@sebgroup/frontend-tools/downloadFile/downloadFile.js

A set of frontend tools

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

exports.FileType = void 0;
(function (FileType) {
    FileType["JSON"] = "json";
    FileType["PDF"] = "pdf";
    FileType["SpreadSheet"] = "xlsx";
    FileType["XML"] = "xml";
})(exports.FileType || (exports.FileType = {}));
function downloadFile(content, fileName, type) {
    const blob = toBlob(content, type);
    save(blob, fileName);
}
function toBlob(content, type) {
    const byteArray = typeof content === "string" ? toByteArray(content) : [content];
    return new Blob(byteArray, { type: toContentType(type) });
}
function toByteArray(base64Data, sliceSize = 512) {
    const byteCharacters = window.atob(base64Data);
    const byteArrays = [];
    for (let offset = 0; offset < byteCharacters.length; offset += sliceSize) {
        const slice = byteCharacters.slice(offset, offset + sliceSize);
        const byteNumbers = new Array(slice.length);
        for (let i = 0; i < slice.length; i++) {
            byteNumbers[i] = slice.charCodeAt(i);
        }
        byteArrays.push(new Uint8Array(byteNumbers));
    }
    return byteArrays;
}
function toContentType(type) {
    switch (type) {
        case exports.FileType.PDF:
            return "application/pdf";
        case exports.FileType.SpreadSheet:
            return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
        case exports.FileType.JSON:
            return "application/json";
        case exports.FileType.XML:
            return "text/xml";
        default:
            return "text/plain";
    }
}
function save(blob, fileName) {
    const url = window.URL.createObjectURL(blob);
    const downloadableLink = document.createElement("a");
    downloadableLink.download = fileName;
    downloadableLink.href = url;
    downloadableLink.style.display = "none";
    document.body.appendChild(downloadableLink);
    downloadableLink.click();
    downloadableLink.remove();
    window.URL.revokeObjectURL(url);
}

exports.downloadFile = downloadFile;
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