manually patch package.json fixes rustwasm/wasm-pack#1039

build_wasm.sh

@@ -0,0 +1,27 @@
+#! /bin/bash
+
+if !command -v js &> /dev/null
+then
+  echo "jq command not found"
+  exit 127
+fi
+
+if !command -v wasm-pack &> /dev/null
+then
+  echo "wasm-pack command not found"
+  exit 127
+fi
+
+if [ ! -d "./rs" ]
+then
+  echo "could not find crate \"rs\""
+  exit 2
+fi
+
+cd rs
+wasm-pack build --target web
+
+tmp=$(mktemp)
+
+cd pkg
+jq '. += { type: "module" }' package.json > "$tmp" && mv "$tmp" package.json

package.json

@@ -5,7 +5,7 @@
   "scripts": {
     "dev": "vite dev",
     "build": "vite build",
-    "build:wasm": "wasm-pack build ./rs --target web",
+    "build:wasm": "./build_wasm.sh",
     "preview": "vite preview",
     "check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
     "check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",