@mui/base/useSwitch/useSwitch.js

import _extends from "@babel/runtime/helpers/esm/extends";
import * as React from 'react';
import { unstable_useControlled as useControlled, unstable_useForkRef as useForkRef, unstable_useIsFocusVisible as useIsFocusVisible } from '@mui/utils';
/**
 * The basic building block for creating custom switches.
 *
 * Demos:
 *
 * - [Switch](https://mui.com/base/react-switch/#hook)
 *
 * API:
 *
 * - [useSwitch API](https://mui.com/base/react-switch/hooks-api/#use-switch)
 */
export default function useSwitch(props) {
  const {
    checked: checkedProp,
    defaultChecked,
    disabled,
    onBlur,
    onChange,
    onFocus,
    onFocusVisible,
    readOnly,
    required
  } = props;
  const [checked, setCheckedState] = useControlled({
    controlled: checkedProp,
    default: Boolean(defaultChecked),
    name: 'Switch',
    state: 'checked'
  });
  const createHandleInputChange = otherProps => event => {
    var _otherProps$onChange;
    // Workaround for https://github.com/facebook/react/issues/9023
    if (event.nativeEvent.defaultPrevented) {
      return;
    }
    setCheckedState(event.target.checked);
    onChange == null ? void 0 : onChange(event);
    (_otherProps$onChange = otherProps.onChange) == null ? void 0 : _otherProps$onChange.call(otherProps, event);
  };
  const {
    isFocusVisibleRef,
    onBlur: handleBlurVisible,
    onFocus: handleFocusVisible,
    ref: focusVisibleRef
  } = useIsFocusVisible();
  const [focusVisible, setFocusVisible] = React.useState(false);
  if (disabled && focusVisible) {
    setFocusVisible(false);
  }
  React.useEffect(() => {
    isFocusVisibleRef.current = focusVisible;
  }, [focusVisible, isFocusVisibleRef]);
  const inputRef = React.useRef(null);
  const createHandleFocus = otherProps => event => {
    var _otherProps$onFocus;
    // 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);
    (_otherProps$onFocus = otherProps.onFocus) == null ? void 0 : _otherProps$onFocus.call(otherProps, event);
  };
  const createHandleBlur = otherProps => event => {
    var _otherProps$onBlur;
    handleBlurVisible(event);
    if (isFocusVisibleRef.current === false) {
      setFocusVisible(false);
    }
    onBlur == null ? void 0 : onBlur(event);
    (_otherProps$onBlur = otherProps.onBlur) == null ? void 0 : _otherProps$onBlur.call(otherProps, event);
  };
  const handleInputRef = useForkRef(focusVisibleRef, inputRef);
  const getInputProps = (otherProps = {}) => _extends({
    checked: checkedProp,
    defaultChecked,
    disabled,
    readOnly,
    ref: handleInputRef,
    required,
    type: 'checkbox'
  }, otherProps, {
    onChange: createHandleInputChange(otherProps),
    onFocus: createHandleFocus(otherProps),
    onBlur: createHandleBlur(otherProps)
  });
  return {
    checked,
    disabled: Boolean(disabled),
    focusVisible,
    getInputProps,
    inputRef: handleInputRef,
    readOnly: Boolean(readOnly)
  };
}