excel-remastered/lib/jsonToCsv/getBody.js

Enhances readability of complex nested JSON data while converting to CSV

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function getBody(jsonObjects, headers) {
    if (!Array.isArray(jsonObjects)) {
        jsonObjects = [jsonObjects];
    }
    function dfs(obj, path) {
        var value = obj;
        path.forEach(function (attribute) {
            if (Array.isArray(value)) {
                value = value.map(function (item) { return dfs(item, attribute.split('.')); });
                value = value.flat();
                value = value.filter(function (item) { return item !== undefined; });
                if (value.some(Array.isArray)) {
                    value = value.map(function (item) {
                        if (Array.isArray(item) && item.length > 0) {
                            return JSON.stringify(item);
                        }
                        return item;
                    });
                }
            }
            else {
                value = (value && value[attribute]) || null;
            }
        });
        return value;
    }
    var csvBodyArray = jsonObjects.map(function (obj) {
        var row = headers.map(function (header) {
            return dfs(obj, header.split('.'));
        });
        return row;
    });
    // Transpose the CSV data to 1NF
    var transposedData = [];
    csvBodyArray.forEach(function (row) {
        row.forEach(function (value, index) {
            if (Array.isArray(value)) {
                value.forEach(function (element, subIndex) {
                    if (!transposedData[subIndex]) {
                        transposedData[subIndex] = [];
                    }
                    transposedData[subIndex][index] = element === null ? '' : element;
                });
            }
            else {
                if (!transposedData[0]) {
                    transposedData[0] = [];
                }
                transposedData[0][index] = value === null ? '' : value;
            }
        });
    });
    return transposedData;
}
exports.default = getBody;