chore: migrate to eslint

Author: ark120202

.eslintignore

@@ -0,0 +1,2 @@
+/lib
+/test-workspace

package.json

@@ -17,9 +17,9 @@
   "scripts": {
     "build": "tsc",
     "dev": "tsc --watch",
-    "lint": "run-s lint:prettier lint:tslint",
+    "lint": "run-s lint:prettier lint:eslint",
+    "lint:eslint": "eslint . --ext .ts",
     "lint:prettier": "prettier --check **/*.{ts,md,yml,json}",
-    "lint:tslint": "tslint -p .",
     "prepublishOnly": "yarn build"
   },
   "prettier": {
@@ -28,6 +28,12 @@
     "singleQuote": true,
     "trailingComma": "all"
   },
+  "eslintConfig": {
+    "extends": "@ark120202/eslint-config/node",
+    "parserOptions": {
+      "project": "tsconfig.json"
+    }
+  },
   "dependencies": {
     "mock-require": "^3.0.3",
     "resolve-from": "^5.0.0",
@@ -36,13 +42,13 @@
     "typescript-to-lua": "^0.20.0"
   },
   "devDependencies": {
-    "@ark120202/tslint-config": "^4.0.2",
+    "@ark120202/eslint-config": "^1.0.0",
     "@ark120202/typescript-config": "^2.0.0",
     "@types/mock-require": "^2.0.0",
     "@types/node": "^12.0.2",
+    "eslint": "^5.16.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^1.17.1",
-    "tslint": "^5.16.0",
     "typescript": "^3.4.5"
   },
   "engines": {

src/index.ts

@@ -3,15 +3,15 @@ import path from 'path';
 import resolveFrom from 'resolve-from';
 import resolveGlobal from 'resolve-global';
 import { ParsedCommandLine } from 'typescript-to-lua';
-import * as ts_module from 'typescript/lib/tsserverlibrary';
+import * as tsserverlibrary from 'typescript/lib/tsserverlibrary';
 
 const pluginMarker = Symbol('pluginMarker');
 class TSTLPlugin {
   constructor(
-    private ts: typeof ts_module,
-    private languageService: ts_module.LanguageService,
-    private project: ts_module.server.Project,
-    private serverHost: ts_module.server.ServerHost,
+    private readonly ts: typeof tsserverlibrary,
+    private readonly languageService: tsserverlibrary.LanguageService,
+    private readonly project: tsserverlibrary.server.Project,
+    private readonly serverHost: tsserverlibrary.server.ServerHost,
   ) {}
 
   private log(message: string) {
@@ -44,6 +44,7 @@ class TSTLPlugin {
         'typescript-to-lua';
 
       this.log(`Loading typescript-to-lua from "${resolved}"`);
+      // eslint-disable-next-line @typescript-eslint/no-require-imports
       this._tstl = require(resolved);
     }
 
@@ -54,7 +55,7 @@ class TSTLPlugin {
     this.log('Wrapping language service');
     this.update();
 
-    const intercept: Partial<ts_module.LanguageService> = Object.create(null);
+    const intercept: Partial<tsserverlibrary.LanguageService> = Object.create(null);
     (intercept as any)[pluginMarker] = this;
     intercept.getSemanticDiagnostics = this.getSemanticDiagnostics.bind(this);
     return new Proxy(this.languageService, {
@@ -75,37 +76,40 @@ class TSTLPlugin {
     return diagnostics;
   }
 
-  private getTstlDiagnostics(program: ts_module.Program, sourceFile: ts_module.SourceFile) {
+  private getTstlDiagnostics(
+    program: tsserverlibrary.Program,
+    sourceFile: tsserverlibrary.SourceFile,
+  ) {
     if (this.parsedCommandLine != null && this.parsedCommandLine.raw.tstl != null) {
       Object.assign(program.getCompilerOptions(), this.parsedCommandLine.options);
 
       const transformer = new this.tstl.LuaTransformer(program);
       try {
         transformer.transformSourceFile(sourceFile);
-      } catch (err) {
-        if (err instanceof this.tstl.TranspileError) {
-          const diagnostic: ts_module.Diagnostic = {
+      } catch (error) {
+        if (error instanceof this.tstl.TranspileError) {
+          const diagnostic: tsserverlibrary.Diagnostic = {
             category: this.ts.DiagnosticCategory.Error,
             code: 0,
-            file: err.node.getSourceFile(),
-            start: err.node.getStart(),
-            length: err.node.getWidth(),
-            messageText: err.message,
+            file: error.node.getSourceFile(),
+            start: error.node.getStart(),
+            length: error.node.getWidth(),
+            messageText: error.message,
             source: 'typescript-to-lua',
           };
 
           return [diagnostic];
         }
 
-        this.log(`Error during transpilation: ${err.stack}`);
+        this.log(`Error during transpilation: ${error.stack}`);
       }
     }
 
     return [];
   }
 }
 
-const init: ts_module.server.PluginModuleFactory = ({ typescript }) => {
+const init: tsserverlibrary.server.PluginModuleFactory = ({ typescript }) => {
   mockRequire('typescript', typescript);
 
   return {