tests and refactoring

2026-08-09 12:42:29 +00:00 · 2016-06-17 16:55:28 +03:00
parent 9eb172a19e
commit 320719360c
3 changed files with 20 additions and 9 deletions
@@ -51,11 +51,15 @@ export class NodeUtils {
     * @returns {INode}
     */
    public static getBlockStatementNodeByIndex (node: INode, index: number = 0): INode {
-        if (Nodes.isNodeHasBlockStatement(node) && node.body[index]) {
+        if (Nodes.isNodeHasBlockStatement(node)) {
+            if (node.body[index] === undefined) {
+                throw new ReferenceError(`Wrong index \`${index}\`. BlockStatement body length is \`${node.body.length}\`.`);
+            }
+
            return node.body[index];
        }

-        return node;
+        throw new TypeError('The specified node has not block statement');
    }

    /**