can't check any properties that don't exist in the Chrome worker environment.
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// So we check a navigator property that's set to a particular value ("Netscape") in all real browsers.
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const isLikelyARealBrowser =
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global.navigator != null &&
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/* _
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* | |
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* _ __ ___| |_ ___ ___ __ _ _ __ ___
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* | '_ \ / _ \ __/ __|/ __/ _` | '_ \ / _ \
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* | | | | __/ |_\__ \ (_| (_| | |_) | __/
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* |_| |_|\___|\__|___/\___\__,_| .__/ \___|
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* | |
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* |_|
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*/
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global.navigator.appName === 'Netscape'; // Any real browser
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if (!Platform.isTesting) {
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const HMRClient = require('../Utilities/HMRClient');
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if (console._isPolyfilled) {
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// We assume full control over the console and send JavaScript logs to Metro.
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[
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'trace',
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'info',
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'warn',
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'error',
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'log',
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'group',
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'groupCollapsed',
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'groupEnd',
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'debug',
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].forEach(level => {
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const originalFunction = console[level];
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console[level] = function (...args: $ReadOnlyArray<mixed>) {
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HMRClient.log(level, args);
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originalFunction.apply(console, args);
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};
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});
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} else {
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// We assume the environment has a real rich console (like Chrome), and don't hijack it to log to Metro.
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// It's likely the developer is using rich console to debug anyway, and hijacking it would
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// lose the filenames in console.log calls: https://github.com/facebook/react-native/issues/26788.
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HMRClient.log('log', [
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`JavaScript logs will appear in your ${
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isLikelyARealBrowser ? 'browser' : 'environment'
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} console`,
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]);
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}
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}
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require('./setUpReactRefresh');
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}
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