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Last change
on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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100644
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File size:
1.3 KB
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[d565449] | 1 | 'use strict';
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| 2 |
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| 3 | function checkDCE() {
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| 4 | /* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */
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| 5 | if (
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| 6 | typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === 'undefined' ||
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| 7 | typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.checkDCE !== 'function'
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| 8 | ) {
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| 9 | return;
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| 10 | }
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| 11 | if (process.env.NODE_ENV !== 'production') {
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| 12 | // This branch is unreachable because this function is only called
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| 13 | // in production, but the condition is true only in development.
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| 14 | // Therefore if the branch is still here, dead code elimination wasn't
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| 15 | // properly applied.
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| 16 | // Don't change the message. React DevTools relies on it. Also make sure
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| 17 | // this message doesn't occur elsewhere in this function, or it will cause
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| 18 | // a false positive.
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| 19 | throw new Error('^_^');
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| 20 | }
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| 21 | try {
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| 22 | // Verify that the code above has been dead code eliminated (DCE'd).
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| 23 | __REACT_DEVTOOLS_GLOBAL_HOOK__.checkDCE(checkDCE);
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| 24 | } catch (err) {
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| 25 | // DevTools shouldn't crash React, no matter what.
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| 26 | // We should still report in case we break this code.
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| 27 | console.error(err);
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| 28 | }
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| 29 | }
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| 30 |
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| 31 | if (process.env.NODE_ENV === 'production') {
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| 32 | // DCE check should happen before ReactDOM bundle executes so that
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| 33 | // DevTools can report bad minification during injection.
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| 34 | checkDCE();
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| 35 | module.exports = require('./cjs/react-dom.profiling.min.js');
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| 36 | } else {
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| 37 | module.exports = require('./cjs/react-dom.development.js');
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| 38 | }
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