Share CLIEngine per worker

src/LintRunner.js

@@ -15,12 +15,11 @@ export default class LintRunner {
     this.workers = promisify(workers);
   }
 
-  run(config, files) {
+  run(files) {
     const that = this;
     return Promise.all(
       files.map((file) => {
         return that.workers({
-          config: config,
           fileArg: file
         });
       })

src/LintWorker.js

@@ -1,21 +1,16 @@
 import { CLIEngine } from 'eslint';
 
-const lintFile = (config, fileArg) => {
+const eslint = new CLIEngine({ cwd: process.cwd() });
+
+const lintFile = (fileArg) => {
   if (!Array.isArray(fileArg)) {
     fileArg = [fileArg];
   }
-
-  const eslint = new CLIEngine(config);
   const report = eslint.executeOnFiles(fileArg);
-
-  // autofix if possible (experimental)
-  if (config.fix) {
-    CLIEngine.outputFixes(report);
-  }
   return report.results;
 };
 
 module.exports = (options, callback) => {
-  const results = lintFile(options.config, options.fileArg);
+  const results = lintFile(options.fileArg);
   callback(null, results);
 };

src/Server.js

@@ -116,7 +116,7 @@ export default class Server {
     }
     this.filesToProcess++;
     const that = this;
-    this.lintRunner.run({ cwd: ROOT_DIR }, [file])
+    this.lintRunner.run([file])
       .then(function(results) {
         const record = results.records[0];
         if (record) {

src/commands/check.js

@@ -16,13 +16,13 @@ export const check = (options) => {
   const rcDir = path.dirname(rcPath);
   const eslint = new CLIEngine({ cwd: rcDir });
 
-  const filePaths = flatten(paths.map(globPath => glob.sync(globPath, { cwd: rcDir })));
+  const filePaths = flatten(paths.map(globPath => glob.sync(globPath, { cwd: rcDir, absolute: true })));
   // filter out the files that we tell eslint to ignore
   const nonIgnoredFilePaths = filePaths.filter((filePath) => {
-    return !(eslint.isPathIgnored(path.join(rcDir, filePath)) || filePath.indexOf('eslint') !== -1);
+    return !(eslint.isPathIgnored(filePath) || filePath.indexOf('eslint') !== -1);
   });
 
-  lintRunner.run({ cwd: rcDir }, nonIgnoredFilePaths)
+  lintRunner.run(nonIgnoredFilePaths)
     .then((results) => {
       const records = results.records.filter((record) => {
         return record.warningCount > 0 || record.errorCount > 0;