jsbootcamp/exercise_triangles.js

function makeLine(size, chars = "#") {
	let line = "";
	for (let i = 0; i < size; i++) {
		line += "#";
	}
	return line
}

function makeDownwardStairs(size) {
	let stair = "";
	for (let i = 1; i <= size; i++) {
		stair += makeLine(i) + "\n";
	}
	return stair.trim();
}
console.log(makeDownwardStairs(5) + "\n");



/* function makeSpaceLine(numSpaces, numChars) {
	return makeLine(numSpaces, ' ') + makeLine(numChars, '#') + makeLine(numSpaces, ' ');
} */



function makeSpaceLine(spaces, hashtags) {
	let li = "";
	for (let i = 1; i <= spaces; i++) {
		li += " ";
	}
	for (let i = 1; i <= hashtags; i++) {
		li += "#";
	}
	for (let i = 1; i <= spaces; i++) {
		li += " ";
	}
	return li
}


console.log(makeSpaceLine(5, 6) + "\n");


function reverse(str) {
	return str.split('').reverse('').join('');
}


function makeIsoscelesTriangle(height, offset = 0) {
	isosceles = "";
	for (let i = 0; i < height; i++) {
		isosceles += makeSpaceLine(height - i - 1, 2 * i + 1, offset) + "\n";
	}
	return isosceles.trimEnd();
}

console.log(makeIsoscelesTriangle(6));
console.log(reverse(makeIsoscelesTriangle(6)));

function makeDiamond(height) {
	return makeIsoscelesTriangle(height) + "\n" + reverse(makeIsoscelesTriangle(height));
}


console.log(makeDiamond(5));