Remove resolve package and refactor db & studio exports (#11331)

Author: bluwy

.changeset/selfish-impalas-cough.md

@@ -0,0 +1,6 @@
+---
+'@astrojs/studio': patch
+'@astrojs/db': patch
+---
+
+Relaxes exports condition to allow importing ESM from CJS

.changeset/strong-news-yawn.md

@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Removes `resolve` package and simplify internal resolve check

.npmrc

@@ -4,11 +4,11 @@ link-workspace-packages=true
 save-workspace-protocol=false # This prevents the examples to have the `workspace:` prefix
 auto-install-peers=false
 
-# `github-slugger` is used by `vite-plugin-markdown-legacy`.
-# Temporarily hoist this until we remove the feature.
-public-hoist-pattern[]=github-slugger
 # Vite's esbuild optimizer has trouble optimizing `@astrojs/lit/client-shim.js`
 # which imports this dependency.
 public-hoist-pattern[]=@webcomponents/template-shadowroot
 # There's a lit dependency duplication somewhere causing multiple Lit versions error.
 public-hoist-pattern[]=*lit*
+# `astro sync` could try to import `@astrojs/db` but could fail due to linked dependencies in the monorepo.
+# We hoist it here so that it can easily resolve `@astrojs/db` without hardcoded handling.
+public-hoist-pattern[]=@astrojs/db

packages/astro/package.json

@@ -172,7 +172,6 @@
     "preferred-pm": "^3.1.3",
     "prompts": "^2.4.2",
     "rehype": "^13.0.1",
-    "resolve": "^1.22.8",
     "semver": "^7.6.2",
     "shiki": "^1.9.0",
     "string-width": "^7.1.0",
@@ -209,7 +208,6 @@
     "@types/js-yaml": "^4.0.9",
     "@types/probe-image-size": "^7.2.4",
     "@types/prompts": "^2.4.9",
-    "@types/resolve": "^1.20.6",
     "@types/semver": "^7.5.8",
     "@types/send": "^0.17.4",
     "@types/unist": "^3.0.2",

packages/astro/src/cli/install-package.ts

@@ -1,16 +1,13 @@
 import { createRequire } from 'node:module';
-import { pathToFileURL } from 'node:url';
 import boxen from 'boxen';
 import ci from 'ci-info';
 import { execa } from 'execa';
 import { bold, cyan, dim, magenta } from 'kleur/colors';
 import ora from 'ora';
 import preferredPM from 'preferred-pm';
 import prompts from 'prompts';
-import resolvePackage from 'resolve';
 import whichPm from 'which-pm';
-import { type Logger } from '../core/logger/core.js';
-const require = createRequire(import.meta.url);
+import type { Logger } from '../core/logger/core.js';
 
 type GetPackageOptions = {
 	skipAsk?: boolean;
@@ -25,17 +22,9 @@ export async function getPackage<T>(
 	otherDeps: string[] = []
 ): Promise<T | undefined> {
 	try {
-		// Custom resolution logic for @astrojs/db. Since it lives in our monorepo,
-		// the generic tryResolve() method doesn't work.
-		if (packageName === '@astrojs/db') {
-			const packageJsonLoc = require.resolve(packageName + '/package.json', {
-				paths: [options.cwd ?? process.cwd()],
-			});
-			const packageLoc = pathToFileURL(packageJsonLoc.replace(`package.json`, 'dist/index.js'));
-			const packageImport = await import(packageLoc.toString());
-			return packageImport as T;
-		}
-		await tryResolve(packageName, options.cwd ?? process.cwd());
+		// Try to resolve with `createRequire` first to prevent ESM caching of the package
+		// if it errors and fails here
+		createRequire(options.cwd ?? process.cwd()).resolve(packageName);
 		const packageImport = await import(packageName);
 		return packageImport as T;
 	} catch (e) {
@@ -65,24 +54,6 @@ export async function getPackage<T>(
 	}
 }
 
-function tryResolve(packageName: string, cwd: string) {
-	return new Promise((resolve, reject) => {
-		resolvePackage(
-			packageName,
-			{
-				basedir: cwd,
-			},
-			(err) => {
-				if (err) {
-					reject(err);
-				} else {
-					resolve(0);
-				}
-			}
-		);
-	});
-}
-
 function getInstallCommand(packages: string[], packageManager: string) {
 	switch (packageManager) {
 		case 'npm':

packages/db/package.json

@@ -17,22 +17,22 @@
   "exports": {
     ".": {
       "types": "./index.d.ts",
-      "import": "./dist/index.js"
+      "default": "./dist/index.js"
     },
     "./utils": {
       "types": "./dist/utils.d.ts",
-      "import": "./dist/utils.js"
+      "default": "./dist/utils.js"
     },
     "./runtime": {
       "types": "./dist/runtime/index.d.ts",
-      "import": "./dist/runtime/index.js"
+      "default": "./dist/runtime/index.js"
     },
     "./dist/runtime/virtual.js": {
-      "import": "./dist/runtime/virtual.js"
+      "default": "./dist/runtime/virtual.js"
     },
     "./types": {
       "types": "./dist/core/types.d.ts",
-      "import": "./dist/core/types.js"
+      "default": "./dist/core/types.js"
     },
     "./package.json": "./package.json"
   },

packages/studio/package.json

@@ -17,7 +17,7 @@
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
-      "import": "./dist/index.js"
+      "default": "./dist/index.js"
     },
     "./package.json": "./package.json"
   },