tools: move eslint from tools to tools/node_modules

This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.

Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/lodash/_getSymbols.js b/tools/node_modules/eslint/node_modules/lodash/_getSymbols.js
new file mode 100644
index 0000000000..7d6eafebb3
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/lodash/_getSymbols.js
@@ -0,0 +1,30 @@
+var arrayFilter = require('./_arrayFilter'),
+    stubArray = require('./stubArray');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Built-in value references. */
+var propertyIsEnumerable = objectProto.propertyIsEnumerable;
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeGetSymbols = Object.getOwnPropertySymbols;
+
+/**
+ * Creates an array of the own enumerable symbols of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {Array} Returns the array of symbols.
+ */
+var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+  if (object == null) {
+    return [];
+  }
+  object = Object(object);
+  return arrayFilter(nativeGetSymbols(object), function(symbol) {
+    return propertyIsEnumerable.call(object, symbol);
+  });
+};
+
+module.exports = getSymbols;