fix: import fails when folder name overlaps with file name

integration/avoid-import-conflicts-folder-name/ui.proto

@@ -0,0 +1,14 @@
+syntax = "proto3";
+package simple2;
+
+enum SimpleEnum {
+  IMPORT_DEFAULT = 0;
+  IMPORT_FOO = 10;
+  IMPORT_BAR = 11;
+}
+
+message Simple {
+  string simple2Name = 1;
+  int32 simple2Age = 2;
+}
+

integration/avoid-import-conflicts-folder-name/ui.ts

@@ -0,0 +1,138 @@
+/* eslint-disable */
+import * as _m0 from "protobufjs/minimal";
+
+export const protobufPackage = "simple2";
+
+export enum SimpleEnum {
+  IMPORT_DEFAULT = 0,
+  IMPORT_FOO = 10,
+  IMPORT_BAR = 11,
+  UNRECOGNIZED = -1,
+}
+
+export function simpleEnumFromJSON(object: any): SimpleEnum {
+  switch (object) {
+    case 0:
+    case "IMPORT_DEFAULT":
+      return SimpleEnum.IMPORT_DEFAULT;
+    case 10:
+    case "IMPORT_FOO":
+      return SimpleEnum.IMPORT_FOO;
+    case 11:
+    case "IMPORT_BAR":
+      return SimpleEnum.IMPORT_BAR;
+    case -1:
+    case "UNRECOGNIZED":
+    default:
+      return SimpleEnum.UNRECOGNIZED;
+  }
+}
+
+export function simpleEnumToJSON(object: SimpleEnum): string {
+  switch (object) {
+    case SimpleEnum.IMPORT_DEFAULT:
+      return "IMPORT_DEFAULT";
+    case SimpleEnum.IMPORT_FOO:
+      return "IMPORT_FOO";
+    case SimpleEnum.IMPORT_BAR:
+      return "IMPORT_BAR";
+    case SimpleEnum.UNRECOGNIZED:
+    default:
+      return "UNRECOGNIZED";
+  }
+}
+
+export interface Simple {
+  simple2Name: string;
+  simple2Age: number;
+}
+
+function createBaseSimple(): Simple {
+  return { simple2Name: "", simple2Age: 0 };
+}
+
+export const Simple = {
+  encode(message: Simple, writer: _m0.Writer = _m0.Writer.create()): _m0.Writer {
+    if (message.simple2Name !== "") {
+      writer.uint32(10).string(message.simple2Name);
+    }
+    if (message.simple2Age !== 0) {
+      writer.uint32(16).int32(message.simple2Age);
+    }
+    return writer;
+  },
+
+  decode(input: _m0.Reader | Uint8Array, length?: number): Simple {
+    const reader = input instanceof _m0.Reader ? input : _m0.Reader.create(input);
+    let end = length === undefined ? reader.len : reader.pos + length;
+    const message = createBaseSimple();
+    while (reader.pos < end) {
+      const tag = reader.uint32();
+      switch (tag >>> 3) {
+        case 1:
+          if (tag !== 10) {
+            break;
+          }
+
+          message.simple2Name = reader.string();
+          continue;
+        case 2:
+          if (tag !== 16) {
+            break;
+          }
+
+          message.simple2Age = reader.int32();
+          continue;
+      }
+      if ((tag & 7) === 4 || tag === 0) {
+        break;
+      }
+      reader.skipType(tag & 7);
+    }
+    return message;
+  },
+
+  fromJSON(object: any): Simple {
+    return {
+      simple2Name: isSet(object.simple2Name) ? globalThis.String(object.simple2Name) : "",
+      simple2Age: isSet(object.simple2Age) ? globalThis.Number(object.simple2Age) : 0,
+    };
+  },
+
+  toJSON(message: Simple): unknown {
+    const obj: any = {};
+    if (message.simple2Name !== "") {
+      obj.simple2Name = message.simple2Name;
+    }
+    if (message.simple2Age !== 0) {
+      obj.simple2Age = Math.round(message.simple2Age);
+    }
+    return obj;
+  },
+
+  create<I extends Exact<DeepPartial<Simple>, I>>(base?: I): Simple {
+    return Simple.fromPartial(base ?? ({} as any));
+  },
+  fromPartial<I extends Exact<DeepPartial<Simple>, I>>(object: I): Simple {
+    const message = createBaseSimple();
+    message.simple2Name = object.simple2Name ?? "";
+    message.simple2Age = object.simple2Age ?? 0;
+    return message;
+  },
+};
+
+type Builtin = Date | Function | Uint8Array | string | number | boolean | undefined;
+
+export type DeepPartial<T> = T extends Builtin ? T
+  : T extends globalThis.Array<infer U> ? globalThis.Array<DeepPartial<U>>
+  : T extends ReadonlyArray<infer U> ? ReadonlyArray<DeepPartial<U>>
+  : T extends {} ? { [K in keyof T]?: DeepPartial<T[K]> }
+  : Partial<T>;
+
+type KeysOfUnion<T> = T extends T ? keyof T : never;
+export type Exact<P, I extends P> = P extends Builtin ? P
+  : P & { [K in keyof P]: Exact<P[K], I[K]> } & { [K in Exclude<keyof I, KeysOfUnion<P>>]: never };
+
+function isSet(value: any): boolean {
+  return value !== null && value !== undefined;
+}

integration/avoid-import-conflicts-folder-name/ui/simple-test.ts

@@ -0,0 +1,7 @@
+import { SimpleEnums } from "./simple";
+
+describe("avoid-import-conflicts-folder-name", () => {
+  it("compiles", () => {
+    expect(SimpleEnums).not.toBeUndefined();
+  });
+});

integration/avoid-import-conflicts-folder-name/ui/simple.proto

@@ -0,0 +1,22 @@
+syntax = "proto3";
+package simple;
+
+import "ui.proto";
+
+enum SimpleEnum {
+  LOCAL_DEFAULT = 0;
+  LOCAL_FOO = 1;
+  LOCAL_BAR = 2;
+}
+
+message Simple {
+  string name = 1;
+  simple2.Simple otherSimple = 2;
+}
+
+message SimpleEnums {
+  SimpleEnum local_enum = 1;
+  simple2.SimpleEnum import_enum = 2;
+}
+
+