Method spawnChildren

packages/2d/src/lib/components/Node.ts:1288–1309

(reactive: boolean, children: ComponentChildren)

  }

  protected spawnChildren(reactive: boolean, children: ComponentChildren) {
    const parsedChildren = this.parseChildren(children);

    const keep = new Set<string>();
    for (const newChild of parsedChildren) {
      const current = newChild.parent.context.raw() as Node | null;
      if (current && current !== this) {
        current.removeChild(newChild);
      }
      keep.add(newChild.key);
      newChild.parent(this);
    }

    for (const oldChild of this.realChildren) {
      if (!keep.has(oldChild.key)) {
        oldChild.parent(null);
      }
    }

    this.hasSpawnedChildren = reactive;
    this.realChildren = parsedChildren;
  }

  /**
   * Parse any `ComponentChildren` into an array of nodes.