feat: init jsmod registry (by AI)

.gitignore

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+.geminiignore
+.gemini
+.ai/
+env.json
+env.yml
+env.yaml
+.log.meta.json

go.mod

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+module apigo.cc/go/jsmod
+
+go 1.25.0

jsmod.go

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+package jsmod
+
+import "sync"
+
+var (
+	modules = make(map[string]map[string]any)
+	mu      sync.RWMutex
+)
+
+// Register registers a Go module with its exported functions and properties.
+// These modules will be accessible within the JS environment.
+func Register(name string, exports map[string]any) {
+	mu.Lock()
+	defer mu.Unlock()
+
+	if modules[name] == nil {
+		modules[name] = make(map[string]any, len(exports))
+	}
+
+	for k, v := range exports {
+		modules[name][k] = v
+	}
+}
+
+// GetModules returns all registered modules for the JS engine to inject.
+func GetModules() map[string]map[string]any {
+	mu.RLock()
+	defer mu.RUnlock()
+
+	res := make(map[string]map[string]any, len(modules))
+	for name, exports := range modules {
+		res[name] = exports
+	}
+	return res
+}

jsmod_test.go

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+package jsmod_test
+
+import (
+	"apigo.cc/go/jsmod"
+	"testing"
+)
+
+func TestRegister(t *testing.T) {
+	jsmod.Register("test", map[string]any{"foo": "bar"})
+	mods := jsmod.GetModules()
+	if mods["test"]["foo"] != "bar" {
+		t.Error("Register failed")
+	}
+}