feat: Migrate to enhanced-resolve.

lib/internal/Parser.js

@@ -1,11 +1,11 @@
 "use strict";
 
-const fs = require("fs");
-const assert = require("assert");
-const path = require("path");
-const Dependency = require("./Dependency");
-const resolveModule = require("../utils/resolveModule");
-const memoize = require("../utils/memoize");
+const fs = require("node:fs");
+const assert = require("node:assert");
+const path = require("node:path");
+const Dependency = require("./Dependency.js");
+const resolveModule = require("../utils/resolveModule.js");
+const memoize = require("../utils/memoize.js");
 
 class Parser {
   /** @readonly */
@@ -29,7 +29,7 @@ class Parser {
     return ast.program.body;
   });
   /**
-   * @type {(input: [id: string, basedir?: string]) => string}
+   * @type {(input: [id: string, directory?: string]) => string}
    * @readonly
    */
   #resolveModule = memoize(([id, basedir]) => resolveModule(id, basedir), {

lib/internal/Transformer.js

@@ -1,6 +1,6 @@
 "use strict";
 
-const memoize = require("../utils/memoize");
+const memoize = require("../utils/memoize.js");
 
 /**
  * @param {string} localName

lib/plugin.js

@@ -1,9 +1,9 @@
 "use strict";
 
-const Transformer = require("./internal/Transformer");
-const parseOptions = require("./utils/parseOptions");
-const Parser = require("./internal/Parser");
-const memoize = require("./utils/memoize");
+const Transformer = require("./internal/Transformer.js");
+const parseOptions = require("./utils/parseOptions.js");
+const Parser = require("./internal/Parser.js");
+const memoize = require("./utils/memoize.js");
 
 /**
  * @typedef {object} BabelAPI

lib/utils/parseOptions.js

@@ -1,6 +1,6 @@
 "use strict";
 
-const assert = require("assert");
+const assert = require("node:assert");
 
 /**
  * @param {object} options

lib/utils/resolveModule.js

@@ -1,31 +1,24 @@
 "use strict";
 
-const resolve = require("resolve");
+const fs = require("node:fs");
+const { CachedInputFileSystem, ResolverFactory } = require("enhanced-resolve");
 
-const MAIN_FIELDS = ["module", "esnext", "jsnext:main"];
-
-/**
- * @param {resolve.PackageJSON} pkg
- * @returns {resolve.PackageJSON}
- */
-function packageFilter(pkg) {
-  for (const key of MAIN_FIELDS) {
-    /* istanbul ignore else */
-    const main = pkg[key];
-    /* istanbul ignore else */
-    if (typeof main === "string" && main) {
-      return { ...pkg, main };
-    }
-  }
-  /* istanbul ignore next */
-  return pkg;
-}
+const resolver = ResolverFactory.createResolver({
+  useSyncFileSystemCalls: true,
+  extensions: [".mjs", ".js", ".json"],
+  mainFields: ["module", "esnext", "jsnext:main"],
+  fileSystem: new CachedInputFileSystem(fs, 4_000),
+});
 
 /**
  * @param {string} id
- * @param {string} [basedir]
+ * @param {string} [directory]
  * @returns {string}
  */
-module.exports = function resolveModule(id, basedir) {
-  return resolve.sync(id, { basedir, packageFilter });
+module.exports = function resolveModule(id, directory = __dirname) {
+  const result = resolver.resolveSync({}, directory, id);
+  if (!result) {
+    throw new Error(`Can't resolve '${id}' in '${directory}'`);
+  }
+  return result;
 };

lib/utils/resolveModule.spec.js

@@ -7,19 +7,18 @@ test("basic", () => {
   expect(resolveModule("@mui/material")).toMatchInlineSnapshot(
     `"<cwd>/node_modules/@mui/material/index.js"`
   );
+});
+
+test("deep module", () => {
   expect(resolveModule("@mui/material/Button")).toMatchInlineSnapshot(
     `"<cwd>/node_modules/@mui/material/Button/index.js"`
   );
+});
+
+test("invalid module", () => {
   expect(() =>
     resolveModule("@mui/core/Button")
   ).toThrowErrorMatchingInlineSnapshot(
-    `"Cannot find module '@mui/core/Button' from '<cwd>/lib/utils'"`
+    `"Can't resolve '@mui/core/Button' in '<cwd>/lib/utils'"`
   );
-
-  expect(() =>
-    resolveModule(
-      // @ts-expect-error
-      null
-    )
-  ).toThrowErrorMatchingInlineSnapshot(`"Path must be a string."`);
 });

package.json

@@ -66,7 +66,7 @@
     ]
   },
   "dependencies": {
-    "resolve": "^1.22.1"
+    "enhanced-resolve": "^5.12.0"
   },
   "devDependencies": {
     "@babel/core": "7.21.0",
@@ -82,7 +82,6 @@
     "@mui/system": "5.11.11",
     "@types/babel__core": "7.20.0",
     "@types/node": "18.14.4",
-    "@types/resolve": "1.20.2",
     "@umidbekk/configs": "0.2.0",
     "@vitest/coverage-c8": "^0.29.2",
     "eslint": "8.35.0",