convert typescript to javascript with esbuild

esbuildrunner.go

// date:   	16.11.2023
// file:	convert typescript to javascript with esbuild
package main

import (
	"fmt"
	"os"

	"github.com/evanw/esbuild/pkg/api"
)

// build once
func main_build() {
	result := api.Build(api.BuildOptions{
		//Outfile:		   my.js
		EntryPoints:       []string{"my.ts"},
		Outdir:            "dist",
		Bundle:            true,
		Write:             true,
		MinifyWhitespace:  true,
		MinifyIdentifiers: true,
		MinifySyntax:      true,
		Sourcemap:         api.SourceMapLinked,
	})
	if len(result.Errors) != 0 {
		print(result.Errors)
		os.Exit(1)
	}
}

// watch
func main() {
	ctx, err := api.Context(api.BuildOptions{
		//Outfile:		   my.js
		EntryPoints:       []string{"my.ts"},
		Outdir:            "dist",
		Bundle:            true,
		Write:             true,
		MinifyWhitespace:  true,
		MinifyIdentifiers: true,
		MinifySyntax:      true,
		Sourcemap:         api.SourceMapLinked,
	})
	if err != nil {
		os.Exit(1)
	}
	err2 := ctx.Watch(api.WatchOptions{})
	if err2 != nil {
		os.Exit(1)
	}
	fmt.Printf("watching...\n")
	<-make(chan struct{})
}

/* go.mod
module esbuildrunner
go 1.21.4
require github.com/evanw/esbuild v0.19.5
require golang.org/x/sys v0.14.0 // indirect
*/