Add heading anchor links

This commit is contained in:
Daniel Flanagan 2022-03-09 10:23:26 -06:00
parent eff695f1fc
commit b5533b0e06
Signed by: lytedev
GPG Key ID: 5B2020A0F9921EF4
2 changed files with 66 additions and 17 deletions

View File

@ -34,6 +34,30 @@ body
> h1, > h2, > h3, > h4, > h5, > h6 { color: var(--heading-fg) }
*:first-child { margin-top: 0 }
> h1, > h2, > h3, > h4, > h5, > h6
.anchor-link
padding-left 0.5em
font-weight normal
font-size 75%
text-decoration none
display none
position absolute
&:hover
.anchor-link
display inline-flex
@media (max-width: 600px)
> h1, > h2, > h3, > h4, > h5, > h6
.anchor-link
padding-right 0.25em
font-weight normal
font-size 75%
text-decoration none
display inline-flex
position absolute
right 0
> p code
padding 0.1em 0.25em
border-radius 0.25em

View File

@ -1,35 +1,60 @@
const body = document.body
const queryAll = sel => document.querySelectorAll(sel)
const initTheme = () => {
const curTheme = localStorage.getItem("theme")
const oldTheme = curTheme == "dark" ? "light" : "dark"
document.body.classList.add(`${curTheme}-theme`)
document.body.classList.remove(`${oldTheme}-theme`)
const curTheme = localStorage.getItem('theme')
const oldTheme = curTheme == 'dark' ? 'light' : 'dark'
body.classList.add(`${curTheme}-theme`)
body.classList.remove(`${oldTheme}-theme`)
}
if (localStorage.getItem("theme") === null) {
localStorage.setItem("theme", window.matchMedia("(prefers-color-scheme: dark)").matches ? "dark" : "light")
if (localStorage.getItem('theme') === null) {
localStorage.setItem('theme', window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light')
}
initTheme()
const toggleTheme = ev => {
localStorage.setItem("theme", localStorage.getItem("theme") == "dark" ? "light" : "dark")
localStorage.setItem('theme', localStorage.getItem('theme') == 'dark' ? 'light' : 'dark')
initTheme()
if (!!ev.target) ev.preventDefault()
return false
}
document.querySelectorAll(".theme-toggler").forEach(a => a.addEventListener("click", toggleTheme))
document.querySelectorAll(".js-only").forEach(a => a.classList.remove("js-only"))
document.querySelectorAll(".js-disabled-only").forEach(a => a.remove())
queryAll('.theme-toggler').forEach(a => a.addEventListener('click', toggleTheme))
queryAll('.js-only').forEach(a => a.classList.remove('js-only'))
queryAll('.js-disabled-only').forEach(a => a.remove())
const initAlign = () => {
const cur = localStorage.getItem("align")
const prev = cur == "center" ? "left" : "center"
document.body.classList.add("align-" + cur)
document.body.classList.remove("align-" + prev)
const cur = localStorage.getItem('align')
const prev = cur == 'center' ? 'left' : 'center'
body.classList.add('align-' + cur)
body.classList.remove('align-' + prev)
}
if (localStorage.getItem("align") === null) localStorage.setItem("align", "center")
if (localStorage.getItem('align') === null) localStorage.setItem('align', 'center')
initAlign()
const toggleAlign = ev => {
localStorage.setItem("align", localStorage.getItem("align") == "center" ? "left" : "center")
localStorage.setItem('align', localStorage.getItem('align') == 'center' ? 'left' : 'center')
initAlign()
if (!!ev.target) ev.preventDefault()
return false
}
document.querySelectorAll(".align-toggler").forEach(a => a.addEventListener("click", toggleAlign))
queryAll('.align-toggler').forEach(a => a.addEventListener('click', toggleAlign))
window.addEventListener('load', _ev => {
console.log('loaded')
const selector = [1, 2, 3, 4, 5, 6].map(n => `h${n}[id]`).join(',')
console.log(selector)
queryAll(selector).forEach(el => {
console.log(el)
const anchorLink = document.createElement('a')
anchorLink.classList.add('anchor-link')
anchorLink.textContent = '§'
anchorLink.href = `#${el.id}`
el.appendChild(anchorLink)
})
})