@vue-widget/hooks/es/utils/index.js

hooks from react to vue

export var isObject = function (value) {
    return value !== null && typeof value === "object";
};
export var isFunction = function (value) {
    return typeof value === "function";
};
export var isString = function (value) {
    return typeof value === "string";
};
export var isBoolean = function (value) {
    return typeof value === "boolean";
};
export var isNumber = function (value) {
    return typeof value === "number";
};
export var isUndef = function (value) {
    return typeof value === "undefined";
};
export var isNull = function (value) { return value === null; };