Merge pull request #479 from benschlegel/explorer-config
feat(explorer): add config for custom sort/map/filter functions
This commit is contained in:
Ben Schlegel
GitHub
commit
e67f409ec1
@ -4,9 +4,9 @@ tags:
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- component
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---
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Quartz features an explorer that allows you to navigate all files and folders on your site. It supports nested folders and has options for customization.
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Quartz features an explorer that allows you to navigate all files and folders on your site. It supports nested folders and is highly customizable.
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By default, it will show all folders and files on your page. To display the explorer in a different spot, you can edit the [[layout]].
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By default, it shows all folders and files on your page. To display the explorer in a different spot, you can edit the [[layout]].
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> [!info]
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> The explorer uses local storage by default to save the state of your explorer. This is done to ensure a smooth experience when navigating to different pages.
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@ -25,6 +25,14 @@ Component.Explorer({
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folderClickBehavior: "collapse", // what happens when you click a folder ("link" to navigate to folder page on click or "collapse" to collapse folder on click)
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folderDefaultState: "collapsed", // default state of folders ("collapsed" or "open")
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useSavedState: true, // wether to use local storage to save "state" (which folders are opened) of explorer
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// Sort order: folders first, then files. Sort folders and files alphabetically
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sortFn: (a, b) => {
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... // default implementation shown later
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},
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filterFn: undefined,
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mapFn: undefined,
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// what order to apply functions in
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order: ["filter", "map", "sort"],
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})
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```
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@ -33,9 +41,187 @@ When passing in your own options, you can omit any or all of these fields if you
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Want to customize it even more?
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- Removing table of contents: remove `Component.Explorer()` from `quartz.layout.ts`
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- (optional): After removing the explorer component, you can move the [[table of contents]] component back to the `left` part of the layout
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- (optional): After removing the explorer component, you can move the [[table of contents | Table of Contents]] component back to the `left` part of the layout
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- Changing `sort`, `filter` and `map` behavior: explained in [[#Advanced customization]]
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- Component:
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- Wrapper (Outer component, generates file tree, etc): `quartz/components/Explorer.tsx`
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- Explorer node (recursive, either a folder or a file): `quartz/components/ExplorerNode.tsx`
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- Style: `quartz/components/styles/explorer.scss`
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- Script: `quartz/components/scripts/explorer.inline.ts`
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## Advanced customization
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This component allows you to fully customize all of its behavior. You can pass a custom `sort`, `filter` and `map` function.
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All functions you can pass work with the `FileNode` class, which has the following properties:
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```ts title="quartz/components/ExplorerNode.tsx" {2-5}
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export class FileNode {
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children: FileNode[] // children of current node
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name: string // name of node (only useful for folders)
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file: QuartzPluginData | null // set if node is a file, see `QuartzPluginData` for more detail
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depth: number // depth of current node
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... // rest of implementation
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}
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```
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Every function you can pass is optional. By default, only a `sort` function will be used:
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```ts title="Default sort function"
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// Sort order: folders first, then files. Sort folders and files alphabetically
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Component.Explorer({
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sortFn: (a, b) => {
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if ((!a.file && !b.file) || (a.file && b.file)) {
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return a.name.localeCompare(b.name)
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}
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if (a.file && !b.file) {
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return 1
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} else {
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return -1
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}
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},
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})
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```
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---
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You can pass your own functions for `sortFn`, `filterFn` and `mapFn`. All functions will be executed in the order provided by the `order` option (see [[#Customization]]). These functions behave similarly to their `Array.prototype` counterpart, except they modify the entire `FileNode` tree in place instead of returning a new one.
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For more information on how to use `sort`, `filter` and `map`, you can check [Array.prototype.sort()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort), [Array.prototype.filter()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter) and [Array.prototype.map()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map).
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Type definitions look like this:
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```ts
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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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> [!tip]
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> You can check if a `FileNode` is a folder or a file like this:
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>
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> ```ts
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> if (node.file) {
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> // node is a file
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> } else {
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> // node is a folder
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> }
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> ```
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## Basic examples
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These examples show the basic usage of `sort`, `map` and `filter`.
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### Use `sort` to put files first
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Using this example, the explorer will alphabetically sort everything, but put all **files** above all **folders**.
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```ts title="quartz.layout.ts"
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Component.Explorer({
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sortFn: (a, b) => {
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if ((!a.file && !b.file) || (a.file && b.file)) {
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return a.name.localeCompare(b.name)
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}
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if (a.file && !b.file) {
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return -1
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} else {
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return 1
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}
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},
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})
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```
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### Change display names (`map`)
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Using this example, the display names of all `FileNodes` (folders + files) will be converted to full upper case.
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```ts title="quartz.layout.ts"
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Component.Explorer({
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mapFn: (node) => {
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node.name = node.name.toUpperCase()
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},
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})
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```
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### Remove list of elements (`filter`)
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Using this example, you can remove elements from your explorer by providing an array of folders/files using the `omit` set.
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```ts title="quartz.layout.ts"
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Component.Explorer({
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filterFn: (node) => {
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// set containing names of everything you want to filter out
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const omit = new Set(["authoring content", "tags", "hosting"])
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return omit.has(node.name.toLowerCase())
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},
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})
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```
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You can customize this by changing the entries of the `omit` set. Simply add all folder or file names you want to remove.
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## Advanced examples
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### Add emoji prefix
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To add emoji prefixes (📁 for folders, 📄 for files), you could use a map function like this:
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```ts title="quartz.layout.ts"
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Component.Explorer({
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mapFn: (node) => {
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// dont change name of root node
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if (node.depth > 0) {
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// set emoji for file/folder
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if (node.file) {
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node.name = "📄 " + node.name
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} else {
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node.name = "📁 " + node.name
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}
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}
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},
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}})
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```
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### Putting it all together
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In this example, we're going to customize the explorer by using functions from examples above to [[#Add emoji prefix | add emoji prefixes]], [[#remove-list-of-elements-filter| filter out some folders]] and [[#use-sort-to-put-files-first | sort with files above folders]].
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```ts title="quartz.layout.ts"
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Component.Explorer({
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filterFn: sampleFilterFn,
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mapFn: sampleMapFn,
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sortFn: sampleSortFn,
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order: ["filter", "sort", "map"],
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})
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```
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Notice how we customized the `order` array here. This is done because the default order applies the `sort` function last. While this normally works well, it would cause unintended behavior here, since we changed the first characters of all display names. In our example, `sort` would be applied based off the emoji prefix instead of the first _real_ character.
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To fix this, we just changed around the order and apply the `sort` function before changing the display names in the `map` function.
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> [!tip]
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> When writing more complicated functions, the `layout` file can start to look very cramped.
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> You can fix this by defining your functions in another file.
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>
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> ```ts title="functions.ts"
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> import { Options } from "./quartz/components/ExplorerNode"
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> export const mapFn: Options["mapFn"] = (node) => {
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> // implement your function here
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> }
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> export const filterFn: Options["filterFn"] = (node) => {
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> // implement your function here
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> }
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> export const sortFn: Options["sortFn"] = (a, b) => {
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> // implement your function here
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> }
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> ```
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>
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> You can then import them like this:
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>
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> ```ts title="quartz.layout.ts"
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> import { mapFn, filterFn, sortFn } from "./functions.ts"
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> Component.Explorer({
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> mapFn: mapFn,
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> filterFn: filterFn,
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> sortFn: sortFn,
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> })
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> ```
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@ -11,6 +11,18 @@ const defaultOptions = (): Options => ({
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folderClickBehavior: "collapse",
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folderDefaultState: "collapsed",
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useSavedState: true,
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// Sort order: folders first, then files. Sort folders and files alphabetically
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sortFn: (a, b) => {
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if ((!a.file && !b.file) || (a.file && b.file)) {
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return a.name.localeCompare(b.name)
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}
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if (a.file && !b.file) {
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return 1
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} else {
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return -1
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}
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},
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order: ["filter", "map", "sort"],
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})
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export default ((userOpts?: Partial<Options>) => {
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function Explorer({ allFiles, displayClass, fileData }: QuartzComponentProps) {
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@ -21,8 +33,34 @@ export default ((userOpts?: Partial<Options>) => {
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const fileTree = new FileNode("")
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allFiles.forEach((file) => fileTree.add(file, 1))
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// Sort tree (folders first, then files (alphabetic))
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fileTree.sort()
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/**
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* Keys of this object must match corresponding function name of `FileNode`,
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* while values must be the argument that will be passed to the function.
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*
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* e.g. entry for FileNode.sort: `sort: opts.sortFn` (value is sort function from options)
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*/
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const functions = {
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map: opts.mapFn,
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sort: opts.sortFn,
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filter: opts.filterFn,
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}
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// Execute all functions (sort, filter, map) that were provided (if none were provided, only default "sort" is applied)
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if (opts.order) {
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// Order is important, use loop with index instead of order.map()
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for (let i = 0; i < opts.order.length; i++) {
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const functionName = opts.order[i]
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if (functions[functionName]) {
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// for every entry in order, call matching function in FileNode and pass matching argument
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// e.g. i = 0; functionName = "filter"
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// converted to: (if opts.filterFn) => fileTree.filter(opts.filterFn)
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// @ts-ignore
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// typescript cant statically check these dynamic references, so manually make sure reference is valid and ignore warning
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fileTree[functionName].call(fileTree, functions[functionName])
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}
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}
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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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@ -1,12 +1,18 @@
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// @ts-ignore
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import { QuartzPluginData } from "vfile"
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import { QuartzPluginData } from "../plugins/vfile"
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import { resolveRelative } 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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@ -29,7 +35,7 @@ export class FileNode {
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constructor(name: string, file?: QuartzPluginData, depth?: number) {
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this.children = []
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this.name = name
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this.file = file ?? null
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this.file = file ? structuredClone(file) : null
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this.depth = depth ?? 0
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}
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@ -65,6 +71,25 @@ export class FileNode {
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this.children.forEach((e) => e.print(depth + 1))
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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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@ -90,19 +115,13 @@ export class FileNode {
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}
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// Sort order: folders first, then files. Sort folders and files alphabetically
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sort() {
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this.children = this.children.sort((a, b) => {
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if ((!a.file && !b.file) || (a.file && b.file)) {
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return a.name.localeCompare(b.name)
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}
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if (a.file && !b.file) {
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return 1
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} else {
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return -1
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}
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})
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this.children.forEach((e) => e.sort())
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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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@ -131,7 +150,7 @@ export function ExplorerNode({ node, opts, fullPath, fileData }: ExplorerNodePro
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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.file.frontmatter?.title}
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{node.name}
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</a>
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</li>
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) : (
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