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Merge pull request #338 from hlanderdev/master
Bundling with esbuild
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package build | ||
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| import ( | ||
| "errors" | ||
| "fmt" | ||
| "os" | ||
| "path" | ||
| "time" | ||
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| "github.com/evanw/esbuild/pkg/api" | ||
| ) | ||
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| var bundleFlag bool | ||
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| func CheckBundleFlag(flag bool) { | ||
| bundleFlag = flag | ||
| } | ||
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| func Bundle(spaPath string) error { | ||
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| defer Benchmark(time.Now(), "Running Bundler") | ||
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| Log("\nRunning esbuild to bundle the JS output") | ||
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| if bundleFlag { | ||
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| mainJsFilePath := path.Join(spaPath, "core/main.js") | ||
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| if err := mkCustomCmsFieldsDir(spaPath); err != nil { | ||
| return err | ||
| } | ||
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| tmpDir, err := os.MkdirTemp("", "*") | ||
| if err != nil { | ||
| return fmt.Errorf("\nCould not create temporary directory for bundle output: %w\n", err) | ||
| } | ||
| defer os.RemoveAll(tmpDir) | ||
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| tmpOutputFilePath := path.Join(tmpDir, "out.js") | ||
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| result := api.Build(api.BuildOptions{ | ||
| EntryPoints: []string{mainJsFilePath}, | ||
| Bundle: true, | ||
| Outfile: tmpOutputFilePath, | ||
| Write: true, | ||
| }) | ||
| if len(result.Errors) != 0 { | ||
| errs := make([]error, 0, len(result.Errors)) | ||
| for _, msg := range result.Errors { | ||
| errs = append(errs, errors.New(msg.Text)) | ||
| } | ||
| return fmt.Errorf("\nCould not bundle js output:\n%w\n", errors.Join(errs...)) | ||
| } | ||
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| styleFilePath := path.Join(spaPath, "bundle.css") | ||
| tmpSytleFilePath := path.Join(tmpDir, "bundle.css") | ||
| if err := copyFile(styleFilePath, tmpSytleFilePath); err != nil { | ||
| return fmt.Errorf("\nCould not copy bundle.css to temp file in bundle process: %w\n", err) | ||
| } | ||
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| if err := os.RemoveAll(spaPath); err != nil { | ||
| return fmt.Errorf("\nCould clear spa directory in bundle process: %w\n", err) | ||
| } | ||
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| if err := os.MkdirAll(path.Join(spaPath, "core"), 0755); err != nil { | ||
| return fmt.Errorf("\nCould recreate spa directory in bundle process: %w\n", err) | ||
| } | ||
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| if err := copyFile(tmpSytleFilePath, styleFilePath); err != nil { | ||
| return fmt.Errorf("\nCould not copy bundle.css to temp file in bundle process: %w\n", err) | ||
| } | ||
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| if err := copyFile(tmpOutputFilePath, mainJsFilePath); err != nil { | ||
| return fmt.Errorf("\nCould not copy temp file to main.js in bundle process: %w\n", err) | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
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| // mkCustomCmsFieldsDir ensures 'layouts/_fields/' exists to avoid an esbuild error | ||
| // related to a dynamic import in core/cms/dynamic_form_input[.js|.svelte] | ||
| func mkCustomCmsFieldsDir(spaPath string) error { | ||
| path := path.Join(spaPath, "layouts/_fields/") | ||
| err := os.MkdirAll(path, os.ModePerm) | ||
| if err != nil { | ||
| return fmt.Errorf("\nCould not create custom cms field directory '%s': %w\n", path, err) | ||
| } | ||
| return nil | ||
| } | ||
|
|
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