Use parameter properties

package.json

@@ -325,6 +325,12 @@
         }
       ],
       "@typescript-eslint/no-magic-numbers": "off",
+      "@typescript-eslint/parameter-properties": [
+        "error",
+        {
+          "prefer": "parameter-property"
+        }
+      ],
       "@typescript-eslint/prefer-readonly-parameter-types": "off",
       "@typescript-eslint/strict-boolean-expressions": [
         "error",

src/args.ts

@@ -1,15 +1,11 @@
 import type vscode from "vscode";
 
 export abstract class CliArg {
-  readonly vscodeName: string;
-  readonly cliName: string;
-  readonly minVersion: string;
-
-  constructor(vscodeName: string, cliName: string, minVersion: string) {
-    this.vscodeName = vscodeName;
-    this.cliName = cliName;
-    this.minVersion = minVersion;
-  }
+  constructor(
+    readonly vscodeName: string,
+    readonly cliName: string,
+    readonly minVersion: string
+  ) {}
 
   abstract build(
     config: vscode.WorkspaceConfiguration,

src/formatter.ts

@@ -4,12 +4,9 @@ import { configSection, getConfig } from "./config";
 import { runDjlint } from "./runner";
 
 export class Formatter implements vscode.DocumentFormattingEditProvider {
-  protected readonly context: vscode.ExtensionContext;
   protected providerDisposable: vscode.Disposable | undefined;
 
-  constructor(context: vscode.ExtensionContext) {
-    this.context = context;
-  }
+  constructor(protected readonly context: vscode.ExtensionContext) {}
 
   activate(): void {
     this.register();

src/linter.ts

@@ -9,10 +9,8 @@ export class Linter {
   protected static readonly oldOutputRegex =
     /^(?<code>[A-Z]+\d+)\s+(?<line>\d+):(?<column>\d+)\s+(?<message>.+)$/gm;
   protected readonly collection: vscode.DiagnosticCollection;
-  protected readonly context: vscode.ExtensionContext;
 
-  constructor(context: vscode.ExtensionContext) {
-    this.context = context;
+  constructor(protected readonly context: vscode.ExtensionContext) {
     this.collection = vscode.languages.createDiagnosticCollection("djLint");
     this.context.subscriptions.push(this.collection);
   }