From a5ba4af79930145f4edf66d45cd40ddad045cc86 Mon Sep 17 00:00:00 2001
From: Ben Holmes <hey@bholmes.dev>
Date: Thu, 22 Dec 2022 16:13:46 -0500
Subject: [PATCH] [MDX] Remove verbose migration logs (#5667)

* chore: remove markdown extends warnings

* chore: changeset
---
 .changeset/fluffy-cougars-care.md      |  5 ++++
 packages/integrations/mdx/src/index.ts | 33 ++++----------------------
 packages/integrations/mdx/src/utils.ts | 14 -----------
 3 files changed, 10 insertions(+), 42 deletions(-)
 create mode 100644 .changeset/fluffy-cougars-care.md

diff --git a/.changeset/fluffy-cougars-care.md b/.changeset/fluffy-cougars-care.md
new file mode 100644
index 000000000..e359d903f
--- /dev/null
+++ b/.changeset/fluffy-cougars-care.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/mdx': patch
+---
+
+Chore: remove verbose "Now interiting Markdown plugins..." logs
diff --git a/packages/integrations/mdx/src/index.ts b/packages/integrations/mdx/src/index.ts
index 20a6bee82..e0102bc00 100644
--- a/packages/integrations/mdx/src/index.ts
+++ b/packages/integrations/mdx/src/index.ts
@@ -14,7 +14,7 @@ import {
 	recmaInjectImportMetaEnvPlugin,
 	rehypeApplyFrontmatterExport,
 } from './plugins.js';
-import { getFileInfo, handleExtendsNotSupported, parseFrontmatter } from './utils.js';
+import { getFileInfo, parseFrontmatter } from './utils.js';
 
 const RAW_CONTENT_ERROR =
 	'MDX does not support rawContent()! If you need to read the Markdown contents to calculate values (ex. reading time), we suggest injecting frontmatter via remark plugins. Learn more on our docs: https://docs.astro.build/en/guides/integrations-guide/mdx/#inject-frontmatter-via-remark-or-rehype-plugins';
@@ -45,33 +45,10 @@ export default function mdx(mdxOptions: MdxOptions = {}): AstroIntegration {
 				addPageExtension('.mdx');
 				mdxOptions.extendPlugins ??= 'markdown';
 
-				handleExtendsNotSupported(mdxOptions.remarkPlugins);
-				handleExtendsNotSupported(mdxOptions.rehypePlugins);
-
-				// TODO: remove for 1.0. Shipping to ease migration to new minor
-				if (
-					mdxOptions.extendPlugins === 'markdown' &&
-					(config.markdown.rehypePlugins?.length || config.markdown.remarkPlugins?.length)
-				) {
-					console.info(
-						blue(`[MDX] Now inheriting remark and rehype plugins from "markdown" config.`)
-					);
-					console.info(
-						`If you applied a plugin to both your Markdown and MDX configs, we suggest ${bold(
-							'removing the duplicate MDX entry.'
-						)}`
-					);
-					console.info(`See "extendPlugins" option to configure this behavior.`);
-				}
-
-				let remarkRehypeOptions = mdxOptions.remarkRehype;
-
-				if (mdxOptions.extendPlugins === 'markdown') {
-					remarkRehypeOptions = {
-						...config.markdown.remarkRehype,
-						...remarkRehypeOptions,
-					};
-				}
+				const remarkRehypeOptions = {
+					...(mdxOptions.extendPlugins === 'markdown' ? config.markdown.remarkRehype : {}),
+					...mdxOptions.remarkRehype,
+				};
 
 				const mdxPluginOpts: MdxRollupPluginOptions = {
 					remarkPlugins: await getRemarkPlugins(mdxOptions, config),
diff --git a/packages/integrations/mdx/src/utils.ts b/packages/integrations/mdx/src/utils.ts
index e803dc300..516cfafb2 100644
--- a/packages/integrations/mdx/src/utils.ts
+++ b/packages/integrations/mdx/src/utils.ts
@@ -83,21 +83,7 @@ export function jsToTreeNode(
 	};
 }
 
-// TODO: remove for 1.0
-export function handleExtendsNotSupported(pluginConfig: any) {
-	if (
-		typeof pluginConfig === 'object' &&
-		pluginConfig !== null &&
-		(pluginConfig as any).hasOwnProperty('extends')
-	) {
-		throw new Error(
-			`[MDX] The "extends" plugin option is no longer supported! Astro now extends your project's \`markdown\` plugin configuration by default. To customize this behavior, see the \`extendPlugins\` option instead: https://docs.astro.build/en/guides/integrations-guide/mdx/#extendplugins`
-		);
-	}
-}
-
 // Following utils taken from `packages/astro/src/core/path.ts`:
-
 export function isRelativePath(path: string) {
 	return startsWithDotDotSlash(path) || startsWithDotSlash(path);
 }