update HMR to support kjol

go/bundler/hmr_vendor.go

@@ -13,7 +13,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
-	"path/filepath"
 	"strings"
 
 	esbuild "github.com/evanw/esbuild/pkg/api"
@@ -71,17 +70,16 @@ func (d *devServer) serveVendor(w http.ResponseWriter, r *http.Request) {
 // re-externalizing the OTHER vendored specifiers so they resolve (once) through
 // the import map. Mirrors the prod vendor resolution (NodePaths + development
 // condition) so the dev copy matches the shipped one.
-func (d *devServer) bundleVendor(relFile string) ([]byte, error) {
-	entry := filepath.Join(d.vendor, filepath.FromSlash(relFile))
+func (d *devServer) bundleVendor(absFile string) ([]byte, error) {
 	result := esbuild.Build(esbuild.BuildOptions{
-		EntryPoints: []string{entry},
+		EntryPoints: []string{absFile},
 		Bundle:      true,
 		Write:       false,
 		Format:      esbuild.FormatESModule,
 		Target:      esbuild.ES2022,
 		Platform:    esbuild.PlatformBrowser,
 		Conditions:  []string{"development"},
-		NodePaths:   []string{d.vendor},
+		NodePaths:   d.vendorDirs,
 		Sourcemap:   esbuild.SourceMapInline,
 		LogLevel:    esbuild.LogLevelSilent,
 		Plugins:     []esbuild.Plugin{d.vendorSharedExternalPlugin()},