fix(48406): resolve JSDoc host of property signature (#48407)

src/compiler/utilities.ts

@@ -2825,7 +2825,11 @@ namespace ts {
 
     export function getHostSignatureFromJSDoc(node: Node): SignatureDeclaration | undefined {
         const host = getEffectiveJSDocHost(node);
-        return host && isFunctionLike(host) ? host : undefined;
+        if (host) {
+            return isPropertySignature(host) && host.type && isFunctionLike(host.type) ? host.type :
+                isFunctionLike(host) ? host : undefined;
+        }
+        return undefined;
     }
 
     export function getEffectiveJSDocHost(node: Node): Node | undefined {

tests/baselines/reference/quickInfoLink9.baseline

@@ -0,0 +1,52 @@
+[
+  {
+    "marker": {
+      "fileName": "/tests/cases/fourslash/quickInfoLink9.ts",
+      "position": 47,
+      "name": ""
+    },
+    "quickInfo": {
+      "kind": "parameter",
+      "kindModifiers": "",
+      "textSpan": {
+        "start": 47,
+        "length": 1
+      },
+      "displayParts": [
+        {
+          "text": "(",
+          "kind": "punctuation"
+        },
+        {
+          "text": "parameter",
+          "kind": "text"
+        },
+        {
+          "text": ")",
+          "kind": "punctuation"
+        },
+        {
+          "text": " ",
+          "kind": "space"
+        },
+        {
+          "text": "a",
+          "kind": "parameterName"
+        },
+        {
+          "text": ":",
+          "kind": "punctuation"
+        },
+        {
+          "text": " ",
+          "kind": "space"
+        },
+        {
+          "text": "number",
+          "kind": "keyword"
+        }
+      ],
+      "documentation": []
+    }
+  }
+]

tests/cases/fourslash/quickInfoLink9.ts

@@ -0,0 +1,10 @@
+/// <reference path="fourslash.ts" />
+
+//// type Foo = {
+////     /**
+////      * Text before {@link /**/a} text after
+////      */
+////     c: (a: number) => void;
+//// }
+
+verify.baselineQuickInfo();