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harmony-utils之TypeUtil，类型检查工具类

harmony-utils 简介与说明

harmony-utils 一款功能丰富且极易上手的HarmonyOS工具库，借助众多实用工具类，致力于助力开发者迅速构建鸿蒙应用。其封装的工具涵盖了APP、设备、屏幕、授权、通知、线程间通信、弹框、吐司、生物认证、用户首选项、拍照、相册、扫码、文件、日志，异常捕获、字符、字符串、数字、集合、日期、随机、base64、加密、解密、JSON等一系列的功能和操作，能够满足各种不同的开发需求。
picker_utils 是harmony-utils拆分出来的一个子库，包含PickerUtil、PhotoHelper、ScanUtil。

下载安装
ohpm i @pura/harmony-utils
ohpm i @pura/picker_utils

 //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);
 }

API方法与使用

isBoolean 判断是否是Boolean类型

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

isNumber 判断是否是Number类型

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

isString 判断是否是String类型

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

isObject 判断是否是Object类型

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

isArray 判断是否是数组类型

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");

isResource 判断是否是Resource类型

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);

isResourceStr 判断是否是ResourceStr类型

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

isFunction 判断是否是函数类型

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

isMap 检查是否为Map类型

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

isWeakMap 检查是否为WeakMap类型

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

isSet 检查是否为Set类型

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

isWeakSet 检查是否为WeakSet类型

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

isDate 检查是否为Date类型

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

isArrayBuffer 检查是否为ArrayBuffer类型

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

isSharedArrayBuffer 检查是否为SharedArrayBuffer类型

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

isAnyArrayBuffer 检查是否为ArrayBuffer或SharedArrayBuffer类型

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

isUint8Array 检查是否为Uint8Array数组类型

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

isUint16Array 检查是否为Uint16Array数组类型

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

isUint32Array 检查是否为Uint32Array数组类型

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

isInt8Array 检查是否为Int8Array数组类型

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

isInt16Array 检查是否为Int16Array数组类型

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

isInt32Array 检查是否为Int32Array数组类型

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

isTypedArray 检查是否为TypedArray类型

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

isAsyncFunction 检查是否为异步函数类型

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

isPromise 检查是否为Promise类型

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

isProxy 检查是否为Proxy类型

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

isRegExp 检查是否为RegExp类型

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

isDataView 检查是否为DataView类型

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

isExternal 检查是否为native External类型

let isExternal = TypeUtil.isNativeError("");

isNativeError 检查是否为Error类型

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