@molteni/export-csv/dist/exportToCSV.js

Quick and simply export JSON and tables data to CSV

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ExportToCSV = /** @class */ (function () {
    function ExportToCSV() {
        this.DEFAULT_SEPARATOR = ';';
        this.separator = this.DEFAULT_SEPARATOR;
    }
    ExportToCSV.prototype.exportAllToCSV = function (JSONListItemsToPublish, fileName, options) {
        if (options === void 0) { options = {}; }
        if (options) {
            this.setOptions(options);
        }
        return this.exportColumnsToCSV(JSONListItemsToPublish, fileName, []);
    };
    ExportToCSV.prototype.exportColumnsToCSV = function (JSONListItemsToPublish, fileName, columns, options) {
        var _this = this;
        if (options === void 0) { options = {}; }
        if (options) {
            this.setOptions(options);
        }
        var items = JSONListItemsToPublish;
        // store the data in an array
        var arrayToPublish = [];
        // for each item in the list
        for (var i = 0; i < items.length; i++) {
            var keys = Object.keys(items[i]);
            var csvRow = {};
            for (var keyId = 0; keyId < keys.length; keyId++) {
                if (!columns || columns.length === 0) {
                    csvRow[keys[keyId]] = items[i][keys[keyId]];
                }
                else if (columns.indexOf(keys[keyId]) > -1) {
                    csvRow[keys[keyId]] = items[i][keys[keyId]];
                }
            }
            arrayToPublish.push(csvRow);
        }
        var replace = function (key, value) { return value === null ? '' : value; };
        var header = Object.keys(arrayToPublish[0]);
        var csv = arrayToPublish.map(function (row) { return header.map(function (fieldName) { return JSON.stringify(row[fieldName], replace); }).join(_this.separator); });
        csv.unshift(header.join(this.separator));
        var data = csv.join('\r\n');
        ExportToCSV.download(fileName, data);
    };
    ExportToCSV.downloadFile = function (filename, data, format) {
        // we add the BOF for UTF-8, Excel requires this information to show chars with accents etc.
        var blob = new Blob([new Uint8Array([0xEF, 0xBB, 0xBF]), data], { type: format });
        var elem = window.document.createElement('a');
        elem.href = window.URL.createObjectURL(blob);
        elem.download = filename;
        document.body.appendChild(elem);
        elem.click();
        document.body.removeChild(elem);
    };
    ExportToCSV.download = function (filename, data) {
        // the document has to be compatible with Excel, we export in UTF-8
        // previously we saved only using 'text/csv'
        ExportToCSV.downloadFile(filename, data, 'text/csv;charset=utf-8');
    };
    ExportToCSV.prototype.setOptions = function (options) {
        if (options.separator) {
            this.separator = options.separator;
        }
    };
    return ExportToCSV;
}());
exports.ExportToCSV = ExportToCSV;