burdy/src/shared/features/utility.js

Open Source Headless Platform

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.flatToHierarchy = exports.flatToObj = void 0;
const flatToObj = (flat = []) => {
    const all = {};
    [...flat]
        .filter((item) => !!item)
        .forEach((item) => {
        all[item.id] = Object.assign({}, item);
    });
    return all;
};
exports.flatToObj = flatToObj;
const flatToHierarchy = (flat) => {
    const roots = []; // things without parent
    const all = (0, exports.flatToObj)(flat);
    Object.keys(all).forEach((id) => {
        const item = all[id];
        if (item.parentId === null || item.parentId === undefined) {
            roots.push(item);
        }
        else if (all[item.parentId]) {
            const p = all[item.parentId];
            if (!(p === null || p === void 0 ? void 0 : p.children)) {
                p.children = [];
            }
            p.children.push(item);
        }
    });
    return roots;
};
exports.flatToHierarchy = flatToHierarchy;