chore(docs): Add a warning if the WASM binary hasn't been built yet

Author: Dobefu

docs/layouts/playground/playground.html

@@ -28,6 +28,10 @@ <h1>{{- .Title -}}</h1>
   {{- $wasm_path := resources.Get "/playground/DLiteScript-playground-wasm" -}}
   {{- $worker_path := resources.Match "playground/js/worker/*.js" | resources.Concat "js/playground-worker.js" | js.Build $worker_opts | fingerprint -}}
 
+  {{- if not $wasm_path -}}
+    {{- errorf "WASM file not found: /playground/DLiteScript-playground-wasm. Please build it first by running `./scripts/build-wasm.sh`." -}}
+  {{- end -}}
+
   <script>
     globalThis.playgroundWasmPath = "{{- $wasm_path.RelPermalink -}}"
     globalThis.playgroundWorkerPath = "{{- $worker_path.RelPermalink -}}"

docs/scripts/build-wasm.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -e
+cd "$(dirname "$0")/.."
+
+cd assets/playground
+GOOS=js GOARCH=wasm go build
+
+# Hugo takes care of this if the file doesn't exist,
+# but we want to update the file in case it changes.
+cp DLiteScript-playground-wasm ../../public/playground/DLiteScript-playground-wasm
+
+echo "WASM binary built successfully"

scripts/bench.sh

@@ -1,10 +1,6 @@
 #!/usr/bin/env bash
 
-# Exit on error.
 set -e
-
-# Navigate to the root of the project.
 cd "$(dirname "$0")/.."
 
-# Run the tests.
 go test -bench=. ./... -benchmem -run notest

scripts/compile-binaries.sh

@@ -1,15 +1,10 @@
 #!/usr/bin/env bash
 
-# Exit on error.
 set -e
-
-# Navigate to the root of the project.
 cd "$(dirname "$0")/.."
 
-# Create the output directory if it doesn't already exist.
 mkdir -p output
 
-# Set the target platforms.
 PLATFORMS=(
     "darwin-x64:darwin:amd64"
     "darwin-arm64:darwin:arm64"