switch package to use modules

jest.integration.config.cjs

@@ -1,3 +1,10 @@
+const { randomBytes } = require("crypto");
+const path = require("path");
+const os = require("os");
+
+const ROOT_TEST_BRANCH_PREFIX = `test-${randomBytes(4).toString("hex")}`;
+const ROOT_TEMP_DIRECTORY = path.join(os.tmpdir(), ROOT_TEST_BRANCH_PREFIX);
+
 module.exports = {
   preset: "ts-jest",
   testEnvironment: "node",
@@ -17,4 +24,8 @@ module.exports = {
     "^(.+).js$": "$1",
   },
   testMatch: ["<rootDir>/src/test/integration/**/*.test.ts"],
+  globals: {
+    ROOT_TEST_BRANCH_PREFIX,
+    ROOT_TEMP_DIRECTORY,
+  },
 };

src/core.ts

@@ -1,15 +1,15 @@
 import type {
   CommitMessage,
   FileChanges,
-} from "./github/graphql/generated/types";
+} from "./github/graphql/generated/types.js";
 import {
   createCommitOnBranchQuery,
   createRefMutation,
   getRepositoryMetadata,
   GitHubClient,
-} from "./github/graphql/queries";
-import type { CreateCommitOnBranchMutationVariables } from "./github/graphql/generated/operations";
-import type { Logger } from "./logging";
+} from "./github/graphql/queries.js";
+import type { CreateCommitOnBranchMutationVariables } from "./github/graphql/generated/operations.js";
+import type { Logger } from "./logging.js";
 
 export type CommitFilesResult = {
   refId: string | null;

src/fs.ts

@@ -1,8 +1,8 @@
 import { promises as fs } from "fs";
 import * as path from "path";
-import type { FileAddition } from "./github/graphql/generated/types";
-import { CommitFilesFromBase64Args, CommitFilesResult } from "./core";
-import { commitFilesFromBuffers } from "./node";
+import type { FileAddition } from "./github/graphql/generated/types.js";
+import { CommitFilesFromBase64Args, CommitFilesResult } from "./core.js";
+import { commitFilesFromBuffers } from "./node.js";
 
 export type CommitFilesFromDirectoryArgs = Omit<
   CommitFilesFromBase64Args,

src/github/graphql/queries.ts

@@ -11,7 +11,7 @@ import type {
   DeleteRefMutationVariables,
   GetRepositoryMetadataQuery,
   GetRepositoryMetadataQueryVariables,
-} from "./generated/operations";
+} from "./generated/operations.js";
 
 const GET_REPOSITORY_METADATA = /* GraphQL */ `
   query getRepositoryMetadata($owner: String!, $name: String!, $ref: String!) {

src/index.ts

@@ -1,2 +1,2 @@
-export * as queries from "./github/graphql/queries";
-export { commitFilesFromDirectory } from "./fs";
+export * as queries from "./github/graphql/queries.js";
+export { commitFilesFromDirectory } from "./fs.js";

src/node.ts

@@ -2,7 +2,7 @@ import {
   commitFilesFromBase64,
   CommitFilesFromBase64Args,
   CommitFilesResult,
-} from "./core";
+} from "./core.js";
 
 export type CommitFilesFromBuffersArgs = Omit<
   CommitFilesFromBase64Args,

src/test/integration/env.ts

@@ -1,6 +1,14 @@
-import pino from "pino";
+import { pino } from "pino";
 import { configDotenv } from "dotenv";
 
+declare namespace global {
+  const ROOT_TEST_BRANCH_PREFIX: string;
+  const ROOT_TEMP_DIRECTORY: string;
+}
+
+export const ROOT_TEST_BRANCH_PREFIX = global.ROOT_TEST_BRANCH_PREFIX;
+export const ROOT_TEMP_DIRECTORY = global.ROOT_TEMP_DIRECTORY;
+
 configDotenv();
 
 const GITHUB_TOKEN = process.env.GITHUB_TOKEN;

src/test/integration/fs.test.ts

@@ -1,26 +1,29 @@
-import * as os from "os";
 import * as path from "path";
 import { promises as fs } from "fs";
-import { getOctokit } from "@actions/github/lib/github";
-
-import { commitFilesFromDirectory } from "../../fs";
-import { randomBytes } from "crypto";
-import { ENV, REPO, log } from "./env";
-import { deleteBranches } from "./util";
+import { getOctokit } from "@actions/github/lib/github.js";
+
+import { commitFilesFromDirectory } from "../../fs.js";
+import {
+  ENV,
+  REPO,
+  ROOT_TEMP_DIRECTORY,
+  ROOT_TEST_BRANCH_PREFIX,
+  log,
+} from "./env.js";
+import { deleteBranches } from "./util.js";
 
 const octokit = getOctokit(ENV.GITHUB_TOKEN);
 
-const TEST_BRANCH_PREFIX = `test-fs-${randomBytes(4).toString("hex")}`;
-
 const TEST_BRANCHES = {
-  COMMIT_FILE: `${TEST_BRANCH_PREFIX}-commit-file`,
+  COMMIT_FILE: `${ROOT_TEST_BRANCH_PREFIX}-fs-commit-file`,
 } as const;
 
 describe("fs", () => {
   describe("commitFilesFromDirectory", () => {
     it("should commit a file", async () => {
       // Create test directory
-      const tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), "test-"));
+      await fs.mkdir(ROOT_TEMP_DIRECTORY, { recursive: true });
+      const tmpDir = await fs.mkdtemp(path.join(ROOT_TEMP_DIRECTORY, "test-"));
       await fs.writeFile(path.join(tmpDir, "foo.txt"), "Hello, world!");
 
       await commitFilesFromDirectory({

src/test/integration/node.test.ts

@@ -1,13 +1,12 @@
-import { getOctokit } from "@actions/github/lib/github";
+import { getOctokit } from "@actions/github/lib/github.js";
 
-import { randomBytes } from "crypto";
-import { ENV, REPO, log } from "./env";
-import { commitFilesFromBuffers } from "../../node";
-import { deleteBranches } from "./util";
+import { ENV, REPO, ROOT_TEST_BRANCH_PREFIX, log } from "./env.js";
+import { commitFilesFromBuffers } from "../../node.js";
+import { deleteBranches } from "./util.js";
 
 const octokit = getOctokit(ENV.GITHUB_TOKEN);
 
-const TEST_BRANCH_PREFIX = `test-node-${randomBytes(4).toString("hex")}`;
+const TEST_BRANCH_PREFIX = `${ROOT_TEST_BRANCH_PREFIX}-node`;
 
 describe("node", () => {
   const branches: string[] = [];

src/test/integration/util.ts

@@ -2,8 +2,8 @@ import {
   deleteRefMutation,
   getRepositoryMetadata,
   GitHubClient,
-} from "../../github/graphql/queries";
-import { REPO } from "./env";
+} from "../../github/graphql/queries.js";
+import { REPO } from "./env.js";
 
 export const deleteBranches = async (
   octokit: GitHubClient,