| | |
| | | import { |
| | | CanonicalSlug, |
| | | RelativeURL, |
| | | TransformOptions, |
| | | _stripSlashes, |
| | | canonicalizeServer, |
| | | joinSegments, |
| | | pathToRoot, |
| | | resolveRelative, |
| | | splitAnchor, |
| | | transformInternalLink, |
| | | } from "../../path" |
| | | transformLink, |
| | | } from "../../util/path" |
| | | import path from "path" |
| | | import { visit } from "unist-util-visit" |
| | | import isAbsoluteUrl from "is-absolute-url" |
| | | |
| | | interface Options { |
| | | /** How to resolve Markdown paths */ |
| | | markdownLinkResolution: "absolute" | "relative" | "shortest" |
| | | markdownLinkResolution: TransformOptions["strategy"] |
| | | /** Strips folders from a link so that it looks nice */ |
| | | prettyLinks: boolean |
| | | } |
| | |
| | | () => { |
| | | return (tree, file) => { |
| | | const curSlug = canonicalizeServer(file.data.slug!) |
| | | const transformLink = (target: string): RelativeURL => { |
| | | const targetSlug = transformInternalLink(target).slice("./".length) |
| | | let [targetCanonical, targetAnchor] = splitAnchor(targetSlug) |
| | | if (opts.markdownLinkResolution === "relative") { |
| | | return targetSlug as RelativeURL |
| | | } else if (opts.markdownLinkResolution === "shortest") { |
| | | // if the file name is unique, then it's just the filename |
| | | const matchingFileNames = ctx.allSlugs.filter((slug) => { |
| | | const parts = slug.split(path.posix.sep) |
| | | const fileName = parts.at(-1) |
| | | return targetCanonical === fileName |
| | | }) |
| | | const outgoing: Set<CanonicalSlug> = new Set() |
| | | |
| | | if (matchingFileNames.length === 1) { |
| | | const targetSlug = canonicalizeServer(matchingFileNames[0]) |
| | | return (resolveRelative(curSlug, targetSlug) + targetAnchor) as RelativeURL |
| | | } |
| | | |
| | | // if it's not unique, then it's the absolute path from the vault root |
| | | // (fall-through case) |
| | | } |
| | | |
| | | // treat as absolute |
| | | return joinSegments(pathToRoot(curSlug), targetSlug) as RelativeURL |
| | | const transformOptions: TransformOptions = { |
| | | strategy: opts.markdownLinkResolution, |
| | | allSlugs: ctx.allSlugs, |
| | | } |
| | | |
| | | const outgoing: Set<CanonicalSlug> = new Set() |
| | | visit(tree, "element", (node, _index, _parent) => { |
| | | // rewrite all links |
| | | if ( |
| | |
| | | |
| | | // don't process external links or intra-document anchors |
| | | if (!(isAbsoluteUrl(dest) || dest.startsWith("#"))) { |
| | | dest = node.properties.href = transformLink(dest) |
| | | const canonicalDest = path.normalize(joinSegments(curSlug, dest)) |
| | | dest = node.properties.href = transformLink(curSlug, dest, transformOptions) |
| | | const canonicalDest = path.posix.normalize(joinSegments(curSlug, dest)) |
| | | const [destCanonical, _destAnchor] = splitAnchor(canonicalDest) |
| | | outgoing.add(destCanonical as CanonicalSlug) |
| | | } |
| | |
| | | if ( |
| | | opts.prettyLinks && |
| | | node.children.length === 1 && |
| | | node.children[0].type === "text" |
| | | node.children[0].type === "text" && |
| | | !node.children[0].value.startsWith("#") |
| | | ) { |
| | | node.children[0].value = path.basename(node.children[0].value) |
| | | } |
| | |
| | | typeof node.properties.src === "string" |
| | | ) { |
| | | if (!isAbsoluteUrl(node.properties.src)) { |
| | | let dest = node.properties.src as RelativeURL |
| | | const ext = path.extname(node.properties.src) |
| | | node.properties.src = |
| | | transformLink(path.join("assets", node.properties.src)) + ext |
| | | dest = node.properties.src = transformLink(curSlug, dest, transformOptions) |
| | | node.properties.src = dest + ext |
| | | } |
| | | } |
| | | }) |