add logic to test that makes sure props contains an array

test/unit/mocha/part3/book-item-contains-props.spec.js

@@ -30,7 +30,9 @@ describe('BookItem.vue', () => {
  let results = esquery(ast, 'ExportDefaultDeclaration Property[key.name="name"] Literal[value="BookItem"]');
  assert(results.length > 0, 'The BookItem component does not have a `name` property with the value of `BookItem` defined in the `export default` section');
 
- results = esquery(ast, 'ExportDefaultDeclaration Property[key.name="props"] Literal[value="book"]');
- assert(results.length > 0, 'The BookItem component does not have a `props` property with an array value containing the string `book` defined in the `export default` section');
+ // console.log(esquery(ast, 'ExportDefaultDeclaration Property[key.name="props"]'))
+ results = esquery(ast, 'ExportDefaultDeclaration Property[key.name="props"]');
+ // console.log(results[0].value)
+ assert(results.length > 0 && results[0].value.type == 'ArrayExpression' && results[0].value.elements[0].value == 'book', 'The BookItem component does not have a `props` property with an array value containing the string `book` defined in the `export default` section');
  });
 });