Replace tslint with eslint and stylistic (#279)

* replace tslint with eslint and stylistic

* apply linting rules

* add EOL

* rename step in workflow

.github/workflows/ci.yaml

@@ -97,7 +97,7 @@ jobs:
         run: npx mocha --timeout 30000 -r ts-node/register/type-check test/*-test.ts
 
   lint:
-    name: Run TSLint
+    name: Run ESLint
     runs-on: ubuntu-latest
     steps:
       - name: Fetch code

bin/build_wasm.ts

@@ -13,7 +13,7 @@ if (!platform && process.argv[2]) {
 if (process.argv[2] === '--prebuild') {
   const cmd = `docker build --platform=${platform.toString().trim()} -t llhttp_wasm_builder .`;
 
-  /* tslint:disable-next-line no-console */
+  // eslint-disable-next-line no-console
   console.log(`> ${cmd}\n\n`);
   execSync(cmd, { stdio: 'inherit' });
 
@@ -43,7 +43,7 @@ if (process.argv[2] === '--docker') {
   }
   cmd += ` --mount type=bind,source=${WASM_SRC}/build,target=/home/node/llhttp/build llhttp_wasm_builder npm run wasm`;
 
-  /* tslint:disable-next-line no-console */
+  // eslint-disable-next-line no-console
   console.log(`> ${cmd}\n\n`);
   execSync(cmd, { cwd: WASM_SRC, stdio: 'inherit' });
   process.exit(0);

eslint.json

@@ -0,0 +1,50 @@
+{
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:@stylistic/recommended-extends"
+  ],
+  "rules": {
+    "max-len": [
+      "error",
+      {
+        "code": 120
+      }
+    ],
+    "no-console": "error",
+    "@typescript-eslint/no-unused-vars": "error",
+    "@stylistic/array-bracket-spacing": ["error", "always"],
+    "@stylistic/operator-linebreak": ["error", "after"],
+    "@stylistic/brace-style": ["error", "1tbs", { "allowSingleLine": true }],
+    "@stylistic/member-delimiter-style": ["error", {
+      "overrides": {
+        "interface": {
+          "multiline": {
+            "delimiter": "semi",
+            "requireLast": true
+          }
+        }
+      }
+    }],
+    "indent": "off",
+    "@stylistic/indent": ["error", 2, {
+      "SwitchCase": 1,
+      "FunctionDeclaration":  { "parameters": "first" },
+      "FunctionExpression": { "parameters": "first" }
+    }],
+    "semi": "off",
+    "@stylistic/semi": ["error", "always"]
+  },
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "project": [
+      "tsconfig.eslint.json"
+    ],
+    "sourceType": "module",
+    "ecmaFeatures": {
+      "jsx": true,
+      "modules": true,
+      "experimentalObjectRestSpread": true
+    }
+  }
+}