プリレンダリングのテスト

prerender-test.js

/* global phantom */

var url = 'http://localhost:8080/posts'

function ready () {
  console.log(window.fetch)
  return window.prerenderReady
}

var page = require('webpage').create()

page.onResourceRequested = function (request) {
  console.log('Request ' + JSON.stringify(request, undefined, 4))
}

page.onResourceReceived = function (response) {
  console.log('Receive ' + JSON.stringify(response, undefined, 4))
}

page.open(url, function (status) {
  console.log('hoge', status)
  if (status === 'success') {
    page.render('example.png')
  }
  setInterval(function () {
    var finished = page.evaluate(ready)
    console.log(finished)
    if (finished) {
      phantom.exit()
    }
    page.render('hoge.png')
  }, 1000)
})

page.onError = function (msg, trace) {
  var msgStack = ['ERROR: ' + msg]
  if (trace && trace.length) {
    msgStack.push('TRACE:')
    trace.forEach(function (t) {
      msgStack.push(' -> ' + t.file + ': ' + t.line + (t.function ? ' (in function "' + t.function + '")' : ''))
    })
  }
  console.log(msgStack.join('\n'))
  return true
}

phantom.onError = function (msg, trace) {
  var msgStack = ['ERROR: ' + msg]
  if (trace && trace.length) {
    msgStack.push('TRACE:')
    trace.forEach(function (t) {
      msgStack.push(' -> ' + t.file + ': ' + t.line + (t.function ? ' (in function "' + t.function + '")' : ''))
    })
  }
  console.log(msgStack.join('\n'))
  return true
}