lint: move eslint to new plugin system

PR-URL: https://github.com/nodejs/node/pull/18566
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>

1 files changed, 24 insertions, 0 deletions

diff --git a/tools/node_modules/eslint-plugin-node-core/index.js b/tools/node_modules/eslint-plugin-node-core/index.js
new file mode 100644
index 0000000000..e27945688e
--- /dev/null
+++ b/tools/node_modules/eslint-plugin-node-core/index.js
@@ -0,0 +1,24 @@
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+let cache;
+module.exports = {
+  get rules() {
+    const RULES_DIR = module.exports.RULES_DIR;
+    if (!RULES_DIR)
+      return {};
+
+    if (!cache) {
+      cache = {};
+      const files = fs.readdirSync(RULES_DIR)
+        .filter(filename => filename.endsWith('.js'))
+      for (const file of files) {
+        const name = file.slice(0, -3);
+        cache[name] = require(path.resolve(RULES_DIR, file));
+      }
+    }
+    return cache;
+  },
+};