* fix(breadcrumbs): problem with folder whitespace use slugs for folder hrefs so folder paths get resolved properly * feat: only use `slug` for constructing crumbs * fix: remove capitalization
		
			
				
	
	
		
			118 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
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import breadcrumbsStyle from "./styles/breadcrumbs.scss"
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import { FullSlug, SimpleSlug, resolveRelative } from "../util/path"
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import { QuartzPluginData } from "../plugins/vfile"
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type CrumbData = {
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  displayName: string
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  path: string
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}
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interface BreadcrumbOptions {
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  /**
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   * Symbol between crumbs
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   */
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  spacerSymbol: string
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  /**
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   * Name of first crumb
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   */
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  rootName: string
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  /**
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   * wether to look up frontmatter title for folders (could cause performance problems with big vaults)
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   */
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  resolveFrontmatterTitle: boolean
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  /**
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   * Wether to display breadcrumbs on root `index.md`
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   */
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  hideOnRoot: boolean
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}
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const defaultOptions: BreadcrumbOptions = {
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  spacerSymbol: ">",
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  rootName: "Home",
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  resolveFrontmatterTitle: false,
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  hideOnRoot: true,
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}
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function formatCrumb(displayName: string, baseSlug: FullSlug, currentSlug: SimpleSlug): CrumbData {
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  return {
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    displayName: displayName.replaceAll("-", " "),
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    path: resolveRelative(baseSlug, currentSlug),
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  }
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}
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// given a folderName (e.g. "features"), search for the corresponding `index.md` file
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function findCurrentFile(allFiles: QuartzPluginData[], folderName: string) {
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  return allFiles.find((file) => {
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    if (file.slug?.endsWith("index")) {
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      const folderParts = file.filePath?.split("/")
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      if (folderParts) {
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        const name = folderParts[folderParts?.length - 2]
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        if (name === folderName) {
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          return true
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        }
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      }
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    }
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  })
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}
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export default ((opts?: Partial<BreadcrumbOptions>) => {
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  // Merge options with defaults
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  const options: BreadcrumbOptions = { ...defaultOptions, ...opts }
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  function Breadcrumbs({ fileData, allFiles, displayClass }: QuartzComponentProps) {
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    // Hide crumbs on root if enabled
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    if (options.hideOnRoot && fileData.slug === "index") {
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      return <></>
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    }
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    // Format entry for root element
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    const firstEntry = formatCrumb(options.rootName, fileData.slug!, "/" as SimpleSlug)
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    const crumbs: CrumbData[] = [firstEntry]
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    // Split slug into hierarchy/parts
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    const slugParts = fileData.slug?.split("/")
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    if (slugParts) {
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      // full path until current part
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      let currentPath = ""
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      for (let i = 0; i < slugParts.length - 1; i++) {
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        let currentTitle = slugParts[i]
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        // TODO: performance optimizations/memoizing
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        // Try to resolve frontmatter folder title
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        if (options?.resolveFrontmatterTitle) {
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          // try to find file for current path
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          const currentFile = findCurrentFile(allFiles, currentTitle)
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          if (currentFile) {
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            currentTitle = currentFile.frontmatter!.title
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          }
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        }
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        // Add current slug to full path
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        currentPath += slugParts[i] + "/"
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        // Format and add current crumb
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        const crumb = formatCrumb(currentTitle, fileData.slug!, currentPath as SimpleSlug)
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        crumbs.push(crumb)
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      }
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      // Add current file to crumb (can directly use frontmatter title)
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      crumbs.push({
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        displayName: fileData.frontmatter!.title,
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        path: "",
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      })
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    }
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    return (
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      <nav class={`breadcrumb-container ${displayClass ?? ""}`} aria-label="breadcrumbs">
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        {crumbs.map((crumb, index) => (
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          <div class="breadcrumb-element">
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            <a href={crumb.path}>{crumb.displayName}</a>
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            {index !== crumbs.length - 1 && <p>{` ${options.spacerSymbol} `}</p>}
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          </div>
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        ))}
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      </nav>
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    )
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  }
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  Breadcrumbs.css = breadcrumbsStyle
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  return Breadcrumbs
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}) satisfies QuartzComponentConstructor
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