feat(blog/nuldoc): change format of nuldoc builder from .ndoc to .dj

1 files changed, 0 insertions, 292 deletions

diff --git a/vhosts/blog/nuldoc-src/ndoc/to_html.ts b/vhosts/blog/nuldoc-src/ndoc/to_html.ts
deleted file mode 100644
index a82f0333..00000000
--- a/vhosts/blog/nuldoc-src/ndoc/to_html.ts
+++ /dev/null
@@ -1,292 +0,0 @@
-import { BundledLanguage, bundledLanguages, codeToHtml } from "shiki";
-import { Document } from "./document.ts";
-import { NuldocError } from "../errors.ts";
-import {
-  addClass,
-  Element,
-  forEachChild,
-  forEachChildRecursively,
-  forEachChildRecursivelyAsync,
-  Node,
-  RawHTML,
-  Text,
-} from "../dom.ts";
-
-export default async function toHtml(doc: Document): Promise<Document> {
-  removeUnnecessaryTextNode(doc);
-  transformLinkLikeToAnchorElement(doc);
-  transformSectionIdAttribute(doc);
-  setSectionTitleAnchor(doc);
-  transformSectionTitleElement(doc);
-  transformNoteElement(doc);
-  addAttributesToExternalLinkElement(doc);
-  setDefaultLangAttribute(doc);
-  traverseFootnotes(doc);
-  await transformAndHighlightCodeBlockElement(doc);
-  return doc;
-}
-
-function removeUnnecessaryTextNode(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element") {
-      return;
-    }
-
-    let changed = true;
-    while (changed) {
-      changed = false;
-      if (n.children.length === 0) {
-        break;
-      }
-      const firstChild = n.children[0];
-      if (firstChild.kind === "text" && firstChild.content.trim() === "") {
-        n.children.shift();
-        changed = true;
-      }
-      if (n.children.length === 0) {
-        break;
-      }
-      const lastChild = n.children[n.children.length - 1];
-      if (lastChild.kind === "text" && lastChild.content.trim() === "") {
-        n.children.pop();
-        changed = true;
-      }
-    }
-  });
-}
-
-function transformLinkLikeToAnchorElement(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (
-      n.kind !== "element" || n.name === "a" || n.name === "code" ||
-      n.name === "codeblock"
-    ) {
-      return;
-    }
-
-    const newChildren: Node[] = [];
-    for (const child of n.children) {
-      if (child.kind !== "text") {
-        newChildren.push(child);
-        continue;
-      }
-      let restContent = child.content;
-      while (restContent !== "") {
-        const match = /^(.*?)(https?:\/\/[^ \n]+)(.*)$/s.exec(restContent);
-        if (!match) {
-          newChildren.push({ kind: "text", content: restContent, raw: false });
-          restContent = "";
-          break;
-        }
-        const [_, prefix, url, suffix] = match;
-        newChildren.push({ kind: "text", content: prefix, raw: false });
-        newChildren.push({
-          kind: "element",
-          name: "a",
-          attributes: new Map([["href", url]]),
-          children: [{ kind: "text", content: url, raw: false }],
-        });
-        restContent = suffix;
-      }
-    }
-    n.children = newChildren;
-  });
-}
-
-function transformSectionIdAttribute(doc: Document) {
-  const sectionStack: string[] = [];
-  const usedIds = new Set<string>();
-
-  const processNode = (n: Node) => {
-    if (n.kind !== "element") {
-      return;
-    }
-
-    if (n.name === "section") {
-      const idAttr = n.attributes.get("id");
-      if (!idAttr) {
-        return;
-      }
-
-      let newId: string;
-      if (sectionStack.length === 0) {
-        newId = `section--${idAttr}`;
-      } else {
-        newId = `section--${sectionStack.join("--")}--${idAttr}`;
-      }
-
-      if (usedIds.has(newId)) {
-        throw new NuldocError(
-          `[nuldoc.tohtml] Duplicate section ID: ${newId}`,
-        );
-      }
-
-      usedIds.add(newId);
-      n.attributes.set("id", newId);
-      sectionStack.push(idAttr);
-
-      forEachChild(n, processNode);
-
-      sectionStack.pop();
-    } else {
-      forEachChild(n, processNode);
-    }
-  };
-
-  forEachChild(doc.root, processNode);
-}
-
-function setSectionTitleAnchor(doc: Document) {
-  const sectionStack: Element[] = [];
-  const g = (c: Node) => {
-    if (c.kind !== "element") {
-      return;
-    }
-
-    if (c.name === "section") {
-      sectionStack.push(c);
-    }
-    forEachChild(c, g);
-    if (c.name === "section") {
-      sectionStack.pop();
-    }
-    if (c.name === "h") {
-      const currentSection = sectionStack[sectionStack.length - 1];
-      if (!currentSection) {
-        throw new NuldocError(
-          "[nuldoc.tohtml] <h> element must be inside <section>",
-        );
-      }
-      const sectionId = currentSection.attributes.get("id");
-      const aElement: Element = {
-        kind: "element",
-        name: "a",
-        attributes: new Map(),
-        children: c.children,
-      };
-      aElement.attributes.set("href", `#${sectionId}`);
-      c.children = [aElement];
-    }
-  };
-  forEachChild(doc.root, g);
-}
-
-function transformSectionTitleElement(doc: Document) {
-  let sectionLevel = 1;
-  const g = (c: Node) => {
-    if (c.kind !== "element") {
-      return;
-    }
-
-    if (c.name === "section") {
-      sectionLevel += 1;
-      c.attributes.set("--section-level", sectionLevel.toString());
-    }
-    forEachChild(c, g);
-    if (c.name === "section") {
-      sectionLevel -= 1;
-    }
-    if (c.name === "h") {
-      c.name = `h${sectionLevel}`;
-    }
-  };
-  forEachChild(doc.root, g);
-}
-
-function transformNoteElement(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element" || n.name !== "note") {
-      return;
-    }
-
-    const labelElement: Element = {
-      kind: "element",
-      name: "div",
-      attributes: new Map([["class", "admonition-label"]]),
-      children: [{
-        kind: "text",
-        content: "NOTE",
-        raw: false,
-      }],
-    };
-    const contentElement: Element = {
-      kind: "element",
-      name: "div",
-      attributes: new Map([["class", "admonition-content"]]),
-      children: n.children,
-    };
-    n.name = "div";
-    addClass(n, "admonition");
-    n.children = [
-      labelElement,
-      contentElement,
-    ];
-  });
-}
-
-function addAttributesToExternalLinkElement(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element" || n.name !== "a") {
-      return;
-    }
-
-    const href = n.attributes.get("href") ?? "";
-    if (!href.startsWith("http")) {
-      return;
-    }
-    n.attributes
-      .set("target", "_blank")
-      .set("rel", "noreferrer");
-  });
-}
-
-function setDefaultLangAttribute(_doc: Document) {
-  // TODO
-  // if (!e.attributes.has("lang")) {
-  //   e.attributes.set("lang", "ja-JP");
-  // }
-}
-
-function traverseFootnotes(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element" || n.name !== "footnote") {
-      return;
-    }
-
-    // TODO
-    // <footnote>x</footnote>
-    //
-    // <sup class="footnote">[<a id="_footnoteref_1" class="footnote" href="#_footnotedef_1">1</a>]</sup>
-    //
-    // <div class="footnote" id="_footnotedef_1">
-    //   <a href="#_footnoteref_1">1</a>. RAS syndrome
-    // </div>
-    n.name = "span";
-    n.children = [];
-  });
-}
-
-async function transformAndHighlightCodeBlockElement(doc: Document) {
-  await forEachChildRecursivelyAsync(doc.root, async (n) => {
-    if (n.kind !== "element" || n.name !== "codeblock") {
-      return;
-    }
-
-    const language = n.attributes.get("language") || "text";
-    const sourceCodeNode = n.children[0] as Text | RawHTML;
-    const sourceCode = sourceCodeNode.content;
-
-    const highlighted = await codeToHtml(sourceCode, {
-      lang: language in bundledLanguages ? language as BundledLanguage : "text",
-      theme: "github-light",
-      colorReplacements: {
-        "#fff": "#f5f5f5",
-      },
-    });
-
-    sourceCodeNode.content = highlighted;
-    sourceCodeNode.raw = true;
-    n.name = "div";
-    n.attributes.set("class", "codeblock");
-  });
-}