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index.umd.min.js
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index.umd.min.js
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/*!
* pulltorefreshjs v0.1.22
* (c) Rafael Soto
* Released under the MIT License.
*/
! function (e, t) {
"object" == typeof exports && "undefined" != typeof module ? module.exports = t() : "function" == typeof define && define.amd ? define(t) : (e = e || self).PullToRefresh = t()
}(this, function () {
"use strict";
var e = {
pullStartY: null,
pullMoveY: null,
handlers: [],
styleEl: null,
events: null,
dist: 0,
state: "pending",
timeout: null,
distResisted: 0,
supportsPassive: !1,
supportsPointerEvents: "undefined" != typeof window && !!window.PointerEvent
};
try {
window.addEventListener("test", null, {
get passive() {
e.supportsPassive = !0
}
})
} catch (e) { }
var t, n = {
setupDOM: function (t) {
if (!t.ptrElement) {
var n = document.createElement("div");
t.mainElement !== document.body ? t.mainElement.parentNode.insertBefore(n, t.mainElement) : document.body.insertBefore(n, document.body.firstChild), n.classList.add(t.classPrefix + "ptr"), n.innerHTML = t.getMarkup().replace(/__PREFIX__/g, t.classPrefix), t.ptrElement = n, "function" == typeof t.onInit && t.onInit(t), e.styleEl || (e.styleEl = document.createElement("style"), e.styleEl.setAttribute("id", "pull-to-refresh-js-style"), document.head.appendChild(e.styleEl)), e.styleEl.textContent = t.getStyles().replace(/__PREFIX__/g, t.classPrefix).replace(/\s+/g, " ")
}
return t
},
onReset: function (t) {
t.ptrElement && (t.ptrElement.classList.remove(t.classPrefix + "refresh"), t.ptrElement.style[t.cssProp] = "0px", setTimeout(function () {
t.ptrElement && t.ptrElement.parentNode && (t.ptrElement.parentNode.removeChild(t.ptrElement), t.ptrElement = null), e.state = "pending"
}, t.refreshTimeout))
},
update: function (t) {
var n = t.ptrElement.querySelector("." + t.classPrefix + "icon"),
s = t.ptrElement.querySelector("." + t.classPrefix + "text");
n && ("refreshing" === e.state ? n.innerHTML = t.iconRefreshing : n.innerHTML = t.iconArrow), s && ("releasing" === e.state && (s.innerHTML = t.instructionsReleaseToRefresh), "pulling" !== e.state && "pending" !== e.state || (s.innerHTML = t.instructionsPullToRefresh), "refreshing" === e.state && (s.innerHTML = t.instructionsRefreshing))
}
},
s = function (t) {
return e.pointerEventsEnabled && e.supportsPointerEvents ? t.screenY : t.touches[0].screenY
},
r = function () {
var r;
function i(t) {
var i = e.handlers.filter(function (e) {
return e.contains(t.target)
})[0];
e.enable = !!i, i && "pending" === e.state && (r = n.setupDOM(i), i.shouldPullToRefresh() && (e.pullStartY = s(t)), clearTimeout(e.timeout), n.update(i))
}
function o(t) {
r && r.ptrElement && e.enable && (e.pullStartY ? e.pullMoveY = s(t) : r.shouldPullToRefresh() && (e.pullStartY = s(t)), "refreshing" !== e.state ? ("pending" === e.state && (r.ptrElement.classList.add(r.classPrefix + "pull"), e.state = "pulling", n.update(r)), e.pullStartY && e.pullMoveY && (e.dist = e.pullMoveY - e.pullStartY), e.distExtra = e.dist - r.distIgnore, e.distExtra > 0 && (t.cancelable && t.preventDefault(), r.ptrElement.style[r.cssProp] = e.distResisted + "px", e.distResisted = r.resistanceFunction(e.distExtra / r.distThreshold) * Math.min(r.distMax, e.distExtra), "pulling" === e.state && e.distResisted > r.distThreshold && (r.ptrElement.classList.add(r.classPrefix + "release"), e.state = "releasing", n.update(r)), "releasing" === e.state && e.distResisted < r.distThreshold && (r.ptrElement.classList.remove(r.classPrefix + "release"), e.state = "pulling", n.update(r)))) : t.cancelable && r.shouldPullToRefresh() && e.pullStartY < e.pullMoveY && t.preventDefault())
}
function l() {
if (r && r.ptrElement && e.enable) {
if (clearTimeout(t), t = setTimeout(function () {
r && r.ptrElement && "pending" === e.state && n.onReset(r)
}, 500), "releasing" === e.state && e.distResisted > r.distThreshold) e.state = "refreshing", r.ptrElement.style[r.cssProp] = r.distReload + "px", r.ptrElement.classList.add(r.classPrefix + "refresh"), e.timeout = setTimeout(function () {
var e = r.onRefresh(function () {
return n.onReset(r)
});
e && "function" == typeof e.then && e.then(function () {
return n.onReset(r)
}), e || r.onRefresh.length || n.onReset(r)
}, r.refreshTimeout);
else {
if ("refreshing" === e.state) return;
r.ptrElement.style[r.cssProp] = "0px", e.state = "pending"
}
n.update(r), r.ptrElement.classList.remove(r.classPrefix + "release"), r.ptrElement.classList.remove(r.classPrefix + "pull"), e.pullStartY = e.pullMoveY = null, e.dist = e.distResisted = 0
}
}
function a() {
r && r.mainElement.classList.toggle(r.classPrefix + "top", r.shouldPullToRefresh())
}
var d = e.supportsPassive ? {
passive: e.passive || !1
} : void 0;
return e.pointerEventsEnabled && e.supportsPointerEvents ? (window.addEventListener("pointerup", l), window.addEventListener("pointerdown", i), window.addEventListener("pointermove", o, d)) : (window.addEventListener("touchend", l), window.addEventListener("touchstart", i), window.addEventListener("touchmove", o, d)), window.addEventListener("scroll", a), {
onTouchEnd: l,
onTouchStart: i,
onTouchMove: o,
onScroll: a,
destroy: function () {
e.pointerEventsEnabled && e.supportsPointerEvents ? (window.removeEventListener("pointerdown", i), window.removeEventListener("pointerup", l), window.removeEventListener("pointermove", o, d)) : (window.removeEventListener("touchstart", i), window.removeEventListener("touchend", l), window.removeEventListener("touchmove", o, d)), window.removeEventListener("scroll", a)
}
}
},
i = {
distThreshold: 60,
distMax: 80,
distReload: 50,
distIgnore: 0,
mainElement: "body",
triggerElement: "body",
ptrElement: ".ptr",
classPrefix: "ptr--",
cssProp: "min-height",
iconArrow: "⇣",
iconRefreshing: "…",
instructionsPullToRefresh: "Pull down to refresh",
instructionsReleaseToRefresh: "Release to refresh",
instructionsRefreshing: "Refreshing",
refreshTimeout: 500,
getMarkup: function () {
return '\n<div class="__PREFIX__box">\n <div class="__PREFIX__content">\n <div class="__PREFIX__icon"></div>\n <div class="__PREFIX__text"></div>\n </div>\n</div>\n'
},
getStyles: function () {
return "\n.__PREFIX__ptr {\n box-shadow: inset 0 -3px 5px rgba(0, 0, 0, 0);\n pointer-events: none;\n font-size: 0.85em;\n font-weight: bold;\n top: 0;\n height: 0;\n transition: height 0.3s, min-height 0.3s;\n text-align: center;\n width: 100%;\n overflow: hidden;\n display: flex;\n align-items: flex-end;\n align-content: stretch;\n}\n\n.__PREFIX__box {\n padding: 10px;\n flex-basis: 100%;\n}\n\n.__PREFIX__pull {\n transition: none;\n}\n\n.__PREFIX__text {\n margin-top: .33em;\n color: rgba(255, 255, 255, 255);\n}\n\n.__PREFIX__icon {\n color: rgba(255, 255, 255, 255);\n transition: transform .3s;\n}\n\n/*\nWhen at the top of the page, disable vertical overscroll so passive touch\nlisteners can take over.\n*/\n.__PREFIX__top {\n touch-action: pan-x pan-down pinch-zoom;\n}\n\n.__PREFIX__release .__PREFIX__icon {\n transform: rotate(180deg);\n}\n"
},
onInit: function () { },
onRefresh: function () {
return location.reload()
},
resistanceFunction: function (e) {
return Math.min(1, e / 2.5)
},
shouldPullToRefresh: function () {
return !window.scrollY
}
},
o = ["mainElement", "ptrElement", "triggerElement"],
l = function (t) {
var n = {};
return Object.keys(i).forEach(function (e) {
n[e] = t[e] || i[e]
}), n.refreshTimeout = "number" == typeof t.refreshTimeout ? t.refreshTimeout : i.refreshTimeout, o.forEach(function (e) {
"string" == typeof n[e] && (n[e] = document.querySelector(n[e]))
}), e.events || (e.events = r()), n.contains = function (e) {
return n.triggerElement.contains(e)
}, n.destroy = function () {
clearTimeout(e.timeout);
var t = e.handlers.indexOf(n);
e.handlers.splice(t, 1)
}, n
};
return {
setPassiveMode: function (t) {
e.passive = t
},
setPointerEventsMode: function (t) {
e.pointerEventsEnabled = t
},
destroyAll: function () {
e.events && (e.events.destroy(), e.events = null), e.handlers.forEach(function (e) {
e.destroy()
})
},
init: function (t) {
void 0 === t && (t = {});
var n = l(t);
return e.handlers.push(n), n
},
_: {
setupHandler: l,
setupEvents: r,
setupDOM: n.setupDOM,
onReset: n.onReset,
update: n.update
}
}
});
//# sourceMappingURL=index.umd.min.js.map