| 73 | |
| 74 | |
| 75 | export const findNodeOrThrow = <T extends { id: string; childNodes: Array<T> }>( |
| 76 | eq: (node: T) => boolean, |
| 77 | tree: T |
| 78 | ): T => { |
| 79 | const aux = (viewNode: T): T | undefined => { |
| 80 | for (const node of viewNode.childNodes) { |
| 81 | if (eq(node)) { |
| 82 | return node; |
| 83 | } |
| 84 | |
| 85 | const res = aux(node); |
| 86 | |
| 87 | if (res) { |
| 88 | return res; |
| 89 | } |
| 90 | } |
| 91 | }; |
| 92 | |
| 93 | if (eq(tree)) { |
| 94 | return tree; |
| 95 | } |
| 96 | |
| 97 | const result = aux(tree); |
| 98 | |
| 99 | if (!result) { |
| 100 | throw new Error( |
| 101 | "detached node or wrong id:" + "\n\n" + JSON.stringify(tree) |
| 102 | ); |
| 103 | } |
| 104 | return result; |
| 105 | }; |
| 106 | |
| 107 | export const findNode = <T extends { id: string; childNodes: Array<T> }, R>( |
| 108 | eq: (node: T) => boolean, |