Fix: correctly transform `import.meta.env.*` in MDX (#4858)

* fix: serialize route pattern for Netlify edge

Co-authored-by: Jackie Macharia <jackiewmacharia>

* fix: escape import.meta.env in MDX compiler output

* test: env vars in mdx

* chore: changeset

* deps: estree-util-visit, @types/estree

* feat: inject import.meta.env w/ recma

* feat: pull importMetaEnv from vite + astro configs

* test: `import.meta.env` in JSX

* fix: lockfile

* chore: update changeset

* fix: remove stray stashed commit

1 files changed, 0 insertions, 103 deletions

diff --git a/packages/integrations/mdx/src/astro-data-utils.ts b/packages/integrations/mdx/src/astro-data-utils.ts
deleted file mode 100644
index 9be96022e..000000000
--- a/packages/integrations/mdx/src/astro-data-utils.ts
+++ /dev/null
@@ -1,103 +0,0 @@
-import type { MarkdownAstroData } from 'astro';
-import type { Data, VFile } from 'vfile';
-import { jsToTreeNode } from './utils.js';
-
-export function remarkInitializeAstroData() {
-	return function (tree: any, vfile: VFile) {
-		if (!vfile.data.astro) {
-			vfile.data.astro = { frontmatter: {} };
-		}
-	};
-}
-
-const EXPORT_NAME = 'frontmatter';
-
-export function rehypeApplyFrontmatterExport(pageFrontmatter: Record<string, any>) {
-	return function (tree: any, vfile: VFile) {
-		const { frontmatter: injectedFrontmatter } = safelyGetAstroData(vfile.data);
-		const frontmatter = { ...injectedFrontmatter, ...pageFrontmatter };
-		const exportNodes = [
-			jsToTreeNode(`export const ${EXPORT_NAME} = ${JSON.stringify(frontmatter)};`),
-		];
-		if (frontmatter.layout) {
-			// NOTE(bholmesdev) 08-22-2022
-			// Using an async layout import (i.e. `const Layout = (await import...)`)
-			// Preserves the dev server import cache when globbing a large set of MDX files
-			// Full explanation: 'https://github.com/withastro/astro/pull/4428'
-			exportNodes.unshift(
-				jsToTreeNode(
-					/** @see 'vite-plugin-markdown' for layout props reference */
-					`import { jsx as layoutJsx } from 'astro/jsx-runtime';
-				
-				export default async function ({ children }) {
-					const Layout = (await import(${JSON.stringify(frontmatter.layout)})).default;
-					const { layout, ...content } = frontmatter;
-					content.file = file;
-					content.url = url;
-					content.astro = {};
-					Object.defineProperty(content.astro, 'headings', {
-						get() {
-							throw new Error('The "astro" property is no longer supported! To access "headings" from your layout, try using "Astro.props.headings."')
-						}
-					});
-					Object.defineProperty(content.astro, 'html', {
-						get() {
-							throw new Error('The "astro" property is no longer supported! To access "html" from your layout, try using "Astro.props.compiledContent()."')
-						}
-					});
-					Object.defineProperty(content.astro, 'source', {
-						get() {
-							throw new Error('The "astro" property is no longer supported! To access "source" from your layout, try using "Astro.props.rawContent()."')
-						}
-					});
-					return layoutJsx(Layout, {
-						file,
-						url,
-						content,
-						frontmatter: content,
-						headings: getHeadings(),
-						'server:root': true,
-						children,
-					});
-				};`
-				)
-			);
-		}
-		tree.children = exportNodes.concat(tree.children);
-	};
-}
-
-/**
- * Copied from markdown utils
- * @see "vite-plugin-utils"
- */
-function isValidAstroData(obj: unknown): obj is MarkdownAstroData {
-	if (typeof obj === 'object' && obj !== null && obj.hasOwnProperty('frontmatter')) {
-		const { frontmatter } = obj as any;
-		try {
-			// ensure frontmatter is JSON-serializable
-			JSON.stringify(frontmatter);
-		} catch {
-			return false;
-		}
-		return typeof frontmatter === 'object' && frontmatter !== null;
-	}
-	return false;
-}
-
-/**
- * Copied from markdown utils
- * @see "vite-plugin-utils"
- */
-export function safelyGetAstroData(vfileData: Data): MarkdownAstroData {
-	const { astro } = vfileData;
-
-	if (!astro) return { frontmatter: {} };
-	if (!isValidAstroData(astro)) {
-		throw Error(
-			`[MDX] A remark or rehype plugin tried to add invalid frontmatter. Ensure "astro.frontmatter" is a JSON object!`
-		);
-	}
-
-	return astro;
-}