Support context value and hover message

Author: Kingwl

src/server/protocol.ts

@@ -2496,6 +2496,8 @@ namespace ts.server.protocol {
         triggerPosition: Location;
         prefix?: string;
         postfix?: string;
+        contextValue?: string;
+        hoverMessage?: string;
         whitespaceBefore?: boolean;
         whitespaceAfter?: boolean;
     }

src/server/session.ts

@@ -1432,6 +1432,8 @@ namespace ts.server {
                 triggerPosition: scriptInfo.positionToLineOffset(hint.triggerPosition),
                 prefix: hint.prefix,
                 postfix: hint.postfix,
+                contextValue: hint.contextValue,
+                hoverMessage: hint.hoverMessage,
                 whitespaceBefore: hint.whitespaceBefore,
                 whitespaceAfter: hint.whitespaceAfter
             }));

src/services/inlineHints.ts

@@ -6,6 +6,8 @@ namespace ts.InlineHints {
         triggerPosition: number;
         prefix?: string;
         postfix?: string;
+        contextValue?: string;
+        hoverMessage?: string;
         whitespaceBefore?: boolean;
         whitespaceAfter?: boolean;
     }
@@ -89,6 +91,7 @@ namespace ts.InlineHints {
                 range,
                 triggerPosition: node.getStart(),
                 postfix: ":",
+                hoverMessage: text,
                 whitespaceAfter: true,
             });
         }
@@ -99,6 +102,7 @@ namespace ts.InlineHints {
                 range,
                 triggerPosition: node.getStart(),
                 prefix: ":",
+                hoverMessage: text,
                 whitespaceBefore: true,
             });
         }
@@ -109,6 +113,7 @@ namespace ts.InlineHints {
                 range,
                 triggerPosition: node.getStart(),
                 prefix: "= ",
+                hoverMessage: text,
                 whitespaceBefore: true,
             });
         }

src/services/types.ts

@@ -706,6 +706,8 @@ namespace ts {
         triggerPosition: number;
         prefix?: string;
         postfix?: string;
+        contextValue?: string;
+        hoverMessage?: string;
         whitespaceBefore?: boolean;
         whitespaceAfter?: boolean;
     }