1 files changed, 101 insertions, 0 deletions
diff --git a/cmd/frontend/frontend.go b/cmd/frontend/frontend.go
new file mode 100644
index 0000000..fc7dbc8
--- /dev/null
+++ b/cmd/frontend/frontend.go
@@ -0,0 +1,101 @@
+package frontend
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strings"
+
+	"github.com/evanw/esbuild/pkg/api"
+	"github.com/urfave/cli/v3"
+)
+
+var Command = &cli.Command{
+	Name: "frontend",
+	Commands: []*cli.Command{
+		{
+			Name: "build",
+			Action: func(ctx context.Context, c *cli.Command) error {
+				result := api.Build(api.BuildOptions{
+					EntryPoints:       []string{"./frontend/index.jsx"},
+					Outdir:            "static/assets",
+					Bundle:            true,
+					Write:             true,
+					LogLevel:          api.LogLevelInfo,
+					ChunkNames:        "chunks/[name]-[hash]",
+					MinifyWhitespace:  true,
+					MinifyIdentifiers: true,
+					MinifySyntax:      true,
+					Splitting:         false,
+					Sourcemap:         api.SourceMapInline,
+					Format:            api.FormatDefault,
+					Color:             api.ColorAlways,
+					Define: map[string]string{
+						"process.env.NODE_ENV": `"dev"`,
+					},
+					AssetNames: "assets/[name]-[hash]",
+					Loader: map[string]api.Loader{
+						".png": api.LoaderFile,
+						".css": api.LoaderCSS,
+					},
+				})
+				if len(result.Errors) > 0 {
+					errs := make([]string, 0, len(result.Errors))
+					for _, e := range result.Errors {
+						errs = append(errs, fmt.Sprintf("%s: %s", e.PluginName, e.Text))
+					}
+
+					return errors.New(strings.Join(errs, ", "))
+				}
+
+				return nil
+			},
+		},
+		{
+			Name: "watch",
+			Action: func(ctx context.Context, c *cli.Command) error {
+				bctx, result := api.Context(api.BuildOptions{
+					EntryPoints:       []string{"./frontend/index.jsx"},
+					Outdir:            "static/assets",
+					Bundle:            true,
+					Write:             true,
+					LogLevel:          api.LogLevelInfo,
+					ChunkNames:        "chunks/[name]-[hash]",
+					MinifyWhitespace:  false,
+					MinifyIdentifiers: false,
+					MinifySyntax:      false,
+					Splitting:         false,
+					Sourcemap:         api.SourceMapInline,
+					Format:            api.FormatESModule,
+					Color:             api.ColorAlways,
+					Define: map[string]string{
+						"process.env.NODE_ENV": `"dev"`,
+					},
+					AssetNames: "assets/[name]-[hash]",
+					Loader: map[string]api.Loader{
+						".png": api.LoaderFile,
+						".css": api.LoaderCSS,
+					},
+				})
+				if result != nil && len(result.Errors) > 0 {
+					errs := make([]string, 0, len(result.Errors))
+					for _, e := range result.Errors {
+						errs = append(errs, fmt.Sprintf("%s: %s", e.PluginName, e.Text))
+					}
+
+					return errors.New(strings.Join(errs, ", "))
+				}
+
+				if err := bctx.Watch(api.WatchOptions{}); err != nil {
+					return err
+				}
+
+				fmt.Printf("watching...\n")
+
+				<-make(chan struct{})
+
+				return nil
+			},
+		},
+	},
+}