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, 57 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/markdown-escapes/index.js b/tools/node_modules/eslint/node_modules/markdown-escapes/index.js
new file mode 100644
index 0000000000..9e5b7739f9
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/markdown-escapes/index.js
@@ -0,0 +1,57 @@
+'use strict';
+
+module.exports = escapes;
+
+var defaults = [
+  '\\',
+  '`',
+  '*',
+  '{',
+  '}',
+  '[',
+  ']',
+  '(',
+  ')',
+  '#',
+  '+',
+  '-',
+  '.',
+  '!',
+  '_',
+  '>'
+];
+
+var gfm = defaults.concat(['~', '|']);
+
+var commonmark = gfm.concat([
+  '\n',
+  '"',
+  '$',
+  '%',
+  '&',
+  '\'',
+  ',',
+  '/',
+  ':',
+  ';',
+  '<',
+  '=',
+  '?',
+  '@',
+  '^'
+]);
+
+escapes.default = defaults;
+escapes.gfm = gfm;
+escapes.commonmark = commonmark;
+
+/* Get markdown escapes. */
+function escapes(options) {
+  var settings = options || {};
+
+  if (settings.commonmark) {
+    return commonmark;
+  }
+
+  return settings.gfm ? gfm : defaults;
+}