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| 1 | +import { NativeEventEmitter } from 'react-native'; |
| 2 | + |
| 3 | +import NativeStreamMultipartUploader, { |
| 4 | + type UploadHeader, |
| 5 | + type UploadPart, |
| 6 | + type UploadProgressConfig, |
| 7 | + type UploadProgressEvent, |
| 8 | + type UploadResponse as NativeUploadResponse, |
| 9 | +} from './NativeStreamMultipartUploader'; |
| 10 | + |
| 11 | +const STREAM_MULTIPART_UPLOAD_PROGRESS_EVENT = 'streamMultipartUploadProgress'; |
| 12 | + |
| 13 | +const multipartUploadEventEmitter = new NativeEventEmitter(NativeStreamMultipartUploader); |
| 14 | + |
| 15 | +const toUploadHeaders = (headers: Record<string, string>): UploadHeader[] => |
| 16 | + Object.entries(headers).map(([name, value]) => ({ name, value })); |
| 17 | + |
| 18 | +const fromUploadHeaders = ( |
| 19 | + headers?: ReadonlyArray<UploadHeader> | null, |
| 20 | +): Record<string, string> | undefined => { |
| 21 | + if (!headers?.length) { |
| 22 | + return undefined; |
| 23 | + } |
| 24 | + |
| 25 | + return headers.reduce<Record<string, string>>((acc, header) => { |
| 26 | + acc[header.name] = header.value; |
| 27 | + return acc; |
| 28 | + }, {}); |
| 29 | +}; |
| 30 | + |
| 31 | +const createAbortError = () => { |
| 32 | + const error = new Error('Request aborted'); |
| 33 | + error.name = 'CanceledError'; |
| 34 | + return error; |
| 35 | +}; |
| 36 | + |
| 37 | +type MultipartUploadRequest = { |
| 38 | + headers: Record<string, string>; |
| 39 | + method: string; |
| 40 | + onProgress?: (event: { loaded: number; total?: number }) => void; |
| 41 | + parts: UploadPart[]; |
| 42 | + progress?: UploadProgressConfig; |
| 43 | + signal?: AbortSignal; |
| 44 | + uploadId: string; |
| 45 | + url: string; |
| 46 | +}; |
| 47 | + |
| 48 | +type MultipartUploadResponse = Omit<NativeUploadResponse, 'headers'> & { |
| 49 | + headers?: Record<string, string>; |
| 50 | +}; |
| 51 | + |
| 52 | +export const uploadMultipart = async ({ |
| 53 | + headers, |
| 54 | + method, |
| 55 | + onProgress, |
| 56 | + parts, |
| 57 | + progress, |
| 58 | + signal, |
| 59 | + uploadId, |
| 60 | + url, |
| 61 | +}: MultipartUploadRequest): Promise<MultipartUploadResponse> => { |
| 62 | + let progressSubscription: |
| 63 | + | { |
| 64 | + remove: () => void; |
| 65 | + } |
| 66 | + | undefined; |
| 67 | + let removedAbortListener = false; |
| 68 | + |
| 69 | + const abortUpload = async () => { |
| 70 | + try { |
| 71 | + await NativeStreamMultipartUploader.cancelUpload(uploadId); |
| 72 | + } catch { |
| 73 | + // Ignore cancellation races for already-finished uploads. |
| 74 | + } |
| 75 | + }; |
| 76 | + |
| 77 | + const removeAbortListener = () => { |
| 78 | + if (!removedAbortListener) { |
| 79 | + signal?.removeEventListener('abort', handleAbort); |
| 80 | + removedAbortListener = true; |
| 81 | + } |
| 82 | + }; |
| 83 | + |
| 84 | + const handleAbort = () => { |
| 85 | + abortUpload().catch(() => undefined); |
| 86 | + }; |
| 87 | + |
| 88 | + if (signal?.aborted) { |
| 89 | + await abortUpload(); |
| 90 | + throw createAbortError(); |
| 91 | + } |
| 92 | + |
| 93 | + if (onProgress) { |
| 94 | + progressSubscription = multipartUploadEventEmitter.addListener( |
| 95 | + STREAM_MULTIPART_UPLOAD_PROGRESS_EVENT, |
| 96 | + (event: UploadProgressEvent) => { |
| 97 | + if (event.uploadId !== uploadId) { |
| 98 | + return; |
| 99 | + } |
| 100 | + |
| 101 | + onProgress({ |
| 102 | + loaded: event.loaded, |
| 103 | + total: typeof event.total === 'number' ? event.total : undefined, |
| 104 | + }); |
| 105 | + }, |
| 106 | + ); |
| 107 | + } |
| 108 | + |
| 109 | + signal?.addEventListener('abort', handleAbort, { once: true }); |
| 110 | + |
| 111 | + try { |
| 112 | + const response = await NativeStreamMultipartUploader.uploadMultipart( |
| 113 | + uploadId, |
| 114 | + url, |
| 115 | + method, |
| 116 | + toUploadHeaders(headers), |
| 117 | + parts, |
| 118 | + progress ?? {}, |
| 119 | + ); |
| 120 | + |
| 121 | + if (signal?.aborted) { |
| 122 | + throw createAbortError(); |
| 123 | + } |
| 124 | + |
| 125 | + return { |
| 126 | + ...response, |
| 127 | + headers: fromUploadHeaders(response.headers), |
| 128 | + }; |
| 129 | + } catch (error) { |
| 130 | + if (signal?.aborted) { |
| 131 | + throw createAbortError(); |
| 132 | + } |
| 133 | + |
| 134 | + throw error; |
| 135 | + } finally { |
| 136 | + progressSubscription?.remove(); |
| 137 | + removeAbortListener(); |
| 138 | + } |
| 139 | +}; |
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