Marc Mintel
5397309103
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32 lines
1.0 KiB
Plaintext
32 lines
1.0 KiB
Plaintext
import { Parser } from "./Parser.js";
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/*
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* NOTE: If either of these two imports produces a type error,
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* please update your @types/node dependency!
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*/
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import { Writable } from "node:stream";
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import { StringDecoder } from "node:string_decoder";
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// Following the example in https://nodejs.org/api/stream.html#stream_decoding_buffers_in_a_writable_stream
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function isBuffer(_chunk, encoding) {
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return encoding === "buffer";
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}
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/**
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* WritableStream makes the `Parser` interface available as a NodeJS stream.
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*
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* @see Parser
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*/
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export class WritableStream extends Writable {
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constructor(cbs, options) {
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super({ decodeStrings: false });
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this._decoder = new StringDecoder();
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this._parser = new Parser(cbs, options);
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}
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_write(chunk, encoding, callback) {
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this._parser.write(isBuffer(chunk, encoding) ? this._decoder.write(chunk) : chunk);
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callback();
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}
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_final(callback) {
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this._parser.end(this._decoder.end());
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callback();
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}
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}
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//# sourceMappingURL=WritableStream.js.map |