other components... (2)

src/modules/validators.ts

@@ -0,0 +1,16 @@
+export default function useValidators() {
+
+  const isEmpty = (fieldName: string, fieldValue: string) => {
+    return !fieldValue ? 'The ' + fieldName + ' field is required' : '';
+  }
+
+  const minLength = (fieldName: string, fieldValue: string, min: number) => {
+    return fieldValue.length < min ? `The ${fieldName} field must be atleast ${min} characters long` : '';
+  }
+
+  const isEmail = (fieldName: string, fieldValue: string) => {
+    let re = /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+    return !re.test(fieldValue) ? 'The input is not a valid ' + fieldName + ' address' : '';
+  }
+  return { isEmpty, minLength, isEmail }
+}