Import extensions - add .js to all the import specifiers! (#472)

* adding import extensions and enforced in linter

* Change files

* fixing import extensions

* Change files

* fixing according to ts-jest esm-support

change/@lage-run-cache-a03e5f21-1c00-40a3-969c-44d349218d75.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/cache",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

change/@lage-run-cache-github-actions-730d9045-af7f-49e4-9f2f-d89774aec5b0.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/cache-github-actions",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

change/@lage-run-cli-9be9b245-5ffc-4667-b3eb-4ba4b3a45a89.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/cli",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

change/@lage-run-find-npm-client-985b4430-cd5f-49e8-aaa5-48c976960887.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/find-npm-client",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

change/@lage-run-format-hrtime-98c79389-84eb-4e07-9f8c-be6f63d8d9a9.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/format-hrtime",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

change/@lage-run-logger-72c2ca97-4955-426e-93b2-51070723cf0f.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/logger",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

change/@lage-run-reporters-aef55e87-c318-4634-a0e2-22fc4e749b8a.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/reporters",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

change/@lage-run-scheduler-55de6632-38f7-4e7b-a471-674ee5a485b0.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/scheduler",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

change/@lage-run-scheduler-types-fd4a5d3e-e7d4-42d2-b83a-b8d7628c0fcb.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/scheduler-types",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

change/@lage-run-target-graph-f96c4557-aaf4-4aa9-ba55-5a19be38d4f6.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/target-graph",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

change/@lage-run-worker-threads-pool-0eb17cfd-e8e0-4ab3-abc4-0ebc2d332cc1.json

@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "adds import extensions of .js to prepare of esmodule switchover",
+  "packageName": "@lage-run/worker-threads-pool",
+  "email": "kchau@microsoft.com",
+  "dependentChangeType": "patch"
+}

packages/cache-github-actions/src/index.ts

@@ -1 +1 @@
-export { cacheProvider as default } from "./cacheProvider";
+export { cacheProvider as default } from "./cacheProvider.js";

packages/cache/src/TargetHasher.ts

@@ -1,6 +1,6 @@
-import { createBackfillLogger } from "./backfillWrapper";
+import { createBackfillLogger } from "./backfillWrapper.js";
 import { Hasher as BackfillHasher } from "backfill-hasher";
-import { salt } from "./salt";
+import { salt } from "./salt.js";
 import type { Logger as BackfillLogger } from "backfill-logger";
 import type { Target } from "@lage-run/target-graph";
 

packages/cache/src/backfillWrapper.ts

@@ -6,7 +6,7 @@ import * as os from "os";
 import { createDefaultConfig, getEnvConfig } from "backfill-config";
 import { makeLogger } from "backfill-logger";
 import type { Logger as BackfillLogger } from "backfill-logger";
-import type { CacheOptions } from "./types/CacheOptions";
+import type { CacheOptions } from "./types/CacheOptions.js";
 
 export function createBackfillLogger() {
   const stdout = process.stdout;

packages/cache/src/index.ts

@@ -1,5 +1,5 @@
-export { BackfillCacheProvider } from "./providers/BackfillCacheProvider";
+export { BackfillCacheProvider } from "./providers/BackfillCacheProvider.js";
-export { RemoteFallbackCacheProvider } from "./providers/RemoteFallbackCacheProvider";
+export { RemoteFallbackCacheProvider } from "./providers/RemoteFallbackCacheProvider.js";
-export { TargetHasher } from "./TargetHasher";
+export { TargetHasher } from "./TargetHasher.js";
-export type { CacheOptions } from "./types/CacheOptions";
+export type { CacheOptions } from "./types/CacheOptions.js";
-export type { CacheProvider } from "./types/CacheProvider";
+export type { CacheProvider } from "./types/CacheProvider.js";

packages/cache/src/providers/BackfillCacheProvider.ts

@@ -1,10 +1,10 @@
-import { createBackfillCacheConfig, createBackfillLogger } from "../backfillWrapper";
+import { createBackfillCacheConfig, createBackfillLogger } from "../backfillWrapper.js";
 import { getCacheStorageProvider } from "backfill-cache";
 import { getPackageInfos } from "workspace-tools";
 import { promisify } from "util";
 import * as fs from "fs";
 import * as path from "path";
-import type { CacheProvider, CacheProviderOptions } from "../types/CacheProvider";
+import type { CacheProvider, CacheProviderOptions } from "../types/CacheProvider.js";
 import type { Logger as BackfillLogger } from "backfill-logger";
 import type { PackageInfo } from "workspace-tools";
 import type { Target } from "@lage-run/target-graph";

packages/cache/src/providers/RemoteFallbackCacheProvider.ts

@@ -1,4 +1,4 @@
-import type { CacheProvider } from "../types/CacheProvider";
+import type { CacheProvider } from "../types/CacheProvider.js";
 import type { Logger } from "@lage-run/logger";
 import type { Target } from "@lage-run/target-graph";
 

packages/cache/src/types/CacheOptions.ts

@@ -1,4 +1,4 @@
-import type { CacheProviderOptions } from "./CacheProvider";
+import type { CacheProviderOptions } from "./CacheProvider.js";
 
 export interface CacheOptions extends CacheProviderOptions {
   /**

packages/cli/package.json

@@ -14,7 +14,8 @@
   "scripts": {
     "build": "tsc",
     "start": "tsc -w --preserveWatchOutput",
-    "test": "jest"
+    "test": "jest",
+    "lint": "monorepo-scripts lint"
   },
   "dependencies": {
     "@lage-run/find-npm-client": "^0.1.3",

packages/cli/src/cli.ts

@@ -12,6 +12,7 @@ async function main() {
 }
 
 main().catch((err) => {
+  // eslint-disable-next-line no-console
   console.error(err);
   process.exitCode = 1;
 });

packages/cli/src/commands/addLoggerOptions.ts

@@ -1,4 +1,5 @@
-import { Command, Option } from "commander";
+import type { Command } from "commander";
+import { Option } from "commander";
 
 export function addLoggerOptions(program: Command) {
   return program

packages/cli/src/commands/cache/action.ts

@@ -1,7 +1,7 @@
-import { clearCache } from "./clearCache";
+import { clearCache } from "./clearCache.js";
-import { Command } from "commander";
+import type { Command } from "commander";
-import { getConfig } from "../../config/getConfig";
+import { getConfig } from "../../config/getConfig.js";
-import { pruneCache } from "./pruneCache";
+import { pruneCache } from "./pruneCache.js";
 import createLogger from "@lage-run/logger";
 import { initializeReporters } from "@lage-run/reporters";
 import type { ReporterInitOptions } from "@lage-run/reporters";

packages/cli/src/commands/cache/cacheDir.ts

@@ -1,4 +1,4 @@
-import fs from "fs";
+import type fs from "fs";
 import path from "path";
 import { rm, unlink } from "fs/promises";
 

packages/cli/src/commands/cache/clearCache.ts

@@ -1,6 +1,6 @@
-import { getCacheDir, removeCacheEntry } from "./cacheDir";
+import { getCacheDir, removeCacheEntry } from "./cacheDir.js";
 import { getWorkspaceRoot, getWorkspaces } from "workspace-tools";
-import { Logger } from "@lage-run/logger";
+import type { Logger } from "@lage-run/logger";
 import { stat } from "fs/promises";
 import fs from "fs";
 import path from "path";

packages/cli/src/commands/cache/index.ts

@@ -1,6 +1,6 @@
 import { Command, Option } from "commander";
-import { addLoggerOptions } from "../addLoggerOptions";
+import { addLoggerOptions } from "../addLoggerOptions.js";
-import { cacheAction } from "./action";
+import { cacheAction } from "./action.js";
 
 const cacheCommand = new Command("cache");
 

packages/cli/src/commands/cache/pruneCache.ts

@@ -1,8 +1,8 @@
-import { Logger } from "@lage-run/logger";
+import type { Logger } from "@lage-run/logger";
 import { stat } from "fs/promises";
 import fs from "fs";
 import path from "path";
-import { getCacheDir, removeCacheEntry } from "./cacheDir";
+import { getCacheDir, removeCacheEntry } from "./cacheDir.js";
 import { getWorkspaces } from "workspace-tools";
 
 const MS_IN_A_DAY = 1000 * 60 * 60 * 24;

packages/cli/src/commands/run/action.ts

@@ -1,6 +1,6 @@
-import { Command } from "commander";
+import type { Command } from "commander";
-import { runAction } from "./runAction";
+import { runAction } from "./runAction.js";
-import { watchAction } from "./watchAction";
+import { watchAction } from "./watchAction.js";
 import type { ReporterInitOptions } from "@lage-run/reporters";
 
 interface RunOptions extends ReporterInitOptions {

packages/cli/src/commands/run/createCacheProvider.ts

@@ -1,6 +1,7 @@
-import { BackfillCacheProvider, CacheOptions, RemoteFallbackCacheProvider, TargetHasher } from "@lage-run/cache";
+import type { CacheOptions } from "@lage-run/cache";
-import { Logger } from "@lage-run/logger";
+import { BackfillCacheProvider, RemoteFallbackCacheProvider, TargetHasher } from "@lage-run/cache";
-import { isRunningFromCI } from "../isRunningFromCI";
+import type { Logger } from "@lage-run/logger";
+import { isRunningFromCI } from "../isRunningFromCI.js";
 
 interface CreateCacheOptions {
   cacheOptions?: CacheOptions;

packages/cli/src/commands/run/createTargetGraph.ts

@@ -1,9 +1,8 @@
-import { Logger } from "@lage-run/logger";
+import type { Logger } from "@lage-run/logger";
 import { TargetGraphBuilder } from "@lage-run/target-graph";
-import { getPackageInfos, PackageInfos } from "workspace-tools";
+import type { PackageInfos } from "workspace-tools";
-import { getFilteredPackages } from "../../filter/getFilteredPackages";
+import { getFilteredPackages } from "../../filter/getFilteredPackages.js";
-import type { PipelineDefinition } from "../../types/PipelineDefinition";
+import type { PipelineDefinition } from "../../types/PipelineDefinition.js";
-import { filterArgsForTasks } from "./filterArgsForTasks";
 
 interface CreateTargetGraphOptions {
   logger: Logger;

packages/cli/src/commands/run/filterPipelineDefinitions.ts

@@ -1,5 +1,5 @@
 import type { Target } from "@lage-run/target-graph";
-import type { PipelineDefinition } from "../../types/PipelineDefinition";
+import type { PipelineDefinition } from "../../types/PipelineDefinition.js";
 
 export function filterPipelineDefinitions(targets: IterableIterator<Target>, pipeline: PipelineDefinition) {
   const tasksSet = new Set<string>();

packages/cli/src/commands/run/index.ts

@@ -1,8 +1,8 @@
-import { Command, Option } from "commander";
+import { Command } from "commander";
 import os from "os";
-import { action } from "./action";
+import { action } from "./action.js";
-import { addLoggerOptions } from "../addLoggerOptions";
+import { addLoggerOptions } from "../addLoggerOptions.js";
-import { isRunningFromCI } from "../isRunningFromCI";
+import { isRunningFromCI } from "../isRunningFromCI.js";
 
 const runCommand = new Command("run");
 

packages/cli/src/commands/run/runAction.ts

@@ -1,17 +1,18 @@
-import { Command } from "commander";
+import type { Command } from "commander";
-import { createCache } from "./createCacheProvider";
+import { createCache } from "./createCacheProvider.js";
-import { createProfileReporter } from "./createProfileReporter";
+import { createProfileReporter } from "./createProfileReporter.js";
-import { createTargetGraph } from "./createTargetGraph";
+import { createTargetGraph } from "./createTargetGraph.js";
-import { filterArgsForTasks } from "./filterArgsForTasks";
+import { filterArgsForTasks } from "./filterArgsForTasks.js";
-import { filterPipelineDefinitions } from "./filterPipelineDefinitions";
+import { filterPipelineDefinitions } from "./filterPipelineDefinitions.js";
 import { findNpmClient } from "@lage-run/find-npm-client";
-import { getConfig } from "../../config/getConfig";
+import { getConfig } from "../../config/getConfig.js";
-import { getMaxWorkersPerTask, getMaxWorkersPerTaskFromOptions } from "../../config/getMaxWorkersPerTask";
+import { getMaxWorkersPerTask, getMaxWorkersPerTaskFromOptions } from "../../config/getMaxWorkersPerTask.js";
 import { getPackageInfos, getWorkspaceRoot } from "workspace-tools";
 import { initializeReporters } from "@lage-run/reporters";
 import { SimpleScheduler } from "@lage-run/scheduler";
 
-import createLogger, { Reporter } from "@lage-run/logger";
+import type { Reporter } from "@lage-run/logger";
+import createLogger from "@lage-run/logger";
 
 import type { ReporterInitOptions } from "@lage-run/reporters";
 import type { SchedulerRunSummary } from "@lage-run/scheduler-types";

packages/cli/src/commands/run/watchAction.ts

@@ -1,17 +1,18 @@
-import { Command } from "commander";
+import type { Command } from "commander";
-import { createCache } from "./createCacheProvider";
+import { createCache } from "./createCacheProvider.js";
-import { createTargetGraph } from "./createTargetGraph";
+import { createTargetGraph } from "./createTargetGraph.js";
-import { filterArgsForTasks } from "./filterArgsForTasks";
+import { filterArgsForTasks } from "./filterArgsForTasks.js";
 import { findNpmClient } from "@lage-run/find-npm-client";
-import { getConfig } from "../../config/getConfig";
+import { getConfig } from "../../config/getConfig.js";
-import { getMaxWorkersPerTask, getMaxWorkersPerTaskFromOptions } from "../../config/getMaxWorkersPerTask";
+import { getMaxWorkersPerTask, getMaxWorkersPerTaskFromOptions } from "../../config/getMaxWorkersPerTask.js";
 import { getPackageInfos, getWorkspaceRoot } from "workspace-tools";
-import { filterPipelineDefinitions } from "./filterPipelineDefinitions";
+import { filterPipelineDefinitions } from "./filterPipelineDefinitions.js";
 import { LogReporter } from "@lage-run/reporters";
 import { SimpleScheduler } from "@lage-run/scheduler";
-import { watch } from "./watcher";
+import { watch } from "./watcher.js";
 
-import createLogger, { LogLevel, Reporter } from "@lage-run/logger";
+import type { Reporter } from "@lage-run/logger";
+import createLogger, { LogLevel } from "@lage-run/logger";
 
 import type { ReporterInitOptions } from "@lage-run/reporters";
 import type { SchedulerRunSummary } from "@lage-run/scheduler-types";

packages/cli/src/commands/run/watcher.ts

@@ -2,7 +2,7 @@ import chokidar from "chokidar";
 
 import path from "path";
 import { getPackageInfos, getWorkspaceRoot } from "workspace-tools";
-import type { PackageInfo, PackageInfos } from "workspace-tools";
+import type { PackageInfos } from "workspace-tools";
 import EventEmitter from "events";
 
 interface PathIndexItem {
@@ -77,6 +77,7 @@ function findPackageByPath(filePath: string, index: PathIndex) {
 
   for (const pathPart of pathParts) {
     if (!pointer[pathPart]) {
+      // eslint-disable-next-line no-console
       console.log(pathPart, filePath);
       break;
     }

packages/cli/src/config/getConfig.ts

@@ -1,7 +1,7 @@
 import os from "os";
 import { cosmiconfig } from "cosmiconfig";
 import { getWorkspaceRoot } from "workspace-tools";
-import type { ConfigOptions } from "../types/ConfigOptions";
+import type { ConfigOptions } from "../types/ConfigOptions.js";
 
 export async function getConfig(cwd: string): Promise<ConfigOptions> {
   // Verify presence of git

packages/cli/src/config/getMaxWorkersPerTask.ts

@@ -1,4 +1,4 @@
-import type { ConfigOptions } from "../types/ConfigOptions";
+import type { ConfigOptions } from "../types/ConfigOptions.js";
 
 export function getMaxWorkersPerTask(pipelineConfig: ConfigOptions["pipeline"], concurrency: number) {
   const maxWorkersPerTask = new Map<string, number>();
@@ -18,7 +18,7 @@ export function getMaxWorkersPerTask(pipelineConfig: ConfigOptions["pipeline"],
         continue;
       }
 
-      let maxWorkers: number = 0;
+      let maxWorkers = 0;
 
       if (typeof maxWorkerOption !== "number") {
         throw new Error(`Invalid maxWorkers value: ${maxWorkerOption}`);

packages/cli/src/filter/getFilteredPackages.ts

@@ -1,13 +1,13 @@
+import type { PackageInfos } from "workspace-tools";
 import {
   getScopedPackages,
   getChangedPackages,
   getBranchChanges,
-  PackageInfos,
   getTransitiveDependents,
   getTransitiveDependencies,
 } from "workspace-tools";
 import * as fg from "fast-glob";
-import { Logger } from "@lage-run/logger";
+import type { Logger } from "@lage-run/logger";
 
 export function getFilteredPackages(options: {
   root: string;

packages/cli/src/index.ts

@@ -1 +1 @@
-export type { ConfigOptions } from "./types/ConfigOptions";
+export type { ConfigOptions } from "./types/ConfigOptions.js";

packages/cli/src/showHelp.ts

@@ -1,3 +1,5 @@
+/* eslint-disable no-console */
+
 export function showHelp(msg: string) {
   console.error(msg);
 

packages/cli/src/types/CacheOptions.ts

@@ -1,4 +1,4 @@
-import { Config as BackfillCacheOptions } from "backfill-config";
+import type { Config as BackfillCacheOptions } from "backfill-config";
 
 export type CacheOptions = BackfillCacheOptions & {
   environmentGlob: string[];

packages/cli/src/types/ConfigOptions.ts

@@ -1,8 +1,8 @@
-import { CacheOptions } from "./CacheOptions";
+import type { CacheOptions } from "./CacheOptions.js";
-import { Priority } from "./Priority";
+import type { Priority } from "./Priority.js";
-import { PipelineDefinition } from "./PipelineDefinition";
+import type { PipelineDefinition } from "./PipelineDefinition.js";
-import { LoggerOptions } from "./LoggerOptions";
+import type { LoggerOptions } from "./LoggerOptions.js";
-import { TargetRunnerPickerOptions } from "@lage-run/scheduler/lib/runners/TargetRunnerPicker";
+import type { TargetRunnerPickerOptions } from "@lage-run/scheduler/lib/runners/TargetRunnerPicker.js";
 
 export type NpmClient = "npm" | "yarn" | "pnpm";
 

packages/cli/src/types/LoggerOptions.ts

@@ -1,4 +1,4 @@
-import { LogLevel } from "@lage-run/logger";
+import type { LogLevel } from "@lage-run/logger";
 
 export interface LoggerOptions {
   disp?: {

packages/cli/src/types/PipelineDefinition.ts

@@ -1,5 +1,5 @@
-import { TargetConfig } from "@lage-run/target-graph";
+import type { TargetConfig } from "@lage-run/target-graph";
-import { ConfigOptions } from "./ConfigOptions";
+import type { ConfigOptions } from "./ConfigOptions.js";
 
 export interface FactoryArgs {
   cwd: string;

packages/e2e-tests/package.json

@@ -15,7 +15,8 @@
   "scripts": {
     "build": "tsc",
     "start": "tsc -w --preserveWatchOutput",
-    "test": "jest"
+    "test": "jest",
+    "lint": "monorepo-scripts lint"
   },
   "dependencies": {
     "monorepo-scripts": "*",

packages/e2e-tests/src/basic.test.ts

@@ -1,5 +1,5 @@
-import { Monorepo } from "./mock/monorepo";
+import { Monorepo } from "./mock/monorepo.js";
-import { filterEntry, parseNdJson } from "./parseNdJson";
+import { filterEntry, parseNdJson } from "./parseNdJson.js";
 
 describe("basics", () => {
   it("basic test case", () => {

packages/e2e-tests/src/basicFailure.test.ts

@@ -1,5 +1,5 @@
-import { Monorepo } from "./mock/monorepo";
+import { Monorepo } from "./mock/monorepo.js";
-import { filterEntry, parseNdJson } from "./parseNdJson";
+import { filterEntry, parseNdJson } from "./parseNdJson.js";
 
 describe("basic failure case where a dependent target has failed", () => {
   it("when a failure happens, halts all other targets", () => {
@@ -62,8 +62,6 @@ describe("basic failure case where a dependent target has failed", () => {
 
     jsonOutput = parseNdJson(output);
 
-    console.log(repo.root);
-
     expect(jsonOutput.find((entry) => filterEntry(entry.data, "b", "build", "failed"))).toBeTruthy();
     expect(jsonOutput.find((entry) => filterEntry(entry.data, "b", "test", "success"))).toBeFalsy();
     expect(jsonOutput.find((entry) => filterEntry(entry.data, "a", "build", "success"))).toBeFalsy();

packages/e2e-tests/src/bigapp.test.ts

@@ -1,6 +1,6 @@
-import { Monorepo } from "./mock/monorepo";
+import { Monorepo } from "./mock/monorepo.js";
 import { getTargetId } from "@lage-run/target-graph";
-import { filterEntry, parseNdJson } from "./parseNdJson";
+import { filterEntry, parseNdJson } from "./parseNdJson.js";
 
 describe("bigapp test", () => {
   // This test follows the model as documented here:

packages/e2e-tests/src/cacheClear.test.ts

@@ -1,7 +1,7 @@
 import fs from "fs";
 import path from "path";
 
-import { Monorepo } from "./mock/monorepo";
+import { Monorepo } from "./mock/monorepo.js";
 
 const defaultCacheLocation = "node_modules/.cache/backfill";
 const cacheLocation = ".cache/backfill";

packages/e2e-tests/src/info.test-disabled.ts

@@ -1,9 +1,9 @@
-import { Monorepo } from "./mock/monorepo";
+import { Monorepo } from "./mock/monorepo.js";
 
 describe("info test", () => {
   it("with json reporter", () => {
     const result = testInfoWithReporter("json");
-    var resultObj = JSON.parse(result);
+    const resultObj = JSON.parse(result);
     // make deterministic
     resultObj.timestamp = 0;
     expect(JSON.stringify(resultObj)).toMatchSnapshot();

packages/e2e-tests/src/mock/monorepo.ts

@@ -138,7 +138,7 @@ export class Monorepo {
     return execa.sync("git", ["push", origin, branch], { cwd: this.root });
   }
 
-  commitFiles(files: { [name: string]: string | Object }, options: { executable?: boolean } = {}) {
+  commitFiles(files: { [name: string]: string | Record<string, unknown> }, options: { executable?: boolean } = {}) {
     for (const [file, contents] of Object.entries(files)) {
       let out = "";
       if (typeof contents !== "string") {

packages/e2e-tests/src/remoteFallback.test.ts

@@ -1,5 +1,5 @@
-import { Monorepo } from "./mock/monorepo";
+import { Monorepo } from "./mock/monorepo.js";
-import { parseNdJson } from "./parseNdJson";
+import { parseNdJson } from "./parseNdJson.js";
 
 describe("RemoteFallbackCacheProvider", () => {
   it("should skip local cache population if --skip-local-cache is enabled", () => {

packages/e2e-tests/src/transitiveTaskDeps.test.ts

@@ -1,6 +1,6 @@
-import { Monorepo } from "./mock/monorepo";
+import { Monorepo } from "./mock/monorepo.js";
 import { getTargetId } from "@lage-run/target-graph";
-import { filterEntry, parseNdJson } from "./parseNdJson";
+import { filterEntry, parseNdJson } from "./parseNdJson.js";
 
 describe("transitive task deps test", () => {
   // This test follows the model as documented here:

packages/find-npm-client/package.json

@@ -10,7 +10,8 @@
   "types": "lib/index.d.ts",
   "scripts": {
     "build": "tsc",
-    "start": "tsc -w --preserveWatchOutput"
+    "start": "tsc -w --preserveWatchOutput",
+    "lint": "monorepo-scripts lint"
   },
   "devDependencies": {
     "monorepo-scripts": "*"

packages/find-npm-client/src/index.ts

@@ -1 +1 @@
-export { findNpmClient } from "./findNpmClient";
+export { findNpmClient } from "./findNpmClient.js";

packages/format-hrtime/package.json

@@ -11,7 +11,8 @@
   "scripts": {
     "build": "tsc",
     "start": "tsc -w --preserveWatchOutput",
-    "test": "jest"
+    "test": "jest",
+    "lint": "monorepo-scripts lint"
   },
   "devDependencies": {},
   "publishConfig": {

packages/format-hrtime/src/index.ts

@@ -1 +1 @@
-export { formatDuration, hrToSeconds, hrtimeDiff } from "./formatDuration";
+export { formatDuration, hrToSeconds, hrtimeDiff } from "./formatDuration.js";

packages/logger/package.json

@@ -11,7 +11,8 @@
   "scripts": {
     "build": "tsc",
     "start": "tsc -w --preserveWatchOutput",
-    "test": "jest"
+    "test": "jest",
+    "lint": "monorepo-scripts lint"
   },
   "devDependencies": {},
   "publishConfig": {

packages/logger/src/Logger.ts

@@ -1,6 +1,6 @@
-import type { LogStructuredData } from "./interfaces/LogStructuredData";
+import type { LogStructuredData } from "./interfaces/LogStructuredData.js";
-import type { Reporter } from "./interfaces/Reporter";
+import type { Reporter } from "./interfaces/Reporter.js";
-import { LogLevel } from "./interfaces/LogLevel";
+import { LogLevel } from "./interfaces/LogLevel.js";
 import { createInterface } from "readline";
 
 export class Logger<TLogStructuredData extends LogStructuredData = LogStructuredData> {

packages/logger/src/index.ts

@@ -1,14 +1,14 @@
-import { LogStructuredData } from "./interfaces/LogStructuredData";
+import type { LogStructuredData } from "./interfaces/LogStructuredData.js";
-import { Logger } from "./Logger";
+import { Logger } from "./Logger.js";
 
 export default function createLogger<TLogStructuredData extends LogStructuredData = LogStructuredData>() {
   return new Logger<TLogStructuredData>();
 }
 
-export type { LogEntry } from "./interfaces/LogEntry";
+export type { LogEntry } from "./interfaces/LogEntry.js";
-export type { Reporter } from "./interfaces/Reporter";
+export type { Reporter } from "./interfaces/Reporter.js";
 export type { LogStructuredData };
 
 /** Logger, can be extended to have specific TLogStructuredData generic param */
 export { Logger };
-export { LogLevel } from "./interfaces/LogLevel";
+export { LogLevel } from "./interfaces/LogLevel.js";

packages/logger/src/interfaces/LogEntry.ts

@@ -1,5 +1,5 @@
-import type { LogLevel } from "./LogLevel";
+import type { LogLevel } from "./LogLevel.js";
-import { LogStructuredData } from "./LogStructuredData";
+import type { LogStructuredData } from "./LogStructuredData.js";
 
 export interface LogEntry<TLogStructuredData extends LogStructuredData = LogStructuredData> {
   /** a timestamp of when the log event occurred */

packages/logger/src/interfaces/Reporter.ts

@@ -1,6 +1,6 @@
-import type { LogLevel } from "./LogLevel";
+import type { LogLevel } from "./LogLevel.js";
-import type { LogEntry } from "./LogEntry";
+import type { LogEntry } from "./LogEntry.js";
-import { LogStructuredData } from "./LogStructuredData";
+import type { LogStructuredData } from "./LogStructuredData.js";
 
 export interface Reporter<TLogStructuredData extends LogStructuredData = LogStructuredData> {
   /** log level, use the LogLevel object */

packages/monorepo-fixture/src/index.ts

@@ -1 +1 @@
-export * from "./monorepo";
+export * from "./monorepo.js";

packages/reporters/src/AdoReporter.ts

@@ -1,11 +1,11 @@
 import { formatDuration, hrToSeconds } from "@lage-run/format-hrtime";
 import { getPackageAndTask } from "@lage-run/target-graph";
-import { isTargetStatusLogEntry } from "./isTargetStatusLogEntry";
+import { isTargetStatusLogEntry } from "./isTargetStatusLogEntry.js";
 import { LogLevel } from "@lage-run/logger";
 import chalk from "chalk";
 import type { Reporter, LogEntry } from "@lage-run/logger";
 import type { SchedulerRunSummary, TargetStatus } from "@lage-run/scheduler-types";
-import type { TargetMessageEntry, TargetStatusEntry } from "./types/TargetLogEntry";
+import type { TargetMessageEntry, TargetStatusEntry } from "./types/TargetLogEntry.js";
 import type { Writable } from "stream";
 
 const colors = {

packages/reporters/src/ChromeTraceEventsReporter.ts

@@ -1,11 +1,11 @@
 import { getStartTargetId } from "@lage-run/target-graph";
-import { isTargetStatusLogEntry } from "./isTargetStatusLogEntry";
+import { isTargetStatusLogEntry } from "./isTargetStatusLogEntry.js";
 import chalk from "chalk";
 import fs from "fs";
 import path from "path";
 import type { LogEntry, Reporter } from "@lage-run/logger";
 import type { SchedulerRunSummary, TargetRun } from "@lage-run/scheduler-types";
-import type { TargetMessageEntry, TargetStatusEntry } from "./types/TargetLogEntry";
+import type { TargetMessageEntry, TargetStatusEntry } from "./types/TargetLogEntry.js";
 import type { Writable } from "stream";
 
 interface TraceEventsObject {

packages/reporters/src/JsonReporter.ts

@@ -3,7 +3,7 @@
 import { hrToSeconds } from "@lage-run/format-hrtime";
 import type { SchedulerRunSummary } from "@lage-run/scheduler-types";
 import type { LogEntry, LogLevel, Reporter } from "@lage-run/logger";
-import type { TargetMessageEntry, TargetStatusEntry } from "./types/TargetLogEntry";
+import type { TargetMessageEntry, TargetStatusEntry } from "./types/TargetLogEntry.js";
 
 export class JsonReporter implements Reporter {
   constructor(private options: { logLevel: LogLevel }) {}

packages/reporters/src/LogReporter.ts

@@ -1,6 +1,6 @@
 import { formatDuration, hrtimeDiff, hrToSeconds } from "@lage-run/format-hrtime";
 import { getPackageAndTask } from "@lage-run/target-graph";
-import { isTargetStatusLogEntry } from "./isTargetStatusLogEntry";
+import { isTargetStatusLogEntry } from "./isTargetStatusLogEntry.js";
 import { LogLevel } from "@lage-run/logger";
 import ansiRegex from "ansi-regex";
 import chalk from "chalk";
@@ -8,10 +8,10 @@ import type { Chalk } from "chalk";
 import gradient from "gradient-string";
 import type { Reporter, LogEntry } from "@lage-run/logger";
 import type { SchedulerRunSummary, TargetStatus } from "@lage-run/scheduler-types";
-import type { TargetMessageEntry, TargetStatusEntry } from "./types/TargetLogEntry";
+import type { TargetMessageEntry, TargetStatusEntry } from "./types/TargetLogEntry.js";
 import type { Writable } from "stream";
 import crypto from "crypto";
-import { formatBytes } from "./formatBytes";
+import { formatBytes } from "./formatBytes.js";
 
 const colors = {
   [LogLevel.info]: chalk.white,

packages/reporters/src/createReporter.ts

@@ -1,7 +1,7 @@
 import { LogLevel } from "@lage-run/logger";
-import { JsonReporter } from "./JsonReporter";
+import { JsonReporter } from "./JsonReporter.js";
-import { AdoReporter } from "./AdoReporter";
+import { AdoReporter } from "./AdoReporter.js";
-import { LogReporter } from "./LogReporter";
+import { LogReporter } from "./LogReporter.js";
 
 export function createReporter({
   reporter = "npmLog",

packages/reporters/src/index.ts

@@ -1,10 +1,10 @@
-export { AdoReporter } from "./AdoReporter";
+export { AdoReporter } from "./AdoReporter.js";
-export { JsonReporter } from "./JsonReporter";
+export { JsonReporter } from "./JsonReporter.js";
-export { LogReporter } from "./LogReporter";
+export { LogReporter } from "./LogReporter.js";
-export { ChromeTraceEventsReporter } from "./ChromeTraceEventsReporter";
+export { ChromeTraceEventsReporter } from "./ChromeTraceEventsReporter.js";
 
-export { initializeReporters } from "./initialize";
+export { initializeReporters } from "./initialize.js";
-export { createReporter } from "./createReporter";
+export { createReporter } from "./createReporter.js";
 
-export type { TargetStatusEntry, TargetMessageEntry } from "./types/TargetLogEntry";
+export type { TargetStatusEntry, TargetMessageEntry } from "./types/TargetLogEntry.js";
-export type { ReporterInitOptions } from "./initialize";
+export type { ReporterInitOptions } from "./initialize.js";

packages/reporters/src/initialize.ts

@@ -1,5 +1,5 @@
 import { LogLevel } from "@lage-run/logger";
-import { createReporter } from "./createReporter";
+import { createReporter } from "./createReporter.js";
 import type { Logger } from "@lage-run/logger";
 
 export interface ReporterInitOptions {

packages/reporters/src/isTargetStatusLogEntry.ts

@@ -1,5 +1,5 @@
 import type { LogStructuredData } from "@lage-run/logger";
-import type { TargetStatusEntry } from "./types/TargetLogEntry";
+import type { TargetStatusEntry } from "./types/TargetLogEntry.js";
 
 export function isTargetStatusLogEntry(data?: LogStructuredData): data is TargetStatusEntry {
   return data !== undefined && data.target && data.status !== undefined;

packages/scheduler-types/src/index.ts

@@ -1,5 +1,5 @@
-export type { TargetRunSummary, SchedulerRunSummary, SchedulerRunResults } from "./types/SchedulerRunSummary";
+export type { TargetRunSummary, SchedulerRunSummary, SchedulerRunResults } from "./types/SchedulerRunSummary.js";
-export type { TargetRun } from "./types/TargetRun";
+export type { TargetRun } from "./types/TargetRun.js";
-export type { TargetRunner, TargetRunnerOptions } from "./types/TargetRunner";
+export type { TargetRunner, TargetRunnerOptions } from "./types/TargetRunner.js";
-export type { TargetScheduler } from "./types/TargetScheduler";
+export type { TargetScheduler } from "./types/TargetScheduler.js";
-export type { TargetStatus } from "./types/TargetStatus";
+export type { TargetStatus } from "./types/TargetStatus.js";

packages/scheduler-types/src/types/SchedulerRunSummary.ts

@@ -1,5 +1,5 @@
-import type { TargetRun } from "./TargetRun";
+import type { TargetRun } from "./TargetRun.js";
-import type { TargetStatus } from "./TargetStatus";
+import type { TargetStatus } from "./TargetStatus.js";
 
 // the "-?" syntax is TypeScript's way of making Mapped Types index signatures to always include a key
 // https://www.typescriptlang.org/docs/handbook/2/mapped-types.html#mapping-modifiers

packages/scheduler-types/src/types/TargetRun.ts

@@ -1,5 +1,5 @@
 import type { Target } from "@lage-run/target-graph";
-import type { TargetStatus } from "./TargetStatus";
+import type { TargetStatus } from "./TargetStatus.js";
 
 export interface TargetRun {
   queueTime: [number, number];

packages/scheduler-types/src/types/TargetScheduler.ts

@@ -1,5 +1,5 @@
 import type { TargetGraph } from "@lage-run/target-graph";
-import type { SchedulerRunSummary } from "./SchedulerRunSummary";
+import type { SchedulerRunSummary } from "./SchedulerRunSummary.js";
 
 export interface TargetScheduler {
   abort(): void;

packages/scheduler/src/SimpleScheduler.ts

@@ -1,7 +1,7 @@
 import { AbortController } from "abort-controller";
-import { categorizeTargetRuns } from "./categorizeTargetRuns";
+import { categorizeTargetRuns } from "./categorizeTargetRuns.js";
 import { getStartTargetId, sortTargetsByPriority } from "@lage-run/target-graph";
-import { WrappedTarget } from "./WrappedTarget";
+import { WrappedTarget } from "./WrappedTarget.js";
 
 import type { AbortSignal } from "abort-controller";
 import type { CacheProvider, TargetHasher } from "@lage-run/cache";
@@ -9,9 +9,9 @@ import type { Logger } from "@lage-run/logger";
 import type { TargetGraph, Target } from "@lage-run/target-graph";
 import type { TargetScheduler, SchedulerRunResults, SchedulerRunSummary, TargetRunSummary } from "@lage-run/scheduler-types";
 import type { Pool } from "@lage-run/worker-threads-pool";
-import type { TargetRunnerPickerOptions } from "./runners/TargetRunnerPicker";
+import type { TargetRunnerPickerOptions } from "./runners/TargetRunnerPicker.js";
 import { AggregatedPool } from "@lage-run/worker-threads-pool";
-import { formatBytes } from "./formatBytes";
+import { formatBytes } from "./formatBytes.js";
 
 export interface SimpleSchedulerOptions {
   logger: Logger;

packages/scheduler/src/WrappedTarget.ts

@@ -1,5 +1,5 @@
-import { bufferTransform } from "./bufferTransform";
+import { bufferTransform } from "./bufferTransform.js";
-import { getLageOutputCacheLocation } from "./getLageOutputCacheLocation";
+import { getLageOutputCacheLocation } from "./getLageOutputCacheLocation.js";
 import { LogLevel } from "@lage-run/logger";
 
 import fs from "fs";

packages/scheduler/src/index.ts

@@ -1,4 +1,4 @@
-export { NpmScriptRunner } from "./runners/NpmScriptRunner";
+export { NpmScriptRunner } from "./runners/NpmScriptRunner.js";
-export { SimpleScheduler } from "./SimpleScheduler";
+export { SimpleScheduler } from "./SimpleScheduler.js";
-export { TargetRunnerPicker } from "./runners/TargetRunnerPicker";
+export { TargetRunnerPicker } from "./runners/TargetRunnerPicker.js";
-export { WorkerRunner } from "./runners/WorkerRunner";
+export { WorkerRunner } from "./runners/WorkerRunner.js";

packages/scheduler/src/runners/TargetRunnerPicker.ts

@@ -1,6 +1,6 @@
 import path from "path";
 import { getStartTargetId } from "@lage-run/target-graph";
-import { NoOpRunner } from "./NoOpRunner";
+import { NoOpRunner } from "./NoOpRunner.js";
 import type { Target } from "@lage-run/target-graph";
 import type { TargetRunner } from "@lage-run/scheduler-types";
 

packages/scheduler/src/workers/targetWorker.ts

@@ -1,8 +1,8 @@
 import { registerWorker } from "@lage-run/worker-threads-pool";
-import { TargetRunnerPicker } from "../runners/TargetRunnerPicker";
+import { TargetRunnerPicker } from "../runners/TargetRunnerPicker.js";
 import { workerData } from "worker_threads";
 import type { AbortSignal } from "abort-controller";
-import type { TargetRunnerPickerOptions } from "../runners/TargetRunnerPicker";
+import type { TargetRunnerPickerOptions } from "../runners/TargetRunnerPicker.js";
 
 interface TargetWorkerDataOptions {
   runners: TargetRunnerPickerOptions;

packages/target-graph/src/TargetGraphBuilder.ts

@@ -1,16 +1,16 @@
-import { createDependencyMap } from "workspace-tools/lib/graph/createDependencyMap";
+import { createDependencyMap } from "workspace-tools/lib/graph/createDependencyMap.js";
-import { getPackageAndTask, getStartTargetId, getTargetId } from "./targetId";
+import { getPackageAndTask, getStartTargetId, getTargetId } from "./targetId.js";
-import { prioritize } from "./prioritize";
+import { prioritize } from "./prioritize.js";
-import { expandDepSpecs } from "./expandDepSpecs";
+import { expandDepSpecs } from "./expandDepSpecs.js";
 
 import path from "path";
 
-import type { DependencyMap } from "workspace-tools/lib/graph/createDependencyMap";
+import type { DependencyMap } from "workspace-tools/lib/graph/createDependencyMap.js";
 import type { PackageInfos } from "workspace-tools";
-import type { Target } from "./types/Target";
+import type { Target } from "./types/Target.js";
-import type { TargetConfig } from "./types/TargetConfig";
+import type { TargetConfig } from "./types/TargetConfig.js";
-import { detectCycles } from "./detectCycles";
+import { detectCycles } from "./detectCycles.js";
-import { getWeight } from "./getWeight";
+import { getWeight } from "./getWeight.js";
 
 /**
  * TargetGraphBuilder class provides a builder API for registering target configs. It exposes a method called `generateTargetGraph` to

packages/target-graph/src/detectCycles.ts

@@ -1,4 +1,4 @@
-import type { Target } from "./types/Target";
+import type { Target } from "./types/Target.js";
 
 /**
  * Checks for any cycles in the dependency graph, returning `{ hasCycle: false }` if no cycles were detected.

packages/target-graph/src/expandDepSpecs.ts

@@ -1,6 +1,6 @@
-import type { Target } from "./types/Target";
+import type { Target } from "./types/Target.js";
-import type { DependencyMap } from "workspace-tools/lib/graph/createDependencyMap";
+import type { DependencyMap } from "workspace-tools/lib/graph/createDependencyMap.js";
-import { getPackageAndTask, getStartTargetId, getTargetId } from "./targetId";
+import { getPackageAndTask, getStartTargetId, getTargetId } from "./targetId.js";
 
 /**
  * Expands the dependency graph by adding all transitive dependencies of the given targets.

packages/target-graph/src/getWeight.ts

@@ -1,4 +1,4 @@
-import type { Target } from "./types/Target";
+import type { Target } from "./types/Target.js";
 
 export function getWeight(
   target: Target,

packages/target-graph/src/index.ts

@@ -1,8 +1,8 @@
-export type { Target } from "./types/Target";
+export type { Target } from "./types/Target.js";
-export type { TargetGraph } from "./types/TargetGraph";
+export type { TargetGraph } from "./types/TargetGraph.js";
-export type { TargetConfig } from "./types/TargetConfig";
+export type { TargetConfig } from "./types/TargetConfig.js";
 
-export { sortTargetsByPriority } from "./sortTargetsByPriority";
+export { sortTargetsByPriority } from "./sortTargetsByPriority.js";
-export { getPackageAndTask, getTargetId, getStartTargetId } from "./targetId";
+export { getPackageAndTask, getTargetId, getStartTargetId } from "./targetId.js";
-export { detectCycles } from "./detectCycles";
+export { detectCycles } from "./detectCycles.js";
-export { TargetGraphBuilder } from "./TargetGraphBuilder";
+export { TargetGraphBuilder } from "./TargetGraphBuilder.js";

packages/target-graph/src/prioritize.ts

@@ -1,4 +1,4 @@
-import type { Target } from "./types/Target";
+import type { Target } from "./types/Target.js";
 
 function getNodesWithNoDependencies(targets: Map<string, Target>) {
   const nodesWithNoDependencies: string[] = [];

packages/target-graph/src/sortTargetsByPriority.ts

@@ -1,4 +1,4 @@
-import type { Target } from "./types/Target";
+import type { Target } from "./types/Target.js";
 
 export function sortTargetsByPriority(targets: Target[]) {
   return targets.sort((a, b) => {

packages/target-graph/src/types/TargetConfig.ts

@@ -1,4 +1,4 @@
-import type { Target } from "./Target";
+import type { Target } from "./Target.js";
 
 /**
  * Target configuration - to be used inside `lage.config.js` options.pipeline configurations

packages/target-graph/src/types/TargetGraph.ts

@@ -1,4 +1,4 @@
-import type { Target } from "../types/Target";
+import type { Target } from "../types/Target.js";
 
 export interface TargetGraph {
   targets: Map<string, Target>;

packages/worker-threads-pool/src/AggregatedPool.ts

@@ -1,10 +1,10 @@
 import type { AbortSignal } from "abort-controller";
 import type { Readable } from "stream";
 import type { Worker, WorkerOptions } from "worker_threads";
-import type { Pool } from "./types/Pool";
+import type { Pool } from "./types/Pool.js";
 import type { Logger } from "@lage-run/logger";
 
-import { WorkerPool } from "./WorkerPool";
+import { WorkerPool } from "./WorkerPool.js";
 
 interface AggregatedPoolOptions {
   groupBy: (data: any) => string;

packages/worker-threads-pool/src/WorkerPool.ts

@@ -4,18 +4,18 @@
  */
 
 import { AsyncResource } from "async_hooks";
-import { createFilteredStreamTransform } from "./createFilteredStreamTransform";
+import { createFilteredStreamTransform } from "./createFilteredStreamTransform.js";
 import { createInterface } from "readline";
-import { endMarker, startMarker } from "./stdioStreamMarkers";
+import { endMarker, startMarker } from "./stdioStreamMarkers.js";
 import { EventEmitter } from "events";
 import { Worker } from "worker_threads";
 import crypto from "crypto";
 import os from "os";
-import type { Pool } from "./types/Pool";
+import type { Pool } from "./types/Pool.js";
 import type { Readable } from "stream";
 
 import type { AbortSignal } from "abort-controller";
-import type { WorkerPoolOptions } from "./types/WorkerPoolOptions";
+import type { WorkerPoolOptions } from "./types/WorkerPoolOptions.js";
 
 const kTaskInfo = Symbol("kTaskInfo");
 const kWorkerFreedEvent = Symbol("kWorkerFreedEvent");

packages/worker-threads-pool/src/createFilteredStreamTransform.ts

@@ -1,5 +1,5 @@
 import { Transform } from "stream";
-import { END_MARKER_PREFIX, START_MARKER_PREFIX } from "./stdioStreamMarkers";
+import { END_MARKER_PREFIX, START_MARKER_PREFIX } from "./stdioStreamMarkers.js";
 
 export function createFilteredStreamTransform(): Transform {
   const transform = new Transform({

packages/worker-threads-pool/src/index.ts

@@ -1,4 +1,4 @@
-export { registerWorker } from "./registerWorker";
+export { registerWorker } from "./registerWorker.js";
-export { WorkerPool } from "./WorkerPool";
+export { WorkerPool } from "./WorkerPool.js";
-export { AggregatedPool } from "./AggregatedPool";
+export { AggregatedPool } from "./AggregatedPool.js";
-export type { Pool } from "./types/Pool";
+export type { Pool } from "./types/Pool.js";

packages/worker-threads-pool/src/registerWorker.ts

@@ -1,6 +1,6 @@
 import { parentPort } from "worker_threads";
 import { AbortController } from "abort-controller";
-import { endMarker, startMarker } from "./stdioStreamMarkers";
+import { endMarker, startMarker } from "./stdioStreamMarkers.js";
 
 import type { AbortSignal } from "abort-controller";
 import type { MessagePort } from "worker_threads";

scripts/config/eslintrc.js

@@ -1,13 +1,14 @@
 module.exports = {
   extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
   parser: "@typescript-eslint/parser",
-  plugins: ["@typescript-eslint"],
+  plugins: ["@typescript-eslint", "file-extension-in-import-ts"],
   rules: {
     "@typescript-eslint/consistent-type-imports": "error",
     "@typescript-eslint/consistent-type-exports": "error",
     "@typescript-eslint/no-non-null-assertion": "off",
     "@typescript-eslint/no-explicit-any": "off",
-    "no-console": "error"
+    "no-console": "error",
+    "file-extension-in-import-ts/file-extension-in-import-ts": "error"
   },
   parserOptions: {
     project: "./tsconfig.json",

scripts/config/jest.config.js

@@ -11,6 +11,8 @@ const moduleNameMapper = Object.values(packages).reduce((acc, { packageJsonPath,
   return acc;
 }, {});
 
+moduleNameMapper["^(\\.{1,2}/.*)\\.js$"] = "$1";
+
 /** @type {import("ts-jest").JestConfigWithTsJest} */
 module.exports = {
   clearMocks: true,
@@ -18,10 +20,11 @@ module.exports = {
   collectCoverageFrom: ["src/**/*.ts", "!src/types/*.ts", "!**/node_modules/**"],
   coverageDirectory: "coverage",
   coverageProvider: "v8",
+  extensionsToTreatAsEsm: [".ts"],
   testMatch: ["**/?(*.)+(spec|test).ts?(x)"],
   testPathIgnorePatterns: ["/node_modules/"],
   transform: {
-    "^.+\\.tsx?$": ["ts-jest", { tsconfig: { isolatedModules: true } }],
+    "^.+\\.tsx?$": ["ts-jest", { tsconfig: { isolatedModules: true }, useESM: true }],
   },
   transformIgnorePatterns: ["/node_modules/", "\\.pnp\\.[^\\/]+$"],
   watchPathIgnorePatterns: ["/node_modules/"],

scripts/package.json

@@ -11,6 +11,7 @@
     "ts-jest": "^29.0.0",
     "typescript": "^4.4.4",
     "eslint": "^8.20.0",
+    "eslint-plugin-file-extension-in-import-ts": "^1.0.1",
     "workspace-tools": "^0.29.0",
     "@typescript-eslint/eslint-plugin": "^5.30.7",
     "@typescript-eslint/parser": "^5.30.7"

scripts/worker/lint.js

@@ -6,7 +6,7 @@ const { readFile } = require("fs/promises");
 const path = require("path");
 
 module.exports = async function run(data) {
-  const { target } = data;
+  const { target, taskArgs } = data;
   const packageJson = JSON.parse(await readFile(path.join(target.cwd, "package.json"), "utf8"));
 
   if (!packageJson.scripts?.[target.task]) {
@@ -18,19 +18,24 @@ module.exports = async function run(data) {
   const baseConfig = require(path.join(PROJECT_ROOT, "scripts/config/eslintrc.js"));
   baseConfig.parserOptions.project = path.join(target.cwd, "tsconfig.json");
 
+  const shouldFix = taskArgs?.includes("--fix");
+
   const eslint = new ESLint({
     reportUnusedDisableDirectives: "error",
     baseConfig,
-    fix: false,
+    fix: shouldFix,
     cache: false,
     cwd: target.cwd,
   });
 
-  const files = "src/**/*.ts";
+  const files = ["src/**/*.ts", "src/*.ts"];
   const results = await eslint.lintFiles(files);
   const formatter = await eslint.loadFormatter("stylish");
   const resultText = await formatter.format(results);
 
+  // 3. Modify the files with the fixed code.
+  await ESLint.outputFixes(results);
+
   // 4. Output it.
   if (resultText) {
     process.stdout.write(resultText + "\n");

yarn.lock

@@ -5844,6 +5844,14 @@ escape-string-regexp@^4.0.0:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz#14ba83a5d373e3d311e5afca29cf5bfad965bf34"
   integrity sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==
 
+eslint-plugin-file-extension-in-import-ts@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-file-extension-in-import-ts/-/eslint-plugin-file-extension-in-import-ts-1.0.1.tgz#aa1cf3e9771e1395ad2284c9186f00a597e80f42"
+  integrity sha512-3Z24WhVyhA0vxj0xfS1ws+1z49LKivdeb9Bp7SdY36x6UJtJYnyi9L6GNJAjVgFTj8ux8M5wz06h/quSyhTYUg==
+  dependencies:
+    is-core-module "^2.9.0"
+    resolve "^1.22.1"
+
 eslint-scope@5.1.1, eslint-scope@^5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-5.1.1.tgz#e786e59a66cb92b3f6c1fb0d508aab174848f48c"