feature: @putout/operate: remove: do not throw when no node

Author: coderaiser

packages/operate/lib/remove.js

@@ -4,6 +4,9 @@ const {entries} = Object;
 const isOneDeclaration = ({node}) => node.declarations.length === 1;
 
 module.exports.remove = (path) => {
+    if (!path.node)
+        return;
+    
     const {scope} = path;
     const prev = getPrevSibling(path);
     const next = getNextSibling(path);

packages/operate/lib/remove.spec.js

@@ -42,3 +42,21 @@ test('@putout/operate: remove: no scope', (t) => {
     t.equal(code, expected);
     t.end();
 });
+
+test('@putout/operate: remove: not found', (t) => {
+    const source = `x ? a() : b();\n`;
+    const ast = parse(source);
+    
+    traverse(ast, {
+        ConditionalExpression: (path) => {
+            const nextPath = path.getNextSibling();
+            
+            remove(nextPath);
+        },
+    });
+    
+    const code = print(ast);
+    
+    t.equal(code, source);
+    t.end();
+});