vue-paginate/src/util/debug.js

A simple vue.js plugin to paginate data

let warn = function () {}
let formatComponentName

const hasConsole = typeof console !== 'undefined'

warn = (msg, vm, type = 'error') => {
  if (hasConsole) {
    console[type](`[vue-paginate]: ${msg} ` + (
      vm ? formatLocation(formatComponentName(vm)) : ''
      ))
  }
}

formatComponentName = vm => {
  if (vm.$root === vm) {
    return 'root instance'
  }
  const name = vm._isVue
  ? vm.$options.name || vm.$options._componentTag
  : vm.name
  return (
    (name ? `component <${name}>` : `anonymous component`) +
    (vm._isVue && vm.$options.__file ? ` at ${vm.$options.__file}` : '')
    )
}

const formatLocation = str => {
  if (str === 'anonymous component') {
    str += ` - use the "name" option for better debugging messages.`
  }
  return `\n(found in ${str})`
}

export { warn, formatComponentName }