83 lines
2.2 KiB
JavaScript
83 lines
2.2 KiB
JavaScript
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const EventEmitter = require('events');
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const readline = require('readline');
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const color = (str, code) => `\x1b[${code}m${str}\x1b[0m`;
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const vars = require("./vars.json");
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const commands = new Map();
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function completer(line, admin) {
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const commands = "help quit nick shrug".split(" ").map(i => `/${i} `);
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if(admin) commands.push("/kick ");
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if(!line) return [commands, line];
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const filtered = commands.filter(i => i.startsWith(line));
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return [filtered, line];
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}
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class Client extends EventEmitter {
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constructor(stream, username, admin = false, server = false) {
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super();
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this.username = username;
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this.name = username;
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this.admin = admin;
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this.stream = server ? stream.stdout : stream;
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this.io = readline.createInterface({
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input: server ? stream.stdin : stream,
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output: server ? stream.stdout : stream,
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prompt: "=> ",
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terminal: true,
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completer: line => completer(line, admin),
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});
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}
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init() {
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this.io.prompt();
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this.io.on("line", data => {
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this.stream.write("\x1b[A\x1b[K");
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this.handle(data.trim());
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this.io.prompt();
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});
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this.io.on("SIGTSTP", () => false);
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this.io.on("SIGCONT", () => false);
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this.io.on("SIGINT", () => this.emit("exit"));
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this.io.on("pause", () => this.io.resume());
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this.emit("meta", `=== ${this.name} joined! ===`);
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}
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handle(data) {
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if(data.length > 256) {
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return this.write("uhhh thats a bit too long (max 256)");
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}
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data = data.trim();
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if(data[0] === "/") {
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const parts = data.slice(1).split(" ");
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if(data[1] === "/") {
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this.emit("message", `${this.formatted} ${data.slice(1)}`);
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} else if(commands.has(parts[0])) {
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commands.get(parts[0])(this, parts.slice(1));
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} else {
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this.write(`unknown command ${parts[0]}\r\n`);
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}
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} else if(data) {
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this.emit("message", `${this.formatted} ${data}`);
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}
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}
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write(data) {
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this.stream.write(`\r\x1b[K${data}\r\n`);
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this.io.prompt(true);
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}
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get formatted() {
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const which = this.admin ? vars.color.admin : vars.color.user;
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const spaces = " ".repeat(vars.maxlen - this.name.length)
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return `[${color(this.name, which)}]${spaces}`;
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}
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static command(name, call) {
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commands.set(name, call);
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}
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}
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module.exports = Client;
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