feat(search): add title search qualifier (#1940)

* fix(search): include link titles in title matcher

* docs(search): add title qualifier

* docs: remove title qualifier from v0.27 guide

3 files changed, 50 insertions, 1 deletions

diff --git a/packages/shared/searchQueryParser.test.ts b/packages/shared/searchQueryParser.test.ts
index 7a86ecb5..3fe3f388 100644
--- a/packages/shared/searchQueryParser.test.ts
+++ b/packages/shared/searchQueryParser.test.ts
@@ -162,6 +162,42 @@ describe("Search Query Parser", () => {
         inverse: true,
       },
     });
+    expect(parseSearchQuery("title:example")).toEqual({
+      result: "full",
+      text: "",
+      matcher: {
+        type: "title",
+        title: "example",
+        inverse: false,
+      },
+    });
+    expect(parseSearchQuery("-title:example")).toEqual({
+      result: "full",
+      text: "",
+      matcher: {
+        type: "title",
+        title: "example",
+        inverse: true,
+      },
+    });
+    expect(parseSearchQuery('title:"my title"')).toEqual({
+      result: "full",
+      text: "",
+      matcher: {
+        type: "title",
+        title: "my title",
+        inverse: false,
+      },
+    });
+    expect(parseSearchQuery('-title:"my title"')).toEqual({
+      result: "full",
+      text: "",
+      matcher: {
+        type: "title",
+        title: "my title",
+        inverse: true,
+      },
+    });
     expect(parseSearchQuery("#my-tag")).toEqual({
       result: "full",
       text: "",
diff --git a/packages/shared/searchQueryParser.ts b/packages/shared/searchQueryParser.ts
index 9a29a8b7..f919df96 100644
--- a/packages/shared/searchQueryParser.ts
+++ b/packages/shared/searchQueryParser.ts
@@ -41,7 +41,7 @@ const lexerRules: [RegExp, TokenType][] = [
   [/^\s+or/i, TokenType.Or],
 
   [/^#/, TokenType.Hash],
-  [/^(is|url|list|after|before|age|feed):/, TokenType.Qualifier],
+  [/^(is|url|list|after|before|age|feed|title):/, TokenType.Qualifier],
 
   [/^"([^"]+)"/, TokenType.StringLiteral],
 
@@ -195,6 +195,11 @@ MATCHER.setPattern(
               text: "",
               matcher: { type: "url", url: ident, inverse: !!minus },
             };
+          case "title:":
+            return {
+              text: "",
+              matcher: { type: "title", title: ident, inverse: !!minus },
+            };
           case "#":
             return {
               text: "",
diff --git a/packages/shared/types/search.ts b/packages/shared/types/search.ts
index 26d5bd42..caedcf94 100644
--- a/packages/shared/types/search.ts
+++ b/packages/shared/types/search.ts
@@ -31,6 +31,12 @@ const zUrlMatcher = z.object({
   inverse: z.boolean(),
 });
 
+const zTitleMatcher = z.object({
+  type: z.literal("title"),
+  title: z.string(),
+  inverse: z.boolean(),
+});
+
 const zFavouritedMatcher = z.object({
   type: z.literal("favourited"),
   favourited: z.boolean(),
@@ -82,6 +88,7 @@ const zNonRecursiveMatcher = z.union([
   zListNameMatcher,
   zArchivedMatcher,
   zUrlMatcher,
+  zTitleMatcher,
   zFavouritedMatcher,
   zDateAfterMatcher,
   zDateBeforeMatcher,
@@ -104,6 +111,7 @@ export const zMatcherSchema: z.ZodType<Matcher> = z.lazy(() => {
     zListNameMatcher,
     zArchivedMatcher,
     zUrlMatcher,
+    zTitleMatcher,
     zFavouritedMatcher,
     zDateAfterMatcher,
     zDateBeforeMatcher,