Method addChild

packages/dockview-core/src/gridview/branchNode.ts:302–314

(
        node: Node,
        size: number | Sizing,
        index: number,
        skipLayout?: boolean
    )

    }

    public addChild(
        node: Node,
        size: number | Sizing,
        index: number,
        skipLayout?: boolean
    ): void {
        if (index < 0 || index > this.children.length) {
            throw new Error('Invalid index');
        }

        this.splitview.addView(node, size, index, skipLayout);
        this._addChild(node, index);
    }

    getChildCachedVisibleSize(index: number): number | undefined {
        if (index < 0 || index >= this.children.length) {