feat(explorer): implement map
fn argument
Add a function for mapping over all FileNodes as an option for `Explorer`
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@ -40,6 +40,11 @@ export default ((userOpts?: Partial<Options>) => {
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fileTree.filter(opts.filterFn)
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}
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// If provided, apply map function to fileTree
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if (opts.mapFn) {
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fileTree.map(opts.mapFn)
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}
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// Get all folders of tree. Initialize with collapsed state
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const folders = fileTree.getFolderPaths(opts.folderDefaultState === "collapsed")
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@ -9,6 +9,7 @@ export interface Options {
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useSavedState: boolean
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sortFn: (a: FileNode, b: FileNode) => number
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filterFn?: (node: FileNode) => boolean
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mapFn?: (node: FileNode) => void
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}
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type DataWrapper = {
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@ -86,6 +87,16 @@ export class FileNode {
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this.children = filteredNodes
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}
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/**
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* Filter FileNode tree. Behaves similar to `Array.prototype.map()`, but modifies tree in place
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* @param mapFn function to filter tree with
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*/
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map(mapFn: (node: FileNode) => void) {
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mapFn(this)
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this.children.forEach((child) => child.map(mapFn))
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}
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/**
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* Get folder representation with state of tree.
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* Intended to only be called on root node before changes to the tree are made
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