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, 19 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/lodash/_charsEndIndex.js b/tools/node_modules/eslint/node_modules/lodash/_charsEndIndex.js
new file mode 100644
index 0000000000..07908ff3aa
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/lodash/_charsEndIndex.js
@@ -0,0 +1,19 @@
+var baseIndexOf = require('./_baseIndexOf');
+
+/**
+ * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+ * that is not found in the character symbols.
+ *
+ * @private
+ * @param {Array} strSymbols The string symbols to inspect.
+ * @param {Array} chrSymbols The character symbols to find.
+ * @returns {number} Returns the index of the last unmatched string symbol.
+ */
+function charsEndIndex(strSymbols, chrSymbols) {
+  var index = strSymbols.length;
+
+  while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+  return index;
+}
+
+module.exports = charsEndIndex;