59 lines
2.7 KiB
JavaScript
59 lines
2.7 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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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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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 fetch_blob_1 = __importDefault(require("fetch-blob"));
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const stream_1 = require("./stream");
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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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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 fetch_blob_1.default([data], { type: 'text/plain' });
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if (data instanceof Uint8Array || data instanceof ArrayBuffer) {
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return new fetch_blob_1.default([data], { type: 'application/octet-stream' });
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}
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if (data instanceof fetch_blob_1.default || (0, stream_1.isNodeReadable)(data))
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return data;
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if ((0, stream_1.isReadableStream)(data)) {
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return (0, stream_1.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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exports.prepareData = prepareData;
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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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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 Buffer)
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return new Uint8Array(data);
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if (data instanceof ArrayBuffer)
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return new Uint8Array(data);
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if (isBufferArray(data))
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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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exports.prepareWebsocketData = prepareWebsocketData;
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