From 56c320d00491bc0409fd16170a495afa0a201dd7 Mon Sep 17 00:00:00 2001
From: Jordan Pittman <jordan@cryptica.me>
Date: Sat, 7 May 2022 22:48:36 -0400
Subject: [PATCH] Refactor

---
 src/lib/setupContextUtils.js | 90 ++++++++++++++++++------------------
 1 file changed, 46 insertions(+), 44 deletions(-)

diff --git a/src/lib/setupContextUtils.js b/src/lib/setupContextUtils.js
index f2dc6a516b2e..b915d21a830e 100644
--- a/src/lib/setupContextUtils.js
+++ b/src/lib/setupContextUtils.js
@@ -170,6 +170,28 @@ function withIdentifiers(styles) {
   })
 }
 
+export function parseVariant(variant) {
+  variant = variant
+    .replace(/\n+/g, '')
+    .replace(/\s{1,}/g, ' ')
+    .trim()
+
+  let fns = parseVariantFormatString(variant).map((str) => {
+    if (!str.startsWith('@')) {
+      return ({ format }) => format(str)
+    }
+
+    let [, name, params] = /@(.*?) (.*)/g.exec(str)
+    return ({ wrap }) => wrap(postcss.atRule({ name, params }))
+  }).reverse()
+
+  return (api) => {
+    for (let fn of fns) {
+      fn(api)
+    }
+  }
+}
+
 function buildPluginApi(tailwindConfig, context, { variantList, variantMap, offsets, classList }) {
   function getConfigValue(path, defaultValue) {
     return path ? dlv(tailwindConfig, path, defaultValue) : tailwindConfig
@@ -201,27 +223,7 @@ function buildPluginApi(tailwindConfig, context, { variantList, variantMap, offs
           }
         }
 
-        variantFunction = variantFunction
-          .replace(/\n+/g, '')
-          .replace(/\s{1,}/g, ' ')
-          .trim()
-
-        let fns = parseVariantFormatString(variantFunction)
-          .map((str) => {
-            if (!str.startsWith('@')) {
-              return ({ format }) => format(str)
-            }
-
-            let [, name, params] = /@(.*?) (.*)/g.exec(str)
-            return ({ wrap }) => wrap(postcss.atRule({ name, params }))
-          })
-          .reverse()
-
-        return (api) => {
-          for (let fn of fns) {
-            fn(api)
-          }
-        }
+        return parseVariant(variantFunction)
       })
 
       insertInto(variantList, variantName, options)
@@ -674,29 +676,29 @@ function registerPlugins(plugins, context) {
       for (let util of classList) {
         let utils = Array.isArray(util)
           ? (() => {
-              let [utilName, options] = util
-              let values = Object.keys(options?.values ?? {})
-              let classes = values.map((value) => formatClass(utilName, value))
-
-              if (options?.supportsNegativeValues) {
-                // This is the normal negated version
-                // e.g. `-inset-1` or `-tw-inset-1`
-                classes = [...classes, ...classes.map((cls) => '-' + cls)]
-
-                // This is the negated version *after* the prefix
-                // e.g. `tw--inset-1`
-                // The prefix is already attached to util name
-                // So we add the negative after the prefix
-                classes = [
-                  ...classes,
-                  ...classes.map(
-                    (cls) => cls.slice(0, prefixLength) + '-' + cls.slice(prefixLength)
-                  ),
-                ]
-              }
-
-              return classes
-            })()
+            let [utilName, options] = util
+            let values = Object.keys(options?.values ?? {})
+            let classes = values.map((value) => formatClass(utilName, value))
+
+            if (options?.supportsNegativeValues) {
+              // This is the normal negated version
+              // e.g. `-inset-1` or `-tw-inset-1`
+              classes = [...classes, ...classes.map((cls) => '-' + cls)]
+
+              // This is the negated version *after* the prefix
+              // e.g. `tw--inset-1`
+              // The prefix is already attached to util name
+              // So we add the negative after the prefix
+              classes = [
+                ...classes,
+                ...classes.map(
+                  (cls) => cls.slice(0, prefixLength) + '-' + cls.slice(prefixLength)
+                ),
+              ]
+            }
+
+            return classes
+          })()
           : [util]
 
         for (let util of utils) {