feat: support use vscode variables in settings

package.json

@@ -150,6 +150,7 @@
   },
   "dependencies": {
     "command-exists": "^1.2.9",
-    "vscode-languageclient": "^9.0.0"
+    "vscode-languageclient": "^9.0.0",
+    "vscode-variables": "^0.1.3"
   }
 }

src/configuration.ts

@@ -2,6 +2,7 @@ import { WorkspaceConfiguration, workspace } from "vscode";
 import { LSPObject } from "vscode-languageclient";
 
 import { MessageItem, Uri } from "vscode";
+import { transformConfigValueByVscodeVariables } from "./utils";
 
 export interface UriMessageItem extends MessageItem {
   uri: Uri;
@@ -14,8 +15,13 @@ export class Config {
     return workspace.getConfiguration(this.rootSection);
   }
 
-  private get<T>(path: string, def_val: T): T {
-    return this.cfg.get<T>(path) ?? def_val;
+  private get<T extends string | boolean | LSPObject>(
+    path: string,
+    def_val: T,
+  ): T {
+    return transformConfigValueByVscodeVariables(
+      this.cfg.get<T>(path) ?? def_val,
+    );
   }
 
   get formatterPath(): string | Array<string> {

src/global.d.ts

@@ -0,0 +1,6 @@
+declare module "vscode-variables" {
+  export default function variables(
+    string: string,
+    recursive?: boolean,
+  ): string;
+}

src/utils.ts

@@ -0,0 +1,34 @@
+import { LSPObject } from "vscode-languageclient";
+import variables from "vscode-variables";
+
+/**
+ * transform config value by vscode variables
+ * @link https://www.npmjs.com/package/vscode-variables?activeTab=readme
+ */
+export const transformConfigValueByVscodeVariables = <
+  T extends string | boolean | LSPObject,
+>(
+  _cfg: T,
+): T => {
+  let cfg = _cfg;
+  try {
+    if (typeof cfg === "string") {
+      cfg = variables(cfg) as T;
+    } else if (!!cfg && typeof cfg === "object") {
+      Object.keys(cfg).forEach((key) => {
+        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+        // @ts-ignore
+        // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
+        cfg[key] = transformConfigValueByVscodeVariables(cfg[key]);
+      });
+    } else if (Array.isArray(cfg) && cfg.length > 0) {
+      cfg = cfg.map(
+        (item) => transformConfigValueByVscodeVariables(item) as unknown,
+      ) as T;
+    }
+    return cfg;
+  } catch (err) {
+    console.error(err);
+    return cfg;
+  }
+};

yarn.lock

@@ -3578,6 +3578,11 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/vscode-languageserver-types/-/vscode-languageserver-types-3.17.5.tgz#3273676f0cf2eab40b3f44d085acbb7f08a39d8a"
   integrity sha512-Ld1VelNuX9pdF39h2Hgaeb5hEZM2Z3jUrrMgWQAu82jMtZp7p3vJT3BzToKtZI7NgQssZje5o0zryOrhQvzQAg==
 
+vscode-variables@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/vscode-variables/-/vscode-variables-0.1.3.tgz#7d035e66dbeec7385d04de6478ff942f53fa4178"
+  integrity sha512-atxTgTGoSxtsUIqTKRozIB122meW6uMw5DWkdyeC7ibUX6mLUFi/F+w1ZoqMSx4BTgvhsD98UGlEaMDNtRP4Qg==
+
 which@^2.0.1:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/which/-/which-2.0.2.tgz#7c6a8dd0a636a0327e10b59c9286eee93f3f51b1"