@byetool/json-exporter/lib/index.js

A library that supports exporting json to .xls, .xlsx, .csv, .html, .xml, .json, .txt files in browser

"use strict";
var __rest = (this && this.__rest) || function (s, e) {
    var t = {};
    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
        t[p] = s[p];
    if (s != null && typeof Object.getOwnPropertySymbols === "function")
        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
                t[p[i]] = s[p[i]];
        }
    return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.toText = exports.toJSON = exports.toXML = exports.toHTML = exports.toCSV = exports.toXLSX = exports.toXLS = void 0;
const xlsx_1 = require("xlsx");
const file_saver_1 = require("file-saver");
const xml_1 = require("./xml");
function normalizeHeaders(headers) {
    const aliasHeaders = [];
    const keyHeaders = [];
    if (Array.isArray(headers)) {
        for (const header of headers) {
            if (typeof header === 'string') {
                aliasHeaders.push(header);
                keyHeaders.push(header);
            }
            else {
                aliasHeaders.push(header.alias);
                keyHeaders.push(header.name);
            }
        }
    }
    return { aliasHeaders, keyHeaders };
}
function aoo2aoa(data, headers) {
    const { aliasHeaders, keyHeaders } = normalizeHeaders(headers);
    const aoa = [aliasHeaders];
    for (const item of data) {
        const row = [];
        for (const key of keyHeaders) {
            row.push(item[key]);
        }
        aoa.push(row);
    }
    return aoa;
}
function transformData(data, headers) {
    const { aliasHeaders, keyHeaders } = normalizeHeaders(headers);
    const aoo = [];
    for (const item of data) {
        const row = {};
        for (const [index, key] of keyHeaders.entries()) {
            row[aliasHeaders[index]] = item[key];
        }
        aoo.push(row);
    }
    return aoo;
}
function toJSONLine(data) {
    let text = '';
    for (const item of data) {
        text += `${JSON.stringify(item)}\n`;
    }
    return text;
}
function exportSheet(ws, filename, type) {
    const wb = xlsx_1.utils.book_new();
    xlsx_1.utils.book_append_sheet(wb, ws);
    (0, xlsx_1.writeFile)(wb, `${filename}.${type}`, {
        type: 'binary',
        bookType: type,
    });
}
function toXLS(data, filename, options = { headers: [] }) {
    const { headers } = options, xlsxOptions = __rest(options, ["headers"]);
    let ws = null;
    if (headers && headers.length > 0) {
        ws = xlsx_1.utils.aoa_to_sheet(aoo2aoa(data, headers), xlsxOptions);
    }
    else {
        ws = xlsx_1.utils.json_to_sheet(data, xlsxOptions);
    }
    exportSheet(ws, filename, 'xls');
}
exports.toXLS = toXLS;
function toXLSX(data, filename, options = { headers: [] }) {
    const { headers } = options, xlsxOptions = __rest(options, ["headers"]);
    let ws = null;
    if (headers && headers.length > 0) {
        ws = xlsx_1.utils.aoa_to_sheet(aoo2aoa(data, headers), xlsxOptions);
    }
    else {
        ws = xlsx_1.utils.json_to_sheet(data, xlsxOptions);
    }
    exportSheet(ws, filename, 'xlsx');
}
exports.toXLSX = toXLSX;
function toCSV(data, filename, options = { headers: [] }) {
    const { headers } = options, xlsxOptions = __rest(options, ["headers"]);
    let ws = null;
    if (headers && headers.length > 0) {
        ws = xlsx_1.utils.aoa_to_sheet(aoo2aoa(data, headers), xlsxOptions);
    }
    else {
        ws = xlsx_1.utils.json_to_sheet(data, xlsxOptions);
    }
    exportSheet(ws, filename, 'csv');
}
exports.toCSV = toCSV;
function toHTML(data, filename, options = { headers: [] }) {
    const { headers } = options, xlsxOptions = __rest(options, ["headers"]);
    let ws = null;
    if (headers && headers.length > 0) {
        ws = xlsx_1.utils.aoa_to_sheet(aoo2aoa(data, headers), xlsxOptions);
    }
    else {
        ws = xlsx_1.utils.json_to_sheet(data, xlsxOptions);
    }
    exportSheet(ws, filename, 'html');
}
exports.toHTML = toHTML;
function toXML(data, filename, options = { headers: [] }) {
    const { headers } = options;
    const { aliasHeaders, keyHeaders } = normalizeHeaders(headers);
    const content = xml_1.default.render(data, { aliasHeaders, keyHeaders });
    (0, file_saver_1.saveAs)(new Blob([content], { type: 'application/xml;charset=utf-8' }), `${filename}.xml`);
}
exports.toXML = toXML;
function toJSON(data, filename, options = { headers: [] }) {
    const { headers } = options;
    if (headers && headers.length > 0) {
        data = transformData(data, headers);
    }
    const prettyJson = JSON.stringify(data, null, '  ');
    (0, file_saver_1.saveAs)(new Blob([prettyJson], { type: 'application/json;charset=utf-8' }), `${filename}.json`);
}
exports.toJSON = toJSON;
function toText(data, filename, options = { headers: [] }) {
    const { headers } = options;
    if (headers && headers.length > 0) {
        data = transformData(data, headers);
    }
    const jsonLine = toJSONLine(data);
    (0, file_saver_1.saveAs)(new Blob([jsonLine], { type: 'text/plain;charset=utf-8' }), `${filename}.txt`);
}
exports.toText = toText;
const Exporter = {
    toXLS,
    toXLSX,
    toCSV,
    toHTML,
    toXML,
    toJSON,
    toText,
};
exports.default = Exporter;