lint-changed/src/runScript.js

Lint files changed in git

'use strict'

const findBin = require('./findBin')
const execa = require('execa')

module.exports = function runScript(commands, pathsToLint, packageJson, options) {
    const lintersArray = Array.isArray(commands) ? commands : [commands]
    return lintersArray.map(linter => ({
        title: linter,
        task: () => {
            try {
                const res = findBin(linter, pathsToLint, packageJson, options)
                const execaOptions =
                    res.bin !== 'npm' && options && options.gitDir ? { cwd: options.gitDir } : {}
                return new Promise((resolve, reject) => {
                    execa(res.bin, res.args, execaOptions)
                        .then(() => {
                            resolve(`✅ ${ linter } passed!`)
                        })
                        .catch((err) => {
                            reject(new Error(`🚫 ${ linter } found some errors. Please fix them and try committing again.
${ err.stderr }
${ err.stdout }`))
                        })
                })
            } catch (err) {
                throw err
            }
        }
    }))
}