Lunr.js implementation in default template creates gh-pages build timeout with larger blogs

[lrdj]

Great to have a turnkey Lunr.js implementation in the template. I'm a big fan of Lunr and this is so easy to get started with so once again, thanks for your great work:-)

I have 2000 posts on my blog and this caused a build timeout on gh-pages. Once source of timeout was building the Lunr index file into every post.

I changed your template so that the index is built just once and then called via <script> in each post. I also truncated the text that gets indexed to reduce the size of the index file. If I was more clever I'd break it into a 'search' experience and an 'advance search' experience where the advanced search would do a lazy loading of a larger index file. Maybe for another time...

I've broken the process into separate files using includes:
_includes/search-lunr.html

and also building the index as a page:
_pages/build-lunr-index.html

It still works:

If any of this is useful let me know and I'll try and package it up a bit more sensibly and do a pull request.

Template hacks are in my repo:
https://github.com/lrdj/donkey