@mui/core/node/SwitchUnstyled/useSwitch.js

Unstyled React components with which to implement custom design systems.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useSwitch;

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var React = _interopRequireWildcard(require("react"));

var _utils = require("@mui/utils");

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

/**
 * The basic building block for creating custom switches.
 *
 * Demos:
 *
 * - [Switches](https://mui.com/components/switches/)
 */
function useSwitch(props) {
  const {
    checked: checkedProp,
    defaultChecked,
    disabled,
    onBlur,
    onChange,
    onFocus,
    onFocusVisible,
    readOnly,
    required
  } = props;
  const [checked, setCheckedState] = (0, _utils.unstable_useControlled)({
    controlled: checkedProp,
    default: Boolean(defaultChecked),
    name: 'Switch',
    state: 'checked'
  });

  const handleInputChange = (event, otherHandler) => {
    // Workaround for https://github.com/facebook/react/issues/9023
    if (event.nativeEvent.defaultPrevented) {
      return;
    }

    setCheckedState(event.target.checked);
    onChange == null ? void 0 : onChange(event);
    otherHandler == null ? void 0 : otherHandler(event);
  };

  const {
    isFocusVisibleRef,
    onBlur: handleBlurVisible,
    onFocus: handleFocusVisible,
    ref: focusVisibleRef
  } = (0, _utils.unstable_useIsFocusVisible)();
  const [focusVisible, setFocusVisible] = React.useState(false);

  if (disabled && focusVisible) {
    setFocusVisible(false);
  }

  React.useEffect(() => {
    isFocusVisibleRef.current = focusVisible;
  }, [focusVisible, isFocusVisibleRef]);
  const inputRef = React.useRef(null);

  const handleFocus = (event, otherHandler) => {
    // Fix for https://github.com/facebook/react/issues/7769
    if (!inputRef.current) {
      inputRef.current = event.currentTarget;
    }

    handleFocusVisible(event);

    if (isFocusVisibleRef.current === true) {
      setFocusVisible(true);
      onFocusVisible == null ? void 0 : onFocusVisible(event);
    }

    onFocus == null ? void 0 : onFocus(event);
    otherHandler == null ? void 0 : otherHandler(event);
  };

  const handleBlur = (event, otherHandler) => {
    handleBlurVisible(event);

    if (isFocusVisibleRef.current === false) {
      setFocusVisible(false);
    }

    onBlur == null ? void 0 : onBlur(event);
    otherHandler == null ? void 0 : otherHandler(event);
  };

  const handleRefChange = (0, _utils.unstable_useForkRef)(focusVisibleRef, inputRef);

  const getInputProps = (otherProps = {}) => (0, _extends2.default)({
    checked: checkedProp,
    defaultChecked,
    disabled,
    readOnly,
    required,
    type: 'checkbox'
  }, otherProps, {
    onChange: event => handleInputChange(event, otherProps.onChange),
    onFocus: event => handleFocus(event, otherProps.onFocus),
    onBlur: event => handleBlur(event, otherProps.onBlur),
    ref: handleRefChange
  });

  return {
    checked,
    disabled: Boolean(disabled),
    focusVisible,
    getInputProps,
    readOnly: Boolean(readOnly)
  };
}