Fix #1498: problem of tags.Examples<Rec> (#1499)

* Fix #1498: problem of tags.Examples

* Missed prettier

package.json

@@ -1,6 +1,6 @@
 {
   "name": "typia",
-  "version": "7.6.3",
+  "version": "7.6.4",
   "description": "Superfast runtime validators with only one line",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",

src/factories/MetadataTypeTagFactory.ts

@@ -75,10 +75,10 @@ export namespace MetadataTypeTagFactory {
 
       // CHECK LIST OF PROPERTIES
       const tag: MetadataObjectType = top.value.objects[0]!.type;
-      const statics: string[] = tag.properties
+      const statistics: string[] = tag.properties
         .map((p) => p.key.getSoleLiteral()!)
         .filter((str) => str !== null);
-      if (ESSENTIAL_FIELDS.some((f) => !statics.includes(f)))
+      if (ESSENTIAL_FIELDS.some((f) => !statistics.includes(f)))
         return report({
           property: null,
           message: `must have at least three properties - ${ESSENTIAL_FIELDS.map(
@@ -223,14 +223,16 @@ export namespace MetadataTypeTagFactory {
     else if (
       // VALUE
       props.key === "value" &&
-      (props.value.size() > 1 ||
-        (props.value.size() !== 0 &&
-          (props.value.constants.length !== 1 ||
-            props.value.constants[0]!.values.length !== 1)))
+      !(
+        (props.value.size() === 0 && props.value.isRequired() === false) ||
+        (props.value.size() === 1 &&
+          (props.value.objects.length === 1 ||
+            props.value.constants.length === 1))
+      )
     )
       return props.report({
         property: props.key,
-        message: "must be a constant literal type or undefined value",
+        message: "must be a literal type or undefined value",
       });
     else if (props.key === "exclusive") return get_exclusive(props) !== null;
     else if (props.key === "validate") {

src/factories/internal/metadata/iterate_metadata_intersection.ts

@@ -192,7 +192,6 @@ export const iterate_metadata_intersection = (
     objects: tagObjects,
     explore: props.explore,
   });
-
   Object.assign(props.collection, commit);
   iterate_metadata({
     ...props,

src/tags/Examples.ts

@@ -1,16 +1,16 @@
 import { TagBase } from "./TagBase";
 
 export type Examples<
-  Dict extends Record<
+  Value extends Record<
     string,
     boolean | bigint | number | string | object | Array<unknown> | null
   >,
 > = TagBase<{
   target: "boolean" | "bigint" | "number" | "string" | "array" | "object";
   kind: "examples";
-  value: Dict;
+  value: Value;
   exclusive: true;
   schema: {
-    examples: Dict;
+    examples: Value;
   };
 }>;