Using the '.eslintignore' config file for excluding the temporary,

vendor specific, and templates files, instead of writing our own logic
to do so.

Patch by: Anthony & Joao
Reviewed by: Khushboo

web/.eslintignore

@@ -0,0 +1,5 @@
+generated
+node_modules
+vendor
+templates/
+templates\

web/package.json

@@ -91,7 +91,7 @@
     "webcabin-docker": "git+https://github.com/EnterpriseDB/wcDocker"
   },
   "scripts": {
-    "linter": "node pga_eslint.js",
+    "linter": "yarn eslint --no-eslintrc -c .eslintrc.js --ext .js --ext .jsx .",
     "webpacker": "yarn run webpack --config webpack.config.js --progress",
     "webpacker:watch": "yarn run webpack --config webpack.config.js --progress --watch",
     "bundle:watch": "yarn run linter && yarn run webpacker:watch",

web/pga_eslint.js

@@ -1,44 +0,0 @@
-#!/usr/bin/env node
-
-/* eslint no-console:off */
-/* eslint no-undef:off */
-'use strict';
-
-const debug = (process.argv.indexOf('--debug') > -1),
-  file_argv = process.argv.indexOf('--file');
-var argv = process.argv;
-
-if (file_argv > -1) {
-  argv.splice(file_argv, 1);
-} else {
-  argv = argv.concat(['--ignore-pattern', __filename]);
-}
-
-// must do this initialization *before* other requires in order to work
-if (debug) {
-  require('debug').enable('eslint:*,-eslint:code-path');
-}
-
-const fs = require('fs');
-const path = require('path');
-const read = (dir) =>
-  fs.readdirSync(dir)
-  .reduce((files, file) =>
-    fs.statSync(path.join(dir, file)).isDirectory() ?
-    files.concat(read(path.join(dir, file))) :
-    ((file, files) => (
-      file.indexOf(path.sep + 'generated' + path.sep) === -1 &&
-      file.indexOf(path.sep + 'vendor' + path.sep) === -1 &&
-      file.indexOf(path.sep + 'static' + path.sep) > -1 &&
-      (file.endsWith('.js') || file.endsWith('.jsx')) &&
-      files.concat(file) || files
-    ))(path.join(dir, file), files), []),
-  eslint_cli = require('eslint/lib/cli');
-
-process.exitCode = eslint_cli.execute(
-  file_argv > -1 ? argv : argv.concat(
-    read(path.join(__dirname, 'pgadmin'))
-  ).concat(
-    ['regression/javascript/**/*.jsx','regression/javascript/**/*.js','*.js']
-  )
-);