Still WIP

js/entity/ArrayEntity.js

@@ -0,0 +1,41 @@
+import P from "parsernostrum"
+import Grammar from "../serialization/Grammar.js"
+import IEntity from "./IEntity.js"
+
+/** @template {typeof IEntity} T */
+export default class ArrayEntity extends IEntity {
+
+    /** @type {typeof IEntity} */
+    static type
+
+    /** @param {InstanceType<T>[]} values */
+    constructor(values = []) {
+        super()
+        this.values = values
+    }
+
+    static createGrammar(elementGrammar = this.type.grammar) {
+        return this.inlined
+            ? elementGrammar
+            : P.seq(
+                P.reg(/\(\s*/),
+                elementGrammar.sepBy(Grammar.commaSeparation).opt(),
+                P.reg(/\s*(?:,\s*)?\)/),
+            ).map(([_0, values, _3]) => new this(values instanceof Array ? values : []))
+    }
+
+    /**
+     * @template {typeof IEntity} T
+     * @param {NonNullable<T>} type
+     */
+    static of(type) {
+        const result = /** @type {(typeof ArrayEntity<T>) & { type: T }} */(this.asUniqueClass())
+        result.type = type
+        this.grammar = result.createGrammar()
+        return result
+    }
+
+    valueOf() {
+        return this.values
+    }
+}