Initial commit

node_modules/@fluentui/react-utilities/lib/hooks/useFirstMount.js

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+import * as React from 'react';
+/**
+ * @internal
+ * Checks if components was mounted the first time.
+ * Since concurrent mode will be released in the future this needs to be verified
+ * Currently (React 17) will always render the initial mount once
+ * https://codesandbox.io/s/heuristic-brook-s4w0q?file=/src/App.jsx
+ * https://codesandbox.io/s/holy-grass-8nieu?file=/src/App.jsx
+ *
+ * @example
+ * const isFirstMount = useFirstMount();
+ */ export function useFirstMount() {
+    const isFirst = React.useRef(true);
+    if (isFirst.current) {
+        isFirst.current = false;
+        return true;
+    }
+    return isFirst.current;
+}