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Add giant comment about why we're runnign CSS through PostCSS

pull/11712/head
Travis Ralston 2020-01-08 14:56:40 -07:00
parent e19d86e822
commit 37a83d469c
1 changed files with 14 additions and 0 deletions
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webpack.config.js
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@ -159,6 +159,20 @@ module.exports = (env, argv) => ({
// Note that we use significantly fewer plugins on the plain
// CSS parser. If we start to parse plain CSS, we end with all
// kinds of nasty problems (like stylesheets not loading).
//
// You might have noticed that we're also sending regular CSS
// through PostCSS. This looks weird, and in fact is probably
// not what you'd expect, however in order for our CSS build
// to work nicely we have to do this. Because down the line
// our SCSS stylesheets reference plain CSS we have to load
// the plain CSS through PostCSS so it can find it safely. This
// also acts like a babel-for-css by transpiling our (S)CSS
// down/up to the right browser support (prefixes, etc).
// Further, if we don't do this then PostCSS assumes that our
// plain CSS is SCSS and it really doesn't like that, even
// though plain CSS should be compatible. The chunking options
// at the top of this webpack config help group the SCSS and
// plain CSS together for the bundler.
require("postcss-simple-vars")(),
require("postcss-strip-inline-comments")(),