harmony-utils之TypeUtil，类型检查工具类

 //全局初始化方法，在UIAbility的onCreate方法中初始化 AppUtil.init()
 onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
   AppUtil.init(this.context);
 }

let bl1 = TypeUtil.isBoolean(true);
let bl2 = TypeUtil.isBoolean("true");

let num1 = TypeUtil.isNumber(188);
let num2 = TypeUtil.isNumber("188");

let str1 = TypeUtil.isString("哈哈");
let str2 = TypeUtil.isString(null);

let obj1 = TypeUtil.isObject(new User());
let obj2 = TypeUtil.isObject("Object");

let array: string[] = ["黑龙江省", "哈尔滨市", "道里区", "砂山", "砀山", "高薪区"];
let isArray1 = TypeUtil.isArray(array);
let isArray2 = TypeUtil.isArray([]);
let isArray3 = TypeUtil.isArray("哈哈哈");

let bl1 = TypeUtil.isResource($r('app.string.app_name'));
let bl2 = TypeUtil.isResource("哈哈哈");
let bl3 = TypeUtil.isResource(new User());
let bl4 = TypeUtil.isResource(null);

let bl5 = TypeUtil.isResourceStr($r('app.string.app_name'));
let bl6 = TypeUtil.isResourceStr("哈哈哈");
let bl7 = TypeUtil.isResourceStr(undefined);

let isFunction = TypeUtil.isFunction(this.aboutToAppear);

let map = new Map<string, object>();
let isMap = TypeUtil.isMap(map);

let weakMap: WeakMap<object, number> = new WeakMap();
let isWeakMap = TypeUtil.isWeakMap(weakMap);

let set: Set<number> = new Set();
let isSet = TypeUtil.isSet(set);

let weakSet = new WeakSet();
let isWeakSet = TypeUtil.isWeakSet(weakSet);

let isDate = TypeUtil.isDate(new Date());

let isArrayBuffer = TypeUtil.isArrayBuffer(new ArrayBuffer(0));

let isSharedArrayBuffer = TypeUtil.isSharedArrayBuffer(new SharedArrayBuffer(0));

let isAnyArrayBuffer = TypeUtil.isAnyArrayBuffer(new ArrayBuffer(0));

let isUint8Array = TypeUtil.isUint8Array(new Uint8Array([]));

let isUint16Array = TypeUtil.isUint16Array(new Uint16Array([]));

let isUint32Array = TypeUtil.isUint32Array(new Uint32Array([]));

let isInt8Array = TypeUtil.isInt8Array(new Int8Array([]));

let isInt16Array = TypeUtil.isInt16Array(new Int16Array([]));

let isInt32Array = TypeUtil.isInt32Array(new Int32Array([]));

let isTypedArray = TypeUtil.isTypedArray(new Float64Array([]));

let isAsyncFunction = TypeUtil.isAsyncFunction(this.aboutToAppear);

let isPromise = TypeUtil.isPromise(Promise.resolve(1));

let user = new User();
const proxy = new Proxy(user, user as ProxyHandler<User>);
let isProxy = TypeUtil.isProxy(proxy);

let isRegExp = TypeUtil.isRegExp(new RegExp('abc'));

let dataView = new DataView(new ArrayBuffer(20));
let isDataView = TypeUtil.isDataView(dataView);

let isExternal = TypeUtil.isNativeError("");

let isNativeError1 = TypeUtil.isNativeError(new TypeError());
let isNativeError2 = TypeUtil.isNativeError(new URIError());
let isNativeError3 = TypeUtil.isNativeError("");