NativeScript module for storing data offline in a file within an app's file-system

nativescript-offline.js

var fsModule = require("file-system");
var offline = {
    _fileName: "offline-data.json",
    write: function(data) {
        var file = fsModule.knownFolders.documents().getFile(offline._fileName);
        return file.writeText(JSON.stringify(data));
    },
    remove: function() {
        var file = fsModule.knownFolders.documents().getFile(offline._fileName);
        return file.remove();
    },
    read: function() {
        var file = fsModule.knownFolders.documents().getFile(offline._fileName);
        return file.readText();
    }    
};
module.exports = offline;