feat(bases): migrate from vault to upstream

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

quartz/util/wikilinks.ts

@@ -0,0 +1,94 @@
+import { FilePath, FullSlug, slugifyFilePath } from "./path"
+
+export type WikilinkWithPosition = {
+  wikilink: ParsedWikilink
+  start: number
+  end: number
+}
+
+export type ParsedWikilink = {
+  raw: string
+  target: string
+  anchor?: string
+  alias?: string
+  embed: boolean
+}
+
+export type ResolvedWikilink = {
+  slug: FullSlug
+  anchor?: string
+}
+
+const wikilinkRegex = /^!?\[\[([^\]|#]+)(?:#([^\]|]+))?(?:\|([^\]]+))?\]\]$/
+
+export function parseWikilink(text: string): ParsedWikilink | null {
+  const trimmed = text.trim()
+  const match = wikilinkRegex.exec(trimmed)
+  if (!match) return null
+
+  const [, target, anchor, alias] = match
+  return {
+    raw: trimmed,
+    target: target?.trim() ?? "",
+    anchor: anchor?.trim(),
+    alias: alias?.trim(),
+    embed: trimmed.startsWith("!"),
+  }
+}
+
+export function resolveWikilinkTarget(
+  parsed: ParsedWikilink,
+  currentSlug: FullSlug,
+): ResolvedWikilink | null {
+  const target = parsed.target.trim()
+  if (!target) return null
+
+  if (target.startsWith("/")) {
+    const slug = slugifyFilePath(target.slice(1).replace(/\\/g, "/") as FilePath)
+    return { slug, anchor: parsed.anchor }
+  }
+
+  const currentParts = currentSlug.split("/")
+  const currentDir = currentParts.slice(0, -1)
+
+  const targetParts = target.replace(/\\/g, "/").split("/")
+  const resolved: string[] = [...currentDir]
+
+  for (const part of targetParts) {
+    if (part === "..") {
+      resolved.pop()
+    } else if (part !== "." && part.length > 0) {
+      resolved.push(part)
+    }
+  }
+
+  const slug = slugifyFilePath(resolved.join("/") as FilePath)
+  return { slug, anchor: parsed.anchor }
+}
+
+const globalWikilinkRegex = /!?\[\[([^\]|#]+)(?:#([^\]|]+))?(?:\|([^\]]+))?\]\]/g
+
+export function extractWikilinksWithPositions(text: string): WikilinkWithPosition[] {
+  const results: WikilinkWithPosition[] = []
+  let match: RegExpExecArray | null
+
+  globalWikilinkRegex.lastIndex = 0
+
+  while ((match = globalWikilinkRegex.exec(text)) !== null) {
+    const [fullMatch, target, anchor, alias] = match
+
+    results.push({
+      wikilink: {
+        raw: fullMatch,
+        target: target?.trim() ?? "",
+        anchor: anchor?.trim(),
+        alias: alias?.trim(),
+        embed: fullMatch.startsWith("!"),
+      },
+      start: match.index,
+      end: match.index + fullMatch.length,
+    })
+  }
+
+  return results
+}