Changed to constructor functions

validators/empty.ts

@@ -8,63 +8,71 @@ import {
   isBoolean,
 } from "../mod.ts";
 
-export const isRequired: Validator = {
-  type: "isRequired",
-  check: (value: any) => {
-    if (value === null || value === undefined) {
-      return {};
-    }
-  },
-  message: (value: any, args?: Args) => {
-    return `This value is required.`;
-  },
-};
-
-export const isDefined: Validator = {
-  type: "isDefined",
-  check: (value: any) => {
-    if (value === undefined) {
-      return {};
-    }
-  },
-  message: (value: any, args?: Args) => {
-    return `This value has to be defined.`;
-  },
-};
-
-export const isNotEmpty: Validator = {
-  type: "isNotEmpty",
-  check: async (value: any) => {
-    if (value === null || value === undefined) {
-      return {};
-    }
-    if ((await isString.check(value)) === undefined) {
-      if (/^\s*$/.test(value)) {
+export function isRequired(): Validator {
+  return {
+    type: "isRequired",
+    check: (value: any) => {
+      if (value === null || value === undefined) {
         return {};
       }
-      return;
-    }
-    if ((await isNumber.check(value)) === undefined || Number.isNaN(value)) {
-      return;
-    }
-    if (await isSymbol.check(value) === undefined) {
-      return;
-    }
-    if (await isBoolean.check(value) === undefined) {
-      return;
-    }
-    if ((await isArray.check(value)) === undefined) {
-      if (value.length > 0) {
+    },
+    message: (value: any, args?: Args) => {
+      return `This value is required.`;
+    },
+  };
+}
+
+export function isDefined(): Validator {
+  return {
+    type: "isDefined",
+    check: (value: any) => {
+      if (value === undefined) {
+        return {};
+      }
+    },
+    message: (value: any, args?: Args) => {
+      return `This value has to be defined.`;
+    },
+  };
+}
+
+export function isNotEmpty(): Validator {
+  return {
+    type: "isNotEmpty",
+    check: async (value: any) => {
+      if (value === null || value === undefined) {
+        return {};
+      }
+      if ((await isString().check(value)) === undefined) {
+        if (/^\s*$/.test(value)) {
+          return {};
+        }
+        return;
+      }
+      if (
+        (await isNumber().check(value)) === undefined || Number.isNaN(value)
+      ) {
+        return;
+      }
+      if (await isSymbol().check(value) === undefined) {
+        return;
+      }
+      if (await isBoolean().check(value) === undefined) {
+        return;
+      }
+      if ((await isArray().check(value)) === undefined) {
+        if (value.length > 0) {
+          return;
+        }
+        return {};
+      }
+      for (const key in value) {
         return;
       }
       return {};
-    }
-    for (const key in value) {
-      return;
-    }
-    return {};
-  },
-  message: (value: any, args?: Args) => {
-    return `This value has to be non-empty.`;
-  },
-};
+    },
+    message: (value: any, args?: Args) => {
+      return `This value has to be non-empty.`;
+    },
+  };
+}