fixed auto completion not suggest const for array

src/languageservice/services/yamlCompletion.ts

@@ -538,7 +538,7 @@ export class YamlCompletion {
     const hasColon = lineContent.indexOf(':') !== -1;
 
     const nodeParent = doc.getParent(node);
-
+    const isArray = nodeParent && isSeq(nodeParent) && nodeParent.items.length > 0 ? true : false;
     const matchOriginal = matchingSchemas.find((it) => it.node.internalNode === originalNode && it.schema.properties);
     for (const schema of matchingSchemas) {
       if (
@@ -663,7 +663,7 @@ export class YamlCompletion {
         //    - item1
         // it will treated as a property key since `:` has been appended
         if (nodeParent && isSeq(nodeParent) && schema.schema.type !== 'object') {
-          this.addSchemaValueCompletions(schema.schema, separatorAfter, collector, {});
+          this.addSchemaValueCompletions(schema.schema, separatorAfter, collector, {}, isArray);
         }
       }
 
@@ -1137,10 +1137,11 @@ export class YamlCompletion {
     schema: JSONSchemaRef,
     separatorAfter: string,
     collector: CompletionsCollector,
-    types: unknown
+    types: unknown,
+    isArray?: boolean
   ): void {
     if (typeof schema === 'object') {
-      this.addEnumValueCompletions(schema, separatorAfter, collector);
+      this.addEnumValueCompletions(schema, separatorAfter, collector, isArray);
       this.addDefaultValueCompletions(schema, separatorAfter, collector);
       this.collectTypes(schema, types);
       if (Array.isArray(schema.allOf)) {
@@ -1231,8 +1232,13 @@ export class YamlCompletion {
     }
   }
 
-  private addEnumValueCompletions(schema: JSONSchema, separatorAfter: string, collector: CompletionsCollector): void {
-    if (isDefined(schema.const)) {
+  private addEnumValueCompletions(
+    schema: JSONSchema,
+    separatorAfter: string,
+    collector: CompletionsCollector,
+    isArray: boolean
+  ): void {
+    if (isDefined(schema.const) && !isArray) {
       collector.add({
         kind: this.getSuggestionKind(schema.type),
         label: this.getLabelForValue(schema.const),

test/autoCompletion.test.ts

@@ -1518,6 +1518,29 @@ describe('Auto Completion Tests', () => {
       );
     });
 
+    it('Array completion - should not suggest const', async () => {
+      languageService.addSchema(SCHEMA_ID, {
+        type: 'object',
+        properties: {
+          test: {
+            type: 'array',
+            items: {
+              type: 'object',
+              properties: {
+                constProp: {
+                  type: 'string',
+                  const: 'const1',
+                },
+              },
+            },
+          },
+        },
+      });
+      const content = 'test:\n  - constProp:\n    ';
+      const result = await parseSetup(content, content.length);
+      expect(result.items.length).to.be.equal(0);
+    });
+
     it('Object in array with 4 space indentation check', async () => {
       const languageSettingsSetup = new ServiceSetup().withCompletion().withIndentation('    ');
       languageService.configure(languageSettingsSetup.languageSettings);