Added validate option (function) to be able to selectively filter tokens

src/linkify-element.js

@@ -32,8 +32,11 @@ function tokensToNodes(tokens, opts, doc) {
 
 	for (let i = 0; i < tokens.length; i++) {
 		let token = tokens[i];
+		let validated = options.resolve(opts.validate,
+			token.hasProtocol ? token.hasProtocol() : false,
+			token.toString(), token.type);
 
-		if (token.isLink) {
+		if (token.isLink && validated) {
 
 			let
 			href			= token.toHref(opts.defaultProtocol),

src/linkify-html.js

@@ -77,6 +77,10 @@ function linkifyChars(str, opts) {
 
 	for (var i = 0; i < tokens.length; i++) {
 		let token = tokens[i];
+		let validated = linkify.options.resolve(opts.validate,
+							token.hasProtocol ? token.hasProtocol() : false,
+							token.toString(), token.type);
+
 		if (token.type === 'nl' && opts.nl2br) {
 			result.push({
 				type: StartTag,
@@ -85,7 +89,7 @@ function linkifyChars(str, opts) {
 				selfClosing: true
 			});
 			continue;
-		} else if (!token.isLink) {
+		} else if (!token.isLink || !validated) {
 			result.push({type: Chars, chars: token.toString()});
 			continue;
 		}

src/linkify-jquery.js

@@ -59,6 +59,7 @@ function apply($, doc=null) {
 				tagName:			data.linkifyTagname,
 				target:				data.linkifyTarget,
 				linkClass:			data.linkifyLinkclass,
+				validate:			data.linkifyValidate,
 			};
 			let $target = target === 'this' ? $this : $this.find(target);
 			$target.linkify(options);

src/linkify-string.js

@@ -37,11 +37,16 @@ function linkifyStr(str, opts={}) {
 
 	for (let i = 0; i < tokens.length; i++) {
 		let token = tokens[i];
-		if (token.isLink) {
+		let validated = options.resolve(opts.validate,
+			token.hasProtocol ? token.hasProtocol() : false,
+			token.toString(), token.type);
 
+		if (token.isLink && validated) {
+
 			let
 			href			= token.toHref(opts.defaultProtocol),
 			formatted		= options.resolve(opts.format, token.toString(), token.type),
+
 			formattedHref	= options.resolve(opts.formatHref, href, token.type),
 			attributesHash	= options.resolve(opts.attributes, href, token.type),
 			tagName			= options.resolve(opts.tagName, href, token.type),
@@ -59,7 +64,6 @@ function linkifyStr(str, opts={}) {
 
 			link += `>${escapeText(formatted)}</${tagName}>`;
 			result.push(link);
-
 		} else if (token.type === 'nl' && opts.nl2br) {
 			if (opts.newLine) {
 				result.push(opts.newLine);

src/linkify/utils/options.js

@@ -2,6 +2,10 @@ function noop(val) {
 	return val;
 }
 
+function yes(val) {
+	return true;
+}
+
 function typeToTarget(href, type) {
 	return type === 'url' ? '_blank' : null;
 }
@@ -14,6 +18,7 @@ function normalize(opts) {
 		defaultProtocol:	opts.defaultProtocol		|| 'http',
 		events:				opts.events					|| null,
 		format:				opts.format					|| noop,
+		validate:			opts.validate				|| yes,
 		formatHref:			opts.formatHref				|| noop,
 		newLine:			opts.newLine				|| false, // deprecated
 		nl2br:				!!newLine	|| opts.nl2br	|| false,

test/qunit/test/main.js

@@ -99,6 +99,7 @@ QUnit.test('returns in the hash of default options when given an empty object',
 		defaultProtocol: 'http',
 		events: null,
 		format: function () {},
+		validate: function () {},
 		formatHref: function () {},
 		newLine: false, // deprecated
 		nl2br: false,
@@ -107,6 +108,7 @@ QUnit.test('returns in the hash of default options when given an empty object',
 		linkClass: 'linkified'
 	});
 	assert.equal(typeof result.format, 'function');
+	assert.equal(typeof result.validate, 'function');
 	assert.equal(result.format('test'), 'test');
 	assert.equal(typeof result.formatHref, 'function');
 	assert.equal(result.formatHref('test'), 'test');

test/spec/html/linkified-alt.html

@@ -1,4 +1,4 @@
-Hello here are some links to <a href="ftp://awesome.com/?where=this" class="linkified" target="_blank" rel="nofollow">ftp://awesome.com/?where=this</a> and <a href="http://localhost:8080" class="linkified" target="_blank" rel="nofollow">localhost:8080</a>, pretty neat right? <p>Here's a nested <a href="http://github.com/SoapBox/linkifyjs" class="linkified" target="_blank" rel="nofollow">github.com/SoapBox/linkifyjs</a> paragraph</p>
-Hello here are some links to <a rel="nofollow" target="_blank" class="linkified" href="ftp://awesome.com/?where=this">ftp://awesome.com/?where=this</a> and <a rel="nofollow" target="_blank" class="linkified" href="http://localhost:8080">localhost:8080</a>, pretty neat right? <p>Here's a nested <a rel="nofollow" target="_blank" class="linkified" href="http://github.com/SoapBox/linkifyjs">github.com/SoapBox/linkifyjs</a> paragraph</p>
-Hello here are some links to <a class="linkified" href="ftp://awesome.com/?where=this" target="_blank" rel="nofollow">ftp://awesome.com/?where=this</a> and <a class="linkified" href="http://localhost:8080" target="_blank" rel="nofollow">localhost:8080</a>, pretty neat right? <p>Here's a nested <a class="linkified" href="http://github.com/SoapBox/linkifyjs" target="_blank" rel="nofollow">github.com/SoapBox/linkifyjs</a> paragraph</p>
-Hello here are some links to <a class="linkified" href="ftp://awesome.com/?where=this" rel="nofollow" target="_blank">ftp://awesome.com/?where=this</a> and <a class="linkified" href="http://localhost:8080" rel="nofollow" target="_blank">localhost:8080</a>, pretty neat right? <p>Here's a nested <a class="linkified" href="http://github.com/SoapBox/linkifyjs" rel="nofollow" target="_blank">github.com/SoapBox/linkifyjs</a> paragraph</p>
+Hello here are some links to <a href="ftp://awesome.com/?where=this" class="linkified" target="_blank" rel="nofollow">ftp://awesome.com/?where=this</a> and <a href="http://localhost:8080" class="linkified" target="_blank" rel="nofollow">localhost:8080</a>, pretty neat right? <p>Here's a nested <a href="http://github.com/SoapBox/linkifyjs" class="linkified" target="_blank" rel="nofollow">github.com/SoapBox/linkifyjs</a> paragraph</p> and another link to <a href="http://www.google.com" class="linkified" target="_blank" rel="nofollow">www.google.com</a>
+Hello here are some links to <a rel="nofollow" target="_blank" class="linkified" href="ftp://awesome.com/?where=this">ftp://awesome.com/?where=this</a> and <a rel="nofollow" target="_blank" class="linkified" href="http://localhost:8080">localhost:8080</a>, pretty neat right? <p>Here's a nested <a rel="nofollow" target="_blank" class="linkified" href="http://github.com/SoapBox/linkifyjs">github.com/SoapBox/linkifyjs</a> paragraph</p> and another link to <a href="http://www.google.com" class="linkified" target="_blank" rel="nofollow">www.google.com</a>
+Hello here are some links to <a class="linkified" href="ftp://awesome.com/?where=this" target="_blank" rel="nofollow">ftp://awesome.com/?where=this</a> and <a class="linkified" href="http://localhost:8080" target="_blank" rel="nofollow">localhost:8080</a>, pretty neat right? <p>Here's a nested <a class="linkified" href="http://github.com/SoapBox/linkifyjs" target="_blank" rel="nofollow">github.com/SoapBox/linkifyjs</a> paragraph</p> and another link to <a href="http://www.google.com" class="linkified" target="_blank" rel="nofollow">www.google.com</a>
+Hello here are some links to <a class="linkified" href="ftp://awesome.com/?where=this" rel="nofollow" target="_blank">ftp://awesome.com/?where=this</a> and <a class="linkified" href="http://localhost:8080" rel="nofollow" target="_blank">localhost:8080</a>, pretty neat right? <p>Here's a nested <a class="linkified" href="http://github.com/SoapBox/linkifyjs" rel="nofollow" target="_blank">github.com/SoapBox/linkifyjs</a> paragraph</p> and another link to <a href="http://www.google.com" class="linkified" target="_blank" rel="nofollow">www.google.com</a>

test/spec/html/linkified-validate.html

@@ -0,0 +1,3 @@
+Hello here are some links to <a href="ftp://awesome.com/?where=this" class="linkified" target="_blank">ftp://awesome.com/?where=this</a> and localhost:8080, pretty neat right? <p>Here's a nested github.com/SoapBox/linkifyjs paragraph</p> and another link to <a href="http://www.google.com" class="linkified" target="_blank">www.google.com</a>
+Hello here are some links to <a href="ftp://awesome.com/?where=this" class="linkified" target="_blank">ftp://awesome.com/?where=this</a> and localhost:8080, pretty neat right? <p>Here's a nested github.com/SoapBox/linkifyjs paragraph</p> and another link to <a href="http://www.google.com" class="linkified" target="_blank">www.google.com</a>
+Hello here are some links to <a href="ftp://awesome.com/?where=this" class="linkified" target="_blank">ftp://awesome.com/?where=this</a> and localhost:8080, pretty neat right? <p>Here's a nested github.com/SoapBox/linkifyjs paragraph</p> and another link to <a href="http://www.google.com" class="linkified" target="_blank">www.google.com</a>

test/spec/html/linkified.html

@@ -1,3 +1,3 @@
-Hello here are some links to <a href="ftp://awesome.com/?where=this" class="linkified" target="_blank">ftp://awesome.com/?where=this</a> and <a href="http://localhost:8080" class="linkified" target="_blank">localhost:8080</a>, pretty neat right? <p>Here's a nested <a href="http://github.com/SoapBox/linkifyjs" class="linkified" target="_blank">github.com/SoapBox/linkifyjs</a> paragraph</p>
-Hello here are some links to <a target="_blank" class="linkified" href="ftp://awesome.com/?where=this">ftp://awesome.com/?where=this</a> and <a target="_blank" class="linkified" href="http://localhost:8080">localhost:8080</a>, pretty neat right? <p>Here's a nested <a target="_blank" class="linkified" href="http://github.com/SoapBox/linkifyjs">github.com/SoapBox/linkifyjs</a> paragraph</p>
-Hello here are some links to <a class="linkified" href="ftp://awesome.com/?where=this" target="_blank">ftp://awesome.com/?where=this</a> and <a class="linkified" href="http://localhost:8080" target="_blank">localhost:8080</a>, pretty neat right? <p>Here's a nested <a class="linkified" href="http://github.com/SoapBox/linkifyjs" target="_blank">github.com/SoapBox/linkifyjs</a> paragraph</p>
+Hello here are some links to <a href="ftp://awesome.com/?where=this" class="linkified" target="_blank">ftp://awesome.com/?where=this</a> and <a href="http://localhost:8080" class="linkified" target="_blank">localhost:8080</a>, pretty neat right? <p>Here's a nested <a href="http://github.com/SoapBox/linkifyjs" class="linkified" target="_blank">github.com/SoapBox/linkifyjs</a> paragraph</p> and another link to <a href="http://www.google.com" class="linkified" target="_blank">www.google.com</a>
+Hello here are some links to <a target="_blank" class="linkified" href="ftp://awesome.com/?where=this">ftp://awesome.com/?where=this</a> and <a target="_blank" class="linkified" href="http://localhost:8080">localhost:8080</a>, pretty neat right? <p>Here's a nested <a target="_blank" class="linkified" href="http://github.com/SoapBox/linkifyjs">github.com/SoapBox/linkifyjs</a> paragraph</p> and another link to <a href="http://www.google.com" class="linkified" target="_blank">www.google.com</a>
+Hello here are some links to <a class="linkified" href="ftp://awesome.com/?where=this" target="_blank">ftp://awesome.com/?where=this</a> and <a class="linkified" href="http://localhost:8080" target="_blank">localhost:8080</a>, pretty neat right? <p>Here's a nested <a class="linkified" href="http://github.com/SoapBox/linkifyjs" target="_blank">github.com/SoapBox/linkifyjs</a> paragraph</p> and another link to <a href="http://www.google.com" class="linkified" target="_blank">www.google.com</a>

test/spec/html/options.js

@@ -13,6 +13,9 @@ module.exports = {
 	linkifiedAlt: fs.readFileSync(__dirname + '/linkified-alt.html', 'utf8')
 		.trim()
 		.split('\n'),
+	linkifiedValidate: fs.readFileSync(__dirname + '/linkified-validate.html', 'utf8')
+		.trim()
+		.split('\n'),
 
 	extra: fs.readFileSync(__dirname + '/extra.html', 'utf8').trim(), // for jQuery plugin tests
 	altOptions: {
@@ -27,5 +30,11 @@ module.exports = {
 				throw 'Hovered!';
 			}
 		}
+	},
+
+	validateOptions: {
+		validate: function (hasProtocol, text, type) {
+			return type === 'email' || (hasProtocol || text.slice(0,3) === 'www');
+		}
 	}
 };

test/spec/html/original.html

@@ -1 +1 @@
-Hello here are some links to ftp://awesome.com/?where=this and localhost:8080, pretty neat right? <p>Here's a nested github.com/SoapBox/linkifyjs paragraph</p>
+Hello here are some links to ftp://awesome.com/?where=this and localhost:8080, pretty neat right? <p>Here's a nested github.com/SoapBox/linkifyjs paragraph</p> and another link to www.google.com

test/spec/linkify-element-test.js

@@ -61,7 +61,7 @@ describe('linkify-element', function () {
 		expect(htmlOptions.linkified).to.contain(testContainer.innerHTML);
 	});
 
-	it('Works with overriden options', function () {
+	it('Works with overriden options (general)', function () {
 		expect(testContainer).to.be.ok;
 		expect(testContainer).to.be.a('object');
 		var result = linkifyElement(testContainer, htmlOptions.altOptions, doc);
@@ -80,4 +80,11 @@ describe('linkify-element', function () {
 		*/
 	});
 
+	it('Works with overriden options (validate)', function () {
+		expect(testContainer).to.be.ok;
+		expect(testContainer).to.be.a('object');
+		var result = linkifyElement(testContainer, htmlOptions.validateOptions, doc);
+		expect(result).to.equal(testContainer); // should return the same element
+		expect(htmlOptions.linkifiedValidate).to.contain(testContainer.innerHTML);
+	});
 });

test/spec/linkify-html-test.js

@@ -58,12 +58,46 @@ describe('linkify-html', function () {
 		});
 	});
 
-	it('Works with overriden options', function () {
+	it('Works with overriden options (general)', function () {
 		tests.map(function (test) {
 			expect(linkifyHtml(test[0], options)).to.be.eql(test[2]);
 		});
 	});
 
+	it('Works with overriden options (validate)', function () {
+		var options_validate = {
+			validate: function (hasProtocol, text, type) {
+				return type === 'email' || (hasProtocol || text.slice(0,3) === 'www');
+			}
+		},
+
+		tests_validate = [
+			[
+				'1.Test with no links',
+				'1.Test with no links'
+			], [
+				'2.The URL is google.com and the email is <strong>test@example.com</strong>',
+				'2.The URL is google.com and the email is <strong><a href="mailto:test@example.com" class="linkified">test@example.com</a></strong>'
+			], [
+				'3.Super long maps URL https://www.google.ca/maps/@43.472082,-80.5426668,18z?hl=en, a #hash-tag, and an email: test."wut".yo@gmail.co.uk!',
+				'3.Super long maps URL <a href="https://www.google.ca/maps/@43.472082,-80.5426668,18z?hl=en" class="linkified" target="_blank">https://www.google.ca/maps/@43.472082,-80.5426668,18z?hl=en</a>, a #hash-tag, and an email: <a href="mailto:test.&quot;wut&quot;.yo@gmail.co.uk" class="linkified">test."wut".yo@gmail.co.uk</a>!'
+			], [
+				'4a.This link is already in an anchor tag <a href="#bro">google.com</a> LOL and this one <h1>isnt http://github.com</h1>',
+				'4a.This link is already in an anchor tag <a href="#bro">google.com</a> LOL and this one <h1>isnt <a href="http://github.com" class="linkified" target="_blank">http://github.com</a></h1>'
+			], [
+				'4b.This link is already in an anchor tag <a href="#bro">google.com</a> LOL and this one <h1>isnt github.com</h1>',
+				'4b.This link is already in an anchor tag <a href="#bro">google.com</a> LOL and this one <h1>isnt github.com</h1>'
+			], [
+				'5.Unterminated anchor tag <a href="http://google.com"> This <em>is a link google.com</em> and this works!! https://reddit.com/r/photography/',
+				'5.Unterminated anchor tag <a href="http://google.com"> This <em>is a link google.com</em> and this works!! https://reddit.com/r/photography/'
+			]
+		];
+
+		tests_validate.map(function (test) {
+			expect(linkifyHtml(test[0], options_validate)).to.be.eql(test[1]);
+		});
+	});
+
 	it('Works with HTML and default options', function () {
 		var linkified = linkifyHtml(htmlOptions.original);
 		expect(htmlOptions.linkified).to.contain(linkified);

test/spec/linkify-jquery-test.js

@@ -103,7 +103,7 @@ describe('linkify-jquery', function () {
 		testContainer.innerHTML = htmlOptions.original;
 	});
 
-	// This works but is inconsisten across browsers
+	// This works but is inconsistent across browsers
 	xit('Works with the DOM Data API', function () {
 		expect($('header').first().html()).to.be.eql(
 			'Have a link to:<br><a href="https://github.com" class="linkified" target="_blank">github.com</a>!'
@@ -125,12 +125,21 @@ describe('linkify-jquery', function () {
 		expect(htmlOptions.linkified).to.contain($container.html());
 	});
 
-	it('Works with overriden options', function () {
+	it('Works with overriden options (general)', function () {
 		var $container = $('#linkify-jquery-test-container');
 		expect(($container.length)).to.be.eql(1);
 		var result = $container.linkify(htmlOptions.altOptions);
 		// `should` is not defined on jQuery objects
 		expect((result === $container)).to.be.ok; // should return the same element
 		expect(htmlOptions.linkifiedAlt).to.contain($container.html());
 	});
+
+	it('Works with overriden options (validate)', function () {
+		var $container = $('#linkify-jquery-test-container');
+		expect(($container.length)).to.be.eql(1);
+		var result = $container.linkify(htmlOptions.validateOptions);
+		// `should` is not defined on jQuery objects
+		expect((result === $container)).to.be.ok; // should return the same element
+		expect(htmlOptions.linkifiedValidate).to.contain($container.html());
+	});
 });

test/spec/linkify-string-test.js

@@ -53,11 +53,12 @@ describe('linkify-string', function () {
 		[
 			'Test with no links',
 			'Test with no links',
-			'Test with no links'
+			'Test with no links',
 		], [
 			'The URL is google.com and the email is test@example.com',
 			'The URL is <a href="http://google.com" class="linkified" target="_blank">google.com</a> and the email is <a href="mailto:test@example.com" class="linkified">test@example.com</a>',
-			'The URL is <span href="https://google.com" class="my-linkify-class" target="_parent" rel="nofollow" onclick="javascript:;">google.com</span> and the email is <span href="mailto:test@example.com?subject=Hello%20from%20Linkify" class="my-linkify-class" target="_parent" rel="nofollow" onclick="javascript:;">test@example.com</span>'
+			'The URL is <span href="https://google.com" class="my-linkify-class" target="_parent" rel="nofollow" onclick="javascript:;">google.com</span> and the email is <span href="mailto:test@example.com?subject=Hello%20from%20Linkify" class="my-linkify-class" target="_parent" rel="nofollow" onclick="javascript:;">test@example.com</span>',
+			'The URL is google.com and the email is test@example.com',
 		], [
 			'Super long maps URL https://www.google.ca/maps/@43.472082,-80.5426668,18z?hl=en, a #hash-tag, and an email: test."wut".yo@gmail.co.uk!\n',
 			'Super long maps URL <a href="https://www.google.ca/maps/@43.472082,-80.5426668,18z?hl=en" class="linkified" target="_blank">https://www.google.ca/maps/@43.472082,-80.5426668,18z?hl=en</a>, a #hash-tag, and an email: <a href="mailto:test.&quot;wut&quot;.yo@gmail.co.uk" class="linkified">test."wut".yo@gmail.co.uk</a>!\n',
@@ -71,9 +72,44 @@ describe('linkify-string', function () {
 		});
 	});
 
-	it('Works with overriden options', function () {
+	it('Works with overriden options (general)', function () {
 		tests.map(function (test) {
 			expect(linkifyStr(test[0], options)).to.be.eql(test[2]);
 		});
 	});
+
+	// Test specific options
+	it('Works with overriden options (validate)', function () {
+		var options_validate = {
+			validate: function (hasProtocol, text, type) {
+				return type === 'email' || (hasProtocol || text.slice(0,3) === 'www');
+			}
+		},
+
+		tests_validate = [
+			[
+				'1.Test with no links',
+				'1.Test with no links'
+			], [
+				'2.The URL is google.com and the email is test@example.com',
+				'2.The URL is google.com and the email is <a href="mailto:test@example.com" class="linkified">test@example.com</a>'
+			], [
+				'3.The URL is www.google.com',
+				'3.The URL is <a href="http://www.google.com" class="linkified" target="_blank">www.google.com</a>'
+			], [
+				'4.The URL is http://google.com',
+				'4.The URL is <a href="http://google.com" class="linkified" target="_blank">http://google.com</a>'
+			], [
+				'5.The URL is ftp://google.com',
+				'5.The URL is <a href="ftp://google.com" class="linkified" target="_blank">ftp://google.com</a>'
+			], [
+				'6.Test with no links.It is sloppy avoiding spaces after the dot',
+				'6.Test with no links.It is sloppy avoiding spaces after the dot'
+			]
+		];
+
+		tests_validate.map(function (test) {
+			expect(linkifyStr(test[0], options_validate)).to.be.eql(test[1]);
+		});
+	});
 });