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

import React, { useEffect } from 'react';
import usePrevious from '@restart/hooks/usePrevious';
import { TypeaheadContext } from './Context';
import { defaultSelectHint, getHintText, getInputProps, getInputText, getIsOnlyResult, isFunction, pick, } from '../utils';
const inputPropKeys = [
    'activeIndex',
    'disabled',
    'id',
    'inputRef',
    'isFocused',
    'isMenuShown',
    'multiple',
    'onBlur',
    'onChange',
    'onClick',
    'onFocus',
    'onKeyDown',
    'placeholder',
];
const propKeys = [
    'activeIndex',
    'hideMenu',
    'isMenuShown',
    'labelKey',
    'onClear',
    'onHide',
    'onRemove',
    'results',
    'selected',
    'text',
    'toggleMenu',
];
const contextKeys = [
    'activeIndex',
    'id',
    'initialItem',
    'inputNode',
    'onActiveItemChange',
    'onAdd',
    'onInitialItemChange',
    'onMenuItemClick',
    'setItem',
];
const TypeaheadManager = (props) => {
    const { allowNew, children, initialItem, isMenuShown, onAdd, onInitialItemChange, onKeyDown, onMenuToggle, results, selectHint, } = props;
    const prevProps = usePrevious(props);
    const hintText = getHintText(props);
    useEffect(() => {
        if (!(allowNew || results.length)) {
            onInitialItemChange();
        }
    });
    useEffect(() => {
        if (prevProps && prevProps.isMenuShown !== isMenuShown) {
            onMenuToggle(isMenuShown);
        }
    });
    const handleKeyDown = (e) => {
        onKeyDown(e);
        if (!initialItem) {
            return;
        }
        const addOnlyResult = e.key === 'Enter' && getIsOnlyResult(props);
        const shouldSelectHint = hintText && defaultSelectHint(e, selectHint);
        if (addOnlyResult || shouldSelectHint) {
            onAdd(initialItem);
        }
    };
    const childProps = {
        ...pick(props, propKeys),
        getInputProps: getInputProps({
            ...pick(props, inputPropKeys),
            onKeyDown: handleKeyDown,
            value: getInputText(props),
        }),
    };
    const contextValue = {
        ...pick(props, contextKeys),
        hintText,
        isOnlyResult: getIsOnlyResult(props),
    };
    return (React.createElement(TypeaheadContext.Provider, { value: contextValue }, isFunction(children) ? children(childProps) : children));
};
export default TypeaheadManager;