/**
 *判断类型
 * @param {*} obj 需要判断的对象
 */
export function typeOf(obj) {
    const map = {
        '[object Boolean]': 'boolean',
        '[object Number]': 'number',
        '[object String]': 'string',
        '[object Function]': 'function',
        '[object Array]': 'array',
        '[object Date]': 'date',
        '[object RegExp]': 'regExp',
        '[object Undefined]': 'undefined',
        '[object Null]': 'null',
        '[object Object]': 'object'
    };
    return map[Object.prototype.toString.call(obj)];
}

export function isFunction(obj) {
    return typeOf(obj) === 'function';
}

export function isDate(obj) {
    return typeOf(obj) === 'date';
}

export function isString(obj) {
    return typeOf(obj) === 'string';
}

export function isArray(obj) {
    return typeOf(obj) === 'array';
}

export function isObject(obj) {
    return typeOf(obj) === 'object';
}

export function isHtmlElement(node) {
    return node && node.nodeType === Node.ELEMENT_NODE;
}

export const isUndefined = val => val === undefined;

export const isDefined = val => val !== undefined && val !== null;


export function checkHttpRequestHasBody(method) {
    method = method.toUpperCase();
    const HTTP_METHOD = {
        GET: {
            request_body: false
        },
        POST: {
            request_body: true
        },
        PUT: {
            request_body: true
        },
        DELETE: {
            request_body: true
        },
        HEAD: {
            request_body: false
        },
        OPTIONS: {
            request_body: false
        },
        PATCH: {
            request_body: true
        }
    };
    return HTTP_METHOD[method].request_body;
}

export function trimObj(obj) {
    Object.entries(obj).forEach(([key, value]) => {
        if (isString(value)) {
            obj[key] = value.trim();
        } else if (isObject(value)) {
            trimObj(value);
        } else if (Array.isArray(value)) {
            trimObj(value);
        }
    });
}