75 lines
3.2 KiB
JavaScript
75 lines
3.2 KiB
JavaScript
"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.prepareWebsocketData = exports.prepareData = void 0;
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const stream_1 = require("./stream");
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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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function prepareData(data) {
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return __awaiter(this, void 0, void 0, function* () {
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if (typeof data === 'string')
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return new Blob([data], { type: 'text/plain' });
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if (data instanceof Uint8Array || data instanceof ArrayBuffer) {
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return new Blob([data], { type: 'application/octet-stream' });
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}
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if (data instanceof Blob) {
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return data;
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}
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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 ((0, stream_1.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, { type: 'application/octet-stream' }));
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});
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});
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}
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if ((0, stream_1.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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({ done, value } = 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, { type: 'application/octet-stream' }));
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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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exports.prepareData = prepareData;
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function prepareWebsocketData(data) {
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return __awaiter(this, void 0, void 0, function* () {
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if (typeof data === 'string')
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return new TextEncoder().encode(data);
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if (data instanceof ArrayBuffer)
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return new Uint8Array(data);
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if (data instanceof Blob)
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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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}
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exports.prepareWebsocketData = prepareWebsocketData;
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