[代码优化](v2.6)：update

src/utils/get-page-title.js

@@ -1,10 +0,0 @@
-import defaultSettings from '@/settings'
-
-const title = defaultSettings.title || 'Vue Element Admin'
-
-export default function getPageTitle(pageTitle) {
-  if (pageTitle) {
-    return `${pageTitle} - ${title}`
-  }
-  return `${title}`
-}

src/utils/open-window.js

@@ -1,25 +0,0 @@
-/**
- *Created by PanJiaChen on 16/11/29.
- * @param {Sting} url
- * @param {Sting} title
- * @param {Number} w
- * @param {Number} h
- */
-export default function openWindow(url, title, w, h) {
-  // Fixes dual-screen position                            Most browsers       Firefox
-  const dualScreenLeft = window.screenLeft !== undefined ? window.screenLeft : screen.left
-  const dualScreenTop = window.screenTop !== undefined ? window.screenTop : screen.top
-
-  const width = window.innerWidth ? window.innerWidth : document.documentElement.clientWidth ? document.documentElement.clientWidth : screen.width
-  const height = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document.documentElement.clientHeight : screen.height
-
-  const left = ((width / 2) - (w / 2)) + dualScreenLeft
-  const top = ((height / 2) - (h / 2)) + dualScreenTop
-  const newWindow = window.open(url, title, 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=yes, copyhistory=no, width=' + w + ', height=' + h + ', top=' + top + ', left=' + left)
-
-  // Puts focus on the newWindow
-  if (window.focus) {
-    newWindow.focus()
-  }
-}
-

src/utils/scroll-to.js

@@ -1,58 +0,0 @@
-Math.easeInOutQuad = function(t, b, c, d) {
-  t /= d / 2
-  if (t < 1) {
-    return c / 2 * t * t + b
-  }
-  t--
-  return -c / 2 * (t * (t - 2) - 1) + b
-}
-
-// requestAnimationFrame for Smart Animating http://goo.gl/sx5sts
-var requestAnimFrame = (function() {
-  return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(callback) { window.setTimeout(callback, 1000 / 60) }
-})()
-
-/**
- * Because it's so fucking difficult to detect the scrolling element, just move them all
- * @param {number} amount
- */
-function move(amount) {
-  document.documentElement.scrollTop = amount
-  document.body.parentNode.scrollTop = amount
-  document.body.scrollTop = amount
-}
-
-function position() {
-  return document.documentElement.scrollTop || document.body.parentNode.scrollTop || document.body.scrollTop
-}
-
-/**
- * @param {number} to
- * @param {number} duration
- * @param {Function} callback
- */
-export function scrollTo(to, duration, callback) {
-  const start = position()
-  const change = to - start
-  const increment = 20
-  let currentTime = 0
-  duration = (typeof (duration) === 'undefined') ? 500 : duration
-  var animateScroll = function() {
-    // increment the time
-    currentTime += increment
-    // find the value with the quadratic in-out easing function
-    var val = Math.easeInOutQuad(currentTime, start, change, duration)
-    // move the document.body
-    move(val)
-    // do the animation unless its over
-    if (currentTime < duration) {
-      requestAnimFrame(animateScroll)
-    } else {
-      if (callback && typeof (callback) === 'function') {
-        // the animation is done so lets callback
-        callback()
-      }
-    }
-  }
-  animateScroll()
-}