testcontentsquare

testcontentsquare.ts

const lib = {
    'L': {
        'N': 'W',
        'E': 'N',
        'S': 'E',
        'W': 'S',
    },
    'R': {
        'N': 'E',
        'E': 'S',
        'S': 'W',
        'W': 'N',
    },
}
const calculateInput = () => {
    let mapInit = {}
    const lineReader = require('readline').createInterface({
        input: require('fs').createReadStream('test.txt')
    });
	const arrayInput = [];
	let currentValue = {};
    let numLine = 0;
    lineReader.on('line', function(line) {
        if (line.trim().length > 0) {
			if (numLine === 0) {
				mapInit = (line.split(' ')).map( x=> parseInt(x, 10));
			} else if (numLine % 2 === 1) {
				let values = (line.split(' ')) ;
				currentValue = {
					'x': parseInt(values[0], 10),
					'y': parseInt(values[1], 10),
					'direction': values[2],
				};
			} else if (numLine % 2 === 0) {
				arrayInput.push({
					'initPost' : currentValue,
					'moves': line.trim()
				});
			}
			numLine++;
		}
    }).on('close', function() {
		const map = { x: mapInit[0], y: mapInit[1] };
        const result = [];
        for (let i = 0; i < arrayInput.length; i++) {
            const pos = arrayInput[i].initPost;
            const moves = arrayInput[i].moves;
            let currentDirection = pos.direction;
            for (let j = 0; j < moves.length; j++) {
                if (moves.charAt(j) === 'L' || moves.charAt(j) === 'R') {
                    currentDirection = lib[moves.charAt(j)][currentDirection];
                } else if (moves.charAt(j) === 'F') {
                    let x = pos.x;
                    let y = pos.y;
                    if (currentDirection === 'N') {
                        y = y + 1;
                    } else if (currentDirection === 'E') {
                        x = x + 1;
                    } else if (currentDirection === 'S') {
                        y = y - 1;
                    } else if (currentDirection === 'W') {
                        x = x - 1;
                    }
                    if (x <= map.x && x >= 0) {
                        pos.x = x;
                    }
                    if (y <= map.y && y >= 0) {
                        pos.y = y;
                    }
                }
            }
            result.push({ x: pos.x, y: pos.y, direction: currentDirection });
        }
        console.log(result);
        return result;
    });;

};
calculateInput()
/*
5 5
1 2 N 
LFLFLFLFF 
3 3 E 
FFRFFRFRRF 
1 2 S 
FFRFFRFRRF 
3 3 W 
LFLFLFLFF 
*/