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39 lines
1.3 KiB
39 lines
1.3 KiB
'use strict';
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function checkDCE() {
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/* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */
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if (
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typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === 'undefined' ||
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typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.checkDCE !== 'function'
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) {
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return;
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}
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if (process.env.NODE_ENV !== 'production') {
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// This branch is unreachable because this function is only called
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// in production, but the condition is true only in development.
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// Therefore if the branch is still here, dead code elimination wasn't
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// properly applied.
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// Don't change the message. React DevTools relies on it. Also make sure
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// this message doesn't occur elsewhere in this function, or it will cause
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// a false positive.
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throw new Error('^_^');
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}
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try {
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// Verify that the code above has been dead code eliminated (DCE'd).
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__REACT_DEVTOOLS_GLOBAL_HOOK__.checkDCE(checkDCE);
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} catch (err) {
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// DevTools shouldn't crash React, no matter what.
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// We should still report in case we break this code.
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console.error(err);
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}
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}
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if (process.env.NODE_ENV === 'production') {
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// DCE check should happen before ReactDOM bundle executes so that
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// DevTools can report bad minification during injection.
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checkDCE();
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module.exports = require('./cjs/react-dom.production.min.js');
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} else {
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module.exports = require('./cjs/react-dom.development.js');
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}
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