Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | 1x 1x 1x 1x 1x 1x 1x 1x | import { Tippy } from "../grapher/chart/Tippy"
import { parseIntOrUndefined } from "../clientUtils/Util"
import React from "react"
import ReactDOM from "react-dom"
export const Footnote = ({
index,
htmlContent,
triggerTarget,
}: {
index: number
htmlContent?: string
triggerTarget?: Element
}) => {
const onEvent = (instance: any, event: Event) => {
if (event.type === "click") event.preventDefault()
}
return (
<Tippy
appendTo={() => document.body}
content={
htmlContent && (
<div>
<div
dangerouslySetInnerHTML={{
__html: htmlContent,
}}
/>
</div>
)
}
interactive
placement="auto"
theme="owid-footnote"
trigger="mouseenter focus click"
triggerTarget={triggerTarget}
onTrigger={onEvent}
onUntrigger={onEvent}
>
<sup>{index}</sup>
</Tippy>
)
}
interface FootnoteContent {
index: number
href: string
htmlContent: string
}
function getFootnoteContent(element: Element): FootnoteContent | null {
const href = element.closest("a.ref")?.getAttribute("href")
if (!href) return null
const index = parseIntOrUndefined(href.split("-")[1])
if (index === undefined) return null
const referencedEl = document.querySelector(href)
if (!referencedEl?.innerHTML) return null
return { index, href, htmlContent: referencedEl.innerHTML }
}
export function runFootnotes() {
const footnotes = document.querySelectorAll("a.ref")
footnotes.forEach((f) => {
const footnoteContent = getFootnoteContent(f)
if (footnoteContent == null) return
ReactDOM.hydrate(
<Footnote
index={footnoteContent.index}
htmlContent={footnoteContent.htmlContent}
triggerTarget={f}
/>,
f
)
})
}
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