An icy shell command runner
npm install cool-runnings``sh`
npm install cool-runnings
`javascript
const { run } = require('cool-runnings')
const program = () => {
return {
actions: [
async () => ({
command: 'echo "Hello!"'
}),
async () => ({
command: 'echo "Hi!"'
})
]
}
}
run(program)
`
javascript
const { run } = require('cool-runnings')const program = (args, flags) => {
const message = args[0]
return {
options: {
verbose: true
},
actions: [
async () => ({
command: message &&
echo ${message} >> file.txt && echo "ok",
preRun: 'preRun: Will try to write message to file',
success: 'success: Wrote message to file',
error: 'error: Failed to write message to file',
ignored: ({ name }) => ignored: Action "${name}" was ignored,
name: 'WriteFileAction'
}),
async previous => ({
command: flags.read && 'cat file.txt',
name: 'ReadFileAction',
preRun: 'preRun: Will try to read file',
success: success: Successfully read file. Previous action stdout: ${previous.stdout},
error: 'error: Failed to read file',
warn: ({ code, stderr }) => warn: Exited with code ${code}, but stdout was not empty: ${stderr},
ignored: ({ name }) => ignored: Action "${name}" was ignored,
onPreRun: () => console.log('onPreRun: Will try to read file'),
onSuccess: () => console.log(onSuccess: Successfully read file. Previous action stdout: ${previous.stdout}),
onError: () => console.log('onError: Failed to read file'),
onWarn: ({ stderr, code }) => console.log(onWarn: Exited with code ${code}, but stdout was not empty: ${stderr}),
onIgnored: ({ name }) => console.log(onIgnored: Action "${name}" was ignored)
})
]
}
}run(program)
`Flags and args
bash
args[0] === "Hello there"
$ node myprogram.js "Hello there"flags.read === true
$ node myprogram.js --read
``quiet
Outputs only defined success messages, and stderr if exit code is not 0
verbose
Outputs everything, including debug messages
MIT