@atlaskit/eslint-plugin-design-system/dist/cjs/rules/utils/find-in-parent.js

The essential plugin for use with the Atlassian Design System.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.findIdentifierInParentScope = findIdentifierInParentScope;
/**
 * This will search first matched identifier in same and parent scopes.
 * Returns first matched identifer otherwise null.
 */
function findIdentifierInParentScope(_ref) {
  var scope = _ref.scope,
    identifierName = _ref.identifierName;
  var traversingScope = scope;
  while (traversingScope && traversingScope.type !== 'global') {
    var matchedVariable = traversingScope.variables.find(function (variable) {
      return variable.name === identifierName;
    });
    if (matchedVariable) {
      return matchedVariable;
    }
    traversingScope = traversingScope.upper;
  }
  return null;
}