test: output-index

integration/codegen.ts

@@ -4,7 +4,7 @@ import { parse } from "path";
 import { promisify } from "util";
 import { generateFile, makeUtils } from "../src/main";
 import { createTypeMap } from "../src/types";
-import { prefixDisableLinter } from "../src/utils";
+import { generateIndexFiles } from "../src/utils";
 import { getTsPoetOpts, optionsFromParameter } from "../src/options";
 import { Context } from "../src/context";
 import { generateTypeRegistry } from "../src/generate-type-registry";
@@ -56,6 +56,15 @@ async function generate(binFile: string, baseDir: string, parameter: string) {
 
     await promisify(writeFile)(filePath, code.toString({ ...getTsPoetOpts(options), path }));
   }
+
+  if (options.outputIndex) {
+    for (const [path, code] of generateIndexFiles(request.protoFile, options)) {
+      const filePath = `${baseDir}/${path}`;
+      const dirPath = parse(filePath).dir;
+      await promisify(mkdir)(dirPath, { recursive: true }).catch(() => {});
+      await promisify(writeFile)(filePath, code.toString({ ...getTsPoetOpts(options), path }));
+    }
+  }
 }
 
 main().then(() => {

integration/output-index/a-test.ts

@@ -0,0 +1,14 @@
+import * as Index from '.';
+
+describe('output-index', () => {
+  it('generates index files correctly', () => {
+    expect(Index).toMatchObject({
+        base: {
+            A: {
+                encode: expect.any(Function),
+                decode: expect.any(Function),
+            },
+        },
+    });
+  });
+});

integration/output-index/a.proto

@@ -0,0 +1,6 @@
+syntax = "proto3";
+package base;
+
+message A {
+  string a = 1;
+}

integration/output-index/a.ts

@@ -0,0 +1,77 @@
+/* eslint-disable */
+import * as _m0 from "protobufjs/minimal";
+
+export interface A {
+  a: string;
+}
+
+function createBaseA(): A {
+  return { a: "" };
+}
+
+export const A = {
+  encode(message: A, writer: _m0.Writer = _m0.Writer.create()): _m0.Writer {
+    if (message.a !== "") {
+      writer.uint32(10).string(message.a);
+    }
+    return writer;
+  },
+
+  decode(input: _m0.Reader | Uint8Array, length?: number): A {
+    const reader = input instanceof _m0.Reader ? input : _m0.Reader.create(input);
+    let end = length === undefined ? reader.len : reader.pos + length;
+    const message = createBaseA();
+    while (reader.pos < end) {
+      const tag = reader.uint32();
+      switch (tag >>> 3) {
+        case 1:
+          if (tag !== 10) {
+            break;
+          }
+
+          message.a = reader.string();
+          continue;
+      }
+      if ((tag & 7) === 4 || tag === 0) {
+        break;
+      }
+      reader.skipType(tag & 7);
+    }
+    return message;
+  },
+
+  fromJSON(object: any): A {
+    return { a: isSet(object.a) ? String(object.a) : "" };
+  },
+
+  toJSON(message: A): unknown {
+    const obj: any = {};
+    message.a !== undefined && (obj.a = message.a);
+    return obj;
+  },
+
+  create<I extends Exact<DeepPartial<A>, I>>(base?: I): A {
+    return A.fromPartial(base ?? {});
+  },
+
+  fromPartial<I extends Exact<DeepPartial<A>, I>>(object: I): A {
+    const message = createBaseA();
+    message.a = object.a ?? "";
+    return message;
+  },
+};
+
+type Builtin = Date | Function | Uint8Array | string | number | boolean | undefined;
+
+type DeepPartial<T> = T extends Builtin ? T
+  : T extends Array<infer U> ? 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;
+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/output-index/index.base.ts

@@ -0,0 +1,3 @@
+/* eslint-disable */
+
+export * from "./a";

integration/output-index/index.ts

@@ -0,0 +1,3 @@
+/* eslint-disable */
+
+export * as base from "./index.base";

integration/output-index/parameters.txt

@@ -0,0 +1 @@
+outputIndex=true

src/utils.ts

@@ -29,7 +29,7 @@ export function generateIndexFiles(files: FileDescriptorProto[], options: Option
   };
   for (const { name, package: pkg } of files) {
     const moduleName = name.replace(".proto", options.fileSuffix);
-    const pkgParts = pkg.split('.');
+    const pkgParts = pkg.length > 0 ? pkg.split('.') : [];
 
     const branch = pkgParts.reduce<PackageTree>((branch, part, i): PackageTree => {
       if (!(part in branch.leaves)) {