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I’ve recently added a tiny feature on my main website. In a section, it shows the number of words written and published on this blog. A fancy way to suggest that there is also a blog you can use to know more about me.
That number is growing on every article I publish but I don’t want to build and update my website everytime a new article come out.
To solve this issue, I’ve added a tiny ajax request towards a little json file that is updated everytime the blog gets updated. I’ve built a little Node.js script that read all my blog posts generating the correct number, dumping a little json file ready to be committed.
The problem was that I have to run the Node script by hand and sometimes (read: always) I forgot to run it after a new post.
My blog is Jekyll-driven, I’m quite happy with it but I’m not a rubyist and this is why I’ve writter that script in Node.js. I’m much more confortable with it.
After a bit of research, I found out a way to integrate the two with a Jekyll plugin that calls a Node.js script everytime I build my blog for local testing (I usually do it before publishing a new article).
The Jekyll plugin is something like:
module RunNodeBefore def self.process(site, payload) return if @processed system "node build_index.js" @processed = true end end Jekyll::Hooks.register :site, :pre_render do |site, payload| RunNodeBefore.process(site, payload) end
The relevant line is:
system "node build_index.js"
Yuo need to put that file within the folder
_plugins in your Jekyll root folder in order to call it automatically.
As I said, I’m not a rubyist, therefore, I’ve just copy/paste/adapted something I found somewhere.
The important thing is that it just work and I’m pretty sure I won’t forget to update my words.json file anymore.
Spotted a typo or (likely) a grammar error? Send a pull request.