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, 70 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/repeat-string/index.js b/tools/node_modules/eslint/node_modules/repeat-string/index.js
new file mode 100644
index 0000000000..4459afd801
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/repeat-string/index.js
@@ -0,0 +1,70 @@
+/*!
+ * repeat-string <https://github.com/jonschlinkert/repeat-string>
+ *
+ * Copyright (c) 2014-2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+/**
+ * Results cache
+ */
+
+var res = '';
+var cache;
+
+/**
+ * Expose `repeat`
+ */
+
+module.exports = repeat;
+
+/**
+ * Repeat the given `string` the specified `number`
+ * of times.
+ *
+ * **Example:**
+ *
+ * ```js
+ * var repeat = require('repeat-string');
+ * repeat('A', 5);
+ * //=> AAAAA
+ * ```
+ *
+ * @param {String} `string` The string to repeat
+ * @param {Number} `number` The number of times to repeat the string
+ * @return {String} Repeated string
+ * @api public
+ */
+
+function repeat(str, num) {
+  if (typeof str !== 'string') {
+    throw new TypeError('expected a string');
+  }
+
+  // cover common, quick use cases
+  if (num === 1) return str;
+  if (num === 2) return str + str;
+
+  var max = str.length * num;
+  if (cache !== str || typeof cache === 'undefined') {
+    cache = str;
+    res = '';
+  } else if (res.length >= max) {
+    return res.substr(0, max);
+  }
+
+  while (max > res.length && num > 1) {
+    if (num & 1) {
+      res += str;
+    }
+
+    num >>= 1;
+    str += str;
+  }
+
+  res += str;
+  res = res.substr(0, max);
+  return res;
+}