@wordpress/components/build-module/form-token-field/token-input.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 { forwardRef, useState } from '@wordpress/element';
/**
 * Internal dependencies
 */

export function UnForwardedTokenInput(props, ref) {
  const {
    value,
    isExpanded,
    instanceId,
    selectedSuggestionIndex,
    className,
    onChange,
    onFocus,
    onBlur,
    ...restProps
  } = props;
  const [hasFocus, setHasFocus] = useState(false);
  const size = value ? value.length + 1 : 0;

  const onChangeHandler = event => {
    if (onChange) {
      onChange({
        value: event.target.value
      });
    }
  };

  const onFocusHandler = e => {
    setHasFocus(true);
    onFocus === null || onFocus === void 0 ? void 0 : onFocus(e);
  };

  const onBlurHandler = e => {
    setHasFocus(false);
    onBlur === null || onBlur === void 0 ? void 0 : onBlur(e);
  };

  return createElement("input", _extends({
    ref: ref,
    id: `components-form-token-input-${instanceId}`,
    type: "text"
  }, restProps, {
    value: value || '',
    onChange: onChangeHandler,
    onFocus: onFocusHandler,
    onBlur: onBlurHandler,
    size: size,
    className: classnames(className, 'components-form-token-field__input'),
    autoComplete: "off",
    role: "combobox",
    "aria-expanded": isExpanded,
    "aria-autocomplete": "list",
    "aria-owns": isExpanded ? `components-form-token-suggestions-${instanceId}` : undefined,
    "aria-activedescendant": // Only add the `aria-activedescendant` attribute when:
    // - the user is actively interacting with the input (`hasFocus`)
    // - there is a selected suggestion (`selectedSuggestionIndex !== -1`)
    // - the list of suggestions are rendered in the DOM (`isExpanded`)
    hasFocus && selectedSuggestionIndex !== -1 && isExpanded ? `components-form-token-suggestions-${instanceId}-${selectedSuggestionIndex}` : undefined,
    "aria-describedby": `components-form-token-suggestions-howto-${instanceId}`
  }));
}
export const TokenInput = forwardRef(UnForwardedTokenInput);
export default TokenInput;
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