@wordpress/components/build-module/select-control/index.js

UI components for WordPress.

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

/**
 * External dependencies
 */
import classNames from 'classnames';
/**
 * WordPress dependencies
 */

import { useInstanceId } from '@wordpress/compose';
import { useState, forwardRef } from '@wordpress/element';
/**
 * Internal dependencies
 */

import BaseControl from '../base-control';
import InputBase from '../input-control/input-base';
import { Select } from './styles/select-control-styles';
import SelectControlChevronDown from './chevron-down';

const noop = () => {};

function useUniqueId(idProp) {
  const instanceId = useInstanceId(SelectControl);
  const id = `inspector-select-control-${instanceId}`;
  return idProp || id;
}

function UnforwardedSelectControl(props, ref) {
  const {
    className,
    disabled = false,
    help,
    hideLabelFromVision,
    id: idProp,
    label,
    multiple = false,
    onBlur = noop,
    onChange,
    onFocus = noop,
    options = [],
    size = 'default',
    value: valueProp,
    labelPosition = 'top',
    children,
    prefix,
    suffix,
    __next36pxDefaultSize = false,
    __nextHasNoMarginBottom = false,
    ...restProps
  } = props;
  const [isFocused, setIsFocused] = useState(false);
  const id = useUniqueId(idProp);
  const helpId = help ? `${id}__help` : undefined; // Disable reason: A select with an onchange throws a warning.

  if (!(options !== null && options !== void 0 && options.length) && !children) return null;

  const handleOnBlur = event => {
    onBlur(event);
    setIsFocused(false);
  };

  const handleOnFocus = event => {
    onFocus(event);
    setIsFocused(true);
  };

  const handleOnChange = event => {
    var _props$onChange2;

    if (props.multiple) {
      var _props$onChange;

      const selectedOptions = Array.from(event.target.options).filter(_ref => {
        let {
          selected
        } = _ref;
        return selected;
      });
      const newValues = selectedOptions.map(_ref2 => {
        let {
          value
        } = _ref2;
        return value;
      });
      (_props$onChange = props.onChange) === null || _props$onChange === void 0 ? void 0 : _props$onChange.call(props, newValues, {
        event
      });
      return;
    }

    (_props$onChange2 = props.onChange) === null || _props$onChange2 === void 0 ? void 0 : _props$onChange2.call(props, event.target.value, {
      event
    });
  };

  const classes = classNames('components-select-control', className);
  return createElement(BaseControl, {
    help: help,
    id: id,
    __nextHasNoMarginBottom: __nextHasNoMarginBottom
  }, createElement(InputBase, {
    className: classes,
    disabled: disabled,
    hideLabelFromVision: hideLabelFromVision,
    id: id,
    isFocused: isFocused,
    label: label,
    size: size,
    suffix: suffix || !multiple && createElement(SelectControlChevronDown, null),
    prefix: prefix,
    labelPosition: labelPosition,
    __next36pxDefaultSize: __next36pxDefaultSize
  }, createElement(Select, _extends({}, restProps, {
    __next36pxDefaultSize: __next36pxDefaultSize,
    "aria-describedby": helpId,
    className: "components-select-control__input",
    disabled: disabled,
    id: id,
    multiple: multiple,
    onBlur: handleOnBlur,
    onChange: handleOnChange,
    onFocus: handleOnFocus,
    ref: ref,
    selectSize: size,
    value: valueProp
  }), children || options.map((option, index) => {
    const key = option.id || `${option.label}-${option.value}-${index}`;
    return createElement("option", {
      key: key,
      value: option.value,
      disabled: option.disabled
    }, option.label);
  }))));
}
/**
 * `SelectControl` allows users to select from a single or multiple option menu.
 * It functions as a wrapper around the browser's native `<select>` element.
 *
 * @example
 * import { SelectControl } from '@wordpress/components';
 * import { useState } from '@wordpress/element';
 *
 * const MySelectControl = () => {
 *   const [ size, setSize ] = useState( '50%' );
 *
 *   return (
 *     <SelectControl
 *       label="Size"
 *       value={ size }
 *       options={ [
 *         { label: 'Big', value: '100%' },
 *         { label: 'Medium', value: '50%' },
 *         { label: 'Small', value: '25%' },
 *       ] }
 *       onChange={ setSize }
 *     />
 *   );
 * };
 */


export const SelectControl = forwardRef(UnforwardedSelectControl);
export default SelectControl;
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