From dbc3e0dfd893435f31cca39873f7ba9bf13b93a6 Mon Sep 17 00:00:00 2001 From: nsfisis Date: Wed, 9 Apr 2025 20:27:54 +0900 Subject: feat(blog/nuldoc): change format of nuldoc builder from .ndoc to .dj --- vhosts/blog/nuldoc-src/ndoc/to_html.ts | 292 --------------------------------- 1 file changed, 292 deletions(-) delete mode 100644 vhosts/blog/nuldoc-src/ndoc/to_html.ts (limited to 'vhosts/blog/nuldoc-src/ndoc/to_html.ts') 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 { - 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]+)(.*)$/s.exec(restContent); - if (!match) { - newChildren.push({ kind: "text", content: restContent, raw: false }); - restContent = ""; - break; - } - const [_, prefix, url, suffix] = match; - newChildren.push({ kind: "text", content: prefix, raw: false }); - newChildren.push({ - kind: "element", - name: "a", - attributes: new Map([["href", url]]), - children: [{ kind: "text", content: url, raw: false }], - }); - restContent = suffix; - } - } - n.children = newChildren; - }); -} - -function transformSectionIdAttribute(doc: Document) { - const sectionStack: string[] = []; - const usedIds = new Set(); - - const processNode = (n: Node) => { - if (n.kind !== "element") { - return; - } - - if (n.name === "section") { - const idAttr = n.attributes.get("id"); - if (!idAttr) { - return; - } - - let newId: string; - if (sectionStack.length === 0) { - newId = `section--${idAttr}`; - } else { - newId = `section--${sectionStack.join("--")}--${idAttr}`; - } - - if (usedIds.has(newId)) { - throw new NuldocError( - `[nuldoc.tohtml] Duplicate section ID: ${newId}`, - ); - } - - usedIds.add(newId); - n.attributes.set("id", newId); - sectionStack.push(idAttr); - - forEachChild(n, processNode); - - sectionStack.pop(); - } else { - forEachChild(n, processNode); - } - }; - - forEachChild(doc.root, processNode); -} - -function setSectionTitleAnchor(doc: Document) { - const sectionStack: Element[] = []; - const g = (c: Node) => { - if (c.kind !== "element") { - return; - } - - if (c.name === "section") { - sectionStack.push(c); - } - forEachChild(c, g); - if (c.name === "section") { - sectionStack.pop(); - } - if (c.name === "h") { - const currentSection = sectionStack[sectionStack.length - 1]; - if (!currentSection) { - throw new NuldocError( - "[nuldoc.tohtml] element must be inside
", - ); - } - const sectionId = currentSection.attributes.get("id"); - const aElement: Element = { - kind: "element", - name: "a", - attributes: new Map(), - children: c.children, - }; - aElement.attributes.set("href", `#${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 - // x - // - // [1] - // - //
- // 1. RAS syndrome - //
- 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"); - }); -} -- cgit v1.2.3-70-g09d2