Function exists

static/word2md/mammoth.browser.js:3842–3844

(name)

function openArrayBuffer(arrayBuffer) {
    var zipFile = new JSZip(arrayBuffer);
    function exists(name) {
        return zipFile.file(name) !== null;
    }

    function read(name, encoding) {
        var array = zipFile.file(name).asUint8Array();