Fix error if schema doesn't contain type (redhat-developer#328)

* redhat-developer#317 fix error if schema doesn't contain type

Signed-off-by: Yevhen Vydolob <yvydolob@redhat.com>

* Remove unused import

Signed-off-by: Yevhen Vydolob <yvydolob@redhat.com>

Author: evidolob

src/languageservice/services/yamlCompletion.ts

@@ -773,6 +773,7 @@ export class YAMLCompletion extends JSONCompletion {
     let insertText = '';
     if (!schema) {
       insertText = `$${insertIndex++}`;
+      return { insertText, insertIndex };
     }
     let type = Array.isArray(schema.type) ? schema.type[0] : schema.type;
     if (!type) {

test/autoCompletion.test.ts

@@ -10,6 +10,7 @@ import path = require('path');
 import { createExpectedCompletion } from './utils/verifyError';
 import { ServiceSetup } from './utils/serviceSetup';
 import { CompletionList } from 'vscode-languageserver';
+import { expect } from 'chai';
 
 const languageSettingsSetup = new ServiceSetup().withCompletion();
 const languageService = configureLanguageService(languageSettingsSetup.languageSettings);
@@ -1262,6 +1263,39 @@ suite('Auto Completion Tests', () => {
           })
           .then(done, done);
       });
+
+      it('should handle array schema without items', async () => {
+        languageService.addSchema(SCHEMA_ID, {
+          type: 'array',
+          items: {
+            anyOf: [
+              {
+                type: 'object',
+                properties: {
+                  fooBar: {
+                    type: 'object',
+                    properties: {
+                      name: {
+                        type: 'string',
+                      },
+                      aaa: {
+                        type: 'array',
+                      },
+                    },
+                    required: ['name', 'aaa'],
+                  },
+                },
+              },
+            ],
+          },
+        });
+
+        const content = '---\n- \n';
+        const completion = await parseSetup(content, 6);
+        expect(completion.items).lengthOf(1);
+        expect(completion.items[0].label).eq('fooBar');
+        expect(completion.items[0].insertText).eq('fooBar:\n    name: $1\n    aaa:\n      - $2');
+      });
     });
   });
 });