mirror of
https://github.com/discourse/discourse.git
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351 lines
9.3 KiB
JavaScript
351 lines
9.3 KiB
JavaScript
/* eslint-disable */
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// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/flags#Polyfill
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// IE and EDGE
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if (RegExp.prototype.flags === undefined) {
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Object.defineProperty(RegExp.prototype, "flags", {
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configurable: true,
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get: function () {
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return this.toString().match(/[gimsuy]*$/)[0];
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},
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});
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}
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// https://github.com/uxitten/polyfill/blob/master/string.polyfill.js
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// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padStart
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if (!String.prototype.padStart) {
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String.prototype.padStart = function padStart(targetLength, padString) {
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targetLength = targetLength >> 0; //truncate if number, or convert non-number to 0;
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padString = String(typeof padString !== "undefined" ? padString : " ");
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if (this.length >= targetLength) {
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return String(this);
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} else {
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targetLength = targetLength - this.length;
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if (targetLength > padString.length) {
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padString += padString.repeat(targetLength / padString.length); //append to original to ensure we are longer than needed
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}
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return padString.slice(0, targetLength) + String(this);
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}
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};
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}
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// https://github.com/uxitten/polyfill/blob/master/string.polyfill.js
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// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padEnd
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if (!String.prototype.padEnd) {
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String.prototype.padEnd = function padEnd(targetLength, padString) {
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targetLength = targetLength >> 0; //floor if number or convert non-number to 0;
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padString = String(typeof padString !== "undefined" ? padString : " ");
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if (this.length > targetLength) {
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return String(this);
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} else {
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targetLength = targetLength - this.length;
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if (targetLength > padString.length) {
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padString += padString.repeat(targetLength / padString.length); //append to original to ensure we are longer than needed
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}
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return String(this) + padString.slice(0, targetLength);
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}
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};
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}
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// Needed for Safari 15.2 and below
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// from: https://github.com/iamdustan/smoothscroll
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(function () {
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"use strict";
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function e() {
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var e = window;
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var t = document;
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if (
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"scrollBehavior" in t.documentElement.style &&
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e.__forceSmoothScrollPolyfill__ !== true
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) {
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return;
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}
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var o = e.HTMLElement || e.Element;
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var r = 1.8;
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var l = {
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scroll: e.scroll || e.scrollTo,
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scrollBy: e.scrollBy,
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elementScroll: o.prototype.scroll || s,
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scrollIntoView: o.prototype.scrollIntoView,
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};
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var n =
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e.performance && e.performance.now
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? e.performance.now.bind(e.performance)
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: Date.now;
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function i(e) {
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var t = ["MSIE ", "Trident/", "Edge/"];
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return new RegExp(t.join("|")).test(e);
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}
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var f = i(e.navigator.userAgent) ? 1 : 0;
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function s(e, t) {
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this.scrollLeft = e;
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this.scrollTop = t;
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}
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function c(e) {
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return 0.5 * (1 - Math.cos(Math.PI * e));
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}
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function a(e) {
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if (
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e === null ||
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typeof e !== "object" ||
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e.behavior === undefined ||
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e.behavior === "auto" ||
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e.behavior === "instant"
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) {
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return true;
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}
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if (typeof e === "object" && e.behavior === "smooth") {
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return false;
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}
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throw new TypeError(
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"behavior member of ScrollOptions " +
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e.behavior +
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" is not a valid value for enumeration ScrollBehavior."
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);
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}
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function u(e, t) {
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if (t === "Y") {
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return e.clientHeight + f < e.scrollHeight;
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}
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if (t === "X") {
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return e.clientWidth + f < e.scrollWidth;
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}
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}
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function d(t, o) {
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var r = e.getComputedStyle(t, null)["overflow" + o];
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return r === "auto" || r === "scroll";
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}
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function p(e) {
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var t = u(e, "Y") && d(e, "Y");
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var o = u(e, "X") && d(e, "X");
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return t || o;
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}
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function h(e) {
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while (e !== t.body && p(e) === false) {
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e = e.parentNode || e.host;
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}
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return e;
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}
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function v(e, t) {
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var o = r / t;
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var l = Math.pow(1.16, Math.max(e / 80, 1));
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return o * e * (1 / l);
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}
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function y(t) {
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var o = n();
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var r = e.devicePixelRatio;
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var l;
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var i;
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var f;
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var s;
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var a = v(Math.abs(t.x - t.startX), r);
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var u = v(Math.abs(t.y - t.startY), r);
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var d = (o - t.startTime) / a;
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var p = (o - t.startTime) / u;
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d = d > 1 ? 1 : d;
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p = p > 1 ? 1 : p;
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l = c(d);
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i = c(p);
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f = t.startX + (t.x - t.startX) * l;
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s = t.startY + (t.y - t.startY) * i;
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t.method.call(t.scrollable, f, s);
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if (f !== t.x || s !== t.y) {
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e.requestAnimationFrame(y.bind(e, t));
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}
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}
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function m(o, r, i) {
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var f;
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var c;
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var a;
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var u;
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var d = n();
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if (o === t.body) {
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f = e;
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c = e.scrollX || e.pageXOffset;
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a = e.scrollY || e.pageYOffset;
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u = l.scroll;
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} else {
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f = o;
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c = o.scrollLeft;
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a = o.scrollTop;
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u = s;
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}
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y({
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scrollable: f,
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method: u,
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startTime: d,
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startX: c,
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startY: a,
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x: r,
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y: i,
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});
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}
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e.scroll = e.scrollTo = function () {
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if (arguments[0] === undefined) {
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return;
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}
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if (a(arguments[0]) === true) {
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l.scroll.call(
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e,
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arguments[0].left !== undefined
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? arguments[0].left
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: typeof arguments[0] !== "object"
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? arguments[0]
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: e.scrollX || e.pageXOffset,
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arguments[0].top !== undefined
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? arguments[0].top
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: arguments[1] !== undefined
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? arguments[1]
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: e.scrollY || e.pageYOffset
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);
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return;
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}
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m.call(
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e,
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t.body,
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arguments[0].left !== undefined
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? ~~arguments[0].left
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: e.scrollX || e.pageXOffset,
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arguments[0].top !== undefined
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? ~~arguments[0].top
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: e.scrollY || e.pageYOffset
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);
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};
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e.scrollBy = function () {
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if (arguments[0] === undefined) {
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return;
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}
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if (a(arguments[0])) {
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l.scrollBy.call(
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e,
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arguments[0].left !== undefined
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? arguments[0].left
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: typeof arguments[0] !== "object"
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? arguments[0]
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: 0,
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arguments[0].top !== undefined
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? arguments[0].top
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: arguments[1] !== undefined
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? arguments[1]
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: 0
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);
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return;
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}
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m.call(
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e,
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t.body,
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~~arguments[0].left + (e.scrollX || e.pageXOffset),
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~~arguments[0].top + (e.scrollY || e.pageYOffset)
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);
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};
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o.prototype.scroll = o.prototype.scrollTo = function () {
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if (arguments[0] === undefined) {
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return;
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}
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if (a(arguments[0]) === true) {
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if (typeof arguments[0] === "number" && arguments[1] === undefined) {
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throw new SyntaxError("Value could not be converted");
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}
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l.elementScroll.call(
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this,
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arguments[0].left !== undefined
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? ~~arguments[0].left
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: typeof arguments[0] !== "object"
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? ~~arguments[0]
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: this.scrollLeft,
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arguments[0].top !== undefined
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? ~~arguments[0].top
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: arguments[1] !== undefined
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? ~~arguments[1]
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: this.scrollTop
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);
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return;
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}
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var e = arguments[0].left;
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var t = arguments[0].top;
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m.call(
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this,
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this,
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typeof e === "undefined" ? this.scrollLeft : ~~e,
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typeof t === "undefined" ? this.scrollTop : ~~t
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);
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};
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o.prototype.scrollBy = function () {
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if (arguments[0] === undefined) {
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return;
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}
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if (a(arguments[0]) === true) {
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l.elementScroll.call(
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this,
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arguments[0].left !== undefined
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? ~~arguments[0].left + this.scrollLeft
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: ~~arguments[0] + this.scrollLeft,
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arguments[0].top !== undefined
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? ~~arguments[0].top + this.scrollTop
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: ~~arguments[1] + this.scrollTop
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);
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return;
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}
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this.scroll({
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left: ~~arguments[0].left + this.scrollLeft,
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top: ~~arguments[0].top + this.scrollTop,
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behavior: arguments[0].behavior,
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});
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};
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o.prototype.scrollIntoView = function () {
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if (a(arguments[0]) === true) {
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l.scrollIntoView.call(
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this,
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arguments[0] === undefined ? true : arguments[0]
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);
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return;
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}
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var o = h(this);
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var r = o.getBoundingClientRect();
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var n = this.getBoundingClientRect();
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if (o !== t.body) {
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m.call(
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this,
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o,
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o.scrollLeft + n.left - r.left,
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o.scrollTop + n.top - r.top
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);
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if (e.getComputedStyle(o).position !== "fixed") {
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e.scrollBy({
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left: r.left,
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top: r.top,
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behavior: "smooth",
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});
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}
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} else {
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e.scrollBy({
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left: n.left,
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top: n.top,
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behavior: "smooth",
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});
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}
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};
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}
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if (typeof exports === "object" && typeof module !== "undefined") {
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module.exports = {
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polyfill: e,
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};
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} else {
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e();
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}
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})();
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/* eslint-enable */
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