justinribeiro / Blog Pwa
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blog-pwa
What started as an experiment in mixing Hugo, Polymer, and the PRPL pattern to build a progressive web app blog that turned into my actual blog.
Features
- It's a progressive web app with all the fixin's (service worker, PRPL pattern, H2, et cetera)
- The base PWA component and it's bundle weight just 17.1KB gzip'ed.
- Renders if there is no JavaScript via
<noscript>
injected fallback to static generation - Renders metadata to linkbots when sharing without the need for client JavaScript via server side detection and alternative render path
The basics
- lit-element app shell and web components
- Hugo to manage posts and metadata
- workbox for generating precache and runtime caching service worker
- rollup for component bundles and splitting for our PRPL loading
- h2-push via http2push-gae for Google App Engine for serving
- Polyfills only load on need; no extra bytes shipped (including for dynamic imports).
The not-so-basics
I wrote a couple zsh
utility scripts to power most of the shuffle and build of the site. Why not an npm
script or a gulp
or grunt
task you ask? Frankly, because I just felt like writing some shell scripts. Don't you want to sometimes just write some shell scripts? Is that just me?
The gist of the tools employed and their uses include.
-
sed
is amazing and helps wrangle some of the JSON output from Hugo (years of old posts + multiple times moved = fun!) -
zmv
is the thing you've probably never heard of about but might want to try. Renames files fast to proper type (Hugo won't output pure JSON at moment) -
jq
is blazing fast over lots of files; validates my json output so I know things will load in the PWA and Python -
polymer-cli
handles the dev serving -
workbox-cli
handles the service worker generation -
rollup-cli
handles the es modules and bundles splitting for prod builds -
http2-push-manifest
is super useful and works out of the box with http2push-gae -
make
has a basic set of commands that alias the zsh script for easy use - Okay, so there is
app/package.json
with prettier linting and some build commands in the yarn for rollup and what not. It's mix and match. :-)
Setup
➜ git clone [email protected]:justinribeiro/blog-pwa.git
➜ cd blog-pwa
➜ chmod +x utilities/builder.zsh
# check for tooling
➜ make setup
# run dev env
➜ make dev
# run GAE deploy silently
➜ make deploy-no-promote
By the web perf numbers
A progressive web app is only as good as the web performance it offers. I mean, who wants to sit around waiting 10 seconds for a blog post to initially load? No one.
Pulling up a trusty Moto G4 on 3G over on WebPageTest, we can see just how fast we are:
Just want the traces and the raw numbers? Check out the results on WebPageTest.