73 lines
2.0 KiB
TypeScript
73 lines
2.0 KiB
TypeScript
import { visit } from "unist-util-visit"
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import { QuartzEmitterPlugin } from "../types"
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import { Element } from "hast"
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import path from "path"
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import { trimPathSuffix } from "../../path"
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interface Options {
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indexAnchorLinks: boolean,
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indexExternalLinks: boolean,
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}
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const defaultOptions: Options = {
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indexAnchorLinks: false,
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indexExternalLinks: false,
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}
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type ContentIndex = Map<string, {
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title: string,
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links?: string[],
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tags?: string[],
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content: string,
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}>
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export const ContentIndex: QuartzEmitterPlugin<Options> = (userOpts) => {
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const opts = { ...userOpts, ...defaultOptions }
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return {
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name: "ContentIndex",
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async emit(_contentDir, _cfg, content, _resources, emit) {
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const fp = "contentIndex"
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const linkIndex: ContentIndex = new Map()
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for (const [tree, file] of content) {
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let slug = trimPathSuffix(file.data.slug!)
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const outgoing: Set<string> = new Set()
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visit(tree, 'element', (node: Element) => {
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if (node.tagName === 'a' && node.properties && typeof node.properties.href === 'string') {
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let dest = node.properties.href
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if (dest.startsWith(".")) {
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const normalizedPath = path.normalize(path.join(slug, dest))
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dest = trimPathSuffix(normalizedPath)
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outgoing.add(dest)
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} else if (dest.startsWith("#")) {
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if (opts.indexAnchorLinks) {
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outgoing.add(dest)
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}
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} else {
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if (opts.indexExternalLinks) {
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outgoing.add(dest)
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}
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}
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}
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})
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linkIndex.set(slug, {
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title: file.data.frontmatter?.title!,
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links: [...outgoing],
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tags: file.data.frontmatter?.tags,
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content: file.data.text ?? ""
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})
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}
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await emit({
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content: JSON.stringify(Object.fromEntries(linkIndex)),
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slug: fp,
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ext: ".json",
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})
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return [`${fp}.json`]
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},
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getQuartzComponents: () => [],
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}
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}
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