Linkify messages with unicode drawing characters

ts/test-node/types/LinkPreview_test.ts

@@ -62,12 +62,6 @@ describe('Link previews', () => {
       assert.isFalse(shouldLinkifyMessage('\u202e'));
     });
 
-    it('returns false for strings with unicode drawing characters', () => {
-      assert.isFalse(shouldLinkifyMessage('\u2500'));
-      assert.isFalse(shouldLinkifyMessage('\u2588'));
-      assert.isFalse(shouldLinkifyMessage('\u25FF'));
-    });
-
     it('returns true other strings', () => {
       assert.isTrue(shouldLinkifyMessage(null));
       assert.isTrue(shouldLinkifyMessage(undefined));
@@ -166,6 +160,21 @@ describe('Link previews', () => {
       assert.strictEqual(isLinkSneaky(link), true);
     });
 
+    it('returns true for strings with unicode drawing characters', () => {
+      assert.strictEqual(
+        isLinkSneaky('https://example.com/\u2500/stuff'),
+        true
+      );
+      assert.strictEqual(
+        isLinkSneaky('https://example.com/\u2588/stuff'),
+        true
+      );
+      assert.strictEqual(
+        isLinkSneaky('https://example.com/\u25FF/stuff'),
+        true
+      );
+    });
+
     it('returns true for $', () => {
       const link = 'r.id$s.id';
       assert.strictEqual(isLinkSneaky(link), true);

ts/types/LinkPreview.ts

@@ -90,9 +90,6 @@ export function shouldLinkifyMessage(
   if (DIRECTIONAL_OVERRIDES.test(message)) {
     return false;
   }
-  if (UNICODE_DRAWING.test(message)) {
-    return false;
-  }
 
   return true;
 }
@@ -187,6 +184,10 @@ export function isLinkSneaky(href: string): boolean {
     return true;
   }
 
+  if (UNICODE_DRAWING.test(href)) {
+    return true;
+  }
+
   const url = maybeParseUrl(href);
 
   // If we can't parse it, it's sneaky.