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, 38 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/lodash/toLength.js b/tools/node_modules/eslint/node_modules/lodash/toLength.js
new file mode 100644
index 0000000000..be8f2a7446
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/lodash/toLength.js
@@ -0,0 +1,38 @@
+var baseClamp = require('./_baseClamp'),
+    toInteger = require('./toInteger');
+
+/** Used as references for the maximum length and index of an array. */
+var MAX_ARRAY_LENGTH = 4294967295;
+
+/**
+ * Converts `value` to an integer suitable for use as the length of an
+ * array-like object.
+ *
+ * **Note:** This method is based on
+ * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to convert.
+ * @returns {number} Returns the converted integer.
+ * @example
+ *
+ * _.toLength(3.2);
+ * // => 3
+ *
+ * _.toLength(Number.MIN_VALUE);
+ * // => 0
+ *
+ * _.toLength(Infinity);
+ * // => 4294967295
+ *
+ * _.toLength('3.2');
+ * // => 3
+ */
+function toLength(value) {
+  return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
+}
+
+module.exports = toLength;