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-rw-r--r--node_modules/react-dom/profiling.js38
1 files changed, 38 insertions, 0 deletions
diff --git a/node_modules/react-dom/profiling.js b/node_modules/react-dom/profiling.js
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index 0000000..91f89f0
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+++ b/node_modules/react-dom/profiling.js
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+'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.profiling.min.js');
+} else {
+ module.exports = require('./cjs/react-dom.development.js');
+}