From ec5db11f7eef215d0337401b91c71e1946a30664 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Mon, 11 Apr 2022 11:29:42 +0100
Subject: [PATCH] fix: normalize `#build` windows path for dev and prerender
 presets (#70)

---
 src/presets/nitro-dev.ts       | 12 +++++++++++-
 src/presets/nitro-prerender.ts | 12 +++++++++++-
 src/rollup/config.ts           |  7 +------
 3 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/src/presets/nitro-dev.ts b/src/presets/nitro-dev.ts
index ebf2ceed40..1e9ed9f343 100644
--- a/src/presets/nitro-dev.ts
+++ b/src/presets/nitro-dev.ts
@@ -1,3 +1,5 @@
+import { pathToFileURL } from 'url'
+import { isWindows } from 'std-env'
 import { defineNitroPreset } from '../preset'
 
 export const nitroDev = defineNitroPreset({
@@ -8,5 +10,13 @@ export const nitroDev = defineNitroPreset({
   },
   externals: { trace: false },
   inlineDynamicImports: true, // externals plugin limitation
-  sourceMap: true
+  sourceMap: true,
+  hooks: {
+    'nitro:rollup:before' (nitro) {
+      if (isWindows) {
+        // Windows dynamic imports should be file:// url
+        nitro.options.alias['#build'] = pathToFileURL(nitro.options.buildDir).href
+      }
+    }
+  }
 })
diff --git a/src/presets/nitro-prerender.ts b/src/presets/nitro-prerender.ts
index baabf0016d..695e9af52b 100644
--- a/src/presets/nitro-prerender.ts
+++ b/src/presets/nitro-prerender.ts
@@ -1,3 +1,5 @@
+import { pathToFileURL } from 'url'
+import { isWindows } from 'std-env'
 import { defineNitroPreset } from '../preset'
 
 export const nitroPrerender = defineNitroPreset({
@@ -6,5 +8,13 @@ export const nitroPrerender = defineNitroPreset({
   output: {
     serverDir: '{{ buildDir }}/prerender'
   },
-  externals: { trace: false }
+  externals: { trace: false },
+  hooks: {
+    'nitro:rollup:before' (nitro) {
+      if (isWindows) {
+        // Windows dynamic imports should be file:// url
+        nitro.options.alias['#build'] = pathToFileURL(nitro.options.buildDir).href
+      }
+    }
+  }
 })
diff --git a/src/rollup/config.ts b/src/rollup/config.ts
index 5d5401512f..6bdcc23fbc 100644
--- a/src/rollup/config.ts
+++ b/src/rollup/config.ts
@@ -1,4 +1,3 @@
-import { pathToFileURL } from 'url'
 import { dirname, join, relative, resolve } from 'pathe'
 import type { InputOptions, OutputOptions } from 'rollup'
 import defu from 'defu'
@@ -12,7 +11,6 @@ import replace from '@rollup/plugin-replace'
 import virtual from '@rollup/plugin-virtual'
 import wasmPlugin from '@rollup/plugin-wasm'
 import inject from '@rollup/plugin-inject'
-import { isWindows } from 'std-env'
 import { visualizer } from 'rollup-plugin-visualizer'
 import * as unenv from 'unenv'
 import type { Preset } from 'unenv'
@@ -226,10 +224,7 @@ export const plugins = [
   rollupConfig.plugins.push(alias({
     entries: resolveAliases({
       '#nitro': runtimeDir,
-      // Windows dynamic imports should be file:// url
-      '#build': nitro.options.dev && isWindows
-        ? pathToFileURL(nitro.options.buildDir).href
-        : nitro.options.buildDir,
+      '#build': nitro.options.buildDir,
       '~': nitro.options.srcDir,
       '@/': nitro.options.srcDir,
       '~~': nitro.options.rootDir,