fix(iri): Fixes iri regex hanging.

Author: ryasmi

src/helpers/regex.ts

@@ -1,28 +1,7 @@
-/* tslint:disable:max-line-length */
 import { checkRegex, Rule } from 'rulr';
 import { createTypeWarning } from '../warnings/TypeWarning';
-import {
-  escapedChar,
-  optionalPattern,
-  capturePattern,
-  delimitedPattern,
-  prefixedPattern,
-} from '../helpers/regex';
-
-const normChars = `w_~!$&'()*+,;=:-@`.split('').map(escapedChar).join('');
-const otherChars = '\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF\\uFFEF-\\uFFFD';
-const allChars = `[${normChars}${otherChars}]`;
-const allCharsWithDot = `(?:${allChars}|\\.)`;
-const extChars = `(?:${allChars}|(?:\\%[a-f0-9][a-f0-9]))`;
-
-const scheme = `(?:(\\w+):\\/\\/)`;
-const authority = optionalPattern(capturePattern(delimitedPattern(`${extChars}+`, '.')));
-const path = optionalPattern(prefixedPattern('/', `(?:${allCharsWithDot}+\\/?)*`));
-const query = optionalPattern(prefixedPattern('?', `${extChars}*`));
-const fragment = optionalPattern(prefixedPattern('#', `${extChars}*`));
-
-const regex = new RegExp(`^${scheme}${authority}${path}${query}${fragment}$`, 'i');
 
+const regex = /^\w+:\/\/[^\/\#\?]+\/?[^\#\?]*\??[^\#]*\#?.*$/i;
 const warningConstructor = createTypeWarning('Internationalized Resource Identifier (IRI)');
 
 export default checkRegex(regex, warningConstructor) as Rule;

src/regexValues/iri.ts

@@ -23,4 +23,9 @@ export default (test: Test) => {
 
   // tslint:disable-next-line:max-line-length
   itsValid('http://some.large.test.string.for.regex/some-large-string/string.html?largeString=largeString&someStrangeText=%D0%9F%D1%81%D0%B5%D0%B2%D0%B4%D0%BE%D1%82%D1%83%D0%B1%D0%B5%D1%80%D0%BA%D1%83%D0%BB%D0%B5%D0%B7', test);
+  itsValid('https://some.strange.test/tests/very-strange-test-that-hangs-regex/test#test/test"', test);
+
+  // Tests from the conformance suite.
+  itsInvalid('ab=c://should.fail.com', 'not an IRI', test);
+  itsInvalid('not.a.valid.iri.com/verb', 'not an IRI', test);
 };