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/ajv-keywords/keywords/deepProperties.js b/tools/node_modules/eslint/node_modules/ajv-keywords/keywords/deepProperties.js
new file mode 100644
index 0000000000..3dac5fb55f
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/ajv-keywords/keywords/deepProperties.js
@@ -0,0 +1,54 @@
+'use strict';
+
+var util = require('./_util');
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'object',
+    macro: function (schema) {
+      var schemas = [];
+      for (var pointer in schema)
+        schemas.push(getSchema(pointer, schema[pointer]));
+      return { 'allOf': schemas };
+    },
+    metaSchema: {
+      type: 'object',
+      propertyNames: {
+        type: 'string',
+        format: 'json-pointer'
+      },
+      additionalProperties: util.metaSchemaRef(ajv)
+    }
+  };
+
+  ajv.addKeyword('deepProperties', defFunc.definition);
+  return ajv;
+};
+
+
+function getSchema(jsonPointer, schema) {
+  var segments = jsonPointer.split('/');
+  var rootSchema = {};
+  var pointerSchema = rootSchema;
+  for (var i=1; i<segments.length; i++) {
+    var segment = segments[i];
+    var isLast = i == segments.length - 1;
+    segment = unescapeJsonPointer(segment);
+    var properties = pointerSchema.properties = {};
+    var items = undefined;
+    if (/[0-9]+/.test(segment)) {
+      var count = +segment;
+      items = pointerSchema.items = [];
+      while (count--) items.push({});
+    }
+    pointerSchema = isLast ? schema : {};
+    properties[segment] = pointerSchema;
+    if (items) items.push(pointerSchema);
+  }
+  return rootSchema;
+}
+
+
+function unescapeJsonPointer(str) {
+  return str.replace(/~1/g, '/').replace(/~0/g, '~');
+}