fix(core): adjust ToTwoToo linter to ignore transitions (#2761)

Author: elijah-potter

harper-core/src/linting/to_two_too/mod.rs

@@ -448,4 +448,19 @@ mod tests {
     fn no_lint_prone_to_melancholy() {
         assert_no_lints("He wasn’t a man prone to melancholy.", ToTwoToo::default());
     }
+
+    #[test]
+    fn no_lint_superlative_range() {
+        assert_no_lints("Sort speeds from slowest to fastest.", ToTwoToo::default());
+    }
+
+    #[test]
+    fn no_lint_comparative_range() {
+        assert_no_lints("We rank tasks from harder to easier.", ToTwoToo::default());
+    }
+
+    #[test]
+    fn still_lints_positive_adjective_end() {
+        assert_lint_count("The room felt to cold.", ToTwoToo::default(), 1);
+    }
 }

harper-core/src/linting/to_two_too/to_too_adjective_end.rs

@@ -53,7 +53,10 @@ impl ExprLinter for ToTooAdjectiveEnd {
         while idx < tokens.len() && tokens[idx].kind.is_whitespace() {
             idx += 1;
         }
-        if idx >= tokens.len() || !tokens[idx].kind.is_adjective() {
+        if idx >= tokens.len()
+            || !tokens[idx].kind.is_adjective()
+            || !tokens[idx].kind.is_positive_adjective()
+        {
             return None;
         }
         let prev_non_ws = tokens[..to_index].iter().rfind(|t| !t.kind.is_whitespace());

harper-core/src/linting/to_two_too/to_too_adjective_punct.rs

@@ -53,7 +53,7 @@ impl ExprLinter for ToTooAdjectivePunct {
             return None;
         }
         let adjective = &tokens[idx];
-        if !adjective.kind.is_adjective() {
+        if !adjective.kind.is_adjective() || !adjective.kind.is_positive_adjective() {
             return None;
         }
         if adjective.kind.is_preposition() {