78 lines
2.3 KiB
JavaScript
78 lines
2.3 KiB
JavaScript
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var __awaiter = this && this.__awaiter || function (thisArg, _arguments, P, generator) {
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function adopt(value) {
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return value instanceof P ? value : new P(function (resolve) {
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resolve(value);
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});
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}
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) {
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try {
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step(generator.next(value));
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} catch (e) {
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reject(e);
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}
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}
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function rejected(value) {
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try {
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step(generator["throw"](value));
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} catch (e) {
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reject(e);
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}
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}
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function step(result) {
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result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected);
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}
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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import BlobPolyfill from 'fetch-blob';
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import { isNodeReadable, isReadableStream, readableWebToNode } from "./stream.js";
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/**
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* Prepare data for valid input for node-fetch.
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*
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* node-fetch is not using WHATWG ReadableStream but NodeJS Readable so we need to convert in case of ReadableStream,
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* but the typings are set to use ReadableStream so hence why type conversion here.
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*
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* @param data any string, ArrayBuffer, Uint8Array or Readable
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*/
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export function prepareData(data) {
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return __awaiter(this, void 0, void 0, function* () {
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if (typeof data === 'string') return new BlobPolyfill([data], {
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type: 'text/plain'
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});
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if (data instanceof Uint8Array || data instanceof ArrayBuffer) {
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return new BlobPolyfill([data], {
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type: 'application/octet-stream'
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});
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}
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if (data instanceof BlobPolyfill || isNodeReadable(data)) return data;
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if (isReadableStream(data)) {
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return readableWebToNode(data);
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}
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throw new TypeError('unknown data type');
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});
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}
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function isBufferArray(buffer) {
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return Array.isArray(buffer) && buffer.length > 0 && buffer.every(data => data instanceof Buffer);
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}
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export function prepareWebsocketData(data) {
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return __awaiter(this, void 0, void 0, function* () {
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if (typeof data === 'string') return new TextEncoder().encode(data);
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if (data instanceof Buffer) return new Uint8Array(data);
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if (data instanceof ArrayBuffer) return new Uint8Array(data);
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if (isBufferArray(data)) return new Uint8Array(Buffer.concat(data));
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throw new TypeError('unknown websocket data type');
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});
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}
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