f.weber/jekyll-theme-chirpy
Template
1
0
Fork 0
mirror of https://github.com/cotes2020/jekyll-theme-chirpy.git synced 2025-12-18 13:44:15 +00:00
Code Issues Packages Releases Activity

Improve the smooth scrolling

Browse Source 
- Add smooth scrolling to the footnotes
- Add hash to URL
This commit is contained in:
Cotes Chung
2020-12-31 21:37:17 +08:00
parent ca2194770c
commit 3c72298563
2 changed files with 65 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
assets/js/_utils/smooth-scroll.js
View File

@@ -13,30 +13,68 @@ $(function() {
.not("[href='#0']")
.click(function(event) {
if (location.pathname.replace(/^\//, "") === this.pathname.replace(/^\//, "")
&& location.hostname === this.hostname) {
if (location.pathname.replace(/^\//, "") === this.pathname.replace(/^\//, "")
&& location.hostname === this.hostname) {
var target = $(decodeURI(this.hash));
const REM = 16; /* 16px */
if (target.length) {
const hash = decodeURI(this.hash);
let isFnRef = RegExp(/^#fnref:/).test(hash);
let isFn = RegExp(/^#fn:/).test(hash);
let selector = hash.includes(":") ? hash.replace(/\:/, "\\:") : hash;
const target = $(selector);
event.preventDefault();
if (target.length) {
event.preventDefault();
$("html, body").animate({
scrollTop: target.offset().top
}, 800, function() {
var $target = $(target);
$target.focus();
if ($target.is(":focus")) { /* Checking if the target was focused */
return false;
} else {
$target.attr("tabindex", "-1"); /* Adding tabindex for elements not focusable */
$target.focus(); /* Set focus again */
if (history.pushState) { /* add hash to URL */
history.pushState(null, null, hash);
}
});
}
}
}); /* click() */
let curOffset = $(this).offset().top;
let destOffset = target.offset().top;
const scrollUp = (destOffset < curOffset);
const topbarHeight = $("#topbar-wrapper").outerHeight();
if (scrollUp && isFnRef) {
/* Avoid the top-bar covering `fnref` when scrolling up
because `fnref` has no `%anchor`(see: module.scss) style. */
destOffset -= (topbarHeight + REM / 2);
}
$("html,body").animate({
scrollTop: destOffset
}, 800, () => {
var $target = $(target);
$target.focus();
const SCROLL_MARK = "scroll-focus";
/* clean up old scroll mark */
if ($(`[${ SCROLL_MARK }=true]`).length) {
$(`[${ SCROLL_MARK }=true]`).attr(SCROLL_MARK, false);
}
/* Clean :target links */
if ($(":target").length) { /* element that visited by the URL with hash */
$(":target").attr(SCROLL_MARK, false);
}
/* set scroll mark to footnotes */
if (isFn || isFnRef) {
$target.attr(SCROLL_MARK, true);
}
if ($target.is(":focus")) { /* Checking if the target was focused */
return false;
} else {
$target.attr("tabindex", "-1"); /* Adding tabindex for elements not focusable */
$target.focus(); /* Set focus again */
}
});
}
}
}); /* click() */
});