diff --git a/packages/list-exports/index.js b/packages/list-exports/index.js
index dc94edc..f101a99 100644
--- a/packages/list-exports/index.js
+++ b/packages/list-exports/index.js
@@ -541,18 +541,20 @@ function traverseExportsSubdir({
 		problems.add(`\`${lhs}\`: \`${rhs}\` is not a directory!`);
 	} else {
 		const subtree = rhs === './' ? legacy.tree : legacy.tree.get(rhs);
-		traverseExportsSubtree({
-			tree,
-			subtree,
-			problems,
-			packageDir,
-			packageExports,
-			mains,
-			dir: '.',
-			lhs,
-			rhs,
-			category,
-		});
+		if (subtree) {
+			traverseExportsSubtree({
+				tree,
+				subtree,
+				problems,
+				packageDir,
+				packageExports,
+				mains,
+				dir: '.',
+				lhs,
+				rhs,
+				category,
+			});
+		}
 	}
 }
 
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/expected/broken-dir-slash-conditions.json b/packages/tests/fixtures/ex-conditions-in-folder/expected/broken-dir-slash-conditions.json
new file mode 100644
index 0000000..10c0bc3
--- /dev/null
+++ b/packages/tests/fixtures/ex-conditions-in-folder/expected/broken-dir-slash-conditions.json
@@ -0,0 +1,100 @@
+{
+	"name": "ex-conditions-in-folder",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "broken-dir-slash-conditions",
+		"broken-dir-slash-conditions": {
+			"import": {
+				".": "./mjs/index.mjs"
+			},
+			"require": {
+				".": "./cjs/index.js",
+				"./package.json": "./package.json"
+			},
+			"files": [
+				"./package.json",
+				"./cjs/index.js",
+				"./mjs/index.mjs"
+			],
+			"tree": {
+				"cjs": {
+					"index.js": [
+						"."
+					]
+				},
+				"package.json": [
+					"./package.json"
+				],
+				"mjs": {
+					"index.mjs": [
+						"."
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./cjs/index.js",
+				"./": "./cjs/index.js",
+				"./cjs": "./cjs/index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./cjs/": "./cjs/index.js",
+				"./cjs/index": "./cjs/index.js",
+				"./cjs/index.js": "./cjs/index.js",
+				"./cjs/utils": "./cjs/utils.js",
+				"./cjs/utils.js": "./cjs/utils.js",
+				"./mjs/index.mjs": "./mjs/index.mjs",
+				"./mjs/utils.mjs": "./mjs/utils.mjs"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./cjs/index.js",
+				"./cjs/utils.js",
+				"./mjs/index.mjs",
+				"./mjs/utils.mjs"
+			],
+			"tree": {
+				"index.js": [
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"cjs": {
+					"index.js": [
+						".",
+						"./",
+						"./cjs",
+						"./cjs/",
+						"./cjs/index.js",
+						"./cjs/index"
+					],
+					"utils.js": [
+						"./cjs/utils.js",
+						"./cjs/utils"
+					]
+				},
+				"mjs": {
+					"index.mjs": [
+						"./mjs/index.mjs"
+					],
+					"utils.mjs": [
+						"./mjs/utils.mjs"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/expected/broken.json b/packages/tests/fixtures/ex-conditions-in-folder/expected/broken.json
new file mode 100644
index 0000000..6c0bcaf
--- /dev/null
+++ b/packages/tests/fixtures/ex-conditions-in-folder/expected/broken.json
@@ -0,0 +1,85 @@
+{
+	"name": "ex-conditions-in-folder",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "broken",
+		"broken": {
+			"import": {},
+			"require": {
+				"./package.json": "./package.json"
+			},
+			"files": [
+				"./package.json"
+			],
+			"tree": {
+				"package.json": [
+					"./package.json"
+				]
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./cjs/index.js",
+				"./": "./cjs/index.js",
+				"./cjs": "./cjs/index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./cjs/": "./cjs/index.js",
+				"./cjs/index": "./cjs/index.js",
+				"./cjs/index.js": "./cjs/index.js",
+				"./cjs/utils": "./cjs/utils.js",
+				"./cjs/utils.js": "./cjs/utils.js",
+				"./mjs/index.mjs": "./mjs/index.mjs",
+				"./mjs/utils.mjs": "./mjs/utils.mjs"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./cjs/index.js",
+				"./cjs/utils.js",
+				"./mjs/index.mjs",
+				"./mjs/utils.mjs"
+			],
+			"tree": {
+				"index.js": [
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"cjs": {
+					"index.js": [
+						".",
+						"./",
+						"./cjs",
+						"./cjs/",
+						"./cjs/index.js",
+						"./cjs/index"
+					],
+					"utils.js": [
+						"./cjs/utils.js",
+						"./cjs/utils"
+					]
+				},
+				"mjs": {
+					"index.mjs": [
+						"./mjs/index.mjs"
+					],
+					"utils.mjs": [
+						"./mjs/utils.mjs"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/expected/conditions.json b/packages/tests/fixtures/ex-conditions-in-folder/expected/conditions.json
new file mode 100644
index 0000000..1ec29f7
--- /dev/null
+++ b/packages/tests/fixtures/ex-conditions-in-folder/expected/conditions.json
@@ -0,0 +1,100 @@
+{
+	"name": "ex-conditions-in-folder",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "conditions",
+		"conditions": {
+			"import": {
+				".": "./mjs/index.mjs"
+			},
+			"require": {
+				".": "./cjs/index.js",
+				"./package.json": "./package.json"
+			},
+			"files": [
+				"./package.json",
+				"./cjs/index.js",
+				"./mjs/index.mjs"
+			],
+			"tree": {
+				"cjs": {
+					"index.js": [
+						"."
+					]
+				},
+				"package.json": [
+					"./package.json"
+				],
+				"mjs": {
+					"index.mjs": [
+						"."
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./cjs/index.js",
+				"./": "./cjs/index.js",
+				"./cjs": "./cjs/index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./cjs/": "./cjs/index.js",
+				"./cjs/index": "./cjs/index.js",
+				"./cjs/index.js": "./cjs/index.js",
+				"./cjs/utils": "./cjs/utils.js",
+				"./cjs/utils.js": "./cjs/utils.js",
+				"./mjs/index.mjs": "./mjs/index.mjs",
+				"./mjs/utils.mjs": "./mjs/utils.mjs"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./cjs/index.js",
+				"./cjs/utils.js",
+				"./mjs/index.mjs",
+				"./mjs/utils.mjs"
+			],
+			"tree": {
+				"index.js": [
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"cjs": {
+					"index.js": [
+						".",
+						"./",
+						"./cjs",
+						"./cjs/",
+						"./cjs/index.js",
+						"./cjs/index"
+					],
+					"utils.js": [
+						"./cjs/utils.js",
+						"./cjs/utils"
+					]
+				},
+				"mjs": {
+					"index.mjs": [
+						"./mjs/index.mjs"
+					],
+					"utils.mjs": [
+						"./mjs/utils.mjs"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/expected/experimental.json b/packages/tests/fixtures/ex-conditions-in-folder/expected/experimental.json
new file mode 100644
index 0000000..dd2b0dc
--- /dev/null
+++ b/packages/tests/fixtures/ex-conditions-in-folder/expected/experimental.json
@@ -0,0 +1,94 @@
+{
+	"name": "ex-conditions-in-folder",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "experimental",
+		"experimental": {
+			"import": {
+				".": "./cjs/index.js"
+			},
+			"require": {
+				".": "./cjs/index.js",
+				"./package.json": "./package.json"
+			},
+			"files": [
+				"./package.json",
+				"./cjs/index.js"
+			],
+			"tree": {
+				"cjs": {
+					"index.js": [
+						"."
+					]
+				},
+				"package.json": [
+					"./package.json"
+				]
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./cjs/index.js",
+				"./": "./cjs/index.js",
+				"./cjs": "./cjs/index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./cjs/": "./cjs/index.js",
+				"./cjs/index": "./cjs/index.js",
+				"./cjs/index.js": "./cjs/index.js",
+				"./cjs/utils": "./cjs/utils.js",
+				"./cjs/utils.js": "./cjs/utils.js",
+				"./mjs/index.mjs": "./mjs/index.mjs",
+				"./mjs/utils.mjs": "./mjs/utils.mjs"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./cjs/index.js",
+				"./cjs/utils.js",
+				"./mjs/index.mjs",
+				"./mjs/utils.mjs"
+			],
+			"tree": {
+				"index.js": [
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"cjs": {
+					"index.js": [
+						".",
+						"./",
+						"./cjs",
+						"./cjs/",
+						"./cjs/index.js",
+						"./cjs/index"
+					],
+					"utils.js": [
+						"./cjs/utils.js",
+						"./cjs/utils"
+					]
+				},
+				"mjs": {
+					"index.mjs": [
+						"./mjs/index.mjs"
+					],
+					"utils.mjs": [
+						"./mjs/utils.mjs"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/expected/pattern-trailers-no-dir-slash.json b/packages/tests/fixtures/ex-conditions-in-folder/expected/pattern-trailers-no-dir-slash.json
new file mode 100644
index 0000000..255ae4f
--- /dev/null
+++ b/packages/tests/fixtures/ex-conditions-in-folder/expected/pattern-trailers-no-dir-slash.json
@@ -0,0 +1,100 @@
+{
+	"name": "ex-conditions-in-folder",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "pattern-trailers-no-dir-slash",
+		"pattern-trailers-no-dir-slash": {
+			"import": {
+				".": "./mjs/index.mjs"
+			},
+			"require": {
+				".": "./cjs/index.js",
+				"./package.json": "./package.json"
+			},
+			"files": [
+				"./package.json",
+				"./cjs/index.js",
+				"./mjs/index.mjs"
+			],
+			"tree": {
+				"cjs": {
+					"index.js": [
+						"."
+					]
+				},
+				"package.json": [
+					"./package.json"
+				],
+				"mjs": {
+					"index.mjs": [
+						"."
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./cjs/index.js",
+				"./": "./cjs/index.js",
+				"./cjs": "./cjs/index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./cjs/": "./cjs/index.js",
+				"./cjs/index": "./cjs/index.js",
+				"./cjs/index.js": "./cjs/index.js",
+				"./cjs/utils": "./cjs/utils.js",
+				"./cjs/utils.js": "./cjs/utils.js",
+				"./mjs/index.mjs": "./mjs/index.mjs",
+				"./mjs/utils.mjs": "./mjs/utils.mjs"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./cjs/index.js",
+				"./cjs/utils.js",
+				"./mjs/index.mjs",
+				"./mjs/utils.mjs"
+			],
+			"tree": {
+				"index.js": [
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"cjs": {
+					"index.js": [
+						".",
+						"./",
+						"./cjs",
+						"./cjs/",
+						"./cjs/index.js",
+						"./cjs/index"
+					],
+					"utils.js": [
+						"./cjs/utils.js",
+						"./cjs/utils"
+					]
+				},
+				"mjs": {
+					"index.mjs": [
+						"./mjs/index.mjs"
+					],
+					"utils.mjs": [
+						"./mjs/utils.mjs"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/expected/pattern-trailers.json b/packages/tests/fixtures/ex-conditions-in-folder/expected/pattern-trailers.json
new file mode 100644
index 0000000..138add5
--- /dev/null
+++ b/packages/tests/fixtures/ex-conditions-in-folder/expected/pattern-trailers.json
@@ -0,0 +1,100 @@
+{
+	"name": "ex-conditions-in-folder",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "pattern-trailers",
+		"pattern-trailers": {
+			"import": {
+				".": "./mjs/index.mjs"
+			},
+			"require": {
+				".": "./cjs/index.js",
+				"./package.json": "./package.json"
+			},
+			"files": [
+				"./package.json",
+				"./cjs/index.js",
+				"./mjs/index.mjs"
+			],
+			"tree": {
+				"cjs": {
+					"index.js": [
+						"."
+					]
+				},
+				"package.json": [
+					"./package.json"
+				],
+				"mjs": {
+					"index.mjs": [
+						"."
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./cjs/index.js",
+				"./": "./cjs/index.js",
+				"./cjs": "./cjs/index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./cjs/": "./cjs/index.js",
+				"./cjs/index": "./cjs/index.js",
+				"./cjs/index.js": "./cjs/index.js",
+				"./cjs/utils": "./cjs/utils.js",
+				"./cjs/utils.js": "./cjs/utils.js",
+				"./mjs/index.mjs": "./mjs/index.mjs",
+				"./mjs/utils.mjs": "./mjs/utils.mjs"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./cjs/index.js",
+				"./cjs/utils.js",
+				"./mjs/index.mjs",
+				"./mjs/utils.mjs"
+			],
+			"tree": {
+				"index.js": [
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"cjs": {
+					"index.js": [
+						".",
+						"./",
+						"./cjs",
+						"./cjs/",
+						"./cjs/index.js",
+						"./cjs/index"
+					],
+					"utils.js": [
+						"./cjs/utils.js",
+						"./cjs/utils"
+					]
+				},
+				"mjs": {
+					"index.mjs": [
+						"./mjs/index.mjs"
+					],
+					"utils.mjs": [
+						"./mjs/utils.mjs"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/expected/patterns.json b/packages/tests/fixtures/ex-conditions-in-folder/expected/patterns.json
new file mode 100644
index 0000000..8ccb093
--- /dev/null
+++ b/packages/tests/fixtures/ex-conditions-in-folder/expected/patterns.json
@@ -0,0 +1,100 @@
+{
+	"name": "ex-conditions-in-folder",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "patterns",
+		"patterns": {
+			"import": {
+				".": "./mjs/index.mjs"
+			},
+			"require": {
+				".": "./cjs/index.js",
+				"./package.json": "./package.json"
+			},
+			"files": [
+				"./package.json",
+				"./cjs/index.js",
+				"./mjs/index.mjs"
+			],
+			"tree": {
+				"cjs": {
+					"index.js": [
+						"."
+					]
+				},
+				"package.json": [
+					"./package.json"
+				],
+				"mjs": {
+					"index.mjs": [
+						"."
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./cjs/index.js",
+				"./": "./cjs/index.js",
+				"./cjs": "./cjs/index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./cjs/": "./cjs/index.js",
+				"./cjs/index": "./cjs/index.js",
+				"./cjs/index.js": "./cjs/index.js",
+				"./cjs/utils": "./cjs/utils.js",
+				"./cjs/utils.js": "./cjs/utils.js",
+				"./mjs/index.mjs": "./mjs/index.mjs",
+				"./mjs/utils.mjs": "./mjs/utils.mjs"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./cjs/index.js",
+				"./cjs/utils.js",
+				"./mjs/index.mjs",
+				"./mjs/utils.mjs"
+			],
+			"tree": {
+				"index.js": [
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"cjs": {
+					"index.js": [
+						".",
+						"./",
+						"./cjs",
+						"./cjs/",
+						"./cjs/index.js",
+						"./cjs/index"
+					],
+					"utils.js": [
+						"./cjs/utils.js",
+						"./cjs/utils"
+					]
+				},
+				"mjs": {
+					"index.mjs": [
+						"./mjs/index.mjs"
+					],
+					"utils.mjs": [
+						"./mjs/utils.mjs"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/expected/pre-exports.json b/packages/tests/fixtures/ex-conditions-in-folder/expected/pre-exports.json
new file mode 100644
index 0000000..4c03536
--- /dev/null
+++ b/packages/tests/fixtures/ex-conditions-in-folder/expected/pre-exports.json
@@ -0,0 +1,71 @@
+{
+	"name": "ex-conditions-in-folder",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "pre-exports",
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./cjs/index.js",
+				"./": "./cjs/index.js",
+				"./cjs": "./cjs/index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./cjs/": "./cjs/index.js",
+				"./cjs/index": "./cjs/index.js",
+				"./cjs/index.js": "./cjs/index.js",
+				"./cjs/utils": "./cjs/utils.js",
+				"./cjs/utils.js": "./cjs/utils.js",
+				"./mjs/index.mjs": "./mjs/index.mjs",
+				"./mjs/utils.mjs": "./mjs/utils.mjs"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./cjs/index.js",
+				"./cjs/utils.js",
+				"./mjs/index.mjs",
+				"./mjs/utils.mjs"
+			],
+			"tree": {
+				"index.js": [
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"cjs": {
+					"index.js": [
+						".",
+						"./",
+						"./cjs",
+						"./cjs/",
+						"./cjs/index.js",
+						"./cjs/index"
+					],
+					"utils.js": [
+						"./cjs/utils.js",
+						"./cjs/utils"
+					]
+				},
+				"mjs": {
+					"index.mjs": [
+						"./mjs/index.mjs"
+					],
+					"utils.mjs": [
+						"./mjs/utils.mjs"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/project/cjs/index.js b/packages/tests/fixtures/ex-conditions-in-folder/project/cjs/index.js
new file mode 100644
index 0000000..e69de29
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/project/cjs/utils.js b/packages/tests/fixtures/ex-conditions-in-folder/project/cjs/utils.js
new file mode 100644
index 0000000..e69de29
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/project/index.js b/packages/tests/fixtures/ex-conditions-in-folder/project/index.js
new file mode 100644
index 0000000..e69de29
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/project/mjs/index.mjs b/packages/tests/fixtures/ex-conditions-in-folder/project/mjs/index.mjs
new file mode 100644
index 0000000..e69de29
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/project/mjs/utils.mjs b/packages/tests/fixtures/ex-conditions-in-folder/project/mjs/utils.mjs
new file mode 100644
index 0000000..e69de29
diff --git a/packages/tests/fixtures/ex-conditions-in-folder/project/package.json b/packages/tests/fixtures/ex-conditions-in-folder/project/package.json
new file mode 100644
index 0000000..11454bc
--- /dev/null
+++ b/packages/tests/fixtures/ex-conditions-in-folder/project/package.json
@@ -0,0 +1,17 @@
+{
+	"bundleDependencies": true,
+	"name": "ex-conditions-in-folder",
+	"version": "0.0.0",
+	"main": "./cjs/index.js",
+	"exports": {
+		".": {
+			"import": "./mjs/index.mjs",
+			"default": "./cjs/index.js"
+		},
+		"./package.json": "./package.json",
+		"./": {
+			"import": "./mjs/",
+			"default": "./cjs/"
+		}
+	}
+}
\ No newline at end of file
diff --git a/packages/tests/fixtures/ex-folder-mapped/expected/broken-dir-slash-conditions.json b/packages/tests/fixtures/ex-folder-mapped/expected/broken-dir-slash-conditions.json
new file mode 100644
index 0000000..413a447
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/expected/broken-dir-slash-conditions.json
@@ -0,0 +1,136 @@
+{
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "broken-dir-slash-conditions",
+		"broken-dir-slash-conditions": {
+			"import": {
+				"./index.js": "./index.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/expected/broken.json b/packages/tests/fixtures/ex-folder-mapped/expected/broken.json
new file mode 100644
index 0000000..d828b9c
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/expected/broken.json
@@ -0,0 +1,136 @@
+{
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "broken",
+		"broken": {
+			"import": {
+				"./index.js": "./index.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/expected/conditions.json b/packages/tests/fixtures/ex-folder-mapped/expected/conditions.json
new file mode 100644
index 0000000..14cbb0a
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/expected/conditions.json
@@ -0,0 +1,136 @@
+{
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "conditions",
+		"conditions": {
+			"import": {
+				"./index.js": "./index.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/expected/expected-without-conditions.json b/packages/tests/fixtures/ex-folder-mapped/expected/expected-without-conditions.json
new file mode 100644
index 0000000..1038d61
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/expected/expected-without-conditions.json
@@ -0,0 +1,126 @@
+{
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"binaries": [],
+	"require": [
+		"ex-folder-mapped",
+		"ex-folder-mapped/",
+		"ex-folder-mapped/index",
+		"ex-folder-mapped/index.js",
+		"ex-folder-mapped/mapped/in-unmapped-only",
+		"ex-folder-mapped/mapped/in-unmapped-only.js",
+		"ex-folder-mapped/mapped/shared",
+		"ex-folder-mapped/mapped/shared.js",
+		"ex-folder-mapped/package",
+		"ex-folder-mapped/package.json",
+		"ex-folder-mapped/unmapped/in-unmapped-only",
+		"ex-folder-mapped/unmapped/in-unmapped-only.js",
+		"ex-folder-mapped/unmapped/shared",
+		"ex-folder-mapped/unmapped/shared.js"
+	],
+	"import": [
+		"ex-folder-mapped",
+		"ex-folder-mapped/index.js",
+		"ex-folder-mapped/mapped/in-unmapped-only.js",
+		"ex-folder-mapped/mapped/shared.js",
+		"ex-folder-mapped/package.json",
+		"ex-folder-mapped/unmapped/in-unmapped-only.js",
+		"ex-folder-mapped/unmapped/shared.js"
+	],
+	"files": [
+		"./index.js",
+		"./package.json",
+		"./unmapped/in-unmapped-only.js",
+		"./unmapped/shared.js"
+	],
+	"tree": {
+		"ex-folder-mapped": {
+			"unmapped": {
+				"in-unmapped-only.js": [
+					"ex-folder-mapped/mapped/in-unmapped-only",
+					"ex-folder-mapped/mapped/in-unmapped-only.js",
+					"ex-folder-mapped/unmapped/in-unmapped-only",
+					"ex-folder-mapped/unmapped/in-unmapped-only.js"
+				],
+				"shared.js": [
+					"ex-folder-mapped/mapped/shared",
+					"ex-folder-mapped/mapped/shared.js",
+					"ex-folder-mapped/unmapped/shared",
+					"ex-folder-mapped/unmapped/shared.js"
+				]
+			},
+			"index.js": [
+				"ex-folder-mapped",
+				"ex-folder-mapped/",
+				"ex-folder-mapped/index",
+				"ex-folder-mapped/index.js"
+			],
+			"package.json": [
+				"ex-folder-mapped/package",
+				"ex-folder-mapped/package.json"
+			]
+		}
+	},
+	"require (pre-exports)": [
+		"ex-folder-mapped",
+		"ex-folder-mapped/",
+		"ex-folder-mapped/index",
+		"ex-folder-mapped/index.js",
+		"ex-folder-mapped/mapped/in-mapped-only",
+		"ex-folder-mapped/mapped/in-mapped-only.js",
+		"ex-folder-mapped/mapped/shared",
+		"ex-folder-mapped/mapped/shared.js",
+		"ex-folder-mapped/package",
+		"ex-folder-mapped/package.json",
+		"ex-folder-mapped/unmapped/in-unmapped-only",
+		"ex-folder-mapped/unmapped/in-unmapped-only.js",
+		"ex-folder-mapped/unmapped/shared",
+		"ex-folder-mapped/unmapped/shared.js"
+	],
+	"files (pre-exports)": [
+		"./index.js",
+		"./mapped/in-mapped-only.js",
+		"./mapped/shared.js",
+		"./package.json",
+		"./unmapped/in-unmapped-only.js",
+		"./unmapped/shared.js"
+	],
+	"tree (pre-exports)": {
+		"ex-folder-mapped": {
+			"index.js": [
+				"ex-folder-mapped",
+				"ex-folder-mapped/",
+				"ex-folder-mapped/index",
+				"ex-folder-mapped/index.js"
+			],
+			"package.json": [
+				"ex-folder-mapped/package",
+				"ex-folder-mapped/package.json"
+			],
+			"mapped": {
+				"in-mapped-only.js": [
+					"ex-folder-mapped/mapped/in-mapped-only",
+					"ex-folder-mapped/mapped/in-mapped-only.js"
+				],
+				"shared.js": [
+					"ex-folder-mapped/mapped/shared",
+					"ex-folder-mapped/mapped/shared.js"
+				]
+			},
+			"unmapped": {
+				"in-unmapped-only.js": [
+					"ex-folder-mapped/unmapped/in-unmapped-only",
+					"ex-folder-mapped/unmapped/in-unmapped-only.js"
+				],
+				"shared.js": [
+					"ex-folder-mapped/unmapped/shared",
+					"ex-folder-mapped/unmapped/shared.js"
+				]
+			}
+		}
+	},
+	"errors": []
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/expected/expected.json b/packages/tests/fixtures/ex-folder-mapped/expected/expected.json
new file mode 100644
index 0000000..1038d61
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/expected/expected.json
@@ -0,0 +1,126 @@
+{
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"binaries": [],
+	"require": [
+		"ex-folder-mapped",
+		"ex-folder-mapped/",
+		"ex-folder-mapped/index",
+		"ex-folder-mapped/index.js",
+		"ex-folder-mapped/mapped/in-unmapped-only",
+		"ex-folder-mapped/mapped/in-unmapped-only.js",
+		"ex-folder-mapped/mapped/shared",
+		"ex-folder-mapped/mapped/shared.js",
+		"ex-folder-mapped/package",
+		"ex-folder-mapped/package.json",
+		"ex-folder-mapped/unmapped/in-unmapped-only",
+		"ex-folder-mapped/unmapped/in-unmapped-only.js",
+		"ex-folder-mapped/unmapped/shared",
+		"ex-folder-mapped/unmapped/shared.js"
+	],
+	"import": [
+		"ex-folder-mapped",
+		"ex-folder-mapped/index.js",
+		"ex-folder-mapped/mapped/in-unmapped-only.js",
+		"ex-folder-mapped/mapped/shared.js",
+		"ex-folder-mapped/package.json",
+		"ex-folder-mapped/unmapped/in-unmapped-only.js",
+		"ex-folder-mapped/unmapped/shared.js"
+	],
+	"files": [
+		"./index.js",
+		"./package.json",
+		"./unmapped/in-unmapped-only.js",
+		"./unmapped/shared.js"
+	],
+	"tree": {
+		"ex-folder-mapped": {
+			"unmapped": {
+				"in-unmapped-only.js": [
+					"ex-folder-mapped/mapped/in-unmapped-only",
+					"ex-folder-mapped/mapped/in-unmapped-only.js",
+					"ex-folder-mapped/unmapped/in-unmapped-only",
+					"ex-folder-mapped/unmapped/in-unmapped-only.js"
+				],
+				"shared.js": [
+					"ex-folder-mapped/mapped/shared",
+					"ex-folder-mapped/mapped/shared.js",
+					"ex-folder-mapped/unmapped/shared",
+					"ex-folder-mapped/unmapped/shared.js"
+				]
+			},
+			"index.js": [
+				"ex-folder-mapped",
+				"ex-folder-mapped/",
+				"ex-folder-mapped/index",
+				"ex-folder-mapped/index.js"
+			],
+			"package.json": [
+				"ex-folder-mapped/package",
+				"ex-folder-mapped/package.json"
+			]
+		}
+	},
+	"require (pre-exports)": [
+		"ex-folder-mapped",
+		"ex-folder-mapped/",
+		"ex-folder-mapped/index",
+		"ex-folder-mapped/index.js",
+		"ex-folder-mapped/mapped/in-mapped-only",
+		"ex-folder-mapped/mapped/in-mapped-only.js",
+		"ex-folder-mapped/mapped/shared",
+		"ex-folder-mapped/mapped/shared.js",
+		"ex-folder-mapped/package",
+		"ex-folder-mapped/package.json",
+		"ex-folder-mapped/unmapped/in-unmapped-only",
+		"ex-folder-mapped/unmapped/in-unmapped-only.js",
+		"ex-folder-mapped/unmapped/shared",
+		"ex-folder-mapped/unmapped/shared.js"
+	],
+	"files (pre-exports)": [
+		"./index.js",
+		"./mapped/in-mapped-only.js",
+		"./mapped/shared.js",
+		"./package.json",
+		"./unmapped/in-unmapped-only.js",
+		"./unmapped/shared.js"
+	],
+	"tree (pre-exports)": {
+		"ex-folder-mapped": {
+			"index.js": [
+				"ex-folder-mapped",
+				"ex-folder-mapped/",
+				"ex-folder-mapped/index",
+				"ex-folder-mapped/index.js"
+			],
+			"package.json": [
+				"ex-folder-mapped/package",
+				"ex-folder-mapped/package.json"
+			],
+			"mapped": {
+				"in-mapped-only.js": [
+					"ex-folder-mapped/mapped/in-mapped-only",
+					"ex-folder-mapped/mapped/in-mapped-only.js"
+				],
+				"shared.js": [
+					"ex-folder-mapped/mapped/shared",
+					"ex-folder-mapped/mapped/shared.js"
+				]
+			},
+			"unmapped": {
+				"in-unmapped-only.js": [
+					"ex-folder-mapped/unmapped/in-unmapped-only",
+					"ex-folder-mapped/unmapped/in-unmapped-only.js"
+				],
+				"shared.js": [
+					"ex-folder-mapped/unmapped/shared",
+					"ex-folder-mapped/unmapped/shared.js"
+				]
+			}
+		}
+	},
+	"errors": []
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/expected/experimental.json b/packages/tests/fixtures/ex-folder-mapped/expected/experimental.json
new file mode 100644
index 0000000..df7d9af
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/expected/experimental.json
@@ -0,0 +1,136 @@
+{
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "experimental",
+		"experimental": {
+			"import": {
+				"./index.js": "./index.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/expected/pattern-trailers-no-dir-slash.json b/packages/tests/fixtures/ex-folder-mapped/expected/pattern-trailers-no-dir-slash.json
new file mode 100644
index 0000000..044b3ef
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/expected/pattern-trailers-no-dir-slash.json
@@ -0,0 +1,77 @@
+{
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "pattern-trailers-no-dir-slash",
+		"pattern-trailers-no-dir-slash": {
+			"import": {},
+			"require": {},
+			"files": [],
+			"tree": {}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/expected/pattern-trailers.json b/packages/tests/fixtures/ex-folder-mapped/expected/pattern-trailers.json
new file mode 100644
index 0000000..9fd64a0
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/expected/pattern-trailers.json
@@ -0,0 +1,136 @@
+{
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "pattern-trailers",
+		"pattern-trailers": {
+			"import": {
+				"./index.js": "./index.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/expected/patterns.json b/packages/tests/fixtures/ex-folder-mapped/expected/patterns.json
new file mode 100644
index 0000000..3f7bd69
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/expected/patterns.json
@@ -0,0 +1,136 @@
+{
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "patterns",
+		"patterns": {
+			"import": {
+				"./index.js": "./index.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		},
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/expected/pre-exports.json b/packages/tests/fixtures/ex-folder-mapped/expected/pre-exports.json
new file mode 100644
index 0000000..e05f242
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/expected/pre-exports.json
@@ -0,0 +1,71 @@
+{
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"engines": {
+		"node": "*"
+	},
+	"problems": [],
+	"exports": {
+		"binaries": {},
+		"latest": "pre-exports",
+		"pre-exports": {
+			"import": {},
+			"require": {
+				".": "./index.js",
+				"./": "./index.js",
+				"./index": "./index.js",
+				"./index.js": "./index.js",
+				"./package": "./package.json",
+				"./package.json": "./package.json",
+				"./mapped/in-mapped-only": "./mapped/in-mapped-only.js",
+				"./mapped/in-mapped-only.js": "./mapped/in-mapped-only.js",
+				"./mapped/shared": "./mapped/shared.js",
+				"./mapped/shared.js": "./mapped/shared.js",
+				"./unmapped/in-unmapped-only": "./unmapped/in-unmapped-only.js",
+				"./unmapped/in-unmapped-only.js": "./unmapped/in-unmapped-only.js",
+				"./unmapped/shared": "./unmapped/shared.js",
+				"./unmapped/shared.js": "./unmapped/shared.js"
+			},
+			"files": [
+				"./index.js",
+				"./package.json",
+				"./mapped/in-mapped-only.js",
+				"./mapped/shared.js",
+				"./unmapped/in-unmapped-only.js",
+				"./unmapped/shared.js"
+			],
+			"tree": {
+				"index.js": [
+					".",
+					"./",
+					"./index.js",
+					"./index"
+				],
+				"package.json": [
+					"./package.json",
+					"./package"
+				],
+				"mapped": {
+					"in-mapped-only.js": [
+						"./mapped/in-mapped-only.js",
+						"./mapped/in-mapped-only"
+					],
+					"shared.js": [
+						"./mapped/shared.js",
+						"./mapped/shared"
+					]
+				},
+				"unmapped": {
+					"in-unmapped-only.js": [
+						"./unmapped/in-unmapped-only.js",
+						"./unmapped/in-unmapped-only"
+					],
+					"shared.js": [
+						"./unmapped/shared.js",
+						"./unmapped/shared"
+					]
+				}
+			}
+		}
+	}
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/project/index.js b/packages/tests/fixtures/ex-folder-mapped/project/index.js
new file mode 100644
index 0000000..e69de29
diff --git a/packages/tests/fixtures/ex-folder-mapped/project/mapped/in-mapped-only.js b/packages/tests/fixtures/ex-folder-mapped/project/mapped/in-mapped-only.js
new file mode 100644
index 0000000..e69de29
diff --git a/packages/tests/fixtures/ex-folder-mapped/project/mapped/shared.js b/packages/tests/fixtures/ex-folder-mapped/project/mapped/shared.js
new file mode 100644
index 0000000..e69de29
diff --git a/packages/tests/fixtures/ex-folder-mapped/project/package.json b/packages/tests/fixtures/ex-folder-mapped/project/package.json
new file mode 100644
index 0000000..da1d37f
--- /dev/null
+++ b/packages/tests/fixtures/ex-folder-mapped/project/package.json
@@ -0,0 +1,9 @@
+{
+	"bundleDependencies": true,
+	"name": "ex-folder-mapped",
+	"version": "0.0.0",
+	"exports": {
+		"./mapped/": "./unmapped/",
+		"./": "./"
+	}
+}
diff --git a/packages/tests/fixtures/ex-folder-mapped/project/unmapped/in-unmapped-only.js b/packages/tests/fixtures/ex-folder-mapped/project/unmapped/in-unmapped-only.js
new file mode 100644
index 0000000..e69de29
diff --git a/packages/tests/fixtures/ex-folder-mapped/project/unmapped/shared.js b/packages/tests/fixtures/ex-folder-mapped/project/unmapped/shared.js
new file mode 100644
index 0000000..e69de29
diff --git a/packages/tests/package.json b/packages/tests/package.json
index 9385527..c55b782 100644
--- a/packages/tests/package.json
+++ b/packages/tests/package.json
@@ -14,8 +14,10 @@
 	"devDependencies": {
 		"@fixtures/es-abstract": "file:fixtures/es-abstract/project",
 		"@fixtures/ex-conditions": "file:fixtures/ex-conditions/project",
+		"@fixtures/ex-conditions-in-folder": "file:fixtures/ex-conditions-in-folder/project",
 		"@fixtures/ex-exports-string": "file:fixtures/ex-exports-string/project",
 		"@fixtures/ex-exports-TL-object": "file:fixtures/ex-exports-TL-object/project",
+		"@fixtures/ex-folder-mapped": "file:fixtures/ex-folder-mapped/project",
 		"@fixtures/ex-main-dot-slash": "file:fixtures/ex-main-dot-slash/project",
 		"@fixtures/ex-main-dotless": "file:fixtures/ex-main-dotless/project",
 		"@fixtures/ex-main-dotted": "file:fixtures/ex-main-dotted/project",