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+## ohif:polyfill
+
+This package provides polyfills for older browsers which make them compatible with the application.
+
+#### Creating assets
+
+Every polyfill shall be added as an asset JS file in the Meteor package definition file (**package.js**) and its file shall be placed inside the **public/js** directory. Adding these files as assets will prevent them from being loaded on all browsers without need.
+These files are exposed to the client and can be accessed through the application's **/packages/ohif_polyfill/public/js/** URI.
+
+#### Enabling polyfills
+
+In order to enable a polyfill for a specific browser, a JS file shall be created inside the package's **client** directory with the browser name.
+We must check the current browser to include the polyfills, and to enable a polyfill we need something like this:
+````js
+import { absoluteUrl } from './lib/absoluteUrl';
+
+if (navigator && /BrowserID/.test(navigator.userAgent)) {
+    const src = absoluteUrl('/packages/ohif_polyfill/public/js/mypolyfill.min.js');
+    document.write(`<script src="${src}"><\/script>`);
+}
+````