Demo code for https://github.com/keyz182/cordova-plugin-mbtiles/

gistfile1.js

window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, function (fileSystem) {
    console.log('file system retrieved.');
    fs = fileSystem;
    var dir = fs.root.getDirectory('tiles', null, function (directory) {
        var absoluteCDVFileName = directory.toURL() + '/' + localFileName;
        var name = 'test.mbtiles';

        mbTilesPlugin.open({name: name, url: absoluteCDVFileName, type: type}, success, fail);
    }, fail);
},fail);