79 lines
2.2 KiB
TypeScript
79 lines
2.2 KiB
TypeScript
export type LocationSource = "pin" | "place" | "live";
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export type NormalizedLocation = {
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latitude: number;
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longitude: number;
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accuracy?: number;
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name?: string;
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address?: string;
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isLive?: boolean;
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source?: LocationSource;
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caption?: string;
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};
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type ResolvedLocation = NormalizedLocation & {
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source: LocationSource;
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isLive: boolean;
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};
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function resolveLocation(location: NormalizedLocation): ResolvedLocation {
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const source =
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location.source ??
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(location.isLive
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? "live"
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: location.name || location.address
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? "place"
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: "pin");
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const isLive = Boolean(location.isLive ?? source === "live");
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return { ...location, source, isLive };
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}
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function formatAccuracy(accuracy?: number): string {
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if (!Number.isFinite(accuracy)) return "";
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return ` ±${Math.round(accuracy ?? 0)}m`;
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}
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function formatCoords(latitude: number, longitude: number): string {
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return `${latitude.toFixed(6)}, ${longitude.toFixed(6)}`;
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}
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export function formatLocationText(location: NormalizedLocation): string {
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const resolved = resolveLocation(location);
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const coords = formatCoords(resolved.latitude, resolved.longitude);
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const accuracy = formatAccuracy(resolved.accuracy);
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const caption = resolved.caption?.trim();
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let header = "";
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if (resolved.source === "live" || resolved.isLive) {
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header = `🛰 Live location: ${coords}${accuracy}`;
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} else if (resolved.name || resolved.address) {
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const label = [resolved.name, resolved.address].filter(Boolean).join(" — ");
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header = `📍 ${label} (${coords}${accuracy})`;
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} else {
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header = `📍 ${coords}${accuracy}`;
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}
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return caption ? `${header}\n${caption}` : header;
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}
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export function toLocationContext(location: NormalizedLocation): {
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LocationLat: number;
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LocationLon: number;
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LocationAccuracy?: number;
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LocationName?: string;
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LocationAddress?: string;
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LocationSource: LocationSource;
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LocationIsLive: boolean;
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} {
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const resolved = resolveLocation(location);
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return {
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LocationLat: resolved.latitude,
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LocationLon: resolved.longitude,
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LocationAccuracy: resolved.accuracy,
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LocationName: resolved.name,
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LocationAddress: resolved.address,
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LocationSource: resolved.source,
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LocationIsLive: resolved.isLive,
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};
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}
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