import type { Plugin } from "esbuild"; export const nextJsEsmReplacePlugin: Plugin = { name: "nextJsEsmReplace", setup: (build) => { if (build.initialOptions.format === "esm") { build.onEnd(async (args) => { const nextJsImportRegexp = /from\s?"next\/(\w*?)"/g; const nextJsEsmImport = 'from "next/$1.js"'; const jsOutputFiles = args.outputFiles?.filter( (el) => el.path.endsWith(".mjs") || el.path.endsWith(".js"), ) ?? []; for (const jsOutputFile of jsOutputFiles) { const str = new TextDecoder("utf-8").decode(jsOutputFile.contents); const newStr = str.replace(nextJsImportRegexp, nextJsEsmImport); jsOutputFile.contents = new TextEncoder().encode(newStr); } }); } }, };