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master @ 65 LINES
 
[ HISTORY ]  [ UP ]
 

// [[target]] and [[target|alias]] ? links, resolved against the wiki
// map at build time. Unresolved targets render as soft dead links, in
// the wiki tradition, rather than failing the build mid-draft.
import { buildWikiMap, resolveWikilink, type WikiMap } from "./wikilinks";

const WIKI_RE = /\[\[([^\]|]+)(?:\|([^\]]+))?\]\]/g;

interface MdNode {
  type: string;
  value?: string;
  children?: MdNode[];
  [key: string]: unknown;
}

const esc = (s: string) =>
  s.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");

export function wikiNodes(text: string, map: WikiMap): MdNode[] | null {
  if (!text.includes("[[")) return null;
  const out: MdNode[] = [];
  let last = 0;
  for (const m of text.matchAll(WIKI_RE)) {
    if (m.index! > last) out.push({ type: "text", value: text.slice(last, m.index)
 });
    const target = m[1].trim();
    const label = (m[2] ?? m[1]).trim();
    const url = resolveWikilink(target, map);
    out.push(
      url
        ? {
            type: "link",
            url,
            children: [{ type: "text", value: label }],
            data: { hProperties: { className: ["wikilink"] } },
          }
        : { type: "html", value: `<span class="wikilink-dead" title="unresolved: $
{esc(target)}">${esc(label)}</span>` },
    );
    last = m.index! + m[0].length;
  }
  if (!out.length) return null;
  if (last < text.length) out.push({ type: "text", value: text.slice(last) });
  return out;
}

function walk(node: MdNode, map: WikiMap) {
  if (!node.children) return;
  if (node.type === "link") return; // don't rewrite inside real links
  node.children = node.children.flatMap((child) => {
    if (child.type === "text" && child.value) {
      const replaced = wikiNodes(child.value, map);
      if (replaced) return replaced;
    }
    walk(child, map);
    return [child];
  });
}

let cache: WikiMap | null = null;

export function remarkWikilinks() {
  return (tree: MdNode) => {
    cache ??= buildWikiMap();
    walk(tree, cache);
  };
}


// [[target]] and [[target|alias]] ? links, 
resolved against the wiki
// map at build time. Unresolved targets ren
der as soft dead links, in
// the wiki tradition, rather than failing t
he build mid-draft.
import { buildWikiMap, resolveWikilink, type
 WikiMap } from "./wikilinks";

const WIKI_RE = /\[\[([^\]|]+)(?:\|([^\]]+))
?\]\]/g;

interface MdNode {
  type: string;
  value?: string;
  children?: MdNode[];
  [key: string]: unknown;
}

const esc = (s: string) =>
  s.replace(/&/g, "&amp;").replace(/</g, "&l
t;").replace(/>/g, "&gt;");

export function wikiNodes(text: string, map:
 WikiMap): MdNode[] | null {
  if (!text.includes("[[")) return null;
  const out: MdNode[] = [];
  let last = 0;
  for (const m of text.matchAll(WIKI_RE)) {
    if (m.index! > last) out.push({ type: "t
ext", value: text.slice(last, m.index) });
    const target = m[1].trim();
    const label = (m[2] ?? m[1]).trim();
    const url = resolveWikilink(target, map)
;
    out.push(
      url
        ? {
            type: "link",
            url,
            children: [{ type: "text", value
: label }],
            data: { hProperties: { className
: ["wikilink"] } },
          }
        : { type: "html", value: `<span clas
s="wikilink-dead" title="unresolved: ${esc(t
arget)}">${esc(label)}</span>` },
    );
    last = m.index! + m[0].length;
  }
  if (!out.length) return null;
  if (last < text.length) out.push({ type: "
text", value: text.slice(last) });
  return out;
}

function walk(node: MdNode, map: WikiMap) {
  if (!node.children) return;
  if (node.type === "link") return; // don't
 rewrite inside real links
  node.children = node.children.flatMap((chi
ld) => {
    if (child.type === "text" && child.value
) {
      const replaced = wikiNodes(child.value
, map);
      if (replaced) return replaced;
    }
    walk(child, map);
    return [child];
  });
}

let cache: WikiMap | null = null;

export function remarkWikilinks() {
  return (tree: MdNode) => {
    cache ??= buildWikiMap();
    walk(tree, cache);
  };
}

 
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