| | |
| | | * @param filterFn function to filter tree with |
| | | */ |
| | | filter(filterFn: (node: FileNode) => boolean) { |
| | | const filteredNodes: FileNode[] = [] |
| | | |
| | | const traverse = (node: FileNode) => { |
| | | if (filterFn(node)) { |
| | | filteredNodes.push(node) |
| | | } |
| | | node.children.forEach(traverse) |
| | | } |
| | | |
| | | traverse(this) |
| | | |
| | | this.children = filteredNodes |
| | | this.children = this.children.filter(filterFn) |
| | | this.children.forEach((child) => child.filter(filterFn)) |
| | | } |
| | | |
| | | /** |
| | | * Filter FileNode tree. Behaves similar to `Array.prototype.map()`, but modifies tree in place |
| | | * @param mapFn function to filter tree with |
| | | * @param mapFn function to use for mapping over tree |
| | | */ |
| | | map(mapFn: (node: FileNode) => void) { |
| | | mapFn(this) |