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, 54 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/optionator/lib/util.js b/tools/node_modules/eslint/node_modules/optionator/lib/util.js
new file mode 100644
index 0000000000..d5c972def1
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/optionator/lib/util.js
@@ -0,0 +1,54 @@
+// Generated by LiveScript 1.5.0
+(function(){
+  var prelude, map, sortBy, fl, closestString, nameToRaw, dasherize, naturalJoin;
+  prelude = require('prelude-ls'), map = prelude.map, sortBy = prelude.sortBy;
+  fl = require('fast-levenshtein');
+  closestString = function(possibilities, input){
+    var distances, ref$, string, distance, this$ = this;
+    if (!possibilities.length) {
+      return;
+    }
+    distances = map(function(it){
+      var ref$, longer, shorter;
+      ref$ = input.length > it.length
+        ? [input, it]
+        : [it, input], longer = ref$[0], shorter = ref$[1];
+      return {
+        string: it,
+        distance: fl.get(longer, shorter)
+      };
+    })(
+    possibilities);
+    ref$ = sortBy(function(it){
+      return it.distance;
+    }, distances)[0], string = ref$.string, distance = ref$.distance;
+    return string;
+  };
+  nameToRaw = function(name){
+    if (name.length === 1 || name === 'NUM') {
+      return "-" + name;
+    } else {
+      return "--" + name;
+    }
+  };
+  dasherize = function(string){
+    if (/^[A-Z]/.test(string)) {
+      return string;
+    } else {
+      return prelude.dasherize(string);
+    }
+  };
+  naturalJoin = function(array){
+    if (array.length < 3) {
+      return array.join(' or ');
+    } else {
+      return array.slice(0, -1).join(', ') + ", or " + array[array.length - 1];
+    }
+  };
+  module.exports = {
+    closestString: closestString,
+    nameToRaw: nameToRaw,
+    dasherize: dasherize,
+    naturalJoin: naturalJoin
+  };
+}).call(this);