refun/web/map-keyboard-focused.js

A collection of React Hook-enabled functions that compose harmoniously with each other. Similar to `recompose`, but:

import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import { useState, useRef } from 'react';
import { isFunction, NOOP } from 'tsfn';
export var mapKeyboardFocused = function mapKeyboardFocused(props) {
  var _useState = useState(false),
      _useState2 = _slicedToArray(_useState, 2),
      isKeyboardFocused = _useState2[0],
      setIsKeyboardFocused = _useState2[1];

  var origOnFocusRef = useRef();
  var origOnBlurRef = useRef();
  var origOnPressInRef = useRef();
  var origOnPressOutRef = useRef();
  var isPressed = useRef(false);
  var onPressInRef = useRef(NOOP);
  var onPressOutRef = useRef(NOOP);
  var onFocusRef = useRef(NOOP);
  var onBlurRef = useRef(NOOP);
  origOnFocusRef.current = props.onFocus;
  origOnBlurRef.current = props.onBlur;
  origOnPressInRef.current = props.onPressIn;
  origOnPressOutRef.current = props.onPressOut;

  if (onPressInRef.current === NOOP) {
    onPressInRef.current = function () {
      isPressed.current = true;

      if (isFunction(origOnPressInRef.current)) {
        origOnPressInRef.current();
      }
    };
  }

  if (onPressOutRef.current === NOOP) {
    onPressOutRef.current = function () {
      isPressed.current = false;

      if (isFunction(origOnPressOutRef.current)) {
        origOnPressOutRef.current();
      }
    };
  }

  if (onFocusRef.current === NOOP) {
    onFocusRef.current = function () {
      if (isPressed.current === false) {
        setIsKeyboardFocused(true);
      }

      if (isFunction(origOnFocusRef.current)) {
        origOnFocusRef.current();
      }
    };
  }

  if (onBlurRef.current === NOOP) {
    onBlurRef.current = function () {
      setIsKeyboardFocused(false);

      if (isFunction(origOnBlurRef.current)) {
        origOnBlurRef.current();
      }
    };
  }

  return Object.assign({}, props, {
    isKeyboardFocused: isKeyboardFocused || Boolean(props.isKeyboardFocused),
    onFocus: onFocusRef.current,
    onBlur: onBlurRef.current,
    onPressIn: onPressInRef.current,
    onPressOut: onPressOutRef.current
  });
};
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