Issue 4878 - Start using ESLint for adblockpluscore

test_runner.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/* eslint-env node */
+
 "use strict";
 
-let fs = require("fs");
-let path = require("path");
-let process = require("process");
-let nodeunit = require("nodeunit");
-let qunit = require("node-qunit-phantomjs");
+const fs = require("fs");
+const path = require("path");
+const process = require("process");
+const nodeunit = require("nodeunit");
+const qunit = require("node-qunit-phantomjs");
 
 let nodeunitFiles = [];
 let qunitFiles = [];
 function addTestPaths(testPaths, recurse)
 {
   for (let testPath of testPaths)
   {
     let stat = fs.statSync(testPath);
     if (stat.isDirectory())
     {
       if (recurse)
       {
         addTestPaths(fs.readdirSync(testPath).map(
           file => path.join(testPath, file)));
       }
       continue;
     }
     if (path.basename(testPath).startsWith("_"))
       continue;
     if (testPath.split(path.sep).includes("browser"))
     {
       if (path.extname(testPath) == ".html")
         qunitFiles.push(testPath);
     }
     else if (path.extname(testPath) == ".js")
       nodeunitFiles.push(testPath);
   }
 }
 if (process.argv.length > 2)
-{
   addTestPaths(process.argv.slice(2), true);
-}
 else
 {
   addTestPaths(
     [path.join(__dirname, "test"), path.join(__dirname, "test", "browser")],
     true
   );
 }
 
 if (nodeunitFiles.length)
   nodeunit.reporters.default.run(nodeunitFiles);
 for (let file of qunitFiles)
   qunit(file);