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{"version":3,"file":"socket.io.esm.min.js","sources":["../../engine.io-parser/build/esm/commons.js","../../engine.io-parser/build/esm/encodePacket.browser.js","../../engine.io-parser/build/esm/contrib/base64-arraybuffer.js","../../engine.io-parser/build/esm/decodePacket.browser.js","../../engine.io-parser/build/esm/index.js","../../socket.io-component-emitter/lib/esm/index.js","../../engine.io-client/build/esm/globals.js","../../engine.io-client/build/esm/util.js","../../engine.io-client/build/esm/transport.js","../../engine.io-client/build/esm/contrib/parseqs.js","../../engine.io-client/build/esm/transports/polling.js","../../engine.io-client/build/esm/contrib/has-cors.js","../../engine.io-client/build/esm/transports/polling-xhr.js","../../engine.io-client/build/esm/transports/websocket.js","../../engine.io-client/build/esm/transports/index.js","../../engine.io-client/build/esm/transports/webtransport.js","../../engine.io-client/build/esm/contrib/parseuri.js","../../engine.io-client/build/esm/socket.js","../../socket.io-parser/build/esm/is-binary.js","../../socket.io-parser/build/esm/binary.js","../../socket.io-parser/build/esm/index.js","../build/esm/on.js","../build/esm/socket.js","../build/esm/contrib/backo2.js","../build/esm/manager.js","../build/esm/index.js","../build/esm/url.js"],"sourcesContent":["const PACKET_TYPES = Object.create(null); // no Map = no polyfill\nPACKET_TYPES[\"open\"] = \"0\";\nPACKET_TYPES[\"close\"] = \"1\";\nPACKET_TYPES[\"ping\"] = \"2\";\nPACKET_TYPES[\"pong\"] = \"3\";\nPACKET_TYPES[\"message\"] = \"4\";\nPACKET_TYPES[\"upgrade\"] = \"5\";\nPACKET_TYPES[\"noop\"] = \"6\";\nconst PACKET_TYPES_REVERSE = Object.create(null);\nObject.keys(PACKET_TYPES).forEach((key) => {\n PACKET_TYPES_REVERSE[PACKET_TYPES[key]] = key;\n});\nconst ERROR_PACKET = { type: \"error\", data: \"parser error\" };\nexport { PACKET_TYPES, PACKET_TYPES_REVERSE, ERROR_PACKET };\n","import { PACKET_TYPES } from \"./commons.js\";\nconst withNativeBlob = typeof Blob === \"function\" ||\n (typeof Blob !== \"undefined\" &&\n Object.prototype.toString.call(Blob) === \"[object BlobConstructor]\");\nconst withNativeArrayBuffer = typeof ArrayBuffer === \"function\";\n// ArrayBuffer.isView method is not defined in IE10\nconst isView = (obj) => {\n return typeof ArrayBuffer.isView === \"function\"\n ? ArrayBuffer.isView(obj)\n : obj && obj.buffer instanceof ArrayBuffer;\n};\nconst encodePacket = ({ type, data }, supportsBinary, callback) => {\n if (withNativeBlob && data instanceof Blob) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(data, callback);\n }\n }\n else if (withNativeArrayBuffer &&\n (data instanceof ArrayBuffer || isView(data))) {\n if (supportsBinary) {\n return callback(data);\n }\n else {\n return encodeBlobAsBase64(new Blob([data]), callback);\n }\n }\n // plain string\n return callback(PACKET_TYPES[type] + (data || \"\"));\n};\nconst encodeBlobAsBase64 = (data, callback) => {\n const fileReader = new FileReader();\n fileReader.onload = function () {\n const content = fileReader.result.split(\",\")[1];\n callback(\"b\" + (content || \"\"));\n };\n return fileReader.readAsDataURL(data);\n};\nfunction toArray(data) {\n if (data instanceof Uint8Array) {\n return data;\n }\n else if (data instanceof ArrayBuffer) {\n return new Uint8Array(data);\n }\n else {\n return new Uint8Array(data.buffer, data.byteOffset, data.byteLength);\n }\n}\nlet TEXT_ENCODER;\nexport function encodePacketToBinary(packet, callback) {\n if (withNativeBlob && packet.data instanceof Blob) {\n return packet.data.arrayBuffer().then(toArray).then(callback);\n }\n else if (withNativeArrayBuffer &&\n (packet.data instanceof ArrayBuffer || isView(packet.data))) {\n return callback(toArray(packet.data));\n }\n encodePacket(packet, false, (encoded) => {\n
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