react-bootstrap-typeahead/es/core/TypeaheadManager.js

React typeahead with Bootstrap styling

import _defineProperty from "@babel/runtime/helpers/defineProperty";

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }

import React, { useEffect, useRef } from 'react';
import { TypeaheadContext } from './Context';
import { defaultSelectHint, getHintText, getInputProps, getInputText, getIsOnlyResult, isFunction, pick } from '../utils';
var inputPropKeys = ['activeIndex', 'disabled', 'id', 'inputRef', 'isFocused', 'isMenuShown', 'multiple', 'onBlur', 'onChange', 'onClick', 'onFocus', 'onKeyDown', 'placeholder'];
var propKeys = ['activeIndex', 'hideMenu', 'isMenuShown', 'labelKey', 'onClear', 'onHide', 'onRemove', 'results', 'selected', 'text', 'toggleMenu'];
var contextKeys = ['activeIndex', 'id', 'initialItem', 'inputNode', 'onActiveItemChange', 'onAdd', 'onInitialItemChange', 'onMenuItemClick', 'setItem'];

var TypeaheadManager = function TypeaheadManager(props) {
  var allowNew = props.allowNew,
      children = props.children,
      initialItem = props.initialItem,
      isMenuShown = props.isMenuShown,
      onAdd = props.onAdd,
      onInitialItemChange = props.onInitialItemChange,
      onKeyDown = props.onKeyDown,
      onMenuToggle = props.onMenuToggle,
      results = props.results,
      selectHint = props.selectHint;
  var hintText = getHintText(props);
  useEffect(function () {
    // Clear the initial item when there are no results.
    if (!(allowNew || results.length)) {
      onInitialItemChange();
    }
  });
  var isInitialRender = useRef(true);
  useEffect(function () {
    if (isInitialRender.current) {
      isInitialRender.current = false;
      return;
    }

    onMenuToggle(isMenuShown);
  }, [isMenuShown, onMenuToggle]);

  var handleKeyDown = function handleKeyDown(e) {
    onKeyDown(e);

    if (!initialItem) {
      return;
    }

    var addOnlyResult = e.key === 'Enter' && getIsOnlyResult(props);
    var shouldSelectHint = hintText && defaultSelectHint(e, selectHint);

    if (addOnlyResult || shouldSelectHint) {
      onAdd(initialItem);
    }
  };

  var childProps = _objectSpread(_objectSpread({}, pick(props, propKeys)), {}, {
    getInputProps: getInputProps(_objectSpread(_objectSpread({}, pick(props, inputPropKeys)), {}, {
      onKeyDown: handleKeyDown,
      value: getInputText(props)
    }))
  });

  var contextValue = _objectSpread(_objectSpread({}, pick(props, contextKeys)), {}, {
    hintText: hintText,
    isOnlyResult: getIsOnlyResult(props)
  });

  return /*#__PURE__*/React.createElement(TypeaheadContext.Provider, {
    value: contextValue
  }, isFunction(children) ? children(childProps) : children);
};

export default TypeaheadManager;