基本文法

package.json

{
  "scripts": {
    "script_name": "echo Hello ${npm_config_xxx}!"
  }
}

terminal

npm run script_name --xxx=value

output

Hello value!

example

package.json

{
  "scripts": {
    "example": "echo Hello ${npm_config_name}!"
  }
}

terminal

npm run example --name=jun01t

output

Hello jun01t!

##when multiple params

--params1=value1 --params2=value2

{
  "scripts": {
    "example": "echo Hello ${npm_config_params1}${npm_config_params2}!"
  }
}

terminal

npm run example --param1=value1 --param2=value2

output

Hello value1value2!

when set params other script

package.json

{
  "scripts": {
    "example": "echo Hello ${npm_config_params1}${npm_config_params2}!",
    "run_example":"npm run example --params1=${npm_config_params1} --params2=${npm_config_params2}"
  }
}

command line

npm run run_example --params1=value1 --params2=value2

output

Hello value1value2!

appendix

{
  "scripts": {
    "parent": "echo Hello $(npm run -s child)!"
    "child":"echo World"
  }
}

terminal

npm run parent

output

Hello World!