| | |
| | | import { slug } from "github-slugger" |
| | | import { slug as slugAnchor } from "github-slugger" |
| | | import type { Element as HastElement } from "hast" |
| | | import { clone } from "./clone" |
| | | // this file must be isomorphic so it can't use node libs (e.g. path) |
| | | |
| | | export const QUARTZ = "quartz" |
| | |
| | | export function isFullSlug(s: string): s is FullSlug { |
| | | const validStart = !(s.startsWith(".") || s.startsWith("/")) |
| | | const validEnding = !s.endsWith("/") |
| | | return validStart && validEnding && !_containsForbiddenCharacters(s) |
| | | return validStart && validEnding && !containsForbiddenCharacters(s) |
| | | } |
| | | |
| | | /** Shouldn't be a relative path and shouldn't have `/index` as an ending or a file extension. It _can_ however have a trailing slash to indicate a folder path. */ |
| | | export type SimpleSlug = SlugLike<"simple"> |
| | | export function isSimpleSlug(s: string): s is SimpleSlug { |
| | | const validStart = !(s.startsWith(".") || (s.length > 1 && s.startsWith("/"))) |
| | | const validEnding = !(s.endsWith("/index") || s === "index") |
| | | return validStart && !_containsForbiddenCharacters(s) && validEnding && !_hasFileExtension(s) |
| | | const validEnding = !endsWith(s, "index") |
| | | return validStart && !containsForbiddenCharacters(s) && validEnding && !_hasFileExtension(s) |
| | | } |
| | | |
| | | /** 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("/index") || s === "index") |
| | | const validEnding = !endsWith(s, "index") |
| | | return validStart && validEnding && ![".md", ".html"].includes(_getFileExtension(s) ?? "") |
| | | } |
| | | |
| | |
| | | return res |
| | | } |
| | | |
| | | function sluggify(s: string): string { |
| | | return s |
| | | .split("/") |
| | | .map((segment) => |
| | | segment |
| | | .replace(/\s/g, "-") |
| | | .replace(/&/g, "-and-") |
| | | .replace(/%/g, "-percent") |
| | | .replace(/\?/g, "") |
| | | .replace(/#/g, ""), |
| | | ) |
| | | .join("/") // always use / as sep |
| | | .replace(/\/$/, "") |
| | | } |
| | | |
| | | export function slugifyFilePath(fp: FilePath, excludeExt?: boolean): FullSlug { |
| | | fp = _stripSlashes(fp) as FilePath |
| | | fp = stripSlashes(fp) as FilePath |
| | | let ext = _getFileExtension(fp) |
| | | const withoutFileExt = fp.replace(new RegExp(ext + "$"), "") |
| | | if (excludeExt || [".md", ".html", undefined].includes(ext)) { |
| | | ext = "" |
| | | } |
| | | |
| | | let slug = withoutFileExt |
| | | .split("/") |
| | | .map((segment) => segment.replace(/\s/g, "-").replace(/%/g, "-percent").replace(/\?/g, "-q")) // slugify all segments |
| | | .join("/") // always use / as sep |
| | | .replace(/\/$/, "") // remove trailing slash |
| | | let slug = sluggify(withoutFileExt) |
| | | |
| | | // treat _index as index |
| | | if (_endsWith(slug, "_index")) { |
| | | if (endsWith(slug, "_index")) { |
| | | slug = slug.replace(/_index$/, "index") |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | export function simplifySlug(fp: FullSlug): SimpleSlug { |
| | | const res = _stripSlashes(_trimSuffix(fp, "index"), true) |
| | | const res = stripSlashes(trimSuffix(fp, "index"), true) |
| | | return (res.length === 0 ? "/" : res) as SimpleSlug |
| | | } |
| | | |
| | | export function transformInternalLink(link: string): RelativeURL { |
| | | let [fplike, anchor] = splitAnchor(decodeURI(link)) |
| | | |
| | | const folderPath = _isFolderPath(fplike) |
| | | const folderPath = isFolderPath(fplike) |
| | | let segments = fplike.split("/").filter((x) => x.length > 0) |
| | | let prefix = segments.filter(_isRelativeSegment).join("/") |
| | | let fp = segments.filter((seg) => !_isRelativeSegment(seg) && seg !== "").join("/") |
| | | let prefix = segments.filter(isRelativeSegment).join("/") |
| | | let fp = segments.filter((seg) => !isRelativeSegment(seg) && seg !== "").join("/") |
| | | |
| | | // manually add ext here as we want to not strip 'index' if it has an extension |
| | | const simpleSlug = simplifySlug(slugifyFilePath(fp as FilePath)) |
| | | const joined = joinSegments(_stripSlashes(prefix), _stripSlashes(simpleSlug)) |
| | | const joined = joinSegments(stripSlashes(prefix), stripSlashes(simpleSlug)) |
| | | const trail = folderPath ? "/" : "" |
| | | const res = (_addRelativeToStart(joined) + trail + anchor) as RelativeURL |
| | | return res |
| | |
| | | el.setAttribute(attr, rebased.pathname + rebased.hash) |
| | | } |
| | | export function normalizeRelativeURLs(el: Element | Document, destination: string | URL) { |
| | | el.querySelectorAll('[href^="./"], [href^="../"]').forEach((item) => |
| | | el.querySelectorAll('[href=""], [href^="./"], [href^="../"]').forEach((item) => |
| | | _rebaseHtmlElement(item, "href", destination), |
| | | ) |
| | | el.querySelectorAll('[src^="./"], [src^="../"]').forEach((item) => |
| | | el.querySelectorAll('[src=""], [src^="./"], [src^="../"]').forEach((item) => |
| | | _rebaseHtmlElement(item, "src", destination), |
| | | ) |
| | | } |
| | |
| | | } |
| | | } |
| | | |
| | | export function normalizeHastElement(el: HastElement, curBase: FullSlug, newBase: FullSlug) { |
| | | export function normalizeHastElement(rawEl: HastElement, curBase: FullSlug, newBase: FullSlug) { |
| | | const el = clone(rawEl) // clone so we dont modify the original page |
| | | _rebaseHastElement(el, "src", curBase, newBase) |
| | | _rebaseHastElement(el, "href", curBase, newBase) |
| | | if (el.children) { |
| | |
| | | |
| | | export function splitAnchor(link: string): [string, string] { |
| | | let [fp, anchor] = link.split("#", 2) |
| | | if (fp.endsWith(".pdf")) { |
| | | return [fp, anchor === undefined ? "" : `#${anchor}`] |
| | | } |
| | | anchor = anchor === undefined ? "" : "#" + slugAnchor(anchor) |
| | | return [fp, anchor] |
| | | } |
| | | |
| | | export function slugAnchor(anchor: string) { |
| | | return slug(anchor) |
| | | } |
| | | |
| | | export function slugTag(tag: string) { |
| | | return tag |
| | | .split("/") |
| | | .map((tagSegment) => slug(tagSegment)) |
| | | .map((tagSegment) => sluggify(tagSegment)) |
| | | .join("/") |
| | | } |
| | | |
| | | export function joinSegments(...args: string[]): string { |
| | | return args |
| | | .filter((segment) => segment !== "") |
| | | if (args.length === 0) { |
| | | return "" |
| | | } |
| | | |
| | | let joined = args |
| | | .filter((segment) => segment !== "" && segment !== "/") |
| | | .map((segment) => stripSlashes(segment)) |
| | | .join("/") |
| | | .replace(/\/\/+/g, "/") |
| | | |
| | | // if the first segment starts with a slash, add it back |
| | | if (args[0].startsWith("/")) { |
| | | joined = "/" + joined |
| | | } |
| | | |
| | | // if the last segment is a folder, add a trailing slash |
| | | if (args[args.length - 1].endsWith("/")) { |
| | | joined = joined + "/" |
| | | } |
| | | |
| | | return joined |
| | | } |
| | | |
| | | export function getAllSegmentPrefixes(tags: string): string[] { |
| | |
| | | if (opts.strategy === "relative") { |
| | | return targetSlug as RelativeURL |
| | | } else { |
| | | const folderTail = _isFolderPath(targetSlug) ? "/" : "" |
| | | const canonicalSlug = _stripSlashes(targetSlug.slice(".".length)) |
| | | const folderTail = isFolderPath(targetSlug) ? "/" : "" |
| | | const canonicalSlug = stripSlashes(targetSlug.slice(".".length)) |
| | | let [targetCanonical, targetAnchor] = splitAnchor(canonicalSlug) |
| | | |
| | | if (opts.strategy === "shortest") { |
| | |
| | | } |
| | | } |
| | | |
| | | function _isFolderPath(fplike: string): boolean { |
| | | // path helpers |
| | | function isFolderPath(fplike: string): boolean { |
| | | return ( |
| | | fplike.endsWith("/") || |
| | | _endsWith(fplike, "index") || |
| | | _endsWith(fplike, "index.md") || |
| | | _endsWith(fplike, "index.html") |
| | | endsWith(fplike, "index") || |
| | | endsWith(fplike, "index.md") || |
| | | endsWith(fplike, "index.html") |
| | | ) |
| | | } |
| | | |
| | | function _endsWith(s: string, suffix: string): boolean { |
| | | export function endsWith(s: string, suffix: string): boolean { |
| | | return s === suffix || s.endsWith("/" + suffix) |
| | | } |
| | | |
| | | function _trimSuffix(s: string, suffix: string): string { |
| | | if (_endsWith(s, suffix)) { |
| | | function trimSuffix(s: string, suffix: string): string { |
| | | if (endsWith(s, suffix)) { |
| | | s = s.slice(0, -suffix.length) |
| | | } |
| | | return s |
| | | } |
| | | |
| | | function _containsForbiddenCharacters(s: string): boolean { |
| | | return s.includes(" ") || s.includes("#") || s.includes("?") |
| | | function containsForbiddenCharacters(s: string): boolean { |
| | | return s.includes(" ") || s.includes("#") || s.includes("?") || s.includes("&") |
| | | } |
| | | |
| | | function _hasFileExtension(s: string): boolean { |
| | |
| | | return s.match(/\.[A-Za-z0-9]+$/)?.[0] |
| | | } |
| | | |
| | | function _isRelativeSegment(s: string): boolean { |
| | | function isRelativeSegment(s: string): boolean { |
| | | return /^\.{0,2}$/.test(s) |
| | | } |
| | | |
| | | export function _stripSlashes(s: string, onlyStripPrefix?: boolean): string { |
| | | export function stripSlashes(s: string, onlyStripPrefix?: boolean): string { |
| | | if (s.startsWith("/")) { |
| | | s = s.substring(1) |
| | | } |