https://aemonair.github.io/js/utils.js

1function debounce (func, wait, immediate) {
2  var timeout
3  return function () {
4    var context = this
5    var args = arguments
6    var later = function () {
7      timeout = null
8      if (!immediate) func.apply(context, args)
9    }
10    var callNow = immediate && !timeout
11    clearTimeout(timeout)
12    timeout = setTimeout(later, wait)
13    if (callNow) func.apply(context, args)
14  }
15};
16
17function throttle (func, wait, options) {
18  var timeout, context, args
19  var previous = 0
20  if (!options) options = {}
21
22  var later = function () {
23    previous = options.leading === false ? 0 : new Date().getTime()
24    timeout = null
25    func.apply(context, args)
26    if (!timeout) context = args = null
27  }
28
29  var throttled = function () {
30    var now = new Date().getTime()
31    if (!previous && options.leading === false) previous = now
32    var remaining = wait - (now - previous)
33    context = this
34    args = arguments
35    if (remaining <= 0 || remaining > wait) {
36      if (timeout) {
37        clearTimeout(timeout)
38        timeout = null
39      }
40      previous = now
41      func.apply(context, args)
42      if (!timeout) context = args = null
43    } else if (!timeout && options.trailing !== false) {
44      timeout = setTimeout(later, remaining)
45    }
46  }
47
48  return throttled
49}
50
51function sidebarPaddingR () {
52  var innerWidth = window.innerWidth
53  var clientWidth = document.body.clientWidth
54  var paddingRight = innerWidth - clientWidth
55  if (innerWidth !== clientWidth) {
56    $('body').css('padding-right', paddingRight)
57  }
58}
59
60// iPadOS
61function isIpad () {
62  return navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1
63}
64
65function isTMobile () {
66  var ua = navigator.userAgent
67  var pa = /iPad|iPhone|iPod|Android|Opera Mini|BlackBerry|webOS|UCWEB|Blazer|PSP|IEMobile|Symbian/g
68  return window.screen.width < 992 && pa.test(ua)
69}
70
71function isMobile () {
72  return this.isIpad() || this.isTMobile()
73}
74
75function isDesktop () {
76  return !this.isMobile()
77}
78
79function scrollTo (name) {
80  var scrollOffset = $(name).offset()
81  $('body,html').animate({
82    scrollTop: scrollOffset.top
83  })
84};
85
86function loadScript (url, callback) {
87  var script = document.createElement('script')
88  script.type = 'text/javascript'
89  if (script.readyState) { // IE
90    script.onreadystatechange = function () {
91      if (script.readyState === 'loaded' ||
92        script.readyState === 'complete') {
93        script.onreadystatechange = null
94        callback()
95      }
96    }
97  } else { // Others
98    script.onload = function () {
99      callback()
100    }
101  }
102  script.src = url
103  document.body.appendChild(script)
104};
105
106function snackbarShow (text, showAction, duration) {
107  var a = (typeof showAction !== 'undefined') ? showAction : false
108  var d = (typeof duration !== 'undefined') ? duration : 2000
109  var position = GLOBAL_CONFIG.Snackbar.position
110  var bg = document.documentElement.getAttribute('data-theme') === 'light' ? GLOBAL_CONFIG.Snackbar.bgLight : GLOBAL_CONFIG.Snackbar.bgDark
111  Snackbar.show({
112    text: text,
113    backgroundColor: bg,
114    showAction: a,
115    duration: d,
116    pos: position
117  })
118}
119
120window.debounce = debounce
121
122window.throttle = throttle
123
124window.isMobile = isMobile
125
126window.loadScript = loadScript