33 lines
1.1 KiB
TypeScript
33 lines
1.1 KiB
TypeScript
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import type { Condition } from "../../types";
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/** Shared by both OpenWeather plans. */
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export const OWM_LABEL = "OpenWeather";
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export interface OwmWeatherTag {
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id: number;
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description: string;
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icon: string; // ends in "d" (day) or "n" (night)
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}
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/** Condition codes: https://openweathermap.org/weather-conditions */
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export function toCondition(code: number): Condition {
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if (code >= 200 && code < 300) return "storm";
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if (code >= 300 && code < 600) return "rain"; // drizzle + rain
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if (code >= 600 && code < 700) return "snow";
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if (code >= 700 && code < 800) return "fog"; // mist, haze, smoke, dust…
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if (code === 800) return "clear";
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return "clouds";
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}
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/** OpenWeather gives probability of precipitation as 0–1; we use 0–100. */
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export function popToPercent(pop: number | undefined): number | null {
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return pop === undefined ? null : Math.round(pop * 100);
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}
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/** Rain + snow volume, either of which may be missing. */
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export function precipitation(rain?: number, snow?: number): number | null {
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if (rain === undefined && snow === undefined) return null;
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return Math.round(((rain ?? 0) + (snow ?? 0)) * 10) / 10;
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}
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