optimization utils

Author: 2ue

main/index.ts

@@ -97,7 +97,7 @@ export const directive = {
   inserted(el: any, binding: any) {
     const { arg = "is", value } = binding;
     const validateFunc = validateFunMaps?.[arg];
-    if (!validateFunc && !isType(validateFunc, "Function")) {
+    if (!validateFunc && !isType<Function>(validateFunc, "Function")) {
       return;
     }
     const hasPermission = validateFunc(value);

utils/index.ts

@@ -1,20 +1,36 @@
 /**
  * 简单的工具集
- * 
+ *
  */
 
-export function isType(value: any, type: string): boolean {
-    return Object.prototype.toString.call(value).includes(type);
+/**
+ * 获取值的类型，并返回全小写的字符串
+ * @export
+ * @param {*} value
+ * @returns {string} 全小写的字符串
+ */
+export function getType(value: any): string {
+  return Object.prototype.toString.call(value).slice(8, -1).toLowerCase();
+}
+
+/**
+ * 判断值的类型
+ * @param value 目标值
+ * @param type 目标类型
+ * @returns boolean
+ */
+export function isType<P>(value: any, type: string): value is P {
+  return getType(value) === type.toLowerCase();
 }
 
 export function isBlankValue(param: any): boolean {
-    const noVal = ['', null, NaN, undefined].includes(param);
-    if (noVal) return true;
-    if (Array.isArray(param)) {
-        return param.length === 0;
-    }
-    if (typeof param === 'object') {
-        return Object.keys(param).length === 0;
-    }
-    return false;
-}
+  const noVal = ["", null, NaN, undefined].includes(param);
+  if (noVal) return true;
+  if (Array.isArray(param)) {
+    return param.length === 0;
+  }
+  if (typeof param === "object") {
+    return Object.keys(param).length === 0;
+  }
+  return false;
+}