108 lines
2.8 KiB
JavaScript
108 lines
2.8 KiB
JavaScript
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 { isNodeReadable, isReadableStream } from "./stream.js";
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/**
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* Validates input and converts to Uint8Array
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*
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* @param data any string, ArrayBuffer or Uint8Array
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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 Blob([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 Blob([data], {
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type: 'application/octet-stream'
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});
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}
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if (data instanceof Blob) {
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return data;
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} // Currently it is not possible to stream requests from browsers
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// there are already first experiments on this field (Chromium)
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// but till it is fully implemented across browsers-land we have to
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// buffer the data before sending the requests.
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if (isNodeReadable(data)) {
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return new Promise(resolve => {
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const buffers = [];
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data.on('data', d => {
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buffers.push(d);
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});
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data.on('end', () => {
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resolve(new Blob(buffers, {
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type: 'application/octet-stream'
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}));
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});
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});
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}
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if (isReadableStream(data)) {
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return new Promise(resolve => __awaiter(this, void 0, void 0, function* () {
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const reader = data.getReader();
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const buffers = [];
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let done, value;
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do {
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;
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({
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done,
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value
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} = yield reader.read());
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if (!done) {
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buffers.push(value);
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}
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} while (!done);
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resolve(new Blob(buffers, {
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type: 'application/octet-stream'
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}));
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}));
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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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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 ArrayBuffer) return new Uint8Array(data);
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if (data instanceof Blob) return new Uint8Array(yield new Response(data).arrayBuffer());
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throw new TypeError('unknown websocket data type');
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});
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} |