57 lines
1.3 KiB
TypeScript
57 lines
1.3 KiB
TypeScript
import deepUnref from './deep-unref';
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export class JFetchResponse<T> {
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constructor(
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public statusCode: number,
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public headers: Headers,
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public data: T
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) {}
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}
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export class JFetchError {
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constructor(
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public statusCode: number,
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public headers: Headers,
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public data: any
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) {}
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}
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export default async function jfetch<T = any>(
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url: string,
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opts: Record<string, unknown> & {
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returnType?: 'blob' | 'json' | 'arraybuffer';
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}
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) {
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const { returnType } = opts;
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if (opts['body'] && typeof opts['body'] === 'object') {
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opts['body'] = JSON.stringify(opts['body']);
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opts['headers'] = {
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...deepUnref(opts['headers'] || {}),
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'Content-Type': 'application/json',
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};
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}
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const response = await fetch(url, {
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...(opts as Record<string, unknown>),
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});
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let data!: T;
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if (!returnType || returnType === 'json') {
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data = await response.json();
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}
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if (returnType === 'arraybuffer') {
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data = (await response.arrayBuffer()) as T;
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}
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if (returnType === 'blob') {
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data = (await response.blob()) as T;
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}
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if (response.status < 200 || response.status > 299) {
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throw new JFetchError(response.status, response.headers, data);
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}
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return new JFetchResponse<T>(response.status, response.headers, data);
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}
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