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, 50 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/acorn-jsx/node_modules/acorn/src/node.js b/tools/node_modules/eslint/node_modules/acorn-jsx/node_modules/acorn/src/node.js
new file mode 100644
index 0000000000..76b5b09825
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/acorn-jsx/node_modules/acorn/src/node.js
@@ -0,0 +1,50 @@
+import {Parser} from "./state"
+import {SourceLocation} from "./locutil"
+
+export class Node {
+  constructor(parser, pos, loc) {
+    this.type = ""
+    this.start = pos
+    this.end = 0
+    if (parser.options.locations)
+      this.loc = new SourceLocation(parser, loc)
+    if (parser.options.directSourceFile)
+      this.sourceFile = parser.options.directSourceFile
+    if (parser.options.ranges)
+      this.range = [pos, 0]
+  }
+}
+
+// Start an AST node, attaching a start offset.
+
+const pp = Parser.prototype
+
+pp.startNode = function() {
+  return new Node(this, this.start, this.startLoc)
+}
+
+pp.startNodeAt = function(pos, loc) {
+  return new Node(this, pos, loc)
+}
+
+// Finish an AST node, adding `type` and `end` properties.
+
+function finishNodeAt(node, type, pos, loc) {
+  node.type = type
+  node.end = pos
+  if (this.options.locations)
+    node.loc.end = loc
+  if (this.options.ranges)
+    node.range[1] = pos
+  return node
+}
+
+pp.finishNode = function(node, type) {
+  return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc)
+}
+
+// Finish node at given position
+
+pp.finishNodeAt = function(node, type, pos, loc) {
+  return finishNodeAt.call(this, node, type, pos, loc)
+}