WIP trmnl BYOS
cdbrdr.com
1package transform
2
3import (
4 "errors"
5
6 "github.com/evanw/esbuild/pkg/api"
7)
8
9type Format int
10
11const (
12 FormatCommonJS Format = iota
13 FormatIIFE
14)
15
16func Transform(file, src string, format Format) ([]byte, []error) {
17 var fmt api.Format
18 switch format {
19 case FormatCommonJS:
20 fmt = api.FormatCommonJS
21 case FormatIIFE:
22 fmt = api.FormatIIFE
23 default:
24 return nil, []error{errors.New("unknown format")}
25 }
26
27 minify := true
28 result := api.Transform(src, api.TransformOptions{
29 Color: 0,
30 LogLevel: 0,
31 LogLimit: 0,
32 LogOverride: nil,
33 Sourcemap: api.SourceMapInline,
34 SourceRoot: "",
35 SourcesContent: 0,
36 Target: api.ESNext,
37 Engines: nil,
38 Supported: nil,
39 Platform: api.PlatformNode,
40 Format: fmt,
41 GlobalName: "__export__",
42 MangleProps: "",
43 ReserveProps: "",
44 MangleQuoted: 0,
45 MangleCache: nil,
46 Drop: 0,
47 DropLabels: nil,
48 MinifyWhitespace: minify,
49 MinifyIdentifiers: minify,
50 MinifySyntax: minify,
51 LineLimit: 0,
52 Charset: 0,
53 TreeShaking: api.TreeShakingDefault,
54 IgnoreAnnotations: false,
55 LegalComments: 0,
56 JSX: api.JSXAutomatic,
57 JSXFactory: "h",
58 JSXFragment: "b",
59 JSXImportSource: "react",
60 JSXDev: false,
61 JSXSideEffects: false,
62 TsconfigRaw: "",
63 Banner: "",
64 Footer: "__export__",
65 Define: nil,
66 Pure: nil,
67 KeepNames: false,
68 Sourcefile: file,
69 Loader: api.LoaderJSX,
70 })
71
72 if len(result.Errors) > 0 {
73 errs := []error{}
74 for _, err := range result.Errors {
75 errs = append(errs, errors.New(err.Text))
76 }
77 return nil, errs
78 }
79
80 return result.Code, nil
81}