chore: assign postcss plugins in order

Author: ineshbose

src/module.ts

@@ -137,10 +137,12 @@ export default defineNuxtModule<ModuleOptions>({
  nuxt.options.postcss || /* nuxt 3 */ /* @ts-ignore */
  nuxt.options.build.postcss.postcssOptions || /* older nuxt3 */ /* @ts-ignore */
  nuxt.options.build.postcss as any
- postcssOptions.plugins = postcssOptions.plugins || {}
- postcssOptions.plugins['tailwindcss/nesting'] = postcssOptions.plugins['tailwindcss/nesting'] ?? {}
- postcssOptions.plugins['postcss-custom-properties'] = postcssOptions.plugins['postcss-custom-properties'] ?? {}
- postcssOptions.plugins.tailwindcss = tailwindConfig
+ postcssOptions.plugins = {
+ ...(postcssOptions.plugins || {}),
+ 'tailwindcss/nesting': postcssOptions.plugins['tailwindcss/nesting'] ?? {},
+ 'postcss-custom-properties': postcssOptions.plugins['postcss-custom-properties'] ?? {},
+ tailwindcss: tailwindConfig
+ }
 
  // install postcss8 module on nuxt < 2.16
  if (parseFloat(getNuxtVersion()) < 2.16) {