7 files changed, 30 insertions, 35 deletions

diff --git a/editors/code/package-lock.json b/editors/code/package-lock.json
index 353af06bf..66d504066 100644
--- a/editors/code/package-lock.json
+++ b/editors/code/package-lock.json
@@ -878,7 +878,7 @@
         "vscode-languageclient": {
             "version": "6.1.0",
             "resolved": "https://registry.npmjs.org/vscode-languageclient/-/vscode-languageclient-6.1.0.tgz",
-            "integrity": "sha512-Tcp0VoOaa0YzxL4nEfK9tsmcy76Eo8jNLvFQZwh2c8oMm02luL8uGYPLQNAiZ3XGgegfcwiQFZMqbW7DNV0vxA==",
+            "integrity": "sha1-7mfAt4GMQs4CgVctBcia38xPWjg=",
             "requires": {
                 "semver": "^6.3.0",
                 "vscode-languageserver-protocol": "^3.15.2"
diff --git a/editors/code/src/client.ts b/editors/code/src/client.ts
index 1778c4e9f..7e7e909dd 100644
--- a/editors/code/src/client.ts
+++ b/editors/code/src/client.ts
@@ -7,25 +7,21 @@ import { Config } from './config';
 
 export function createClient(config: Config): lc.LanguageClient {
     // '.' Is the fallback if no folder is open
-    // TODO?: Workspace folders support Uri's (eg: file://test.txt). It might be a good idea to test if the uri points to a file.
-    let folder: string = '.';
-    if (workspace.workspaceFolders !== undefined) {
-        folder = workspace.workspaceFolders[0].uri.fsPath.toString();
-    }
+    // TODO?: Workspace folders support Uri's (eg: file://test.txt).
+    // It might be a good idea to test if the uri points to a file.
+    const workspaceFolderPath = workspace.workspaceFolders?.[0]?.uri.fsPath ?? '.';
 
-    const command = expandPathResolving(config.raLspServerPath);
-    if (spawnSync(command, ["--version"]).status !== 0) {
+    const raLspServerPath = expandPathResolving(config.raLspServerPath);
+    if (spawnSync(raLspServerPath, ["--version"]).status !== 0) {
         window.showErrorMessage(
-            `Unable to execute '${command} --version'
-
-Perhaps it is not in $PATH?
-
-PATH=${process.env.PATH}
-`);
+            `Unable to execute '${raLspServerPath} --version'\n\n` +
+            `Perhaps it is not in $PATH?\n\n` +
+            `PATH=${process.env.PATH}\n`
+        );
     }
     const run: lc.Executable = {
-        command,
-        options: { cwd: folder },
+        command: raLspServerPath,
+        options: { cwd: workspaceFolderPath },
     };
     const serverOptions: lc.ServerOptions = {
         run,
@@ -43,8 +39,7 @@ PATH=${process.env.PATH}
             cargoWatchEnable: config.cargoWatchOptions.enable,
             cargoWatchArgs: config.cargoWatchOptions.arguments,
             cargoWatchCommand: config.cargoWatchOptions.command,
-            cargoWatchAllTargets:
-                config.cargoWatchOptions.allTargets,
+            cargoWatchAllTargets: config.cargoWatchOptions.allTargets,
             excludeGlobs: config.excludeGlobs,
             useClientWatching: config.useClientWatching,
             featureFlags: config.featureFlags,
diff --git a/editors/code/src/color_theme.ts b/editors/code/src/color_theme.ts
index 7e10c7f79..a6957a76e 100644
--- a/editors/code/src/color_theme.ts
+++ b/editors/code/src/color_theme.ts
@@ -33,6 +33,7 @@ export class ColorTheme {
                 : typeof rule.scope === 'string'
                     ? [rule.scope]
                     : rule.scope;
+
             for (const scope of scopes) {
                 res.rules.set(scope, rule.settings);
             }
@@ -69,13 +70,13 @@ function loadThemeNamed(themeName: string): ColorTheme {
         );
     }
 
-    const themePaths = vscode.extensions.all
+    const themePaths: string[] = vscode.extensions.all
         .filter(isTheme)
-        .flatMap(ext => {
-            return ext.packageJSON.contributes.themes
+        .flatMap(
+            ext => ext.packageJSON.contributes.themes
                 .filter((it: any) => (it.id || it.label) === themeName)
-                .map((it: any) => path.join(ext.extensionPath, it.path));
-        });
+                .map((it: any) => path.join(ext.extensionPath, it.path))
+        );
 
     const res = new ColorTheme();
     for (const themePath of themePaths) {
@@ -96,13 +97,12 @@ function loadThemeFile(themePath: string): ColorTheme {
         return new ColorTheme();
     }
     const obj = jsonc.parse(text);
-    const tokenColors = obj?.tokenColors ?? [];
+    const tokenColors: TextMateRule[] = obj?.tokenColors ?? [];
     const res = ColorTheme.fromRules(tokenColors);
 
-    for (const include in obj?.include ?? []) {
+    for (const include of obj?.include ?? []) {
         const includePath = path.join(path.dirname(themePath), include);
-        const tmp = loadThemeFile(includePath);
-        res.mergeFrom(tmp);
+        res.mergeFrom(loadThemeFile(includePath));
     }
 
     return res;
diff --git a/editors/code/src/commands/on_enter.ts b/editors/code/src/commands/on_enter.ts
index c636234da..25eaebcbe 100644
--- a/editors/code/src/commands/on_enter.ts
+++ b/editors/code/src/commands/on_enter.ts
@@ -7,7 +7,7 @@ import { Cmd, Ctx } from '../ctx';
 async function handleKeypress(ctx: Ctx) {
     const editor = ctx.activeRustEditor;
     const client = ctx.client;
-    if (!editor) return false;
+
     if (!editor || !client) return false;
 
     const request: lc.TextDocumentPositionParams = {
diff --git a/editors/code/src/config.ts b/editors/code/src/config.ts
index fc21c8813..c750b2d5c 100644
--- a/editors/code/src/config.ts
+++ b/editors/code/src/config.ts
@@ -23,9 +23,9 @@ export class Config {
     lruCapacity: null | number = null;
     displayInlayHints = true;
     maxInlayHintLength: null | number = null;
-    excludeGlobs = [];
+    excludeGlobs: string[] = [];
     useClientWatching = true;
-    featureFlags = {};
+    featureFlags: Record<string, boolean> = {};
     // for internal use
     withSysroot: null | boolean = null;
     cargoWatchOptions: CargoWatchOptions = {
diff --git a/editors/code/src/highlighting.ts b/editors/code/src/highlighting.ts
index 66216e0fc..e90fb8acc 100644
--- a/editors/code/src/highlighting.ts
+++ b/editors/code/src/highlighting.ts
@@ -69,7 +69,7 @@ interface Decoration {
 
 // Based on this HSL-based color generator: https://gist.github.com/bendc/76c48ce53299e6078a76
 function fancify(seed: string, shade: 'light' | 'dark') {
-    const random = randomU32Numbers(hashString(seed))
+    const random = randomU32Numbers(hashString(seed));
     const randomInt = (min: number, max: number) => {
         return Math.abs(random()) % (max - min + 1) + min;
     };
@@ -253,14 +253,14 @@ function randomU32Numbers(seed: number) {
         random ^= random >> 17;
         random ^= random << 5;
         random |= 0;
-        return random
-    }
+        return random;
+    };
 }
 
 function hashString(str: string): number {
     let res = 0;
     for (let i = 0; i < str.length; ++i) {
-        const c = str.codePointAt(i)!!;
+        const c = str.codePointAt(i)!;
         res = (res * 31 + c) & ~0;
     }
     return res;
diff --git a/editors/code/src/main.ts b/editors/code/src/main.ts
index efc31b2e2..5efce41f4 100644
--- a/editors/code/src/main.ts
+++ b/editors/code/src/main.ts
@@ -6,7 +6,7 @@ import { activateStatusDisplay } from './status_display';
 import { Ctx } from './ctx';
 import { activateHighlighting } from './highlighting';
 
-let ctx!: Ctx;
+let ctx: Ctx | undefined;
 
 export async function activate(context: vscode.ExtensionContext) {
     ctx = new Ctx(context);