feat: refactors index example to proper examples dir

Author: Rodrigo Solis

examples/contact.js

@@ -0,0 +1,57 @@
+import ProxyValidator from '../src/index';
+
+const validators = {
+  // Define a set of rules to apply for each prop, each rule is formed by a key and a value.
+  name: {
+    // The key corresponds to a validator function.
+    isLength: {
+      // The value can be either an object, containing options and an errorMessage...
+      options: {
+        min: 6
+      },
+      errorMessage: 'Minimum length 6 characters.'
+    },
+    // ...or a boolean, in which case the message will be the default one.
+    isUppercase: true
+  },
+  mobile: {
+    isMobilePhone: {
+      options: 'en-GB',
+      errorMessage: 'Invalid mobile number.'
+    },
+    isAlphanumeric: true
+  }
+};
+
+const sanitizers = {
+  // As with the validation, the sanitizing schema is formed by a a key/value pair.
+  name: {
+    // The key corresponds with the sanitizing function
+    trim: true // and the value can be either boolean (use defaults)
+  },
+  email: {
+    normalizeEmail: {
+      options: { // ...or a config options object.
+        all_lowercase: true
+      }
+    }
+  }
+};
+
+const ContactValidator = ProxyValidator(validators, sanitizers);
+
+// Creates a proxy that will enforce the validator rules.
+const withValidationContact = ContactValidator();
+
+function proxyTestDrive(name) {
+  try {
+    withValidationContact.name = name;
+    console.log('success!', withValidationContact);
+  } catch (e) {
+    console.error('Whoops!', e.message);
+  }
+}
+proxyTestDrive('Mike');
+//
+proxyTestDrive('   MICHAEL');
+// success! { name: 'MICHAEL' };