/**
 * Clean simple way to create and link the vertex and fragment shaders to a new program.
 */
const createProgram = ($,vertexSource, fragmentSource) => {
  const { COMPILE_STATUS, VERTEX_SHADER, FRAGMENT_SHADER } = $;
		const createShader = (source, shaderType) => {
			const shader = $.createShader(shaderType);
			$.shaderSource(shader, source);
			$.compileShader(shader);
			return $.getShaderParameter(shader, COMPILE_STATUS)
				? shader : $.getShaderInfoLog(shader);
		};
		const program = $.createProgram();
		$.attachShader(program, createShader(vertexSource, VERTEX_SHADER));
		$.attachShader(program, createShader(fragmentSource, FRAGMENT_SHADER));
		$.linkProgram(program);
		return $.getProgramParameter(program, $.LINK_STATUS) ? ($.useProgram(program),program)
		: $.getProgramInfoLog(program);
	};
	const program = createProgram($,vertexShader, fragmentShader);