From cd381fa603436ece157972db3348cfca656fd230 Mon Sep 17 00:00:00 2001
From: Evan Wallace <evan.exe@gmail.com>
Date: Sun, 7 Mar 2021 21:22:36 -0800
Subject: [PATCH] some more "exports" tests

---
 internal/bundler/bundler_packagejson_test.go  | 44 +++++++++++++++++++
 .../snapshots/snapshots_packagejson.txt       |  9 ++++
 scripts/end-to-end-tests.js                   | 28 ++++++++++++
 3 files changed, 81 insertions(+)

diff --git a/internal/bundler/bundler_packagejson_test.go b/internal/bundler/bundler_packagejson_test.go
index 47a0fe2737a..e4ad5a2e8ea 100644
--- a/internal/bundler/bundler_packagejson_test.go
+++ b/internal/bundler/bundler_packagejson_test.go
@@ -1569,3 +1569,47 @@ func TestPackageJsonExportsNeutral(t *testing.T) {
 		},
 	})
 }
+
+func TestPackageJsonExportsOrderIndependent(t *testing.T) {
+	packagejson_suite.expectBundled(t, bundled{
+		files: map[string]string{
+			"/Users/user/project/src/entry.js": `
+				import 'pkg1/foo/bar.js'
+				import 'pkg2/foo/bar.js'
+			`,
+			"/Users/user/project/node_modules/pkg1/package.json": `
+				{
+					"exports": {
+						"./": "./1/",
+						"./foo/": "./2/"
+					}
+				}
+			`,
+			"/Users/user/project/node_modules/pkg1/1/foo/bar.js": `
+				console.log('FAILURE')
+			`,
+			"/Users/user/project/node_modules/pkg1/2/bar.js": `
+				console.log('SUCCESS')
+			`,
+			"/Users/user/project/node_modules/pkg2/package.json": `
+				{
+					"exports": {
+						"./foo/": "./1/",
+						"./": "./2/"
+					}
+				}
+			`,
+			"/Users/user/project/node_modules/pkg2/1/bar.js": `
+				console.log('SUCCESS')
+			`,
+			"/Users/user/project/node_modules/pkg2/2/foo/bar.js": `
+				console.log('FAILURE')
+			`,
+		},
+		entryPaths: []string{"/Users/user/project/src/entry.js"},
+		options: config.Options{
+			Mode:          config.ModeBundle,
+			AbsOutputFile: "/Users/user/project/out.js",
+		},
+	})
+}
diff --git a/internal/bundler/snapshots/snapshots_packagejson.txt b/internal/bundler/snapshots/snapshots_packagejson.txt
index 941ef534115..daa6e51c59f 100644
--- a/internal/bundler/snapshots/snapshots_packagejson.txt
+++ b/internal/bundler/snapshots/snapshots_packagejson.txt
@@ -446,6 +446,15 @@ TestPackageJsonExportsNode
 // Users/user/project/node_modules/pkg/node.js
 console.log("SUCCESS");
 
+================================================================================
+TestPackageJsonExportsOrderIndependent
+---------- /Users/user/project/out.js ----------
+// Users/user/project/node_modules/pkg1/2/bar.js
+console.log("SUCCESS");
+
+// Users/user/project/node_modules/pkg2/1/bar.js
+console.log("SUCCESS");
+
 ================================================================================
 TestPackageJsonExportsRequireOverImport
 ---------- /Users/user/project/out.js ----------
diff --git a/scripts/end-to-end-tests.js b/scripts/end-to-end-tests.js
index 13a679b7d6b..09d0996d55a 100644
--- a/scripts/end-to-end-tests.js
+++ b/scripts/end-to-end-tests.js
@@ -2808,6 +2808,34 @@
           }
         }`,
       }),
+      test(['in.js', '--outfile=node.js', '--format=esm'].concat(flags), {
+        'in.js': `import abc from 'pkg/foo'; if (abc !== 123) throw 'fail'`,
+        'package.json': `{ "type": "module" }`,
+        'node_modules/pkg/yes.js': `export default 123`,
+        'node_modules/pkg/package.json': `{
+          "type": "module",
+          "exports": {
+            "./foo": [
+              { "unused": "./no.js" },
+              "./yes.js"
+            ]
+          }
+        }`,
+      }),
+      test(['in.js', '--outfile=node.js', '--format=esm'].concat(flags), {
+        'in.js': `import abc from 'pkg/foo'; if (abc !== 123) throw 'fail'`,
+        'package.json': `{ "type": "module" }`,
+        'node_modules/pkg/yes.js': `export default 123`,
+        'node_modules/pkg/package.json': `{
+          "type": "module",
+          "exports": {
+            "./foo": [
+              { "default": "./yes.js" },
+              "./no.js"
+            ]
+          }
+        }`,
+      }),
     )
   }