In pursuit of increased speed

When using $routeProvider in Angular, I have noticed that every time I navigate to a specific route, I see the following logs in the console:

XHR finished loading: "http://localhost:8080/root/partials/view1.html".
XHR finished loading: "http://localhost:8080/root/partials/view2.html".
...

It seems like at this point, the pages are being cached in the browser for faster reference. Is there a way to proactively XHR all my routes in the background when Angular is first referenced? I am looking for a solution similar to this:

for ( /* iterate over every page inside routeProvider */ ) {
    // Perform XHR request for each page
}
javascripthttpangularjs

Answer №1

Your question has been addressed and there are examples provided in the official documentation.

In short, you can make use of $templateCache by injecting it into your run method (you may also include $route if needed to extract template URLs from the route table) and then add templates to the cache.

Hope this helps!

Answer №2

One of my go-to tools for this is grunt-angular-templates. It's a fantastic grunt task that combines and preloads Angular templates into the $templateCache. I typically only run it during production builds to keep development build times down.


        ...
        ngtemplates: {
            myProject: {
                options: {
                    prepend: '/',
                    concat: 'out\\app.min.js'
                },
                src: ['app/**/*.html'],
                dest: 'out/templates.js'
            }
        }
       ...

This script concatenates all HTML files from the app directory into templates.js, which is then appended to app.min.js. The end result in production is just one app.min.js file containing all JavaScript code and templates. This method has been super effective for me, and it should work well for you too as long as your JS code isn't massive.

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