wehub-resource-sync
87 lines
2.8 KiB
TypeScript
87 lines
2.8 KiB
TypeScript
import type { TempUnit, WindUnit, PressureUnit } from '../types';
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import { beaufortScaleFromKmh } from '../services/weatherService';
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// ── 温度 ──────────────────────────────────────────────────────────
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export function convertTemp(celsiusRaw: string | number, unit: TempUnit): number {
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const c = typeof celsiusRaw === 'string' ? parseFloat(celsiusRaw) : celsiusRaw;
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if (!Number.isFinite(c)) return 0;
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if (unit === 'fahrenheit') return Math.round(c * 9 / 5 + 32);
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return Math.round(c);
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}
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export function formatTemp(celsiusRaw: string | number, unit: TempUnit): string {
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return `${convertTemp(celsiusRaw, unit)}°`;
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}
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// ── 风速 ──────────────────────────────────────────────────────────
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export function formatWind(
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windSpeedKmh: string,
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windScale: string,
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unit: WindUnit,
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scaleSuffix: string,
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): string {
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if (unit === 'beaufort') {
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const speed = parseFloat(windSpeedKmh);
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const scale = Number.isFinite(speed) ? beaufortScaleFromKmh(speed) : windScale;
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return scale ? `${scale}${scaleSuffix}` : '';
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}
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const kmh = parseFloat(windSpeedKmh);
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if (!Number.isFinite(kmh)) {
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return windScale ? `${windScale}${scaleSuffix}` : '';
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}
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let value: number;
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let suffix: string;
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switch (unit) {
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case 'kmh':
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value = Math.round(kmh);
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suffix = 'km/h';
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break;
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case 'ms':
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value = Math.round(kmh / 3.6);
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suffix = 'm/s';
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break;
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case 'mph':
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value = Math.round(kmh * 0.621371);
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suffix = 'mph';
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break;
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case 'kn':
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value = Math.round(kmh * 0.539957);
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suffix = 'kn';
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break;
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default:
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return windScale ? `${windScale}${scaleSuffix}` : '';
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}
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return `${value}${suffix}`;
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}
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// ── 气压 ──────────────────────────────────────────────────────────
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export function convertPressure(hpaRaw: string | number, unit: PressureUnit): number {
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const hpa = typeof hpaRaw === 'string' ? parseFloat(hpaRaw) : hpaRaw;
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if (!Number.isFinite(hpa)) return 0;
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switch (unit) {
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case 'mmhg':
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return Math.round(hpa * 0.750062);
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case 'inhg':
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return +(hpa * 0.02953).toFixed(2);
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default:
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return Math.round(hpa);
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}
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}
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export function pressureSuffix(unit: PressureUnit): string {
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switch (unit) {
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case 'mmhg': return 'mmHg';
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case 'inhg': return 'inHg';
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default: return 'hPa';
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}
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}
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export function formatPressure(hpaRaw: string | number, unit: PressureUnit): string {
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return `${convertPressure(hpaRaw, unit)}`;
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}
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