index.ts — astro Source File

Source Code

import fs from 'node:fs';
import { fileURLToPath, pathToFileURL } from 'node:url';
import {
	createMarkdownProcessor,
	isFrontmatterValid,
	type MarkdownProcessor,
} from '@astrojs/markdown-remark';
import type { Plugin } from 'vite';
import { safeParseFrontmatter } from '../content/utils.js';
import { AstroError, AstroErrorData } from '../core/errors/index.js';
import type { Logger } from '../core/logger/core.js';
import { isMarkdownFile, isPage } from '../core/util.js';
import { normalizePath } from '../core/viteUtils.js';
import { shorthash } from '../runtime/server/shorthash.js';
import type { AstroSettings } from '../types/astro.js';
import { createDefaultAstroMetadata } from '../vite-plugin-astro/metadata.js';
import { getFileInfo, specialQueriesRE } from '../vite-plugin-utils/index.js';
import { getMarkdownCodeForImages, type MarkdownImagePath } from './images.js';
import { SUPPORTED_MARKDOWN_FILE_EXTENSIONS } from '../core/constants.js';

interface AstroPluginOptions {
	settings: AstroSettings;
	logger: Logger;
}

const astroServerRuntimeModulePath = normalizePath(
	fileURLToPath(new URL('../runtime/server/index.js', import.meta.url)),
);

const astroErrorModulePath = normalizePath(
	fileURLToPath(new URL('../core/errors/index.js', import.meta.url)),
);

export default function markdown({ settings, logger }: AstroPluginOptions): Plugin {
	let processor: Promise<MarkdownProcessor> | undefined;

	return {
		enforce: 'pre',
		name: 'astro:markdown',
		buildEnd() {
			processor = undefined;
		},
		resolveId: {
			filter: {
				// Do not match sources that start with /
				id: /^[^/]/,
			},
			async handler(source, importer, options) {
				if (importer?.endsWith('.md')) {
					let resolved = await this.resolve(source, importer, options);
					if (!resolved) resolved = await this.resolve('./' + source, importer, options);
					return resolved;
				}
			},
		},
		// Why not the "transform" hook instead of "load" + readFile?
		// A: Vite transforms all "import.meta.env" references to their values before
		// passing to the transform hook. This lets us get the truly raw value
		// to escape "import.meta.env" ourselves.
		load: {
// ... (135 more lines)