| | |
| | | import path from 'path' |
| | | import { slug as slugAnchor } from 'github-slugger' |
| | | |
| | | function slugSegment(s: string): string { |
| | | return s.replace(/\s/g, '-') |
| | | // Quartz Paths |
| | | // Things in boxes are not actual types but rather sources which these types can be acquired from |
| | | // |
| | | // ┌────────────┐ |
| | | // ┌───────────┤ Browser ├────────────┐ |
| | | // │ └────────────┘ │ |
| | | // │ │ |
| | | // ▼ ▼ |
| | | // ┌────────┐ ┌─────────────┐ |
| | | // ┌───────────────────┤ Window │ │ LinkElement │ |
| | | // │ └────┬───┘ └──────┬──────┘ |
| | | // │ │ │ |
| | | // │ getClientSlug() │ .href │ |
| | | // │ ▼ ▼ |
| | | // │ |
| | | // │ Client Slug Relative URL |
| | | // getCanonicalSlug() │ https://test.ca/note/abc#anchor?query=123 ../note/def#anchor |
| | | // │ |
| | | // │ canonicalizeClient() │ ▲ |
| | | // │ ▼ │ |
| | | // │ │ |
| | | // └───────────────► Canonical Slug │ |
| | | // /note/abc │ |
| | | // │ |
| | | // ▲ │ |
| | | // canonicalizeServer() │ │ |
| | | // │ |
| | | // HTML File Server Slug │ |
| | | // /note/abc/index.html ◄───────────── /note/abc/index │ |
| | | // │ |
| | | // ▲ ┌────────┴────────┐ |
| | | // slugifyFilePath() │ transformInternalLink() │ │ |
| | | // │ │ │ |
| | | // ┌─────────┴──────────┐ ┌─────┴─────┐ ┌────────┴──────┐ |
| | | // │ File Path │ │ Wikilinks │ │ Markdown Link │ |
| | | // │ /note/abc/index.md │ └───────────┘ └───────────────┘ |
| | | // └────────────────────┘ ▲ ▲ |
| | | // ▲ │ │ |
| | | // │ ┌─────────┐ │ │ |
| | | // └────────────┤ MD File ├─────┴─────────────────┘ |
| | | // └─────────┘ |
| | | |
| | | /// Utility type to simulate nominal types in TypeScript |
| | | type SlugLike<T> = string & { __brand: T } |
| | | |
| | | /** Client-side slug, usually obtained through `window.location` */ |
| | | export type ClientSlug = SlugLike<"client"> |
| | | export function isClientSlug(s: string): s is ClientSlug { |
| | | return /^https?:\/\/.+/.test(s) |
| | | } |
| | | |
| | | export function trimPathSuffix(fp: string): string { |
| | | let [cleanPath, anchor] = fp.split("#", 2) |
| | | anchor = anchor === undefined ? "" : "#" + anchor |
| | | |
| | | return cleanPath + anchor |
| | | /** Canonical slug, should be used whenever you need to refer to the location of a file/note. |
| | | * On the client, this is normally stored in `document.body.dataset.slug` |
| | | */ |
| | | export type CanonicalSlug = SlugLike<"canonical"> |
| | | export function isCanonicalSlug(s: string): s is CanonicalSlug { |
| | | const validStart = s.startsWith("/") |
| | | const validEnding = s.length === 1 || (!s.endsWith("/") && !s.endsWith("/index")) |
| | | return !_containsForbiddenCharacters(s) && validStart && validEnding && !_hasFileExtension(s) |
| | | } |
| | | |
| | | export function slugify(s: string): string { |
| | | const [fp, anchor] = s.split("#", 2) |
| | | const sluggedAnchor = anchor === undefined ? "" : "#" + slugAnchor(anchor) |
| | | /** A relative link, can be found on `href`s but can also be constructed for |
| | | * client-side navigation (e.g. search and graph) |
| | | */ |
| | | export type RelativeURL = SlugLike<"relative"> |
| | | export function isRelativeURL(s: string): s is RelativeURL { |
| | | const validStart = /^\.{1,2}/.test(s) |
| | | const validEnding = !s.endsWith("/") && !s.endsWith("/index") |
| | | return validStart && validEnding && !_hasFileExtension(s) |
| | | } |
| | | |
| | | /** A server side slug. This is what Quartz uses to emit files so uses index suffixes */ |
| | | export type ServerSlug = SlugLike<"server"> |
| | | export function isServerSlug(s: string): s is ServerSlug { |
| | | // must start with forward slash |
| | | const validStart = s.startsWith("/") |
| | | const validEnding = !s.endsWith("/") |
| | | return validStart && validEnding && !_containsForbiddenCharacters(s) && !_hasFileExtension(s) |
| | | } |
| | | |
| | | /** The real file path to a file on disk */ |
| | | export type FilePath = SlugLike<"filepath"> |
| | | export function isFilePath(s: string): s is FilePath { |
| | | return s.startsWith("/") && _hasFileExtension(s) |
| | | } |
| | | |
| | | export function getClientSlug(window: Window): ClientSlug { |
| | | return window.location.href as ClientSlug |
| | | } |
| | | |
| | | export function getCanonicalSlug(window: Window): CanonicalSlug { |
| | | return window.document.body.dataset.slug! as CanonicalSlug |
| | | } |
| | | |
| | | export function canonicalizeClient(slug: ClientSlug): CanonicalSlug { |
| | | const { pathname } = new URL(slug) |
| | | let fp = pathname |
| | | fp = fp.replace(new RegExp(path.extname(fp) + '$'), '') |
| | | return _canonicalize(fp) as CanonicalSlug |
| | | } |
| | | |
| | | export function canonicalizeServer(slug: ServerSlug): CanonicalSlug { |
| | | let fp = slug as string |
| | | return _canonicalize(fp) as CanonicalSlug |
| | | } |
| | | |
| | | export function slugifyFilePath(fp: FilePath): ServerSlug { |
| | | // strip file extension |
| | | const withoutFileExt = fp.replace(new RegExp(path.extname(fp) + '$'), '') |
| | | const rawSlugSegments = withoutFileExt.split(path.sep) |
| | | const slugParts: string = rawSlugSegments |
| | | .map((segment) => slugSegment(segment)) |
| | | .join(path.posix.sep) |
| | | .replace(/\/$/, '') |
| | | return path.normalize(slugParts) + sluggedAnchor |
| | | const slug = withoutFileExt |
| | | .split(path.sep) // fs can have diff interpretations of / |
| | | .map((segment) => segment.replace(/\s/g, '-')) // slugify all segments |
| | | .join('/') // always use / as sep |
| | | .replace(/\/$/, '') // remove trailing slash |
| | | |
| | | return slug as ServerSlug |
| | | } |
| | | |
| | | // resolve /a/b/c to ../../ |
| | | export function resolveToRoot(slug: string): string { |
| | | let fp = trimPathSuffix(slug) |
| | | export function transformInternalLink(link: string): RelativeURL { |
| | | let [fplike, anchor] = link.split("#", 2) |
| | | let segments = fplike.split("/").filter(x => x.length > 0) |
| | | let prefix = segments.filter(_isRelativeSegment).join("/") |
| | | let fp = "/" + segments.filter(seg => !_isRelativeSegment(seg)).join("/") |
| | | fp = canonicalizeServer(slugifyFilePath(fp as FilePath)) |
| | | |
| | | if (fp.endsWith("index")) { |
| | | fp = fp.slice(0, -"index".length) |
| | | } |
| | | |
| | | if (fp === "") { |
| | | return "." |
| | | } |
| | | let joined = [_stripSlashes(prefix), _stripSlashes(fp)].filter(x => x !== "").join("/") |
| | | anchor = anchor === undefined ? "" : '#' + slugAnchor(anchor) |
| | | return _addRelativeToStart(joined) + anchor as RelativeURL |
| | | } |
| | | |
| | | return "./" + fp |
| | | // resolve /a/b/c to ../../ |
| | | export function pathToRoot(slug: CanonicalSlug): RelativeURL { |
| | | let rootPath = slug |
| | | .split('/') |
| | | .filter(x => x !== '') |
| | | .map(_ => '..') |
| | | .join('/') |
| | | } |
| | | |
| | | export function relativeToRoot(slug: string, fp: string): string { |
| | | return path.join(resolveToRoot(slug), fp) |
| | | } |
| | | |
| | | export function relative(src: string, dest: string): string { |
| | | return "./" + path.relative(src, dest) |
| | | |
| | | return _addRelativeToStart(rootPath) as RelativeURL |
| | | } |
| | | |
| | | export const QUARTZ = "quartz" |
| | | |
| | | function _canonicalize(fp: string): string { |
| | | if (fp.endsWith("index")) { |
| | | fp = fp.slice(0, -"index".length) |
| | | } |
| | | |
| | | // remove trailing slash |
| | | if (fp.endsWith("/")) { |
| | | fp = fp.slice(0, -1) |
| | | } |
| | | |
| | | if (fp.length === 0) { |
| | | return "/" as CanonicalSlug |
| | | } |
| | | |
| | | return fp |
| | | } |
| | | |
| | | function _containsForbiddenCharacters(s: string): boolean { |
| | | return s.includes(" ") || s.includes("#") || s.includes("?") |
| | | } |
| | | |
| | | function _hasFileExtension(s: string): boolean { |
| | | return /\.[A-Za-z]+$/.test(s) |
| | | } |
| | | |
| | | function _isRelativeSegment(s: string): boolean { |
| | | return /^\.{0,2}$/.test(s) |
| | | } |
| | | |
| | | function _stripSlashes(s: string): string { |
| | | if (s.startsWith("/")) { |
| | | s = s.substring(1) |
| | | } |
| | | |
| | | if (s.endsWith("/")) { |
| | | s = s.slice(0, -1) |
| | | } |
| | | |
| | | return s |
| | | } |
| | | |
| | | function _addRelativeToStart(s: string): string { |
| | | if (s === "") { |
| | | s = "." |
| | | } |
| | | |
| | | if (!s.startsWith(".")) { |
| | | s = "./" + s |
| | | } |
| | | |
| | | return s |
| | | } |