export const colorCode = (name: string): number => { const num = COLORS.indexOf(name.toLowerCase()) if (num == -1) { throw new Error(`Invalid color name "${name}"`); } return num; } export const COLORS: string[] = [ 'black', 'brown', 'red', 'orange', 'yellow', 'green', 'blue', 'violet', 'grey', 'white', ];