perf(hex-rgb-color): Use regexp

Author: ricardogobbosouza

src/rules/hex-rgb-color.ts

@@ -1,23 +1,12 @@
-import { AbstractString } from './abstract-string';
-import { Xdigit } from './xdigit';
+import { AbstractRegex } from './abstract-regex';
 
-export class HexRgbColor extends AbstractString {
+export class HexRgbColor extends AbstractRegex {
 
     /**
-     * Validate string.
+     * Get pattern.
      */
-    public validateString(input: string): boolean {
-        let inputString: string = input;
-
-        if (inputString.indexOf('#') === 0) {
-            inputString = inputString.substr(1);
-        }
-
-        if (inputString.length !== 3 && inputString.length !== 6) {
-            return false;
-        }
-
-        return new Xdigit().validate(inputString);
+    protected getPattern(): string | RegExp {
+        return /^#?([0-9A-F]{3}|[0-9A-F]{6})$/i;
     }
 }
 

test/rules/hex-rgb-color.ts

@@ -23,6 +23,8 @@ describe('HexRgbColor', () => {
         assert.isTrue(hexRgbColor.validate('#FFFFFF'));
         assert.isTrue(hexRgbColor.validate('123123'));
         assert.isTrue(hexRgbColor.validate('FFFFFF'));
+        assert.isTrue(hexRgbColor.validate(443));
+        assert.isTrue(hexRgbColor.validate(123));
     });
 
     it('values is not valid', () => {
@@ -38,11 +40,15 @@ describe('HexRgbColor', () => {
         assert.isFalse(hexRgbColor.validate('#S'));
         assert.isFalse(hexRgbColor.validate('1234'));
         assert.isFalse(hexRgbColor.validate('foo'));
-        assert.isFalse(hexRgbColor.validate(0x39F));
         assert.isFalse(hexRgbColor.validate(5));
         assert.isFalse(hexRgbColor.validate(1));
-        assert.isFalse(hexRgbColor.validate(443));
         assert.isFalse(hexRgbColor.validate([]));
+        assert.isFalse(hexRgbColor.validate({}));
+        assert.isFalse(hexRgbColor.validate(new Array('foo')));
+        assert.isFalse(hexRgbColor.validate(new Object({foo: 'bar'})));
+
+        class Foo {}
+        assert.isFalse(hexRgbColor.validate(new Foo()));
     });
 
 });