@bee-design/ui/es/_util/is.js

Bee Design React UI Library.

var opt = Object.prototype.toString;
export function isArray(obj) {
    return opt.call(obj) === '[object Array]';
}
export function isObject(obj) {
    return opt.call(obj) === '[object Object]';
}
export function isString(obj) {
    return opt.call(obj) === '[object String]';
}
export function isNumber(obj) {
    return opt.call(obj) === '[object Number]' && obj === obj; // eslint-disable-line
}
export function isRegExp(obj) {
    return opt.call(obj) === '[object RegExp]';
}
export function isFile(obj) {
    return opt.call(obj) === '[object File]';
}
export function isBlob(obj) {
    return opt.call(obj) === '[object Blob]';
}
function isHex(color) {
    return /^#[a-fA-F0-9]{3}$|#[a-fA-F0-9]{6}$/.test(color);
}
function isRgb(color) {
    return /^rgb\((\s*\d+\s*,?){3}\)$/.test(color);
}
function isRgba(color) {
    return /^rgba\((\s*\d+\s*,\s*){3}\s*\d(\.\d+)?\s*\)$/.test(color);
}
export function isColor(color) {
    return isHex(color) || isRgb(color) || isRgba(color);
}
export function isUndefined(obj) {
    return obj === undefined;
}
export function isNull(obj) {
    return obj === null;
}
export function isNullOrUndefined(obj) {
    return obj === null || obj === undefined;
}
export function isFunction(obj) {
    return typeof obj === 'function';
}
export function isEmptyObject(obj) {
    return isObject(obj) && Object.keys(obj).length === 0;
}
export function isExist(obj) {
    return obj || obj === 0;
}
export function isWindow(el) {
    return el === window;
}
export function isDayjs(time) {
    // dayjs.isDayjs 在实际应用场景，比如多个版本的 dayjs 会失效
    return (isObject(time) &&
        (('$y' in time &&
            '$M' in time &&
            '$D' in time &&
            '$d' in time &&
            '$H' in time &&
            '$m' in time &&
            '$s' in time) ||
            time._isAMomentObject) // 兼容 moment 的验证
    );
}