fix(yaml): remove square brackets from array completions

Fixes jsonnext#152

Author: undg

src/features/__tests__/json-completion.spec.ts

@@ -742,14 +742,14 @@ describe.each([
         detail: "array",
         info: "",
         label: "arrayOfObjects",
-        template: "arrayOfObjects: [#{}]",
+        template: "arrayOfObjects: #{}",
       },
       {
         type: "property",
         detail: "array",
         info: "",
         label: "arrayOfOneOf",
-        template: "arrayOfOneOf: [#{}]",
+        template: "arrayOfOneOf: #{}",
       },
     ],
   },

src/features/completion.ts

@@ -506,7 +506,17 @@ export class JSONCompletion {
               }
               break;
             case "array":
-              value = "[#{}]";
+              switch (this.mode) {
+                case MODES.JSON5:
+                  value = "[#{}]";
+                  break;
+                case MODES.YAML:
+                  value = "#{}";
+                  break;
+                default:
+                  value = "[#{}]";
+                  break;
+              }
               break;
             case "number":
             case "integer":