eslint-plugin-chai-expect-keywords/lib/util/find-expect-call.js

ESLint plugin that checks for chai.js expect() assertions using non-existent keywords

module.exports = function findExpectCall(node) {
  if (node.type === 'CallExpression' &&
    node.callee.type === 'Identifier' &&
    node.callee.name === 'expect'
  ) {
    return node;
  }

  if (node.type === 'MemberExpression') {
    return findExpectCall(node.object);
  }
};