@wordpress/components/build-module/input-control/input-field.js

UI components for WordPress.

import _extends from "@babel/runtime/helpers/esm/extends";
import { createElement } from "@wordpress/element";

/**
 * External dependencies
 */
import { useDrag } from '@use-gesture/react';

/**
 * WordPress dependencies
 */
import { forwardRef, useRef } from '@wordpress/element';
/**
 * Internal dependencies
 */

import { useDragCursor } from './utils';
import { Input } from './styles/input-control-styles';
import { useInputControlStateReducer } from './reducer/reducer';

const noop = () => {};

function InputField(_ref, ref) {
  let {
    disabled = false,
    dragDirection = 'n',
    dragThreshold = 10,
    id,
    isDragEnabled = false,
    isFocused,
    isPressEnterToChange = false,
    onBlur = noop,
    onChange = noop,
    onDrag = noop,
    onDragEnd = noop,
    onDragStart = noop,
    onFocus = noop,
    onKeyDown = noop,
    onValidate = noop,
    size = 'default',
    setIsFocused,
    stateReducer = state => state,
    value: valueProp,
    type,
    ...props
  } = _ref;
  const {
    // State.
    state,
    // Actions.
    change,
    commit,
    drag,
    dragEnd,
    dragStart,
    invalidate,
    pressDown,
    pressEnter,
    pressUp,
    reset
  } = useInputControlStateReducer(stateReducer, {
    isDragEnabled,
    value: valueProp,
    isPressEnterToChange
  }, onChange);
  const {
    value,
    isDragging,
    isDirty
  } = state;
  const wasDirtyOnBlur = useRef(false);
  const dragCursor = useDragCursor(isDragging, dragDirection);

  const handleOnBlur = event => {
    onBlur(event);
    setIsFocused === null || setIsFocused === void 0 ? void 0 : setIsFocused(false);
    /**
     * If isPressEnterToChange is set, this commits the value to
     * the onChange callback.
     */

    if (isDirty || !event.target.validity.valid) {
      wasDirtyOnBlur.current = true;
      handleOnCommit(event);
    }
  };

  const handleOnFocus = event => {
    onFocus(event);
    setIsFocused === null || setIsFocused === void 0 ? void 0 : setIsFocused(true);
  };

  const handleOnChange = event => {
    const nextValue = event.target.value;
    change(nextValue, event);
  };

  const handleOnCommit = event => {
    const nextValue = event.currentTarget.value;

    try {
      onValidate(nextValue);
      commit(nextValue, event);
    } catch (err) {
      invalidate(err, event);
    }
  };

  const handleOnKeyDown = event => {
    const {
      key
    } = event;
    onKeyDown(event);

    switch (key) {
      case 'ArrowUp':
        pressUp(event);
        break;

      case 'ArrowDown':
        pressDown(event);
        break;

      case 'Enter':
        pressEnter(event);

        if (isPressEnterToChange) {
          event.preventDefault();
          handleOnCommit(event);
        }

        break;

      case 'Escape':
        if (isPressEnterToChange && isDirty) {
          event.preventDefault();
          reset(valueProp, event);
        }

        break;
    }
  };

  const dragGestureProps = useDrag(dragProps => {
    const {
      distance,
      dragging,
      event,
      target
    } = dragProps; // The `target` prop always references the `input` element while, by
    // default, the `dragProps.event.target` property would reference the real
    // event target (i.e. any DOM element that the pointer is hovering while
    // dragging). Ensuring that the `target` is always the `input` element
    // allows consumers of `InputControl` (or any higher-level control) to
    // check the input's validity by accessing `event.target.validity.valid`.

    dragProps.event = { ...dragProps.event,
      target
    };
    if (!distance) return;
    event.stopPropagation();
    /**
     * Quick return if no longer dragging.
     * This prevents unnecessary value calculations.
     */

    if (!dragging) {
      onDragEnd(dragProps);
      dragEnd(dragProps);
      return;
    }

    onDrag(dragProps);
    drag(dragProps);

    if (!isDragging) {
      onDragStart(dragProps);
      dragStart(dragProps);
    }
  }, {
    axis: dragDirection === 'e' || dragDirection === 'w' ? 'x' : 'y',
    threshold: dragThreshold,
    enabled: isDragEnabled,
    pointer: {
      capture: false
    }
  });
  const dragProps = isDragEnabled ? dragGestureProps() : {};
  /*
   * Works around the odd UA (e.g. Firefox) that does not focus inputs of
   * type=number when their spinner arrows are pressed.
   */

  let handleOnMouseDown;

  if (type === 'number') {
    handleOnMouseDown = event => {
      var _props$onMouseDown;

      (_props$onMouseDown = props.onMouseDown) === null || _props$onMouseDown === void 0 ? void 0 : _props$onMouseDown.call(props, event);

      if (event.currentTarget !== event.currentTarget.ownerDocument.activeElement) {
        event.currentTarget.focus();
      }
    };
  }

  return createElement(Input, _extends({}, props, dragProps, {
    className: "components-input-control__input",
    disabled: disabled,
    dragCursor: dragCursor,
    isDragging: isDragging,
    id: id,
    onBlur: handleOnBlur,
    onChange: handleOnChange,
    onFocus: handleOnFocus,
    onKeyDown: handleOnKeyDown,
    onMouseDown: handleOnMouseDown,
    ref: ref,
    inputSize: size // Fallback to `''` to avoid "uncontrolled to controlled" warning.
    // See https://github.com/WordPress/gutenberg/pull/47250 for details.
    ,
    value: value !== null && value !== void 0 ? value : '',
    type: type
  }));
}

const ForwardedComponent = forwardRef(InputField);
export default ForwardedComponent;
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