| 3 | 3 | // convenience to get you started writing code faster. |
| 4 | 4 | // |
| 5 | 5 | |
| 6 | | export const commands = () => { |
| 7 | | throw new Error('Remove this line and implement the function'); |
| 6 | export const commands = (number) => { |
| 7 | // Edge Case: Handle non-integer inputs |
| 8 | if (!Number.isInteger(number)) { |
| 9 | throw new Error('Input must be an integer'); |
| 10 | } |
| 11 | |
| 12 | // Edge Case: Handle negative numbers |
| 13 | if (number < 0) { |
| 14 | throw new Error('Input must be a non-negative integer'); |
| 15 | } |
| 16 | |
| 17 | // Only consider the last 5 bits (mask with 31 or 0b11111) |
| 18 | const maskedNumber = number & 31; |
| 19 | |
| 20 | const actions = []; |
| 21 | |
| 22 | // Check each bit from right to left (LSB to MSB) |
| 23 | if (maskedNumber & 1) { // 00001 - wink |
| 24 | actions.push('wink'); |
| 25 | } |
| 26 | |
| 27 | if (maskedNumber & 2) { // 00010 - double blink |
| 28 | actions.push('double blink'); |
| 29 | } |
| 30 | |
| 31 | if (maskedNumber & 4) { // 00100 - close your eyes |
| 32 | actions.push('close your eyes'); |
| 33 | } |
| 34 | |
| 35 | if (maskedNumber & 8) { // 01000 - jump |
| 36 | actions.push('jump'); |
| 37 | } |
| 38 | |
| 39 | // Edge Case: Handle reverse flag (16 or 10000) |
| 40 | if (maskedNumber & 16) { // 10000 - reverse |
| 41 | actions.reverse(); |
| 42 | } |
| 43 | |
| 44 | return actions; |
| 8 | 45 | }; |
| 46 | |
| 47 | // Handled Edge Cases: non-integer inputs, negative numbers, number greater than 31 (masked), number with only reverse flag set, number with all bits set |