| 60 | type AnyObject = Record<string, unknown> |
| 61 | |
| 62 | const diff = (before: AnyObject, after: AnyObject): AnyObject | undefined => { |
| 63 | if (before === after) { |
| 64 | return |
| 65 | } |
| 66 | |
| 67 | if (!before) { |
| 68 | return after |
| 69 | } |
| 70 | |
| 71 | const changed: AnyObject = {} |
| 72 | let isChanged = false |
| 73 | |
| 74 | for (const key of Object.keys(before)) { |
| 75 | const isDeleted = after ? !Object.hasOwn(after, key) : true |
| 76 | |
| 77 | if (isDeleted) { |
| 78 | changed[key] = undefined |
| 79 | isChanged = true |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | if (after) { |
| 84 | for (const key of Object.keys(after)) { |
| 85 | if (after[key] !== before[key]) { |
| 86 | changed[key] = after[key] |
| 87 | isChanged = true |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | return isChanged ? changed : undefined |
| 93 | } |
| 94 | |
| 95 | const cleanupYogaNode = (node: DOMElement | TextNode): void => { |
| 96 | const yogaNode = node.yogaNode |