Replace jQuery Smooth Scroll with Smooth Scroll + Gumshoe (#2082)
* Replace jQuery Smooth Scroll with Smooth Scroll + Gumshoe * Change smooth scrolling speed * Set maximum smooth scroll duration * Remove Font Awesome CSS Ppseudo elements attribute from JS script Close #2050, close #2075
This commit is contained in:
Michael Rose
GitHub
parent
94e8280950
commit
a44dc2f914
8 changed files with 1149 additions and 78 deletions
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@ -9,7 +9,7 @@
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{% endfor %}
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{% else %}
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<script src="{{ '/assets/js/main.min.js' | relative_url }}"></script>
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<script data-search-pseudo-elements defer src="https://use.fontawesome.com/releases/v5.7.1/js/all.js" integrity="sha384-eVEQC9zshBn0rFj4+TU78eNA19HMNigMviK/PU/FFjLXqa/GKPgX58rvt5Z8PLs7" crossorigin="anonymous"></script>
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<script defer src="https://use.fontawesome.com/releases/v5.7.1/js/all.js" integrity="sha384-eVEQC9zshBn0rFj4+TU78eNA19HMNigMviK/PU/FFjLXqa/GKPgX58rvt5Z8PLs7" crossorigin="anonymous"></script>
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{% endif %}
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{% if site.search == true or page.layout == "search" %}
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@ -5,13 +5,15 @@
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$(document).ready(function() {
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// Sticky footer
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var bumpIt = function() {
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$("body").css("margin-bottom", $(".page__footer").outerHeight(true));
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};
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$("body").css("margin-bottom", $(".page__footer").outerHeight(true));
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};
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bumpIt();
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$(window).resize(jQuery.throttle(250, function() {
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bumpIt();
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}));
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$(window).resize(
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jQuery.throttle(250, function() {
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bumpIt();
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})
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);
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// FitVids init
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$("#main").fitVids();
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@ -64,65 +66,30 @@ $(document).ready(function() {
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});
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// Smooth scrolling
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// Bind popstate event listener to support back/forward buttons.
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var smoothScrolling = false;
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$(window).bind("popstate", function (event) {
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$.smoothScroll({
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scrollTarget: decodeURI(location.hash),
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offset: -20,
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beforeScroll: function() { smoothScrolling = true; },
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afterScroll: function() { smoothScrolling = false; }
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});
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var scroll = new SmoothScroll('a[href*="#"]', {
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offset: 20,
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speed: 400,
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speedAsDuration: true,
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durationMax: 500
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});
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// Override clicking on links to smooth scroll
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$('a[href*="#"]').bind("click", function (event) {
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if (this.pathname === location.pathname && this.hash) {
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event.preventDefault();
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history.pushState(null, null, this.hash);
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$(window).trigger("popstate");
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}
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});
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// Smooth scroll on page load if there is a hash in the URL.
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if (location.hash) {
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$(window).trigger("popstate");
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}
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// Scrollspy equivalent: update hash fragment while scrolling.
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$(window).scroll(jQuery.throttle(250, function() {
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// Don't run while smooth scrolling (from clicking on a link).
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if (smoothScrolling) return;
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var scrollTop = $(window).scrollTop() + 20 + 1; // 20 = offset
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var links = [];
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$("nav.toc a").each(function() {
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var link = $(this);
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var href = link.attr("href");
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if (href && href[0] == "#") {
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var element = $(href);
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links.push({
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link: link,
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href: href,
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top: element.offset().top
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});
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link.removeClass('active');
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}
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});
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for (var i = 0; i < links.length; i++) {
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var top = links[i].top;
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var bottom = (i < links.length - 1 ? links[i+1].top : Infinity);
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if (top <= scrollTop && scrollTop < bottom) {
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// Mark all ancestors as active
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links[i].link.parents("li").children("a").addClass('active');
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if (links[i].href !== decodeURI(location.hash)) {
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history.replaceState(null, null, links[i].href);
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}
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return;
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}
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}
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if ('#' !== location.hash) {
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history.replaceState(null, null, '#');
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}
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}));
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// Gumshoe scroll spy init
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var spy = new Gumshoe("nav.toc a", {
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// Active classes
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navClass: "active", // applied to the nav list item
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contentClass: "active", // applied to the content
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// Nested navigation
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nested: false, // if true, add classes to parents of active link
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nestedClass: "active", // applied to the parent items
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// Offset & reflow
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offset: 20, // how far from the top of the page to activate a content area
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reflow: true, // if true, listen for reflows
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// Event support
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events: true // if true, emit custom events
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});
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// add lightbox class to all image links
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$(
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5
assets/js/main.min.js
vendored
5
assets/js/main.min.js
vendored
File diff suppressed because one or more lines are too long
482
assets/js/plugins/gumshoe.js
vendored
Normal file
482
assets/js/plugins/gumshoe.js
vendored
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@ -0,0 +1,482 @@
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/*!
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* gumshoejs v5.1.0
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* A simple, framework-agnostic scrollspy script.
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* (c) 2019 Chris Ferdinandi
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* MIT License
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* http://github.com/cferdinandi/gumshoe
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*/
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(function (root, factory) {
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if ( typeof define === 'function' && define.amd ) {
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define([], (function () {
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return factory(root);
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}));
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} else if ( typeof exports === 'object' ) {
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module.exports = factory(root);
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} else {
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root.Gumshoe = factory(root);
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}
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})(typeof global !== 'undefined' ? global : typeof window !== 'undefined' ? window : this, (function (window) {
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'use strict';
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//
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// Defaults
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//
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var defaults = {
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// Active classes
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navClass: 'active',
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contentClass: 'active',
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// Nested navigation
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nested: false,
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nestedClass: 'active',
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// Offset & reflow
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offset: 0,
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reflow: false,
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// Event support
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events: true
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};
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//
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// Methods
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//
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/**
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* Merge two or more objects together.
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* @param {Object} objects The objects to merge together
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* @returns {Object} Merged values of defaults and options
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*/
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var extend = function () {
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var merged = {};
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Array.prototype.forEach.call(arguments, (function (obj) {
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for (var key in obj) {
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if (!obj.hasOwnProperty(key)) return;
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merged[key] = obj[key];
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}
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}));
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return merged;
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};
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/**
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* Emit a custom event
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* @param {String} type The event type
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* @param {Node} elem The element to attach the event to
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* @param {Object} detail Any details to pass along with the event
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*/
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var emitEvent = function (type, elem, detail) {
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// Make sure events are enabled
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if (!detail.settings.events) return;
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// Create a new event
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var event = new CustomEvent(type, {
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bubbles: true,
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cancelable: true,
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detail: detail
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});
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// Dispatch the event
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elem.dispatchEvent(event);
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};
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/**
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* Get an element's distance from the top of the Document.
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* @param {Node} elem The element
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* @return {Number} Distance from the top in pixels
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*/
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var getOffsetTop = function (elem) {
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var location = 0;
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if (elem.offsetParent) {
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while (elem) {
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location += elem.offsetTop;
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elem = elem.offsetParent;
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}
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}
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return location >= 0 ? location : 0;
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};
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/**
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* Sort content from first to last in the DOM
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* @param {Array} contents The content areas
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*/
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var sortContents = function (contents) {
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contents.sort((function (item1, item2) {
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var offset1 = getOffsetTop(item1.content);
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var offset2 = getOffsetTop(item2.content);
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if (offset1 < offset2) return -1;
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return 1;
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}));
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};
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/**
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* Get the offset to use for calculating position
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* @param {Object} settings The settings for this instantiation
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* @return {Float} The number of pixels to offset the calculations
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*/
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var getOffset = function (settings) {
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// if the offset is a function run it
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if (typeof settings.offset === 'function') {
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return parseFloat(settings.offset());
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}
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// Otherwise, return it as-is
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return parseFloat(settings.offset);
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};
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/**
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* Get the document element's height
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* @private
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* @returns {Number}
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*/
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var getDocumentHeight = function () {
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return Math.max(
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document.body.scrollHeight, document.documentElement.scrollHeight,
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document.body.offsetHeight, document.documentElement.offsetHeight,
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document.body.clientHeight, document.documentElement.clientHeight
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);
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};
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/**
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* Determine if an element is in view
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* @param {Node} elem The element
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* @param {Object} settings The settings for this instantiation
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* @param {Boolean} bottom If true, check if element is above bottom of viewport instead
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* @return {Boolean} Returns true if element is in the viewport
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*/
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var isInView = function (elem, settings, bottom) {
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var bounds = elem.getBoundingClientRect();
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var offset = getOffset(settings);
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if (bottom) {
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return parseInt(bounds.bottom, 10) < (window.innerHeight || document.documentElement.clientHeight);
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}
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return parseInt(bounds.top, 10) <= offset;
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};
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/**
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* Check if at the bottom of the viewport
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* @return {Boolean} If true, page is at the bottom of the viewport
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*/
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var isAtBottom = function () {
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if (window.innerHeight + window.pageYOffset >= getDocumentHeight()) return true;
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return false;
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};
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/**
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* Check if the last item should be used (even if not at the top of the page)
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* @param {Object} item The last item
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* @param {Object} settings The settings for this instantiation
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* @return {Boolean} If true, use the last item
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*/
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var useLastItem = function (item, settings) {
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if (isAtBottom() && isInView(item.content, settings, true)) return true;
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return false;
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};
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/**
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* Get the active content
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* @param {Array} contents The content areas
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* @param {Object} settings The settings for this instantiation
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* @return {Object} The content area and matching navigation link
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*/
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var getActive = function (contents, settings) {
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var last = contents[contents.length-1];
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if (useLastItem(last, settings)) return last;
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for (var i = contents.length - 1; i >= 0; i--) {
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if (isInView(contents[i].content, settings)) return contents[i];
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}
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};
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/**
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* Deactivate parent navs in a nested navigation
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* @param {Node} nav The starting navigation element
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* @param {Object} settings The settings for this instantiation
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*/
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var deactivateNested = function (nav, settings) {
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// If nesting isn't activated, bail
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if (!settings.nested) return;
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// Get the parent navigation
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var li = nav.parentNode.closest('li');
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if (!li) return;
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// Remove the active class
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li.classList.remove(settings.nestedClass);
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// Apply recursively to any parent navigation elements
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deactivateNested(li, settings);
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};
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/**
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* Deactivate a nav and content area
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* @param {Object} items The nav item and content to deactivate
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* @param {Object} settings The settings for this instantiation
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*/
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var deactivate = function (items, settings) {
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// Make sure their are items to deactivate
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if (!items) return;
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// Get the parent list item
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var li = items.nav.closest('li');
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if (!li) return;
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// Remove the active class from the nav and content
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li.classList.remove(settings.navClass);
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items.content.classList.remove(settings.contentClass);
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// Deactivate any parent navs in a nested navigation
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deactivateNested(li, settings);
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// Emit a custom event
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emitEvent('gumshoeDeactivate', li, {
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link: items.nav,
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content: items.content,
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settings: settings
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});
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};
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/**
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* Activate parent navs in a nested navigation
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* @param {Node} nav The starting navigation element
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* @param {Object} settings The settings for this instantiation
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*/
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var activateNested = function (nav, settings) {
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// If nesting isn't activated, bail
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if (!settings.nested) return;
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// Get the parent navigation
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var li = nav.parentNode.closest('li');
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if (!li) return;
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// Add the active class
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li.classList.add(settings.nestedClass);
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// Apply recursively to any parent navigation elements
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activateNested(li, settings);
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};
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/**
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* Activate a nav and content area
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* @param {Object} items The nav item and content to activate
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* @param {Object} settings The settings for this instantiation
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*/
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var activate = function (items, settings) {
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// Make sure their are items to activate
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if (!items) return;
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// Get the parent list item
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var li = items.nav.closest('li');
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if (!li) return;
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// Add the active class to the nav and content
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li.classList.add(settings.navClass);
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items.content.classList.add(settings.contentClass);
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// Activate any parent navs in a nested navigation
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activateNested(li, settings);
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// Emit a custom event
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emitEvent('gumshoeActivate', li, {
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link: items.nav,
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content: items.content,
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settings: settings
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});
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};
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/**
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* Create the Constructor object
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* @param {String} selector The selector to use for navigation items
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* @param {Object} options User options and settings
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*/
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var Constructor = function (selector, options) {
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//
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// Variables
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//
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var publicAPIs = {};
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var navItems, contents, current, timeout, settings;
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//
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// Methods
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//
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/**
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* Set variables from DOM elements
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*/
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publicAPIs.setup = function () {
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// Get all nav items
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navItems = document.querySelectorAll(selector);
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// Create contents array
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contents = [];
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// Loop through each item, get it's matching content, and push to the array
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Array.prototype.forEach.call(navItems, (function (item) {
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// Get the content for the nav item
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var content = document.getElementById(decodeURIComponent(item.hash.substr(1)));
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if (!content) return;
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// Push to the contents array
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contents.push({
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nav: item,
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content: content
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});
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}));
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// Sort contents by the order they appear in the DOM
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sortContents(contents);
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};
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/**
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* Detect which content is currently active
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*/
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publicAPIs.detect = function () {
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// Get the active content
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var active = getActive(contents, settings);
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// if there's no active content, deactivate and bail
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if (!active) {
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if (current) {
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deactivate(current, settings);
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current = null;
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}
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return;
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}
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// If the active content is the one currently active, do nothing
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if (current && active.content === current.content) return;
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// Deactivate the current content and activate the new content
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deactivate(current, settings);
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activate(active, settings);
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// Update the currently active content
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current = active;
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};
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/**
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* Detect the active content on scroll
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* Debounced for performance
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*/
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var scrollHandler = function (event) {
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// If there's a timer, cancel it
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if (timeout) {
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window.cancelAnimationFrame(timeout);
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}
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// Setup debounce callback
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timeout = window.requestAnimationFrame(publicAPIs.detect);
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};
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/**
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* Update content sorting on resize
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* Debounced for performance
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*/
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var resizeHandler = function (event) {
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// If there's a timer, cancel it
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if (timeout) {
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window.cancelAnimationFrame(timeout);
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}
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// Setup debounce callback
|
||||
timeout = window.requestAnimationFrame((function () {
|
||||
sortContents();
|
||||
publicAPIs.detect();
|
||||
}));
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Destroy the current instantiation
|
||||
*/
|
||||
publicAPIs.destroy = function () {
|
||||
|
||||
// Undo DOM changes
|
||||
if (current) {
|
||||
deactivate(current);
|
||||
}
|
||||
|
||||
// Remove event listeners
|
||||
window.removeEventListener('scroll', scrollHandler, false);
|
||||
if (settings.reflow) {
|
||||
window.removeEventListener('resize', resizeHandler, false);
|
||||
}
|
||||
|
||||
// Reset variables
|
||||
contents = null;
|
||||
navItems = null;
|
||||
current = null;
|
||||
timeout = null;
|
||||
settings = null;
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Initialize the current instantiation
|
||||
*/
|
||||
var init = function () {
|
||||
|
||||
// Merge user options into defaults
|
||||
settings = extend(defaults, options || {});
|
||||
|
||||
// Setup variables based on the current DOM
|
||||
publicAPIs.setup();
|
||||
|
||||
// Find the currently active content
|
||||
publicAPIs.detect();
|
||||
|
||||
// Setup event listeners
|
||||
window.addEventListener('scroll', scrollHandler, false);
|
||||
if (settings.reflow) {
|
||||
window.addEventListener('resize', resizeHandler, false);
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
|
||||
//
|
||||
// Initialize and return the public APIs
|
||||
//
|
||||
|
||||
init();
|
||||
return publicAPIs;
|
||||
|
||||
};
|
||||
|
||||
|
||||
//
|
||||
// Return the Constructor
|
||||
//
|
||||
|
||||
return Constructor;
|
||||
|
||||
}));
|
||||
|
|
@ -1,9 +0,0 @@
|
|||
/*!
|
||||
* jQuery Smooth Scroll - v2.2.0 - 2017-05-05
|
||||
* https://github.com/kswedberg/jquery-smooth-scroll
|
||||
* Copyright (c) 2017 Karl Swedberg
|
||||
* Licensed MIT
|
||||
*/
|
||||
|
||||
|
||||
!function(a){"function"==typeof define&&define.amd?define(["jquery"],a):a("object"==typeof module&&module.exports?require("jquery"):jQuery)}(function(a){var b={},c={exclude:[],excludeWithin:[],offset:0,direction:"top",delegateSelector:null,scrollElement:null,scrollTarget:null,autoFocus:!1,beforeScroll:function(){},afterScroll:function(){},easing:"swing",speed:400,autoCoefficient:2,preventDefault:!0},d=function(b){var c=[],d=!1,e=b.dir&&"left"===b.dir?"scrollLeft":"scrollTop";return this.each(function(){var b=a(this);if(this!==document&&this!==window)return!document.scrollingElement||this!==document.documentElement&&this!==document.body?void(b[e]()>0?c.push(this):(b[e](1),d=b[e]()>0,d&&c.push(this),b[e](0))):(c.push(document.scrollingElement),!1)}),c.length||this.each(function(){this===document.documentElement&&"smooth"===a(this).css("scrollBehavior")&&(c=[this]),c.length||"BODY"!==this.nodeName||(c=[this])}),"first"===b.el&&c.length>1&&(c=[c[0]]),c},e=/^([\-\+]=)(\d+)/;a.fn.extend({scrollable:function(a){var b=d.call(this,{dir:a});return this.pushStack(b)},firstScrollable:function(a){var b=d.call(this,{el:"first",dir:a});return this.pushStack(b)},smoothScroll:function(b,c){if("options"===(b=b||{}))return c?this.each(function(){var b=a(this),d=a.extend(b.data("ssOpts")||{},c);a(this).data("ssOpts",d)}):this.first().data("ssOpts");var d=a.extend({},a.fn.smoothScroll.defaults,b),e=function(b){var c=function(a){return a.replace(/(:|\.|\/)/g,"\\$1")},e=this,f=a(this),g=a.extend({},d,f.data("ssOpts")||{}),h=d.exclude,i=g.excludeWithin,j=0,k=0,l=!0,m={},n=a.smoothScroll.filterPath(location.pathname),o=a.smoothScroll.filterPath(e.pathname),p=location.hostname===e.hostname||!e.hostname,q=g.scrollTarget||o===n,r=c(e.hash);if(r&&!a(r).length&&(l=!1),g.scrollTarget||p&&q&&r){for(;l&&j<h.length;)f.is(c(h[j++]))&&(l=!1);for(;l&&k<i.length;)f.closest(i[k++]).length&&(l=!1)}else l=!1;l&&(g.preventDefault&&b.preventDefault(),a.extend(m,g,{scrollTarget:g.scrollTarget||r,link:e}),a.smoothScroll(m))};return null!==b.delegateSelector?this.off("click.smoothscroll",b.delegateSelector).on("click.smoothscroll",b.delegateSelector,e):this.off("click.smoothscroll").on("click.smoothscroll",e),this}});var f=function(a){var b={relative:""},c="string"==typeof a&&e.exec(a);return"number"==typeof a?b.px=a:c&&(b.relative=c[1],b.px=parseFloat(c[2])||0),b},g=function(b){var c=a(b.scrollTarget);b.autoFocus&&c.length&&(c[0].focus(),c.is(document.activeElement)||(c.prop({tabIndex:-1}),c[0].focus())),b.afterScroll.call(b.link,b)};a.smoothScroll=function(c,d){if("options"===c&&"object"==typeof d)return a.extend(b,d);var e,h,i,j,k=f(c),l={},m=0,n="offset",o="scrollTop",p={},q={};k.px?e=a.extend({link:null},a.fn.smoothScroll.defaults,b):(e=a.extend({link:null},a.fn.smoothScroll.defaults,c||{},b),e.scrollElement&&(n="position","static"===e.scrollElement.css("position")&&e.scrollElement.css("position","relative")),d&&(k=f(d))),o="left"===e.direction?"scrollLeft":o,e.scrollElement?(h=e.scrollElement,k.px||/^(?:HTML|BODY)$/.test(h[0].nodeName)||(m=h[o]())):h=a("html, body").firstScrollable(e.direction),e.beforeScroll.call(h,e),l=k.px?k:{relative:"",px:a(e.scrollTarget)[n]()&&a(e.scrollTarget)[n]()[e.direction]||0},p[o]=l.relative+(l.px+m+e.offset),i=e.speed,"auto"===i&&(j=Math.abs(p[o]-h[o]()),i=j/e.autoCoefficient),q={duration:i,easing:e.easing,complete:function(){g(e)}},e.step&&(q.step=e.step),h.length?h.stop().animate(p,q):g(e)},a.smoothScroll.version="2.2.0",a.smoothScroll.filterPath=function(a){return a=a||"",a.replace(/^\//,"").replace(/(?:index|default).[a-zA-Z]{3,4}$/,"").replace(/\/$/,"")},a.fn.smoothScroll.defaults=c});
|
||||
632
assets/js/plugins/smooth-scroll.js
vendored
Normal file
632
assets/js/plugins/smooth-scroll.js
vendored
Normal file
|
|
@ -0,0 +1,632 @@
|
|||
/*!
|
||||
* smooth-scroll v15.2.1
|
||||
* Animate scrolling to anchor links
|
||||
* (c) 2019 Chris Ferdinandi
|
||||
* MIT License
|
||||
* http://github.com/cferdinandi/smooth-scroll
|
||||
*/
|
||||
|
||||
(function (root, factory) {
|
||||
if (typeof define === 'function' && define.amd) {
|
||||
define([], (function () {
|
||||
return factory(root);
|
||||
}));
|
||||
} else if (typeof exports === 'object') {
|
||||
module.exports = factory(root);
|
||||
} else {
|
||||
root.SmoothScroll = factory(root);
|
||||
}
|
||||
})(typeof global !== 'undefined' ? global : typeof window !== 'undefined' ? window : this, (function (window) {
|
||||
|
||||
'use strict';
|
||||
|
||||
//
|
||||
// Default settings
|
||||
//
|
||||
|
||||
var defaults = {
|
||||
|
||||
// Selectors
|
||||
ignore: '[data-scroll-ignore]',
|
||||
header: null,
|
||||
topOnEmptyHash: true,
|
||||
|
||||
// Speed & Duration
|
||||
speed: 500,
|
||||
speedAsDuration: false,
|
||||
durationMax: null,
|
||||
durationMin: null,
|
||||
clip: true,
|
||||
offset: 0,
|
||||
|
||||
// Easing
|
||||
easing: 'easeInOutCubic',
|
||||
customEasing: null,
|
||||
|
||||
// History
|
||||
updateURL: true,
|
||||
popstate: true,
|
||||
|
||||
// Custom Events
|
||||
emitEvents: true
|
||||
|
||||
};
|
||||
|
||||
|
||||
//
|
||||
// Utility Methods
|
||||
//
|
||||
|
||||
/**
|
||||
* Check if browser supports required methods
|
||||
* @return {Boolean} Returns true if all required methods are supported
|
||||
*/
|
||||
var supports = function () {
|
||||
return (
|
||||
'querySelector' in document &&
|
||||
'addEventListener' in window &&
|
||||
'requestAnimationFrame' in window &&
|
||||
'closest' in window.Element.prototype
|
||||
);
|
||||
};
|
||||
|
||||
/**
|
||||
* Merge two or more objects together.
|
||||
* @param {Object} objects The objects to merge together
|
||||
* @returns {Object} Merged values of defaults and options
|
||||
*/
|
||||
var extend = function () {
|
||||
var merged = {};
|
||||
Array.prototype.forEach.call(arguments, (function (obj) {
|
||||
for (var key in obj) {
|
||||
if (!obj.hasOwnProperty(key)) return;
|
||||
merged[key] = obj[key];
|
||||
}
|
||||
}));
|
||||
return merged;
|
||||
};
|
||||
|
||||
/**
|
||||
* Check to see if user prefers reduced motion
|
||||
* @param {Object} settings Script settings
|
||||
*/
|
||||
var reduceMotion = function (settings) {
|
||||
if ('matchMedia' in window && window.matchMedia('(prefers-reduced-motion)').matches) {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
};
|
||||
|
||||
/**
|
||||
* Get the height of an element.
|
||||
* @param {Node} elem The element to get the height of
|
||||
* @return {Number} The element's height in pixels
|
||||
*/
|
||||
var getHeight = function (elem) {
|
||||
return parseInt(window.getComputedStyle(elem).height, 10);
|
||||
};
|
||||
|
||||
/**
|
||||
* Escape special characters for use with querySelector
|
||||
* @author Mathias Bynens
|
||||
* @link https://github.com/mathiasbynens/CSS.escape
|
||||
* @param {String} id The anchor ID to escape
|
||||
*/
|
||||
var escapeCharacters = function (id) {
|
||||
|
||||
// Remove leading hash
|
||||
if (id.charAt(0) === '#') {
|
||||
id = id.substr(1);
|
||||
}
|
||||
|
||||
var string = String(id);
|
||||
var length = string.length;
|
||||
var index = -1;
|
||||
var codeUnit;
|
||||
var result = '';
|
||||
var firstCodeUnit = string.charCodeAt(0);
|
||||
while (++index < length) {
|
||||
codeUnit = string.charCodeAt(index);
|
||||
// Note: there’s no need to special-case astral symbols, surrogate
|
||||
// pairs, or lone surrogates.
|
||||
|
||||
// If the character is NULL (U+0000), then throw an
|
||||
// `InvalidCharacterError` exception and terminate these steps.
|
||||
if (codeUnit === 0x0000) {
|
||||
throw new InvalidCharacterError(
|
||||
'Invalid character: the input contains U+0000.'
|
||||
);
|
||||
}
|
||||
|
||||
if (
|
||||
// If the character is in the range [\1-\1F] (U+0001 to U+001F) or is
|
||||
// U+007F, […]
|
||||
(codeUnit >= 0x0001 && codeUnit <= 0x001F) || codeUnit == 0x007F ||
|
||||
// If the character is the first character and is in the range [0-9]
|
||||
// (U+0030 to U+0039), […]
|
||||
(index === 0 && codeUnit >= 0x0030 && codeUnit <= 0x0039) ||
|
||||
// If the character is the second character and is in the range [0-9]
|
||||
// (U+0030 to U+0039) and the first character is a `-` (U+002D), […]
|
||||
(
|
||||
index === 1 &&
|
||||
codeUnit >= 0x0030 && codeUnit <= 0x0039 &&
|
||||
firstCodeUnit === 0x002D
|
||||
)
|
||||
) {
|
||||
// http://dev.w3.org/csswg/cssom/#escape-a-character-as-code-point
|
||||
result += '\\' + codeUnit.toString(16) + ' ';
|
||||
continue;
|
||||
}
|
||||
|
||||
// If the character is not handled by one of the above rules and is
|
||||
// greater than or equal to U+0080, is `-` (U+002D) or `_` (U+005F), or
|
||||
// is in one of the ranges [0-9] (U+0030 to U+0039), [A-Z] (U+0041 to
|
||||
// U+005A), or [a-z] (U+0061 to U+007A), […]
|
||||
if (
|
||||
codeUnit >= 0x0080 ||
|
||||
codeUnit === 0x002D ||
|
||||
codeUnit === 0x005F ||
|
||||
codeUnit >= 0x0030 && codeUnit <= 0x0039 ||
|
||||
codeUnit >= 0x0041 && codeUnit <= 0x005A ||
|
||||
codeUnit >= 0x0061 && codeUnit <= 0x007A
|
||||
) {
|
||||
// the character itself
|
||||
result += string.charAt(index);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Otherwise, the escaped character.
|
||||
// http://dev.w3.org/csswg/cssom/#escape-a-character
|
||||
result += '\\' + string.charAt(index);
|
||||
|
||||
}
|
||||
|
||||
// Return sanitized hash
|
||||
return '#' + result;
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Calculate the easing pattern
|
||||
* @link https://gist.github.com/gre/1650294
|
||||
* @param {String} type Easing pattern
|
||||
* @param {Number} time Time animation should take to complete
|
||||
* @returns {Number}
|
||||
*/
|
||||
var easingPattern = function (settings, time) {
|
||||
var pattern;
|
||||
|
||||
// Default Easing Patterns
|
||||
if (settings.easing === 'easeInQuad') pattern = time * time; // accelerating from zero velocity
|
||||
if (settings.easing === 'easeOutQuad') pattern = time * (2 - time); // decelerating to zero velocity
|
||||
if (settings.easing === 'easeInOutQuad') pattern = time < 0.5 ? 2 * time * time : -1 + (4 - 2 * time) * time; // acceleration until halfway, then deceleration
|
||||
if (settings.easing === 'easeInCubic') pattern = time * time * time; // accelerating from zero velocity
|
||||
if (settings.easing === 'easeOutCubic') pattern = (--time) * time * time + 1; // decelerating to zero velocity
|
||||
if (settings.easing === 'easeInOutCubic') pattern = time < 0.5 ? 4 * time * time * time : (time - 1) * (2 * time - 2) * (2 * time - 2) + 1; // acceleration until halfway, then deceleration
|
||||
if (settings.easing === 'easeInQuart') pattern = time * time * time * time; // accelerating from zero velocity
|
||||
if (settings.easing === 'easeOutQuart') pattern = 1 - (--time) * time * time * time; // decelerating to zero velocity
|
||||
if (settings.easing === 'easeInOutQuart') pattern = time < 0.5 ? 8 * time * time * time * time : 1 - 8 * (--time) * time * time * time; // acceleration until halfway, then deceleration
|
||||
if (settings.easing === 'easeInQuint') pattern = time * time * time * time * time; // accelerating from zero velocity
|
||||
if (settings.easing === 'easeOutQuint') pattern = 1 + (--time) * time * time * time * time; // decelerating to zero velocity
|
||||
if (settings.easing === 'easeInOutQuint') pattern = time < 0.5 ? 16 * time * time * time * time * time : 1 + 16 * (--time) * time * time * time * time; // acceleration until halfway, then deceleration
|
||||
|
||||
// Custom Easing Patterns
|
||||
if (!!settings.customEasing) pattern = settings.customEasing(time);
|
||||
|
||||
return pattern || time; // no easing, no acceleration
|
||||
};
|
||||
|
||||
/**
|
||||
* Determine the document's height
|
||||
* @returns {Number}
|
||||
*/
|
||||
var getDocumentHeight = function () {
|
||||
return Math.max(
|
||||
document.body.scrollHeight, document.documentElement.scrollHeight,
|
||||
document.body.offsetHeight, document.documentElement.offsetHeight,
|
||||
document.body.clientHeight, document.documentElement.clientHeight
|
||||
);
|
||||
};
|
||||
|
||||
/**
|
||||
* Calculate how far to scroll
|
||||
* Clip support added by robjtede - https://github.com/cferdinandi/smooth-scroll/issues/405
|
||||
* @param {Element} anchor The anchor element to scroll to
|
||||
* @param {Number} headerHeight Height of a fixed header, if any
|
||||
* @param {Number} offset Number of pixels by which to offset scroll
|
||||
* @param {Boolean} clip If true, adjust scroll distance to prevent abrupt stops near the bottom of the page
|
||||
* @returns {Number}
|
||||
*/
|
||||
var getEndLocation = function (anchor, headerHeight, offset, clip) {
|
||||
var location = 0;
|
||||
if (anchor.offsetParent) {
|
||||
do {
|
||||
location += anchor.offsetTop;
|
||||
anchor = anchor.offsetParent;
|
||||
} while (anchor);
|
||||
}
|
||||
location = Math.max(location - headerHeight - offset, 0);
|
||||
if (clip) {
|
||||
location = Math.min(location, getDocumentHeight() - window.innerHeight);
|
||||
}
|
||||
return location;
|
||||
};
|
||||
|
||||
/**
|
||||
* Get the height of the fixed header
|
||||
* @param {Node} header The header
|
||||
* @return {Number} The height of the header
|
||||
*/
|
||||
var getHeaderHeight = function (header) {
|
||||
return !header ? 0 : (getHeight(header) + header.offsetTop);
|
||||
};
|
||||
|
||||
/**
|
||||
* Calculate the speed to use for the animation
|
||||
* @param {Number} distance The distance to travel
|
||||
* @param {Object} settings The plugin settings
|
||||
* @return {Number} How fast to animate
|
||||
*/
|
||||
var getSpeed = function (distance, settings) {
|
||||
var speed = settings.speedAsDuration ? settings.speed : Math.abs(distance / 1000 * settings.speed);
|
||||
if (settings.durationMax && speed > settings.durationMax) return settings.durationMax;
|
||||
if (settings.durationMin && speed < settings.durationMin) return settings.durationMin;
|
||||
return parseInt(speed, 10);
|
||||
};
|
||||
|
||||
var setHistory = function (options) {
|
||||
|
||||
// Make sure this should run
|
||||
if (!history.replaceState || !options.updateURL || history.state) return;
|
||||
|
||||
// Get the hash to use
|
||||
var hash = window.location.hash;
|
||||
hash = hash ? hash : '';
|
||||
|
||||
// Set a default history
|
||||
history.replaceState(
|
||||
{
|
||||
smoothScroll: JSON.stringify(options),
|
||||
anchor: hash ? hash : window.pageYOffset
|
||||
},
|
||||
document.title,
|
||||
hash ? hash : window.location.href
|
||||
);
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Update the URL
|
||||
* @param {Node} anchor The anchor that was scrolled to
|
||||
* @param {Boolean} isNum If true, anchor is a number
|
||||
* @param {Object} options Settings for Smooth Scroll
|
||||
*/
|
||||
var updateURL = function (anchor, isNum, options) {
|
||||
|
||||
// Bail if the anchor is a number
|
||||
if (isNum) return;
|
||||
|
||||
// Verify that pushState is supported and the updateURL option is enabled
|
||||
if (!history.pushState || !options.updateURL) return;
|
||||
|
||||
// Update URL
|
||||
history.pushState(
|
||||
{
|
||||
smoothScroll: JSON.stringify(options),
|
||||
anchor: anchor.id
|
||||
},
|
||||
document.title,
|
||||
anchor === document.documentElement ? '#top' : '#' + anchor.id
|
||||
);
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Bring the anchored element into focus
|
||||
* @param {Node} anchor The anchor element
|
||||
* @param {Number} endLocation The end location to scroll to
|
||||
* @param {Boolean} isNum If true, scroll is to a position rather than an element
|
||||
*/
|
||||
var adjustFocus = function (anchor, endLocation, isNum) {
|
||||
|
||||
// Is scrolling to top of page, blur
|
||||
if (anchor === 0) {
|
||||
document.body.focus();
|
||||
}
|
||||
|
||||
// Don't run if scrolling to a number on the page
|
||||
if (isNum) return;
|
||||
|
||||
// Otherwise, bring anchor element into focus
|
||||
anchor.focus();
|
||||
if (document.activeElement !== anchor) {
|
||||
anchor.setAttribute('tabindex', '-1');
|
||||
anchor.focus();
|
||||
anchor.style.outline = 'none';
|
||||
}
|
||||
window.scrollTo(0 , endLocation);
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Emit a custom event
|
||||
* @param {String} type The event type
|
||||
* @param {Object} options The settings object
|
||||
* @param {Node} anchor The anchor element
|
||||
* @param {Node} toggle The toggle element
|
||||
*/
|
||||
var emitEvent = function (type, options, anchor, toggle) {
|
||||
if (!options.emitEvents || typeof window.CustomEvent !== 'function') return;
|
||||
var event = new CustomEvent(type, {
|
||||
bubbles: true,
|
||||
detail: {
|
||||
anchor: anchor,
|
||||
toggle: toggle
|
||||
}
|
||||
});
|
||||
document.dispatchEvent(event);
|
||||
};
|
||||
|
||||
|
||||
//
|
||||
// SmoothScroll Constructor
|
||||
//
|
||||
|
||||
var SmoothScroll = function (selector, options) {
|
||||
|
||||
//
|
||||
// Variables
|
||||
//
|
||||
|
||||
var smoothScroll = {}; // Object for public APIs
|
||||
var settings, anchor, toggle, fixedHeader, eventTimeout, animationInterval;
|
||||
|
||||
|
||||
//
|
||||
// Methods
|
||||
//
|
||||
|
||||
/**
|
||||
* Cancel a scroll-in-progress
|
||||
*/
|
||||
smoothScroll.cancelScroll = function (noEvent) {
|
||||
cancelAnimationFrame(animationInterval);
|
||||
animationInterval = null;
|
||||
if (noEvent) return;
|
||||
emitEvent('scrollCancel', settings);
|
||||
};
|
||||
|
||||
/**
|
||||
* Start/stop the scrolling animation
|
||||
* @param {Node|Number} anchor The element or position to scroll to
|
||||
* @param {Element} toggle The element that toggled the scroll event
|
||||
* @param {Object} options
|
||||
*/
|
||||
smoothScroll.animateScroll = function (anchor, toggle, options) {
|
||||
|
||||
// Cancel any in progress scrolls
|
||||
smoothScroll.cancelScroll();
|
||||
|
||||
// Local settings
|
||||
var _settings = extend(settings || defaults, options || {}); // Merge user options with defaults
|
||||
|
||||
// Selectors and variables
|
||||
var isNum = Object.prototype.toString.call(anchor) === '[object Number]' ? true : false;
|
||||
var anchorElem = isNum || !anchor.tagName ? null : anchor;
|
||||
if (!isNum && !anchorElem) return;
|
||||
var startLocation = window.pageYOffset; // Current location on the page
|
||||
if (_settings.header && !fixedHeader) {
|
||||
// Get the fixed header if not already set
|
||||
fixedHeader = document.querySelector(_settings.header);
|
||||
}
|
||||
var headerHeight = getHeaderHeight(fixedHeader);
|
||||
var endLocation = isNum ? anchor : getEndLocation(anchorElem, headerHeight, parseInt((typeof _settings.offset === 'function' ? _settings.offset(anchor, toggle) : _settings.offset), 10), _settings.clip); // Location to scroll to
|
||||
var distance = endLocation - startLocation; // distance to travel
|
||||
var documentHeight = getDocumentHeight();
|
||||
var timeLapsed = 0;
|
||||
var speed = getSpeed(distance, _settings);
|
||||
var start, percentage, position;
|
||||
|
||||
/**
|
||||
* Stop the scroll animation when it reaches its target (or the bottom/top of page)
|
||||
* @param {Number} position Current position on the page
|
||||
* @param {Number} endLocation Scroll to location
|
||||
* @param {Number} animationInterval How much to scroll on this loop
|
||||
*/
|
||||
var stopAnimateScroll = function (position, endLocation) {
|
||||
|
||||
// Get the current location
|
||||
var currentLocation = window.pageYOffset;
|
||||
|
||||
// Check if the end location has been reached yet (or we've hit the end of the document)
|
||||
if (position == endLocation || currentLocation == endLocation || ((startLocation < endLocation && window.innerHeight + currentLocation) >= documentHeight)) {
|
||||
|
||||
// Clear the animation timer
|
||||
smoothScroll.cancelScroll(true);
|
||||
|
||||
// Bring the anchored element into focus
|
||||
adjustFocus(anchor, endLocation, isNum);
|
||||
|
||||
// Emit a custom event
|
||||
emitEvent('scrollStop', _settings, anchor, toggle);
|
||||
|
||||
// Reset start
|
||||
start = null;
|
||||
animationInterval = null;
|
||||
|
||||
return true;
|
||||
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Loop scrolling animation
|
||||
*/
|
||||
var loopAnimateScroll = function (timestamp) {
|
||||
if (!start) { start = timestamp; }
|
||||
timeLapsed += timestamp - start;
|
||||
percentage = speed === 0 ? 0 : (timeLapsed / speed);
|
||||
percentage = (percentage > 1) ? 1 : percentage;
|
||||
position = startLocation + (distance * easingPattern(_settings, percentage));
|
||||
window.scrollTo(0, Math.floor(position));
|
||||
if (!stopAnimateScroll(position, endLocation)) {
|
||||
animationInterval = window.requestAnimationFrame(loopAnimateScroll);
|
||||
start = timestamp;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Reset position to fix weird iOS bug
|
||||
* @link https://github.com/cferdinandi/smooth-scroll/issues/45
|
||||
*/
|
||||
if (window.pageYOffset === 0) {
|
||||
window.scrollTo(0, 0);
|
||||
}
|
||||
|
||||
// Update the URL
|
||||
updateURL(anchor, isNum, _settings);
|
||||
|
||||
// Emit a custom event
|
||||
emitEvent('scrollStart', _settings, anchor, toggle);
|
||||
|
||||
// Start scrolling animation
|
||||
smoothScroll.cancelScroll(true);
|
||||
window.requestAnimationFrame(loopAnimateScroll);
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* If smooth scroll element clicked, animate scroll
|
||||
*/
|
||||
var clickHandler = function (event) {
|
||||
|
||||
// Don't run if the user prefers reduced motion
|
||||
if (reduceMotion(settings)) return;
|
||||
|
||||
// Don't run if right-click or command/control + click
|
||||
if (event.button !== 0 || event.metaKey || event.ctrlKey) return;
|
||||
|
||||
// Check if event.target has closest() method
|
||||
// By @totegi - https://github.com/cferdinandi/smooth-scroll/pull/401/
|
||||
if(!('closest' in event.target))return;
|
||||
|
||||
// Check if a smooth scroll link was clicked
|
||||
toggle = event.target.closest(selector);
|
||||
if (!toggle || toggle.tagName.toLowerCase() !== 'a' || event.target.closest(settings.ignore)) return;
|
||||
|
||||
// Only run if link is an anchor and points to the current page
|
||||
if (toggle.hostname !== window.location.hostname || toggle.pathname !== window.location.pathname || !/#/.test(toggle.href)) return;
|
||||
|
||||
// Get an escaped version of the hash
|
||||
var hash = escapeCharacters(toggle.hash);
|
||||
|
||||
// Get the anchored element
|
||||
var anchor = settings.topOnEmptyHash && hash === '#' ? document.documentElement : document.querySelector(hash);
|
||||
anchor = !anchor && hash === '#top' ? document.documentElement : anchor;
|
||||
|
||||
// If anchored element exists, scroll to it
|
||||
if (!anchor) return;
|
||||
event.preventDefault();
|
||||
setHistory(settings);
|
||||
smoothScroll.animateScroll(anchor, toggle);
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Animate scroll on popstate events
|
||||
*/
|
||||
var popstateHandler = function (event) {
|
||||
|
||||
// Stop if history.state doesn't exist (ex. if clicking on a broken anchor link).
|
||||
// fixes `Cannot read property 'smoothScroll' of null` error getting thrown.
|
||||
if (history.state === null) return;
|
||||
|
||||
// Only run if state is a popstate record for this instantiation
|
||||
if (!history.state.smoothScroll || history.state.smoothScroll !== JSON.stringify(settings)) return;
|
||||
|
||||
// Only run if state includes an anchor
|
||||
|
||||
// if (!history.state.anchor && history.state.anchor !== 0) return;
|
||||
|
||||
// Get the anchor
|
||||
var anchor = history.state.anchor;
|
||||
if (typeof anchor === 'string' && anchor) {
|
||||
anchor = document.querySelector(escapeCharacters(history.state.anchor));
|
||||
if (!anchor) return;
|
||||
}
|
||||
|
||||
// Animate scroll to anchor link
|
||||
smoothScroll.animateScroll(anchor, null, {updateURL: false});
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Destroy the current initialization.
|
||||
*/
|
||||
smoothScroll.destroy = function () {
|
||||
|
||||
// If plugin isn't already initialized, stop
|
||||
if (!settings) return;
|
||||
|
||||
// Remove event listeners
|
||||
document.removeEventListener('click', clickHandler, false);
|
||||
window.removeEventListener('popstate', popstateHandler, false);
|
||||
|
||||
// Cancel any scrolls-in-progress
|
||||
smoothScroll.cancelScroll();
|
||||
|
||||
// Reset variables
|
||||
settings = null;
|
||||
anchor = null;
|
||||
toggle = null;
|
||||
fixedHeader = null;
|
||||
eventTimeout = null;
|
||||
animationInterval = null;
|
||||
|
||||
};
|
||||
|
||||
/**
|
||||
* Initialize Smooth Scroll
|
||||
* @param {Object} options User settings
|
||||
*/
|
||||
smoothScroll.init = function (options) {
|
||||
|
||||
// feature test
|
||||
if (!supports()) throw 'Smooth Scroll: This browser does not support the required JavaScript methods and browser APIs.';
|
||||
|
||||
// Destroy any existing initializations
|
||||
smoothScroll.destroy();
|
||||
|
||||
// Selectors and variables
|
||||
settings = extend(defaults, options || {}); // Merge user options with defaults
|
||||
fixedHeader = settings.header ? document.querySelector(settings.header) : null; // Get the fixed header
|
||||
|
||||
// When a toggle is clicked, run the click handler
|
||||
document.addEventListener('click', clickHandler, false);
|
||||
|
||||
// If updateURL and popState are enabled, listen for pop events
|
||||
if (settings.updateURL && settings.popstate) {
|
||||
window.addEventListener('popstate', popstateHandler, false);
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
|
||||
//
|
||||
// Initialize plugin
|
||||
//
|
||||
|
||||
smoothScroll.init(options);
|
||||
|
||||
|
||||
//
|
||||
// Public APIs
|
||||
//
|
||||
|
||||
return smoothScroll;
|
||||
|
||||
};
|
||||
|
||||
return SmoothScroll;
|
||||
|
||||
}));
|
||||
|
|
@ -26,7 +26,7 @@
|
|||
"uglify-js": "^3.4.9"
|
||||
},
|
||||
"scripts": {
|
||||
"uglify": "uglifyjs assets/js/vendor/jquery/jquery-3.3.1.min.js assets/js/plugins/jquery.fitvids.js assets/js/plugins/jquery.greedy-navigation.js assets/js/plugins/jquery.magnific-popup.js assets/js/plugins/jquery.smooth-scroll.min.js assets/js/plugins/jquery.ba-throttle-debounce.js assets/js/_main.js -c -m -o assets/js/main.min.js",
|
||||
"uglify": "uglifyjs assets/js/vendor/jquery/jquery-3.3.1.min.js assets/js/plugins/jquery.fitvids.js assets/js/plugins/jquery.greedy-navigation.js assets/js/plugins/jquery.magnific-popup.js assets/js/plugins/jquery.ba-throttle-debounce.js assets/js/plugins/smooth-scroll.js assets/js/plugins/gumshoe.js assets/js/_main.js -c -m -o assets/js/main.min.js",
|
||||
"add-banner": "node banner.js",
|
||||
"watch:js": "onchange \"assets/js/**/*.js\" -e \"assets/js/main.min.js\" -- npm run build:js",
|
||||
"build:js": "npm run uglify && npm run add-banner"
|
||||
|
|
|
|||
|
|
@ -10,7 +10,9 @@ tags:
|
|||
|
||||
You'll find this post in your `_posts` directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in [many different ways](https://jekyllrb.com/docs/usage/), but the most common way is to run `jekyll serve`, which launches a web server and auto-regenerates your site when a file is updated.
|
||||
|
||||
To add new posts, simply add a file in the `_posts` directory that follows the convention `YYYY-MM-DD-name-of-post.ext` and includes the necessary front matter. Take a look at the source for this post to get an idea about how it works.
|
||||
To add new posts, simply add a file in the `_posts`[^posts] directory that follows the convention `YYYY-MM-DD-name-of-post.ext` and includes the necessary front matter. Take a look at the source for this post to get an idea about how it works.
|
||||
|
||||
[^posts]: Footnote test.
|
||||
|
||||
Jekyll also offers powerful support for code snippets:
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue