13 lines
490 B
TypeScript
13 lines
490 B
TypeScript
export type HydrogenCustomerKind = 'external' | 'lingniu' | 'all';
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export function parseHydrogenCustomerKind(value: string | undefined): HydrogenCustomerKind {
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if (value === 'external' || value === 'all') return value;
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return 'lingniu';
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}
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export function parseHydrogenStationId(value: string | undefined): number | null {
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if (value == null || !/^\d+$/.test(value)) return null;
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const parsed = Number(value);
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return Number.isSafeInteger(parsed) && parsed >= 0 ? parsed : null;
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}
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