check deps ("success" exit code)

check-deps.js

const npmCheck = require('npm-check')
const chalk = require('chalk')
const stripAnsi = require('strip-ansi')
const _flatten = require('lodash.flatten')
const _compact = require('lodash.compact')
const table = require('text-table')
const emoji = require('node-emoji')

function uppercaseFirstLetter(str) {
    return str[0].toUpperCase() + str.substr(1)
}

function render(pkg, currentState) {
    const packageName = pkg.moduleName
    const rows = []

    const indent = '           ' + emoji.emojify('   ')
    const flags = currentState.get('global')
        ? '--global'
        : `--save${pkg.devDependency ? '-dev' : ''}`
    const upgradeCommand = `npm install ${flags} ${packageName}@${pkg.latest}`
    const upgradeMessage = `${chalk.green(upgradeCommand)} to go from ${pkg.installed} to ${
        pkg.latest
    }`
    // DYLAN: clean this up
    const status = _compact(
        _flatten([
            pkg.notInstalled
                ? chalk.bgRed.white.bold(emoji.emojify(' :worried: ') + ' MISSING! ') +
                  ' Not installed.'
                : '',
            pkg.notInPackageJson
                ? chalk.bgRed.white.bold(emoji.emojify(' :worried: ') + ' PKG ERR! ') +
                  ' Not in the package.json. ' +
                  pkg.notInPackageJson
                : '',
            pkg.pkgError && !pkg.notInstalled
                ? chalk.bgGreen.white.bold(emoji.emojify(' :worried: ') + ' PKG ERR! ') +
                  ' ' +
                  chalk.red(pkg.pkgError.message)
                : '',
            pkg.bump && pkg.easyUpgrade
                ? [
                      chalk.bgGreen.white.bold(emoji.emojify(' :heart_eyes: ') + ' UPDATE!  ') +
                          ' Your local install is out of date. ' +
                          chalk.blue.underline(pkg.homepage || ''),
                      indent + upgradeMessage,
                  ]
                : '',
            pkg.bump && !pkg.easyUpgrade
                ? [
                      chalk.white.bold.bgGreen(
                          pkg.bump === 'nonSemver'
                              ? emoji.emojify(' :sunglasses: ') + ' new ver! '.toUpperCase()
                              : emoji.emojify(' :sunglasses: ') +
                                    ' ' +
                                    pkg.bump.toUpperCase() +
                                    ' UP '
                      ) +
                          ' ' +
                          uppercaseFirstLetter(pkg.bump) +
                          ' update available. ' +
                          chalk.blue.underline(pkg.homepage || ''),
                      indent + upgradeMessage,
                  ]
                : '',
            pkg.unused
                ? [
                      chalk.black.bold.bgWhite(emoji.emojify(' :confused: ') + ' NOTUSED? ') +
                          ` ${chalk.yellow(`Still using ${packageName}?`)}`,
                      indent +
                          `Depcheck did not find code similar to ${chalk.green(
                              `require('${packageName}')`
                          )} or ${chalk.green(`import from '${packageName}'`)}.`,
                      indent +
                          `Check your code before removing as depcheck isn't able to foresee all ways dependencies can be used.`,
                      indent + `Use ${chalk.green('--skip-unused')} to skip this check.`,
                      indent +
                          `To remove this package: ${chalk.green(
                              `npm uninstall --save${
                                  pkg.devDependency ? '-dev' : ''
                              } ${packageName}`
                          )}`,
                  ]
                : '',
            pkg.mismatch && !pkg.bump
                ? chalk.bgRed.yellow.bold(emoji.emojify(' :interrobang: ') + ' MISMATCH ') +
                  ' Installed version does not match package.json. ' +
                  pkg.installed +
                  ' ≠ ' +
                  pkg.packageJson
                : '',
            pkg.regError
                ? chalk.bgRed.white.bold(emoji.emojify(' :no_entry: ') + ' NPM ERR! ') +
                  ' ' +
                  chalk.red(pkg.regError)
                : '',
        ])
    )

    if (!status.length) {
        return false
    }

    rows.push([chalk.yellow(packageName), status.shift()])

    while (status.length) {
        rows.push([' ', status.shift()])
    }

    rows.push([' '])

    return rows
}

function outputConsole(currentState) {
    const packages = currentState.get('packages')

    const rows = packages
        .reduce((acc, pkg) => {
            return acc.concat(render(pkg, currentState))
        }, [])
        .filter(Boolean)

    if (rows.length) {
        const renderedTable = table(rows, {
            stringLength: s => stripAnsi(s).length,
        })

        console.log('')
        console.log(renderedTable)
        console.log(
            `Use ${chalk.green(
                `npm-check -${currentState.get('global') ? 'g' : ''}u`
            )} for interactive update.`
        )
        process.exitCode = 1
    } else {
        console.log(
            `${emoji.emojify(':heart:  ')}Your modules look ${chalk.bold(
                'amazing'
            )}. Keep up the great work.${emoji.emojify(' :heart:')}`
        )
        process.exitCode = 0
    }
}

npmCheck({
    skipUnused: true,
    ignoreDev: true,
}).then(currentState => {
    outputConsole(currentState)
    process.exit(0)
})

package.json

{
  "name": "i-will-update-my-deps-later",
  "version": "1.0.0",
  "description": "",
  "private": true,
  "license": "UNLICENSED",
  "author": "New10",
  "engines": {
    "node": "8.x.x"
  },
  "scripts": {
    "check:dependencies": "node ./check-deps.js"
  },
  "husky": {
    "hooks": {
      "pre-push": "npm run check:dependencies"
    }
  },
  "dependencies": {},
  "devDependencies": {
    "chalk": "^2.4.2",
    "husky": "^1.3.1",
    "lodash.compact": "^3.0.1",
    "lodash.flatten": "^4.4.0",
    "node-emoji": "^1.10.0",
    "npm-check": "^5.9.0",
    "pre-push": "^0.1.1",
    "strip-ansi": "^5.0.0"
  }
}

before:

after (with this script):