52 lines
2.4 KiB
TypeScript
52 lines
2.4 KiB
TypeScript
/**
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* Country helpers for the profile country field.
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*
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* We store ISO-3166-1 alpha-2 codes (e.g. "IN") on the account and render
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* human names with the platform's `Intl.DisplayNames` so labels localise
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* for free and we don't ship a 250-entry name table. The code list below
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* is the static ISO alpha-2 set; names are derived at module load.
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*/
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// ISO-3166-1 alpha-2 codes (officially assigned).
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const CODES: string[] = [
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"AD","AE","AF","AG","AI","AL","AM","AO","AQ","AR","AS","AT","AU","AW","AX","AZ",
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"BA","BB","BD","BE","BF","BG","BH","BI","BJ","BL","BM","BN","BO","BQ","BR","BS",
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"BT","BV","BW","BY","BZ","CA","CC","CD","CF","CG","CH","CI","CK","CL","CM","CN",
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"CO","CR","CU","CV","CW","CX","CY","CZ","DE","DJ","DK","DM","DO","DZ","EC","EE",
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"EG","EH","ER","ES","ET","FI","FJ","FK","FM","FO","FR","GA","GB","GD","GE","GF",
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"GG","GH","GI","GL","GM","GN","GP","GQ","GR","GS","GT","GU","GW","GY","HK","HM",
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"HN","HR","HT","HU","ID","IE","IL","IM","IN","IO","IQ","IR","IS","IT","JE","JM",
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"JO","JP","KE","KG","KH","KI","KM","KN","KP","KR","KW","KY","KZ","LA","LB","LC",
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"LI","LK","LR","LS","LT","LU","LV","LY","MA","MC","MD","ME","MF","MG","MH","MK",
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"ML","MM","MN","MO","MP","MQ","MR","MS","MT","MU","MV","MW","MX","MY","MZ","NA",
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"NC","NE","NF","NG","NI","NL","NO","NP","NR","NU","NZ","OM","PA","PE","PF","PG",
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"PH","PK","PL","PM","PN","PR","PS","PT","PW","PY","QA","RE","RO","RS","RU","RW",
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"SA","SB","SC","SD","SE","SG","SH","SI","SJ","SK","SL","SM","SN","SO","SR","SS",
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"ST","SV","SX","SY","SZ","TC","TD","TF","TG","TH","TJ","TK","TL","TM","TN","TO",
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"TR","TT","TV","TW","TZ","UA","UG","UM","US","UY","UZ","VA","VC","VE","VG","VI",
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"VN","VU","WF","WS","YE","YT","ZA","ZM","ZW",
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];
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const regionNames =
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typeof Intl !== "undefined" && "DisplayNames" in Intl
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? new Intl.DisplayNames(["en"], { type: "region" })
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: null;
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/** Localized country name for an ISO-2 code, or null when the code is
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* empty/unknown. Falls back to the raw code if the platform can't name it. */
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export function countryName(code: string | null | undefined): string | null {
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if (!code) return null;
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const cc = code.toUpperCase();
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try {
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return regionNames?.of(cc) ?? cc;
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} catch {
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return cc;
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}
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}
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/** `{ code, name }` for every country, sorted by name — feeds the picker. */
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export const COUNTRIES: { code: string; name: string }[] = CODES.map((c) => ({
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code: c,
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name: countryName(c) || c,
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})).sort((a, b) => a.name.localeCompare(b.name));
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