feat:添加一些util函数

Author: pedro

lib/util.ts

@@ -4,6 +4,7 @@ import { routeMetaInfo } from "./core";
 import { get, unset } from "lodash";
 import { config } from "./config";
 import { ParametersException } from "./exception";
+import { extendedValidator } from "./extended-validator";
 import { __decorate, __metadata } from "tslib";
 
 export const isUndefined = (obj: any): obj is undefined =>
@@ -32,6 +33,12 @@ export const isSymbol = (fn: any): fn is symbol => typeof fn === "symbol";
 export const strVal = (value: any) =>
   typeof value === "string" ? value : String(value);
 
+export const isNotEmpty = extendedValidator.isNotEmpty;
+
+export const isNegative = extendedValidator.isNegative;
+
+export const isPositive = extendedValidator.isPositive;
+
 /**
  * Assertion utility.
  */

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lin-mizar",
-  "version": "0.0.1-alpha.23",
+  "version": "0.0.1-alpha.24",
   "description": "The core library of Lin CMS",
   "main": "lin/index.js",
   "scripts": {