32 lines
No EOL
1 KiB
JavaScript
Executable file
32 lines
No EOL
1 KiB
JavaScript
Executable file
import { Parser } from "./Parser.js";
|
|
/*
|
|
* NOTE: If either of these two imports produces a type error,
|
|
* please update your @types/node dependency!
|
|
*/
|
|
import { Writable } from "node:stream";
|
|
import { StringDecoder } from "node:string_decoder";
|
|
// Following the example in https://nodejs.org/api/stream.html#stream_decoding_buffers_in_a_writable_stream
|
|
function isBuffer(_chunk, encoding) {
|
|
return encoding === "buffer";
|
|
}
|
|
/**
|
|
* WritableStream makes the `Parser` interface available as a NodeJS stream.
|
|
*
|
|
* @see Parser
|
|
*/
|
|
export class WritableStream extends Writable {
|
|
constructor(cbs, options) {
|
|
super({ decodeStrings: false });
|
|
this._decoder = new StringDecoder();
|
|
this._parser = new Parser(cbs, options);
|
|
}
|
|
_write(chunk, encoding, callback) {
|
|
this._parser.write(isBuffer(chunk, encoding) ? this._decoder.write(chunk) : chunk);
|
|
callback();
|
|
}
|
|
_final(callback) {
|
|
this._parser.end(this._decoder.end());
|
|
callback();
|
|
}
|
|
}
|
|
//# sourceMappingURL=WritableStream.js.map
|