chore: use eslint instead of tslint (#6452)

.eslintrc.js

@@ -0,0 +1,54 @@
+module.exports = {
+    "env": {
+        "node": true
+    },
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "project": "tsconfig.json",
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "@typescript-eslint/no-unused-vars": [
+            "error",
+            {
+                "args": "none"
+            }
+        ],
+        "@typescript-eslint/prefer-namespace-keyword": "error",
+        "@typescript-eslint/quotes": [
+            "error",
+            "double",
+            {
+                "avoidEscape": true,
+                "allowTemplateLiterals": true
+            }
+        ],
+        "@typescript-eslint/semi": [
+            "error"
+        ],
+        "@typescript-eslint/type-annotation-spacing": "error",
+        "eqeqeq": [
+            "error",
+            "smart"
+        ],
+        "id-blacklist": [
+            "error",
+            "any",
+            "Number",
+            "number",
+            "String",
+            "string",
+            "Boolean",
+            "boolean",
+            "Undefined",
+            "undefined"
+        ],
+        "id-match": "error",
+        "no-eval": "error",
+        "no-redeclare": "error",
+        "no-var": "error"
+    }
+};

gulpfile.ts

@@ -11,7 +11,7 @@ const replace = require("gulp-replace");
 const rename = require("gulp-rename");
 const mocha = require("gulp-mocha");
 const chai = require("chai");
-const tslint = require("gulp-tslint");
+const eslint = require("gulp-eslint");
 const sourcemaps = require("gulp-sourcemaps");
 const istanbul = require("gulp-istanbul");
 const remapIstanbul = require("remap-istanbul/lib/gulpRemapIstanbul");
@@ -269,18 +269,11 @@ export class Gulpfile {
      * Runs ts linting to validate source code.
      */
     @Task()
-    tslint() {
+    eslint() {
         return gulp.src(["./src/**/*.ts", "./test/**/*.ts", "./sample/**/*.ts"])
-            .pipe(
-                tslint({
-                    formatter: "stylish"
-                })
-            )
-            .pipe(tslint.report({
-                emitError: true,
-                sort: true,
-                bell: true
-            }));
+            .pipe(eslint())
+            .pipe(eslint.format('stylish'))
+            .pipe(eslint.failAfterError())
     }
 
     /**