feat(lsp): implement textDocument/selectionRange (#9845)

Ref: #8643

2 files changed, 28 insertions, 0 deletions

diff --git a/cli/tests/lsp/selection_range_did_open_notification.json b/cli/tests/lsp/selection_range_did_open_notification.json
new file mode 100644
index 000000000..a6b3d9d39
--- /dev/null
+++ b/cli/tests/lsp/selection_range_did_open_notification.json
@@ -0,0 +1,12 @@
+{
+  "jsonrpc": "2.0",
+  "method": "textDocument/didOpen",
+  "params": {
+    "textDocument": {
+      "uri": "file:///a/file.ts",
+      "languageId": "typescript",
+      "version": 1,
+      "text": "class Foo {\n  bar(a, b) {\n    if (a === b) {\n      return true;\n    }\n    return false;\n  }\n}"
+    }
+  }
+}
diff --git a/cli/tests/lsp/selection_range_request.json b/cli/tests/lsp/selection_range_request.json
new file mode 100644
index 000000000..5125fa6a0
--- /dev/null
+++ b/cli/tests/lsp/selection_range_request.json
@@ -0,0 +1,16 @@
+{
+  "jsonrpc": "2.0",
+  "id": 2,
+  "method": "textDocument/selectionRange",
+  "params": {
+    "textDocument": {
+      "uri": "file:///a/file.ts"
+    },
+    "positions": [
+      {
+        "line": 2,
+        "character": 8
+      }
+    ]
+  }
+}