antd-v5/lib/form/hooks/useFrameState.js

An enterprise-class UI design language and React components implementation

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useFrameState;
var _raf = _interopRequireDefault(require("rc-util/lib/raf"));
var _react = _interopRequireWildcard(require("react"));
var React = _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 && Object.prototype.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; }
function useFrameState(defaultValue) {
  const [value, setValue] = React.useState(defaultValue);
  const frameRef = (0, _react.useRef)(null);
  const batchRef = (0, _react.useRef)([]);
  const destroyRef = (0, _react.useRef)(false);
  React.useEffect(() => {
    destroyRef.current = false;
    return () => {
      destroyRef.current = true;
      _raf.default.cancel(frameRef.current);
      frameRef.current = null;
    };
  }, []);
  function setFrameValue(updater) {
    if (destroyRef.current) {
      return;
    }
    if (frameRef.current === null) {
      batchRef.current = [];
      frameRef.current = (0, _raf.default)(() => {
        frameRef.current = null;
        setValue(prevValue => {
          let current = prevValue;
          batchRef.current.forEach(func => {
            current = func(current);
          });
          return current;
        });
      });
    }
    batchRef.current.push(updater);
  }
  return [value, setFrameValue];
}