From 6acfdcd0f7182f0b316730a8e1f5618cc2674491 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Thu, 14 Oct 2021 19:57:23 +0100
Subject: [PATCH] refactor(nitro): move wasm support behind a flag
 (`nitro.experiments.wasm`) (#1045)

---
 packages/nitro/src/context.ts       | 4 ++++
 packages/nitro/src/rollup/config.ts | 4 +++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/nitro/src/context.ts b/packages/nitro/src/context.ts
index f9e51c89e8..7367c064a7 100644
--- a/packages/nitro/src/context.ts
+++ b/packages/nitro/src/context.ts
@@ -35,6 +35,9 @@ export interface NitroContext {
   esbuild?: {
     options?: EsbuildOptions
   }
+  experiments?: {
+    wasm?: boolean
+  }
   moduleSideEffects: string[]
   renderer: string
   serveStatic: boolean
@@ -94,6 +97,7 @@ export function getNitroContext (nuxtOptions: NuxtOptions, input: NitroInput): N
     node: undefined,
     preset: undefined,
     rollupConfig: undefined,
+    experiments: {},
     moduleSideEffects: ['unenv/runtime/polyfill/'],
     renderer: undefined,
     serveStatic: undefined,
diff --git a/packages/nitro/src/rollup/config.ts b/packages/nitro/src/rollup/config.ts
index fa65fd4b2b..ea2af86765 100644
--- a/packages/nitro/src/rollup/config.ts
+++ b/packages/nitro/src/rollup/config.ts
@@ -143,7 +143,9 @@ export const getRollupConfig = (nitroContext: NitroContext) => {
   rollupConfig.plugins.push(raw())
 
   // WASM import support
-  rollupConfig.plugins.push(wasmPlugin())
+  if (nitroContext.experiments.wasm) {
+    rollupConfig.plugins.push(wasmPlugin())
+  }
 
   // https://github.com/rollup/plugins/tree/master/packages/replace
   rollupConfig.plugins.push(replace({