/**
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* Modified version of https://unpkg.com/twemoji@13.1.0/dist/twemoji.esm.js.
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* Ported from https://github.com/vercel/satori/blob/48aea6f812365959c2888a25261c72ce17992c6d/playground/utils/twemoji.ts.
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*/
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/*! Copyright Twitter Inc. and other contributors. Licensed under MIT */
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const U200D = String.fromCharCode(8205)
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const UFE0Fg = /\uFE0F/g
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export function getIconCode(char: string) {
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return toCodePoint(char.indexOf(U200D) < 0 ? char.replace(UFE0Fg, "") : char)
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}
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function toCodePoint(unicodeSurrogates: string) {
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const r = []
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let c = 0,
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p = 0,
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i = 0
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while (i < unicodeSurrogates.length) {
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c = unicodeSurrogates.charCodeAt(i++)
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if (p) {
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r.push((65536 + ((p - 55296) << 10) + (c - 56320)).toString(16))
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p = 0
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} else if (55296 <= c && c <= 56319) {
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p = c
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} else {
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r.push(c.toString(16))
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}
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}
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return r.join("-")
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}
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export const apis = {
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twemoji: (code: string) =>
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"https://cdnjs.cloudflare.com/ajax/libs/twemoji/15.1.0/svg/" + code.toLowerCase() + ".svg",
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openmoji: "https://cdn.jsdelivr.net/npm/@svgmoji/openmoji@3.2.0/svg/",
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blobmoji: "https://cdn.jsdelivr.net/npm/@svgmoji/blob@3.2.0/svg/",
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noto: "https://cdn.jsdelivr.net/gh/svgmoji/svgmoji/packages/svgmoji__noto/svg/",
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fluent: (code: string) =>
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"https://cdn.jsdelivr.net/gh/shuding/fluentui-emoji-unicode/assets/" +
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code.toLowerCase() +
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"_color.svg",
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fluentFlat: (code: string) =>
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"https://cdn.jsdelivr.net/gh/shuding/fluentui-emoji-unicode/assets/" +
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code.toLowerCase() +
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"_flat.svg",
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}
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const emojiCache: Record<string, Promise<any>> = {}
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export function loadEmoji(type: keyof typeof apis, code: string) {
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const key = type + ":" + code
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if (key in emojiCache) return emojiCache[key]
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if (!type || !apis[type]) {
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type = "twemoji"
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}
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const api = apis[type]
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if (typeof api === "function") {
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return (emojiCache[key] = fetch(api(code)).then((r) => r.text()))
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}
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return (emojiCache[key] = fetch(`${api}${code.toUpperCase()}.svg`).then((r) => r.text()))
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}
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