Cleanup internal breaking changes (#5724)

* Remove Astro.glob template literal trick

* Remove RenderTemplateResult toString

* Remove astro add volar warning

* Add changeset

4 files changed, 7 insertions, 33 deletions

diff --git a/.changeset/serious-cats-jog.md b/.changeset/serious-cats-jog.md
new file mode 100644
index 000000000..467424a19
--- /dev/null
+++ b/.changeset/serious-cats-jog.md
@@ -0,0 +1,5 @@
+---
+'astro': major
+---
+
+Remove outdated Vue info log. Remove `toString` support for `RenderTemplateResult`.
diff --git a/packages/astro/src/core/add/index.ts b/packages/astro/src/core/add/index.ts
index 536cbe2f9..fd7d66d15 100644
--- a/packages/astro/src/core/add/index.ts
+++ b/packages/astro/src/core/add/index.ts
@@ -801,7 +801,7 @@ async function updateTSConfig(
 
 	// Every major framework, apart from Vue and Svelte requires different `jsxImportSource`, as such it's impossible to config
 	// all of them in the same `tsconfig.json`. However, Vue only need `"jsx": "preserve"` for template intellisense which
-	// can be compatible with some frameworks (ex: Solid), though ultimately run into issues on the current version of Volar
+	// can be compatible with some frameworks (ex: Solid)
 	const conflictingIntegrations = [...Object.keys(presets).filter((config) => config !== 'vue')];
 	const hasConflictingIntegrations =
 		integrations.filter((integration) => presets.has(integration)).length > 1 &&
@@ -821,26 +821,6 @@ async function updateTSConfig(
 		);
 	}
 
-	// TODO: Remove this when Volar 1.0 ships, as it fixes the issue.
-	// Info: https://github.com/johnsoncodehk/volar/discussions/592#discussioncomment-3660903
-	if (
-		integrations.includes('vue') &&
-		hasConflictingIntegrations &&
-		((outputConfig.compilerOptions?.jsx !== 'preserve' &&
-			outputConfig.compilerOptions?.jsxImportSource !== undefined) ||
-			integrations.includes('react')) // https://docs.astro.build/en/guides/typescript/#vue-components-are-mistakenly-typed-by-the-typesreact-package-when-installed
-	) {
-		info(
-			logging,
-			null,
-			red(
-				`  ${bold(
-					'Caution:'
-				)} Using Vue together with a JSX framework can lead to type checking issues inside Vue files.\n  More information: https://docs.astro.build/en/guides/typescript/#vue-components-are-mistakenly-typed-by-the-typesreact-package-when-installed\n`
-			)
-		);
-	}
-
 	if (await askToContinue({ flags })) {
 		await fs.writeFile(inputConfig?.path ?? path.join(cwd, 'tsconfig.json'), output, {
 			encoding: 'utf-8',
diff --git a/packages/astro/src/runtime/server/render/astro/render-template.ts b/packages/astro/src/runtime/server/render/astro/render-template.ts
index 66930594b..fc1442422 100644
--- a/packages/astro/src/runtime/server/render/astro/render-template.ts
+++ b/packages/astro/src/runtime/server/render/astro/render-template.ts
@@ -32,11 +32,6 @@ export class RenderTemplateResult {
 		});
 	}
 
-	// TODO this is legacy and should be removed in 2.0
-	get [Symbol.toStringTag]() {
-		return 'AstroComponent';
-	}
-
 	async *[Symbol.asyncIterator]() {
 		const { htmlParts, expressions } = this;
 
diff --git a/packages/astro/src/vite-plugin-astro-postprocess/index.ts b/packages/astro/src/vite-plugin-astro-postprocess/index.ts
index 435457a5d..0fa4032e3 100644
--- a/packages/astro/src/vite-plugin-astro-postprocess/index.ts
+++ b/packages/astro/src/vite-plugin-astro-postprocess/index.ts
@@ -46,13 +46,7 @@ export default function astro(_opts: AstroPluginOptions): Plugin {
 						const firstArgStart = node.arguments[0].start;
 						const firstArgEnd = node.arguments[0].end;
 						const lastArgEnd = node.arguments[node.arguments.length - 1].end;
-						let firstArg = code.slice(firstArgStart, firstArgEnd);
-						// If argument is template literal, try convert to a normal string.
-						// This is needed for compat with previous recast strategy.
-						// TODO: Remove in Astro 2.0
-						if (firstArg.startsWith('`') && firstArg.endsWith('`') && !firstArg.includes('${')) {
-							firstArg = JSON.stringify(firstArg.slice(1, -1));
-						}
+						const firstArg = code.slice(firstArgStart, firstArgEnd);
 						s ??= new MagicString(code);
 						s.overwrite(
 							firstArgStart,