inputParser.js

const { Transform } = require("stream");
let isCursorEnabled = false;

class MinitelInputParser extends Transform {
	// TODO: le faire marcher
	constructor(options = {}) {
		super(options);
		this.buffer = Buffer.alloc(0);
		this.i = 0;
	}

	_transform(chunk, _encoding, cb) {
		if (isCursorEnabled) {
			// TODO: ajouter les caveats du
			// https://github.com/cquest/pynitel/blob/master/pynitel.py#L196
			if (chunk.toString().split("")[chunk.toString().length - 1].includes("\n")) {
				// pas de bruit
				let temp = [...this.buffer];
				[0,1].map(a=>{temp.pop()});
				this.buffer = Buffer.from(temp);
				temp = null;
				this.push(this.buffer);
				this.buffer = Buffer.alloc(0);
				this.i = 0;
			}

			if (chunk.toString() >= " ") { // si c'est une lettre
				this.buffer = Buffer.concat([this.buffer, chunk]);
			}

			this.i++;
		}
		cb();
	}
}

module.exports = MinitelInputParser;