feat: add linkifyTlds option

Author: Postamentovich

src/transform/index.ts

@@ -44,6 +44,7 @@ interface OptionsType {
     needTitle?: boolean;
     allowHTML?: boolean;
     linkify?: boolean;
+    linkifyTlds?: string | string[];
     breaks?: boolean;
     conditionsInCode?: boolean;
     disableLiquid?: boolean;
@@ -68,6 +69,7 @@ function transform(originInput: string, opts: OptionsType = {}): OutputType {
         needTitle,
         allowHTML = false,
         linkify = false,
+        linkifyTlds,
         breaks = true,
         conditionsInCode = false,
         needToSanitizeHtml = false,
@@ -118,6 +120,10 @@ function transform(originInput: string, opts: OptionsType = {}): OutputType {
 
     plugins.forEach((plugin) => md.use(plugin, pluginOptions));
 
+    if (linkify && linkifyTlds) {
+        md.linkify.tlds(linkifyTlds, true);
+    }
+
     try {
         let title;
         let tokens;

test/linkify.test.ts

@@ -0,0 +1,18 @@
+import transform from '../src/transform';
+
+describe('Linkify', () => {
+    it('should not linkify .cloud tld without linkifyTlds option', () => {
+        const {
+            result: {html},
+        } = transform('yandex.cloud');
+
+        expect(html).toBe('<p>yandex.cloud</p>\n');
+    });
+    it('should linkify .cloud tld with linkifyTlds option', () => {
+        const {
+            result: {html},
+        } = transform('yandex.cloud', {linkifyTlds: 'cloud', linkify: true});
+
+        expect(html).toBe('<p><a href="http://yandex.cloud">yandex.cloud</a></p>\n');
+    });
+});