remove prefix as a function related code

src/lib/generateRules.js

@@ -253,7 +253,8 @@ function* resolveMatchedPlugins(classCandidate, context) {
  let candidatePrefix = classCandidate
  let negative = false
 
- const twConfigPrefix = context.tailwindConfig.prefix || ''
+ const twConfigPrefix = context.tailwindConfig.prefix
+
  const twConfigPrefixLen = twConfigPrefix.length
  if (candidatePrefix[twConfigPrefixLen] === '-') {
  negative = true

src/lib/setupContextUtils.js

@@ -206,10 +206,6 @@ function buildPluginApi(tailwindConfig, context, { variantList, variantMap, offs
  return identifier
  }
 
- if (typeof context.tailwindConfig.prefix === 'function') {
- return prefixSelector(context.tailwindConfig.prefix, `.${identifier}`).substr(1)
- }
-
  return context.tailwindConfig.prefix + identifier
  }
 

src/util/prefixSelector.js

@@ -2,13 +2,10 @@ import parser from 'postcss-selector-parser'
 import { tap } from './tap'
 
 export default function (prefix, selector) {
- const getPrefix =
- typeof prefix === 'function' ? prefix : () => (prefix === undefined ? '' : prefix)
-
  return parser((selectors) => {
  selectors.walkClasses((classSelector) => {
  tap(classSelector.value, (baseClass) => {
- classSelector.value = `${getPrefix('.' + baseClass)}${baseClass}`
+ classSelector.value = `${prefix}${baseClass}`
  })
  })
  }).processSync(selector)