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feat: add dynamic indentation for table of contents items #48

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feat: add dynamic indentation for table of contents items #48

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19 changes: 17 additions & 2 deletions www/src/components/table-of-contents.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,19 @@ import { HTMLAttributes, useCallback, useEffect } from "react"

interface TableOfContentsProps extends HTMLAttributes<HTMLDivElement> {}

const getIndentationClass = (level: number) => {
switch (level) {
case 2:
return "pl-4"
case 3:
return "pl-8"
case 4:
return "pl-12"
default:
return "pl-4"
}
}

export const TableOfContents = ({
className,
...props
Expand Down Expand Up @@ -38,14 +51,15 @@ export const TableOfContents = ({
return (
<div className="antialiased">
<div className={cn("text-sm/7 relative", className)} {...props}>
<p className="text-sm/7 font-semibold text-muted-light pl-4 ">
<p className="text-sm/7 font-semibold text-muted-light pl-4">
On this page
</p>
<ul>
{allHeadings.map((heading, i) => {
const isVisible = visibleSections.some(
(section) => section === slugify(heading.text),
)
const indentClass = getIndentationClass(heading.level)

return (
<li key={i} className="leading-relaxed py-1">
Expand All @@ -62,7 +76,8 @@ export const TableOfContents = ({
/>
<p
className={cn(
"text-muted-dark hover:text-muted-light transition pl-4 py-1",
"text-muted-dark hover:text-muted-light transition py-1",
indentClass,
{
"text-muted-light": isVisible,
},
Expand Down