Add Go CDN and playground server

Build Core and Handles into in-memory CDN modules, add the marketing site and tutorial docs, and provide a SQLite-backed WebGPU playground with TypeScript tooling and profiling. Amp-Thread-ID: https://ampcode.com/threads/T-01a02485-5574-707c-bff4-5668d83bee8a Co-authored-by: Heaust Azure <heaust.azure@gmail.com>
2026-08-21 16:42:02 +00:00
parent 53a53a8f3f
commit 7070799862
27 changed files with 3402 additions and 7 deletions
@@ -0,0 +1,108 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"syscall"
+	"time"
+)
+
+func main() {
+	if err := run(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func run() error {
+	root, err := repositoryRoot()
+	if err != nil {
+		return err
+	}
+
+	log.Print("building core and handles packages")
+	packages, err := buildPackages(root)
+	if err != nil {
+		return fmt.Errorf("build packages: %w", err)
+	}
+	log.Printf("loaded %d package assets into memory", len(packages))
+
+	databasePath := os.Getenv("YAWN_DATABASE")
+	if databasePath == "" {
+		databasePath = filepath.Join(root, "server", "data", "yawn.db")
+	}
+	store, err := openPlaygroundStore(databasePath)
+	if err != nil {
+		return fmt.Errorf("open playground database: %w", err)
+	}
+	defer store.Close()
+
+	app, err := newApplication(
+		store,
+		packages,
+		filepath.Join(root, "node_modules", "monaco-editor", "min"),
+	)
+	if err != nil {
+		return err
+	}
+
+	port := os.Getenv("PORT")
+	if port == "" {
+		port = "8080"
+	}
+	server := &http.Server{
+		Addr:              ":" + port,
+		Handler:           app.routes(),
+		ReadHeaderTimeout: 5 * time.Second,
+		ReadTimeout:       15 * time.Second,
+		WriteTimeout:      30 * time.Second,
+		IdleTimeout:       60 * time.Second,
+	}
+
+	stopped := make(chan os.Signal, 1)
+	signal.Notify(stopped, syscall.SIGINT, syscall.SIGTERM)
+	go func() {
+		<-stopped
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+		if err := server.Shutdown(ctx); err != nil {
+			log.Printf("shutdown: %v", err)
+		}
+	}()
+
+	log.Printf("Yawn server listening on http://0.0.0.0:%s", port)
+	err = server.ListenAndServe()
+	if errors.Is(err, http.ErrServerClosed) {
+		return nil
+	}
+	return err
+}
+
+func repositoryRoot() (string, error) {
+	directory, err := os.Getwd()
+	if err != nil {
+		return "", err
+	}
+	for {
+		if fileExists(filepath.Join(directory, "Cargo.toml")) &&
+			fileExists(filepath.Join(directory, "core", "Cargo.toml")) &&
+			fileExists(filepath.Join(directory, "addons", "handles", "package.json")) {
+			return directory, nil
+		}
+		parent := filepath.Dir(directory)
+		if parent == directory {
+			return "", errors.New("could not find the Yawn repository root")
+		}
+		directory = parent
+	}
+}
+
+func fileExists(path string) bool {
+	info, err := os.Stat(path)
+	return err == nil && !info.IsDir()
+}