A polyfill to enable IndexedDB using WebSql.
IndexedDB is not supported on all browsers. This IndexedDB polyfill exposes the IndexedDB API in unsupported browsers using WebSQL. This shim is basically an IndexedDB-WebSql adapter.
Using this polyfill, you can use a single offline storage API across browsers (Opera, Safari, Firefox, Chrome and IE10) and even mobile devices (Phonegap on iOS and Android).
Using the polyfill
To use the polyfill, simply download the concatenated, minified product from the
dist directory and include it in your HTML document.
If IndexedDB is not natively supported (and WebSQL is), the polyfill kicks in and makes a
window.indexedDB object available for you to use.
If you want to force the use of this polyfill (on Chrome where both IndexedDB and WebSql are supported), simply use
- Ensure that you have node and grunt.
npm install grunt-jsmin-sourcemap grunt-contrib-concat grunt-contrib-uglify grunt-contrib-connect grunt-contrib-qunit grunt-saucelabs grunt-contrib-jshint grunt-contrib-watch.
grunt.cmdon windows) on your command line
- The output files will be generated in the
To check if the IndexedDB polyfill works, open test/index.html (hosted from a local server) and check if all the tests complete.
The IndexedDB polyfill has sourcemaps enabled, so the polyfill can be debugged even if the minified file is included.
To print out debug status, use
Pull requests or Bug reports welcome !!