func mime.TypeByExtension

4 uses

	mime (current package)
		type.go#L108: func TypeByExtension(ext string) string {

	github.com/evanw/esbuild/internal/bundler
		bundler.go#L509: 	mimeType := mime.TypeByExtension(extension)

	github.com/evanw/esbuild/pkg/api
		serve_other.go#L236: 			if contentType := mime.TypeByExtension(path.Ext(queryPath)); contentType != "" {

	net/http
		fs.go#L235: 		ctype = mime.TypeByExtension(filepath.Ext(name))

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