Add explaining comment for \s in isStylelintComment regex

Author: emilgoldsmith

src/utils/general.js

@@ -68,6 +68,11 @@ const isEmptyOrSpaceOnly = text => {
 const wrapSelector = content => `.selector${(count += 1)} {${content}}\n`
 const wrapKeyframes = content => `@keyframes {${content}}\n`
 
+/**
+ * The reason we put a \s before .* in the last part of the regex is to make sure we don't
+ * match stylelint-disable-line and stylelint-disable-next-line or, for now, any future extensions
+ * as these line specific disables should not be placed outside a css TTL
+ */
 const isStylelintComment = comment => /^\s*stylelint-(?:enable|disable)(?:\s.*)?$/.test(comment)
 
 exports.wrapKeyframes = wrapKeyframes