2675b8633c
* feat: inject vfile data as exports * feat: add vfile to renderMarkdown output * feat: add safe astroExports parser to utils * refactor: expose vite-plugin-utils on astro package * feat: handle astroExports in mdx * deps: vfile * chore: lockfile * test: astroExports in mdx * refactor: merge plugin exports into forntmatter * refactor: astroExports -> astro.frontmatter * refactor: md astroExports -> astro.frontmatter * feat: astro.frontmatter vite-plugin-markdown * chore: remove unused import * fix: inline safelyGetAstroData in MDX integration * chore: check that frontmatter export is valid export name * chore: error log naming * test: mdx remark frontmatter injection * fix: inconsistent shiki mod resolution * fix: add new frontmatter and heading props * test: remark vdata * fix: spread astro.data.frontmatter * test deps: mdast-util-to-string, reading-time * fix: astro-md test package name * test: md frontmatter injection * fix: layouts * deps: remove vite-plugin-utils export * fix: package lock * chore: remove dup import * chore: changeset * chore: add comment on safelyGetAstroData source * deps: move mdast-util-to-string + reading-time to test fixture * chore: move remark plugins to test fixture * fix: override plugin frontmatter with user frontmatter * test: md injected frontmatter overrides * test: frontmatter injection overrides mdx
85 lines
1.9 KiB
TypeScript
85 lines
1.9 KiB
TypeScript
import type { Options as AcornOpts } from 'acorn';
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import { parse } from 'acorn';
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import type { AstroConfig, SSRError } from 'astro';
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import type { MdxjsEsm } from 'mdast-util-mdx';
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import matter from 'gray-matter';
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function appendForwardSlash(path: string) {
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return path.endsWith('/') ? path : path + '/';
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}
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interface FileInfo {
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fileId: string;
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fileUrl: string;
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}
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/** @see 'vite-plugin-utils' for source */
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export function getFileInfo(id: string, config: AstroConfig): FileInfo {
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const sitePathname = appendForwardSlash(
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config.site ? new URL(config.base, config.site).pathname : config.base
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);
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// Try to grab the file's actual URL
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let url: URL | undefined = undefined;
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try {
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url = new URL(`file://${id}`);
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} catch {}
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const fileId = id.split('?')[0];
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let fileUrl: string;
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const isPage = fileId.includes('/pages/');
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if (isPage) {
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fileUrl = fileId.replace(/^.*?\/pages\//, sitePathname).replace(/(\/index)?\.mdx$/, '');
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} else if (url && url.pathname.startsWith(config.root.pathname)) {
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fileUrl = url.pathname.slice(config.root.pathname.length);
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} else {
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fileUrl = fileId;
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}
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if (fileUrl && config.trailingSlash === 'always') {
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fileUrl = appendForwardSlash(fileUrl);
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}
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return { fileId, fileUrl };
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}
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/**
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* Match YAML exception handling from Astro core errors
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* @see 'astro/src/core/errors.ts'
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*/
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export function parseFrontmatter(code: string, id: string) {
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try {
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return matter(code);
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} catch (e: any) {
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if (e.name === 'YAMLException') {
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const err: SSRError = e;
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err.id = id;
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err.loc = { file: e.id, line: e.mark.line + 1, column: e.mark.column };
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err.message = e.reason;
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throw err;
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} else {
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throw e;
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}
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}
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}
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export function jsToTreeNode(
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jsString: string,
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acornOpts: AcornOpts = {
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ecmaVersion: 'latest',
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sourceType: 'module',
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}
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): MdxjsEsm {
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return {
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type: 'mdxjsEsm',
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value: '',
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data: {
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estree: {
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body: [],
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...parse(jsString, acornOpts),
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type: 'Program',
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sourceType: 'module',
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},
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},
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};
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}
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