comty/packages/app/src/components/SearchButton/index.jsx

import React from "react"
import { SearchBar } from "antd-mobile"
import classnames from "classnames"

import "./index.less"

export default (props) => {
    const searchBoxRef = React.useRef(null)

    const [value, setValue] = React.useState()
    const [open, setOpen] = React.useState()

    const openSearchBox = (to) => {
        to = to ?? !open
        setOpen(to)

        if (to) {
            searchBoxRef.current?.focus()
        }
    }

    const handleOnChange = (value) => {
        setValue(value)

        if (!value || value.length === 0 || value === "" || value === " ") {
            if (typeof props.onEmpty === "function") {
                props.onEmpty()
            }

            return false
        }

        if (typeof props.onChange === "function") {
            props.onChange(value)
        }
    }

    return <div
        className="searchButton"
        onClick={() => openSearchBox(true)}
    >
        <SearchBar
            ref={searchBoxRef}
            className={classnames("searchBox", { ["open"]: open })}
            onSearch={props.onSearch}
            onChange={handleOnChange}
            value={value}
            onFocus={() => openSearchBox(true)}
            onBlur={() => {
                if (value.length === 0) {
                    openSearchBox(false)
                }
            }}
        />
    </div>
}