34 lines
827 B
TypeScript
34 lines
827 B
TypeScript
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export async function jsonFetcher<T>(url: string): Promise<T | null> {
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const res = await fetch(url);
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if (!res.ok) {
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if (res.status === 404) {
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return null;
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}
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const error = new Error("An error occurred while fetching the data.");
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throw error;
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}
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return res.json();
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};
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export async function jsonFetcherWithLastModified<T>(url: string): Promise<{ data: T, lastModified: string | null } | null> {
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const res = await fetch(url);
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if (!res.ok) {
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if (res.status === 404) {
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return null;
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}
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const error = new Error("An error occurred while fetching the data.");
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throw error;
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}
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return {
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lastModified: res.headers.get("Last-Modified"),
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data: await res.json(),
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};
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}
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export async function csvFetcher(url: string): Promise<string> {
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return (await fetch(url)).text();
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}
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