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