fantasy-console/repl.ts

import faux from "./builtins.ts";
import { getKeysPressed, shiftKeyDown, shiftMap } from "./keyboard.ts";
import { font } from "./font.ts";

let line = "";

const update = () => {
	for (const key of getKeysPressed()) {
		let char = String.fromCharCode(key).toLowerCase();
		if (shiftKeyDown()) {
			if (char in shiftMap) {
				char = shiftMap[char as keyof typeof shiftMap];
			} else {
				char = char.toUpperCase();
			}
		}
		if (char in font) {
			line += char;
		}
	}
}

const draw = () => {
	faux.clear_screen();
	faux.draw_text(0, 0, "> "+line);
}

export const repl = {
	update, draw
}