merge new into master

node_modules/tailwind-merge/src/lib/create-tailwind-merge.ts

@@ -0,0 +1,50 @@
+import { createConfigUtils } from './config-utils'
+import { mergeClassList } from './merge-classlist'
+import { ClassNameValue, twJoin } from './tw-join'
+import { AnyConfig } from './types'
+
+type CreateConfigFirst = () => AnyConfig
+type CreateConfigSubsequent = (config: AnyConfig) => AnyConfig
+type TailwindMerge = (...classLists: ClassNameValue[]) => string
+type ConfigUtils = ReturnType<typeof createConfigUtils>
+
+export const createTailwindMerge = (
+    createConfigFirst: CreateConfigFirst,
+    ...createConfigRest: CreateConfigSubsequent[]
+): TailwindMerge => {
+    let configUtils: ConfigUtils
+    let cacheGet: ConfigUtils['cache']['get']
+    let cacheSet: ConfigUtils['cache']['set']
+    let functionToCall: (classList: string) => string
+
+    const initTailwindMerge = (classList: string) => {
+        const config = createConfigRest.reduce(
+            (previousConfig, createConfigCurrent) => createConfigCurrent(previousConfig),
+            createConfigFirst() as AnyConfig,
+        )
+
+        configUtils = createConfigUtils(config)
+        cacheGet = configUtils.cache.get
+        cacheSet = configUtils.cache.set
+        functionToCall = tailwindMerge
+
+        return tailwindMerge(classList)
+    }
+
+    const tailwindMerge = (classList: string) => {
+        const cachedResult = cacheGet(classList)
+
+        if (cachedResult) {
+            return cachedResult
+        }
+
+        const result = mergeClassList(classList, configUtils)
+        cacheSet(classList, result)
+
+        return result
+    }
+
+    functionToCall = initTailwindMerge
+
+    return (...args: ClassNameValue[]) => functionToCall(twJoin(...args))
+}