Method closeToLeft

src/services/workbench/editorService.ts:533–563

(tab: IEditorTab, groupId: UniqueId)

    }

    public closeToLeft(tab: IEditorTab, groupId: UniqueId) {
        const groupIndex = this.getGroupIndexById(groupId);
        if (groupIndex <= -1) return;

        const { groups = [] } = this.state;
        const nextGroups = [...groups];
        const tabId = tab.id;
        const nextGroup = nextGroups[groupIndex];
        const nextTabData = nextGroup.data;

        const tabIndex = nextTabData!.findIndex(searchById(tabId));
        if (tabIndex <= -1) return;

        const updateTabs = nextTabData?.slice(tabIndex, nextTabData.length);
        const removedTabs = cloneDeep(
            nextTabData?.slice(0, tabIndex).filter(
                (item) =>
                    !this.isOpened(
                        item.id!,
                        nextGroups.filter((g) => g.id !== groupId)
                    )
            )
        );

        this.updateGroup(groupId, {
            data: updateTabs,
        });
        this.setActive(groupId, tabId!);
        this.disposeModel(removedTabs || []);
        this.explorerService.forceUpdate();
    }

    public getGroupById(groupId: UniqueId): IEditorGroup | undefined {
        const { groups } = this.state;