use esbuild to get a node repl for a typescript file

1-import-ts-repl.sh

function import-ts-repl() { (
    set -e
    file=$1
    rm -f ${file}.js ${file}.js.map
    esbuild ${file} --target=node14 --format=cjs --sourcemap --outfile=${file}.js --platform=node --bundle
    node -r ${file}.js
    rm -f ${file}.js ${file}.js.map
); }

2-example.txt

$ cat example.ts                                                 

function f() {
    return 5
}
global.f = f
const x: number = f()
global.x = x
console.log(x)

$ import-ts-repl ./example.ts                                    

  example.ts.js      133b 
  example.ts.js.map  291b 

⚡ Done in 5ms
5
Welcome to Node.js v17.6.0.
Type ".help" for more information.
> x * x
25
> y = x + 7
12