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, 53 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/remark-parse/lib/parse.js b/tools/node_modules/eslint/node_modules/remark-parse/lib/parse.js
new file mode 100644
index 0000000000..53a50b181e
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/remark-parse/lib/parse.js
@@ -0,0 +1,53 @@
+/**
+ * @author Titus Wormer
+ * @copyright 2015 Titus Wormer
+ * @license MIT
+ * @module remark:parse:parse
+ * @fileoverview Parse the document
+ */
+
+'use strict';
+
+var xtend = require('xtend');
+var removePosition = require('unist-util-remove-position');
+
+module.exports = parse;
+
+var C_NEWLINE = '\n';
+var EXPRESSION_LINE_BREAKS = /\r\n|\r/g;
+
+/* Parse the bound file. */
+function parse() {
+  var self = this;
+  var value = String(self.file);
+  var start = {line: 1, column: 1, offset: 0};
+  var content = xtend(start);
+  var node;
+
+  /* Clean non-unix newlines: `\r\n` and `\r` are all
+   * changed to `\n`.  This should not affect positional
+   * information. */
+  value = value.replace(EXPRESSION_LINE_BREAKS, C_NEWLINE);
+
+  if (value.charCodeAt(0) === 0xFEFF) {
+    value = value.slice(1);
+
+    content.column++;
+    content.offset++;
+  }
+
+  node = {
+    type: 'root',
+    children: self.tokenizeBlock(value, content),
+    position: {
+      start: start,
+      end: self.eof || xtend(start)
+    }
+  };
+
+  if (!self.options.position) {
+    removePosition(node, true);
+  }
+
+  return node;
+}