# isDev.mjs

    import binstr from './binstr.mjs'

    /**
     * 前端判斷是否為開發階段
     * 主要判斷location.href內是否含有localhost
     * Unit Test: {@link https://github.com/yuda-lyu/wsemi/blob/master/test/isDev.test.mjs Github}
     * @memberOf wsemi
     * @returns {Boolean} 回傳是否為開發階段
     * @example
     * need test in browser
     *
     * console.log(isDev())
     * // => true or false
     *
     */
    function isDev() {

        //check
        if (location) {
            return binstr(location.href, 'localhost')
        }

        return false
    }

    export default isDev