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242
quartz/components/ExplorerNode.tsx
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242
quartz/components/ExplorerNode.tsx
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// @ts-ignore
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import { QuartzPluginData } from "../plugins/vfile"
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import {
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joinSegments,
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resolveRelative,
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clone,
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simplifySlug,
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SimpleSlug,
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FilePath,
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} from "../util/path"
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type OrderEntries = "sort" | "filter" | "map"
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export interface Options {
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title?: string
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folderDefaultState: "collapsed" | "open"
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folderClickBehavior: "collapse" | "link"
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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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order: OrderEntries[]
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}
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type DataWrapper = {
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file: QuartzPluginData
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path: string[]
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}
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export type FolderState = {
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path: string
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collapsed: boolean
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}
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function getPathSegment(fp: FilePath | undefined, idx: number): string | undefined {
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if (!fp) {
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return undefined
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}
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return fp.split("/").at(idx)
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}
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// Structure to add all files into a tree
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export class FileNode {
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children: Array<FileNode>
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name: string // this is the slug segment
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displayName: string
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file: QuartzPluginData | null
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depth: number
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constructor(slugSegment: string, displayName?: string, file?: QuartzPluginData, depth?: number) {
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this.children = []
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this.name = slugSegment
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this.displayName = displayName ?? file?.frontmatter?.title ?? slugSegment
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this.file = file ? clone(file) : null
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this.depth = depth ?? 0
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}
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private insert(fileData: DataWrapper) {
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if (fileData.path.length === 0) {
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return
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}
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const nextSegment = fileData.path[0]
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// base case, insert here
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if (fileData.path.length === 1) {
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if (nextSegment === "") {
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// index case (we are the root and we just found index.md), set our data appropriately
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const title = fileData.file.frontmatter?.title
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if (title && title !== "index") {
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this.displayName = title
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}
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} else {
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// direct child
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this.children.push(new FileNode(nextSegment, undefined, fileData.file, this.depth + 1))
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}
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return
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}
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// find the right child to insert into
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fileData.path = fileData.path.splice(1)
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const child = this.children.find((c) => c.name === nextSegment)
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if (child) {
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child.insert(fileData)
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return
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}
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const newChild = new FileNode(
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nextSegment,
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getPathSegment(fileData.file.relativePath, this.depth),
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undefined,
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this.depth + 1,
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)
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newChild.insert(fileData)
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this.children.push(newChild)
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}
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// Add new file to tree
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add(file: QuartzPluginData) {
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this.insert({ file: file, path: simplifySlug(file.slug!).split("/") })
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}
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/**
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* Filter FileNode tree. Behaves similar to `Array.prototype.filter()`, but modifies tree in place
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* @param filterFn function to filter tree with
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*/
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filter(filterFn: (node: FileNode) => boolean) {
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this.children = this.children.filter(filterFn)
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this.children.forEach((child) => child.filter(filterFn))
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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 use for mapping over tree
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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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* @param collapsed default state of folders (collapsed by default or not)
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* @returns array containing folder state for tree
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*/
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getFolderPaths(collapsed: boolean): FolderState[] {
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const folderPaths: FolderState[] = []
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const traverse = (node: FileNode, currentPath: string) => {
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if (!node.file) {
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const folderPath = joinSegments(currentPath, node.name)
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if (folderPath !== "") {
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folderPaths.push({ path: folderPath, collapsed })
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}
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node.children.forEach((child) => traverse(child, folderPath))
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}
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}
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traverse(this, "")
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return folderPaths
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}
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// Sort order: folders first, then files. Sort folders and files alphabetically
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/**
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* Sorts tree according to sort/compare function
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* @param sortFn compare function used for `.sort()`, also used recursively for children
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*/
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sort(sortFn: (a: FileNode, b: FileNode) => number) {
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this.children = this.children.sort(sortFn)
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this.children.forEach((e) => e.sort(sortFn))
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}
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}
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type ExplorerNodeProps = {
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node: FileNode
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opts: Options
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fileData: QuartzPluginData
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fullPath?: string
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}
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export function ExplorerNode({ node, opts, fullPath, fileData }: ExplorerNodeProps) {
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// Get options
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const folderBehavior = opts.folderClickBehavior
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const isDefaultOpen = opts.folderDefaultState === "open"
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// Calculate current folderPath
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const folderPath = node.name !== "" ? joinSegments(fullPath ?? "", node.name) : ""
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const href = resolveRelative(fileData.slug!, folderPath as SimpleSlug) + "/"
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return (
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<>
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{node.file ? (
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// Single file node
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<li key={node.file.slug}>
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<a href={resolveRelative(fileData.slug!, node.file.slug!)} data-for={node.file.slug}>
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{node.displayName}
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</a>
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</li>
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) : (
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<li>
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{node.name !== "" && (
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// Node with entire folder
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// Render svg button + folder name, then children
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<div class="folder-container">
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<svg
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xmlns="http://www.w3.org/2000/svg"
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width="12"
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height="12"
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viewBox="5 8 14 8"
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fill="none"
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stroke="currentColor"
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stroke-width="2"
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stroke-linecap="round"
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stroke-linejoin="round"
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class="folder-icon"
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>
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<polyline points="6 9 12 15 18 9"></polyline>
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</svg>
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{/* render <a> tag if folderBehavior is "link", otherwise render <button> with collapse click event */}
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<div key={node.name} data-folderpath={folderPath}>
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{folderBehavior === "link" ? (
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<a href={href} data-for={node.name} class="folder-title">
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{node.displayName}
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</a>
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) : (
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<button class="folder-button">
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<span class="folder-title">{node.displayName}</span>
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</button>
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)}
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</div>
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</div>
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)}
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{/* Recursively render children of folder */}
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<div class={`folder-outer ${node.depth === 0 || isDefaultOpen ? "open" : ""}`}>
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<ul
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// Inline style for left folder paddings
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style={{
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paddingLeft: node.name !== "" ? "1.4rem" : "0",
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}}
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class="content"
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data-folderul={folderPath}
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>
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{node.children.map((childNode, i) => (
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<ExplorerNode
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node={childNode}
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key={i}
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opts={opts}
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fullPath={folderPath}
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fileData={fileData}
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/>
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))}
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</ul>
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</div>
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</li>
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)}
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</>
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)
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}
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