summaryrefslogtreecommitdiff
path: root/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/validators/isBinding.js
blob: e18ad197604f98f5522180f4db125e77390b2b33 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = isBinding;

var _getBindingIdentifiers = _interopRequireDefault(require("../retrievers/getBindingIdentifiers"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function isBinding(node, parent, grandparent) {
  if (grandparent && node.type === "Identifier" && parent.type === "ObjectProperty" && grandparent.type === "ObjectExpression") {
    return false;
  }

  const keys = _getBindingIdentifiers.default.keys[parent.type];

  if (keys) {
    for (let i = 0; i < keys.length; i++) {
      const key = keys[i];
      const val = parent[key];

      if (Array.isArray(val)) {
        if (val.indexOf(node) >= 0) return true;
      } else {
        if (val === node) return true;
      }
    }
  }

  return false;
}