@base-ui-components/react/cjs/utils/useId.js

Base UI is a library of headless ('unstyled') React components and low-level hooks. You gain complete control over your app's CSS and accessibility features.

"use strict";
'use client';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useId = useId;
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
let globalId = 0;

// TODO React 17: Remove `useGlobalId` once React 17 support is removed
function useGlobalId(idOverride, prefix = 'mui') {
  const [defaultId, setDefaultId] = React.useState(idOverride);
  const id = idOverride || defaultId;
  React.useEffect(() => {
    if (defaultId == null) {
      // Fallback to this default id when possible.
      // Use the incrementing value for client-side rendering only.
      // We can't use it server-side.
      // If you want to use random values please consider the Birthday Problem: https://en.wikipedia.org/wiki/Birthday_problem
      globalId += 1;
      setDefaultId(`${prefix}-${globalId}`);
    }
  }, [defaultId, prefix]);
  return id;
}

// See https://github.com/mui/material-ui/issues/41190#issuecomment-2040873379 for why
const safeReact = {
  ...React
};
const maybeReactUseId = safeReact.useId;

/**
 *
 * @example <div id={useId()} />
 * @param idOverride
 * @returns {string}
 */
function useId(idOverride, prefix) {
  // React.useId() is only available from React 17.0.0.
  if (maybeReactUseId !== undefined) {
    const reactId = maybeReactUseId();
    return idOverride ?? (prefix ? `${prefix}-${reactId}` : reactId);
  }

  // TODO: uncomment once we enable eslint-plugin-react-compiler // eslint-disable-next-line react-compiler/react-compiler
  // eslint-disable-next-line react-hooks/rules-of-hooks -- `React.useId` is invariant at runtime.
  return useGlobalId(idOverride, prefix);
}