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32 lines
1016 B
32 lines
1016 B
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 "stream"; |
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import { StringDecoder } from "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, cb) { |
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this._parser.write(isBuffer(chunk, encoding) ? this._decoder.write(chunk) : chunk); |
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cb(); |
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} |
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_final(cb) { |
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this._parser.end(this._decoder.end()); |
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cb(); |
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} |
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} |
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//# sourceMappingURL=WritableStream.js.map
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