feat(lsp): implement refactoring code actions (#11555)

Closes: denoland/vscode_deno#433

4 files changed, 256 insertions, 0 deletions

diff --git a/cli/tests/lsp/code_action_params_refactor.json b/cli/tests/lsp/code_action_params_refactor.json
new file mode 100644
index 000000000..9fe359498
--- /dev/null
+++ b/cli/tests/lsp/code_action_params_refactor.json
@@ -0,0 +1,21 @@
+{
+  "textDocument": {
+    "uri": "file:///a/file.ts"
+  },
+  "range": {
+    "start": {
+      "line": 0,
+      "character": 7
+    },
+    "end": {
+      "line": 0,
+      "character": 33
+    }
+  },
+  "context": {
+    "diagnostics": [],
+    "only": [
+      "refactor"
+    ]
+  }
+}
diff --git a/cli/tests/lsp/code_action_resolve_params_refactor.json b/cli/tests/lsp/code_action_resolve_params_refactor.json
new file mode 100644
index 000000000..d4bb3bd81
--- /dev/null
+++ b/cli/tests/lsp/code_action_resolve_params_refactor.json
@@ -0,0 +1,20 @@
+{
+  "title": "Extract to interface",
+  "kind": "refactor.extract.interface",
+  "isPreferred": true,
+  "data": {
+    "specifier": "file:///a/file.ts",
+    "range": {
+      "start": {
+        "line": 0,
+        "character": 7
+      },
+      "end": {
+        "line": 0,
+        "character": 33
+      }
+    },
+    "refactorName": "Extract type",
+    "actionName": "Extract to interface"
+  }
+}
diff --git a/cli/tests/lsp/code_action_resolve_response_refactor.json b/cli/tests/lsp/code_action_resolve_response_refactor.json
new file mode 100644
index 000000000..721a76a6b
--- /dev/null
+++ b/cli/tests/lsp/code_action_resolve_response_refactor.json
@@ -0,0 +1,58 @@
+{
+  "title": "Extract to interface",
+  "kind": "refactor.extract.interface",
+  "edit": {
+    "documentChanges": [
+      {
+        "textDocument": {
+          "uri": "file:///a/file.ts",
+          "version": 1
+        },
+        "edits": [
+          {
+            "range": {
+              "start": {
+                "line": 0,
+                "character": 0
+              },
+              "end": {
+                "line": 0,
+                "character": 0
+              }
+            },
+            "newText": "interface NewType {\n  a?: number;\n  b?: string;\n}\n\n"
+          },
+          {
+            "range": {
+              "start": {
+                "line": 0,
+                "character": 7
+              },
+              "end": {
+                "line": 0,
+                "character": 33
+              }
+            },
+            "newText": "NewType"
+          }
+        ]
+      }
+    ]
+  },
+  "isPreferred": true,
+  "data": {
+    "specifier": "file:///a/file.ts",
+    "range": {
+      "start": {
+        "line": 0,
+        "character": 7
+      },
+      "end": {
+        "line": 0,
+        "character": 33
+      }
+    },
+    "refactorName": "Extract type",
+    "actionName": "Extract to interface"
+  }
+}
diff --git a/cli/tests/lsp/code_action_response_refactor.json b/cli/tests/lsp/code_action_response_refactor.json
new file mode 100644
index 000000000..87f354e37
--- /dev/null
+++ b/cli/tests/lsp/code_action_response_refactor.json
@@ -0,0 +1,157 @@
+[
+  {
+    "title": "Extract to type alias",
+    "kind": "refactor.extract.type",
+    "isPreferred": true,
+    "data": {
+      "specifier": "file:///a/file.ts",
+      "range": {
+        "start": {
+          "line": 0,
+          "character": 7
+        },
+        "end": {
+          "line": 0,
+          "character": 33
+        }
+      },
+      "refactorName": "Extract type",
+      "actionName": "Extract to type alias"
+    }
+  },
+  {
+    "title": "Extract to interface",
+    "kind": "refactor.extract.interface",
+    "isPreferred": true,
+    "data": {
+      "specifier": "file:///a/file.ts",
+      "range": {
+        "start": {
+          "line": 0,
+          "character": 7
+        },
+        "end": {
+          "line": 0,
+          "character": 33
+        }
+      },
+      "refactorName": "Extract type",
+      "actionName": "Extract to interface"
+    }
+  },
+  {
+    "title": "Extract function",
+    "kind": "refactor.extract.function",
+    "isPreferred": false,
+    "disabled": {
+      "reason": "Statement or expression expected."
+    },
+    "data": {
+      "specifier": "file:///a/file.ts",
+      "range": {
+        "start": {
+          "line": 0,
+          "character": 7
+        },
+        "end": {
+          "line": 0,
+          "character": 33
+        }
+      },
+      "refactorName": "Extract Symbol",
+      "actionName": "Extract Function"
+    }
+  },
+  {
+    "title": "Extract constant",
+    "kind": "refactor.extract.constant",
+    "isPreferred": false,
+    "disabled": {
+      "reason": "Statement or expression expected."
+    },
+    "data": {
+      "specifier": "file:///a/file.ts",
+      "range": {
+        "start": {
+          "line": 0,
+          "character": 7
+        },
+        "end": {
+          "line": 0,
+          "character": 33
+        }
+      },
+      "refactorName": "Extract Symbol",
+      "actionName": "Extract Constant"
+    }
+  },
+  {
+    "title": "Convert default export to named export",
+    "kind": "refactor.rewrite.export.named",
+    "isPreferred": false,
+    "disabled": {
+      "reason": "Could not find export statement"
+    },
+    "data": {
+      "specifier": "file:///a/file.ts",
+      "range": {
+        "start": {
+          "line": 0,
+          "character": 7
+        },
+        "end": {
+          "line": 0,
+          "character": 33
+        }
+      },
+      "refactorName": "Convert export",
+      "actionName": "Convert default export to named export"
+    }
+  },
+  {
+    "title": "Convert named export to default export",
+    "kind": "refactor.rewrite.export.default",
+    "isPreferred": false,
+    "disabled": {
+      "reason": "Could not find export statement"
+    },
+    "data": {
+      "specifier": "file:///a/file.ts",
+      "range": {
+        "start": {
+          "line": 0,
+          "character": 7
+        },
+        "end": {
+          "line": 0,
+          "character": 33
+        }
+      },
+      "refactorName": "Convert export",
+      "actionName": "Convert named export to default export"
+    }
+  },
+  {
+    "title": "Convert namespace import to named imports",
+    "kind": "refactor.rewrite.import.named",
+    "isPreferred": false,
+    "disabled": {
+      "reason": "Selection is not an import declaration."
+    },
+    "data": {
+      "specifier": "file:///a/file.ts",
+      "range": {
+        "start": {
+          "line": 0,
+          "character": 7
+        },
+        "end": {
+          "line": 0,
+          "character": 33
+        }
+      },
+      "refactorName": "Convert import",
+      "actionName": "Convert namespace import to named imports"
+    }
+  }
+]