@codehint-ng/tree-table/esm2022/lib/helpers/items.helper.mjs

A simple component to display tree-hierarchically data in table.

export class Helper {
    static sortItems(items, sortFunction) {
        const sortFunc = (a, b) => {
            return !!a.data && !!b.data ? sortFunction(a.data, b.data) : 0;
        };
        return items.sort(sortFunc);
    }
    static allParentsExpanded(shell) {
        let parent = shell.parent;
        while (!!parent) {
            if (!parent.item.isExpanded) {
                return false;
            }
            parent = parent.parent;
        }
        return true;
    }
    static itemsToShells(items, level, parent) {
        const shells = items.map(item => {
            const shell = {
                item,
                haveChildren: false,
                level,
                isVisible: level === 0,
                parent: parent.item.id === null ? null : parent
            };
            return shell;
        });
        return shells;
    }
    static arrayInsertItems(arr, index, newItems) {
        const newArr = [...arr.slice(0, index), ...newItems, ...arr.slice(index)];
        return newArr;
    }
    // stable
    static selectLevelItems(items, parent) {
        const levelItems = [];
        const otherItems = [];
        items.forEach(item => {
            if (item.parentId === parent.id) {
                levelItems.push(item);
            }
            else {
                otherItems.push(item);
            }
        });
        return { levelItems, otherItems };
    }
    static removeAllShellsChildren(outerShells, parentId) {
        let shells = outerShells;
        const removedIds = shells
            .filter(i => i.item.parentId === parentId).map(i => i.item.id);
        removedIds.forEach((id) => {
            shells = this.removeAllShellsChildren(shells, id);
        });
        return shells.filter(i => !removedIds.includes(i.item.id));
    }
    static removeAllChildren(outerItems, parentId) {
        let items = outerItems;
        const removedIds = items
            .filter(i => i.parentId === parentId).map(i => i.id);
        removedIds.forEach((id) => {
            items = this.removeAllChildren(items, id);
        });
        return items.filter(i => !removedIds.includes(i.id));
    }
}
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