Serialize console.log() arguments into a string

serialize-console-log.js

function serializeConsoleLog(...args) {
  let result = []

  // Format if first argument is a string
  if (typeof args[0] === 'string') {
    let formattedMessage = args.shift().replace(/%[csdifoO]/g, (match) => {
      // Keep raw token if no substitution args left
      if (args.length === 0) return match

      switch (match) {
        // Formatting (omitted)
        case '%c':
          args.shift()
          return ''

        // String
        case '%s':
          return String(args.shift())

        // Integer
        case '%d':
        case '%i':
          return parseInt(args.shift())

        // Float
        case '%f':
          return parseFloat(args.shift())

        // Object
        case '%o':
        case '%O':
          return JSON.stringify(args.shift())
      }

      // Keep raw token if not replaced
      return match
    })

    if (formattedMessage.length > 0) {
      result.push(formattedMessage)
    }
  }

  // Serialize remaining arguments
  let formattedArgs = args.map((arg) =>
    typeof arg === 'string' ? arg : JSON.stringify(arg)
  )
  result.push(...formattedArgs)

  return result.join(' ')
}