147 lines
4.1 KiB
JavaScript
147 lines
4.1 KiB
JavaScript
import {
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detectFeatures,
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getDefaultConfig,
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parse,
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parseSlide,
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parseSync,
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prettify,
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prettifySlide,
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resolveConfig,
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resolveFonts,
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stringify,
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stringifySlide,
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verifyConfig
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} from "./chunk-JZNWQ6OH.mjs";
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import {
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parseAspectRatio,
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parseRangeString
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} from "./chunk-47YLTX76.mjs";
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// src/fs.ts
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import fs from "node:fs";
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import { dirname, resolve } from "node:path";
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import { slash } from "@antfu/utils";
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import YAML from "yaml";
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var preparserExtensionLoader = null;
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function injectPreparserExtensionLoader(fn) {
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preparserExtensionLoader = fn;
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}
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async function load(userRoot, filepath, loadedSource = {}, mode) {
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const markdown = loadedSource[filepath] ?? fs.readFileSync(filepath, "utf-8");
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let extensions;
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if (preparserExtensionLoader) {
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const lines = markdown.split(/\r?\n/g);
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let hm = "";
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if (lines[0].match(/^---([^-].*)?$/) && !lines[1]?.match(/^\s*$/)) {
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let hEnd = 1;
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while (hEnd < lines.length && !lines[hEnd].trimEnd().match(/^---$/))
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hEnd++;
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hm = lines.slice(1, hEnd).join("\n");
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}
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const o = YAML.parse(hm) ?? {};
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extensions = await preparserExtensionLoader(o, filepath, mode);
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}
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const markdownFiles = {};
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const watchFiles = {};
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const slides = [];
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async function loadMarkdown(path, range, frontmatterOverride, importers) {
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let md = markdownFiles[path];
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if (!md) {
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const raw = loadedSource[path] ?? fs.readFileSync(path, "utf-8");
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md = await parse(raw, path, extensions);
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markdownFiles[path] = md;
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watchFiles[path] = /* @__PURE__ */ new Set();
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}
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const directImporter = importers?.at(-1);
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for (const index of parseRangeString(md.slides.length, range)) {
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const subSlide = md.slides[index - 1];
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try {
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await loadSlide(md, subSlide, frontmatterOverride, importers);
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} catch (e) {
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md.errors ??= [];
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md.errors.push({
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row: subSlide.start,
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message: `Error when loading slide: ${e}`
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});
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continue;
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}
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if (directImporter)
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(directImporter.imports ??= []).push(subSlide);
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}
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return md;
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}
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async function loadSlide(md, slide, frontmatterOverride, importChain) {
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if (slide.frontmatter.disabled || slide.frontmatter.hide)
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return;
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if (slide.frontmatter.src) {
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const [rawPath, rangeRaw] = slide.frontmatter.src.split("#");
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const path = slash(
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rawPath.startsWith("/") ? resolve(userRoot, rawPath.substring(1)) : resolve(dirname(slide.filepath), rawPath)
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);
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frontmatterOverride = {
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...slide.frontmatter,
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...frontmatterOverride
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};
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delete frontmatterOverride.src;
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if (!fs.existsSync(path)) {
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md.errors ??= [];
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md.errors.push({
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row: slide.start,
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message: `Imported markdown file not found: ${path}`
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});
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} else {
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await loadMarkdown(path, rangeRaw, frontmatterOverride, importChain ? [...importChain, slide] : [slide]);
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}
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} else {
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slides.push({
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frontmatter: { ...slide.frontmatter, ...frontmatterOverride },
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content: slide.content,
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revision: slide.revision,
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frontmatterRaw: slide.frontmatterRaw,
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note: slide.note,
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title: slide.title,
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level: slide.level,
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index: slides.length,
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importChain,
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source: slide
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});
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}
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}
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const entry = await loadMarkdown(slash(filepath));
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const headmatter = { ...entry.slides[0]?.frontmatter };
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if (slides[0]?.title)
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headmatter.title ??= slides[0].title;
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return {
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slides,
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entry,
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headmatter,
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features: detectFeatures(slides.map((s) => s.source.raw).join("")),
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markdownFiles,
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watchFiles
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};
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}
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async function save(markdown) {
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const fileContent = stringify(markdown);
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fs.writeFileSync(markdown.filepath, fileContent, "utf-8");
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return fileContent;
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}
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export {
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detectFeatures,
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getDefaultConfig,
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injectPreparserExtensionLoader,
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load,
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parse,
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parseAspectRatio,
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parseRangeString,
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parseSlide,
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parseSync,
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prettify,
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prettifySlide,
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resolveConfig,
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resolveFonts,
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save,
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stringify,
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stringifySlide,
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verifyConfig
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};
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