fix: support of imports field

fixes jestjs#13707

packages/jest-resolve/package.json

@@ -17,7 +17,6 @@
     "./package.json": "./package.json"
   },
   "dependencies": {
-    "@okikio/resolve.imports": "^1.0.0",
     "chalk": "^4.0.0",
     "graceful-fs": "^4.2.9",
     "jest-haste-map": "workspace:^",
@@ -26,6 +25,7 @@
     "jest-validate": "workspace:^",
     "resolve": "^1.20.0",
     "resolve.exports": "^1.1.0",
+    "resolve.imports": "^2.0.0",
     "slash": "^3.0.0"
   },
   "devDependencies": {

packages/jest-resolve/src/__mocks__/imports/array-import/package.json

@@ -0,0 +1,10 @@
+{
+  "name": "array-import",
+  "imports": {
+    "#nested": {
+      "import": ["./node.mjs", "./node-2.mjs"],
+      "browser": ["./not-exist.cjs", "./browser.cjs"],
+      "require": ["not-exist-package", "./node.cjs"]
+    }
+  }
+}

packages/jest-resolve/src/__mocks__/imports/nested-import/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "nested-import",
+  "imports": {
+    "#nested": {
+      "node": {
+        "import": "./node.mjs",
+        "require": "./node.cjs"
+      },
+      "default": "./browser.cjs"
+    }
+  }
+}

packages/jest-resolve/src/__tests__/resolve.test.ts

@@ -345,6 +345,51 @@ describe('findNodeModule', () => {
       );
     });
 
+    test('supports nested pattern', () => {
+      const result = Resolver.findNodeModule('#nested', {
+        basedir: path.resolve(importsRoot, './nested-import/index.cjs'),
+        conditions: ['node', 'require'],
+      });
+
+      expect(result).toEqual(
+        path.resolve(importsRoot, './nested-import/node.cjs'),
+      );
+    });
+
+    test('supports array pattern - resolve to first found', () => {
+      const result = Resolver.findNodeModule('#array-import', {
+        basedir: path.resolve(importsRoot, './array-import/index.cjs'),
+        conditions: ['import'],
+      });
+
+      expect(result).toEqual(
+        path.resolve(importsRoot, './array-import/node.mjs'),
+      );
+    });
+
+    test('supports array pattern - ignore not exist internal file', () => {
+      const result = Resolver.findNodeModule('#array-import', {
+        basedir: path.resolve(importsRoot, './array-import/index.cjs'),
+        conditions: ['browser'],
+      });
+
+      expect(result).toEqual(
+        path.resolve(importsRoot, './array-import/browser.cjs'),
+      );
+    });
+
+    test('supports array pattern - ignore not exist external module', () => {
+      // this is for optional dependency
+      const result = Resolver.findNodeModule('#array-import', {
+        basedir: path.resolve(importsRoot, './array-import/index.cjs'),
+        conditions: ['require'],
+      });
+
+      expect(result).toEqual(
+        path.resolve(importsRoot, './array-import/node.cjs'),
+      );
+    });
+
     test('fails for non-existent mapping', () => {
       expect(() => {
         Resolver.findNodeModule('#something-else', {

packages/jest-resolve/src/defaultResolver.ts

@@ -6,13 +6,13 @@
  */
 
 import {dirname, isAbsolute, resolve as pathResolve} from 'path';
-import {resolve as resolveImports} from '@okikio/resolve.imports';
 import pnpResolver from 'jest-pnp-resolver';
 import {SyncOpts as UpstreamResolveOptions, sync as resolveSync} from 'resolve';
 import {
   Options as ResolveExportsOptions,
   resolve as resolveExports,
 } from 'resolve.exports';
+import {resolve as resolveImports} from 'resolve.imports';
 import {
   findClosestPackageJson,
   isDirectory,
@@ -110,9 +110,7 @@ const defaultResolver: SyncResolver = (path, options) => {
     realpathSync,
   };
 
-  const pathToResolve = getPathInModule(path, resolveOptions);
-
-  const result = resolveSync(pathToResolve, resolveOptions);
+  const result = resolveByPathInModule(path, resolveOptions);
 
   // Dereference symlinks to ensure we don't create a separate
   // module instance depending on how it was referenced.
@@ -129,7 +127,7 @@ function readPackageSync(_: unknown, file: string): PackageJSON {
   return readPackageCached(file);
 }
 
-function getPathInModule(
+function resolveByPathInModule(
   path: string,
   options: UpstreamResolveOptionsWithConditions,
 ): string {
@@ -149,7 +147,11 @@ function getPathInModule(
     const pkg = readPackageCached(closestPackageJson);
 
     const resolved = resolveImports(
-      pkg,
+      {
+        base: options.basedir,
+        content: pkg,
+        path: closestPackageJson,
+      },
       path,
       createResolveOptions(options.conditions),
     );
@@ -160,12 +162,25 @@ function getPathInModule(
       );
     }
 
-    if (resolved.startsWith('.')) {
-      return pathResolve(dirname(closestPackageJson), resolved);
+    const resolvedValues = Array.isArray(resolved) ? resolved : [resolved];
+
+    for (const resolved of resolvedValues) {
+      const resolvedPath = resolveByPath(resolved);
+      try {
+        return resolveSync(resolvedPath, options);
+      } catch (e) {
+        continue;
+      }
     }
 
-    // this is an external module, re-resolve it
-    return defaultResolver(resolved, options);
+    function resolveByPath(resolved: string) {
+      if (resolved.startsWith('.')) {
+        return pathResolve(dirname(closestPackageJson!), resolved);
+      }
+
+      // this is an external module, re-resolve it
+      return defaultResolver(resolved, options);
+    }
   }
 
   const segments = path.split('/');

yarn.lock

@@ -3721,13 +3721,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@okikio/resolve.imports@npm:^1.0.0":
-  version: 1.0.0
-  resolution: "@okikio/resolve.imports@npm:1.0.0"
-  checksum: a06d347731b3c47e79125d346dd0172fda3cf20d138249f4ed23c5cc60b32f668f9bbab49698fc061ef5782d236622ff4cd0ce2b2520550273e863f55b687350
-  languageName: node
-  linkType: hard
-
 "@pkgr/utils@npm:^2.3.1":
   version: 2.3.1
   resolution: "@pkgr/utils@npm:2.3.1"
@@ -12891,7 +12884,6 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "jest-resolve@workspace:packages/jest-resolve"
   dependencies:
-    "@okikio/resolve.imports": ^1.0.0
     "@tsd/typescript": ^4.9.0
     "@types/graceful-fs": ^4.1.3
     "@types/pnpapi": ^0.0.2
@@ -12904,6 +12896,7 @@ __metadata:
     jest-validate: "workspace:^"
     resolve: ^1.20.0
     resolve.exports: ^1.1.0
+    resolve.imports: ^2.0.0
     slash: ^3.0.0
     tsd-lite: ^0.6.0
   languageName: unknown
@@ -16422,6 +16415,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"pattern-key-compare@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "pattern-key-compare@npm:2.0.0"
+  checksum: cded15070cddbc5ef7b97c1b91371bcf59ff931f8afe383d2323f935891e6c4517bd76154f5edc2b1ab53c6fbeeb0711b9db43af592064482d0a9ccf03dd507c
+  languageName: node
+  linkType: hard
+
 "pend@npm:~1.2.0":
   version: 1.2.0
   resolution: "pend@npm:1.2.0"
@@ -18366,6 +18366,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"resolve.imports@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "resolve.imports@npm:2.0.0"
+  dependencies:
+    pattern-key-compare: ^2.0.0
+  checksum: ad914fcd84f656888ada484a45f4ff09429b99cd896a4a4a28bbc0676a795a528a7760125e297951d8b314584fb72da428a09d0e7f1d60d4d48bfb093d996609
+  languageName: node
+  linkType: hard
+
 "resolve@npm:^1.1.6, resolve@npm:^1.10.0, resolve@npm:^1.14.2, resolve@npm:^1.19.0, resolve@npm:^1.20.0, resolve@npm:^1.22.0, resolve@npm:^1.3.2":
   version: 1.22.1
   resolution: "resolve@npm:1.22.1"