Remove dead code

Author: adamwathan

TODO.md

@@ -94,6 +94,11 @@
 - [x] Unify base styles into the same "rules" abstraction
 - [x] Design user-facing API for authoring on-demand plugins
 
+### Mar 8
+
+- [x] Put plugins in deliberate order
+- [x] Fix bug with `@apply` populating a cache that caused stale CSS
+
 #### Next
 
 - [ ] Support `modifySelectors` in variant API
@@ -105,7 +110,6 @@
 - [ ] Only use `transformThemeValue` where necessary
 - [ ] Support "dynamic" variants (like group-2, etc.)
 - [ ] Refactor plugins to an abstraction that handles negative values, transformThemeValue, etc.
-- [ ] Put plugins in deliberate order
 - [ ] Include vendor prefixes for modern browsers by default so autoprefixer is only needed in production?
 - [ ] Cache Preflight styles? They only change when the config changes (default font family, border color, etc.)
 - [ ] Cache entire PostCSS tree and re-use if no candidate cache misses

src/corePlugins/animation.js

@@ -1,7 +1,6 @@
 const nameClass = require('tailwindcss/lib/util/nameClass').default
 const transformThemeValue = require('tailwindcss/lib/util/transformThemeValue').default
 const parseAnimationValue = require('tailwindcss/lib/util/parseAnimationValue').default
-const { newFormat } = require('../pluginUtils')
 
 module.exports = function ({ matchUtilities, jit: { theme } }) {
   let keyframes = Object.fromEntries(

src/pluginUtils.js

@@ -43,10 +43,6 @@ function updateLastClasses(selectors, updateClass) {
   return result
 }
 
-function ruleIsEmpty([selector, rules]) {
-  return Array.isArray(rules) && rules.length === 0
-}
-
 function transformAllSelectors(transformSelector, wrap = null) {
   return ({ container }) => {
     container.walkRules((rule) => {
@@ -120,11 +116,6 @@ function asUnit(modifier, units, lookup = {}) {
   })
 }
 
-function newFormat(plugin) {
-  plugin.format = 'new'
-  return plugin
-}
-
 module.exports = {
   updateAllClasses,
   updateLastClasses,
@@ -193,8 +184,4 @@ module.exports = {
       lookup
     )
   },
-  newFormat(plugin) {
-    plugin.format = 'new'
-    return plugin
-  },
 }