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|
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
},
},
},
}
|
