feat: Add proper native ESM support

BREAKING CHANGE: Depending on your build and runtime configuration, this change might break your path resolution.

jest.config.js

@@ -2,6 +2,7 @@ module.exports = {
     preset: "ts-jest",
     setupFiles: ["dotenv/config"],
     collectCoverage: true,
+    resolver: "ts-jest-resolver",
     globals: {
         "ts-jest": {
             diagnostics: false,

package.json

@@ -7,6 +7,7 @@
   "types": "./dist/esm/index.d.ts",
   "exports": {
     "require": "./dist/cjs/index.js",
+    "node": "./dist/cjs/index.mjs",
     "default": "./dist/esm/index.js"
   },
   "sideEffects": false,
@@ -16,6 +17,7 @@
     "build:tsc": "run-p build:tsc:*",
     "build:tsc:cjs": "tsc -p ./tsconfig.cjs.json",
     "build:tsc:esm": "tsc -p ./tsconfig.esm.json",
+    "build:copy": "copyfiles -f ./src/index.mjs ./dist/cjs/",
     "test": "run-p test:unit test:integration",
     "test:unit": "jest --env node tests/unit/**",
     "test:integration": "jest tests/integration/**",
@@ -50,6 +52,7 @@
     "@types/qs": "^6.9.6",
     "@typescript-eslint/eslint-plugin": "^4.24.0",
     "@typescript-eslint/parser": "^4.24.0",
+    "copyfiles": "^2.4.1",
     "dotenv": "^9.0.2",
     "eslint": "^7.26.0",
     "eslint-config-peerigon": "^30.1.0",
@@ -62,6 +65,7 @@
     "prettier": "^2.3.0",
     "rimraf": "^3.0.2",
     "ts-jest": "^26.5.6",
+    "ts-jest-resolver": "^1.1.0",
     "typescript": "^4.2.4"
   },
   "files": [

src/index.mjs

@@ -0,0 +1,2 @@
+// eslint-disable-next-line import/no-unresolved
+export * from "./index.js";

src/index.ts

@@ -1,6 +1,6 @@
-export * from "./internals/utilities/mappings";
-export type { Config } from "./internals/utilities/api";
-export * from "./internals/clockodo";
-export * from "./internals/enums";
-export * from "./internals/interfaces";
-export * from "./internals/returnTypes";
+export * from "./internals/utilities/mappings.js";
+export type { Config } from "./internals/utilities/api.js";
+export * from "./internals/clockodo.js";
+export * from "./internals/enums.js";
+export * from "./internals/interfaces.js";
+export * from "./internals/returnTypes.js";

src/internals/clockodo.ts

@@ -1,6 +1,6 @@
 import snakecaseKeys from "snakecase-keys";
-import { Api, Config } from "./utilities/api";
-import * as REQUIRED from "./utilities/requiredParams";
+import { Api, Config } from "./utilities/api.js";
+import * as REQUIRED from "./utilities/requiredParams.js";
 import {
     AbsenceReturnType,
     AbsencesReturnType,
@@ -33,8 +33,8 @@ import {
     LumpsumServicesReturnType,
     SearchTextsReturnType,
     LumpsumServiceReturnType,
-} from "./returnTypes";
-import { ClockingTimeEntryBillability, TimeEntryBillability } from "./enums";
+} from "./returnTypes.js";
+import { ClockingTimeEntryBillability, TimeEntryBillability } from "./enums.js";
 import {
     Absence,
     Customer,
@@ -47,7 +47,7 @@ import {
     TargethoursRow,
     TimeEntry,
     User,
-} from "./interfaces";
+} from "./interfaces.js";
 
 type Params<
     RequiredParams extends Record<string, unknown> = Record<string, unknown>

src/internals/interfaces.ts

@@ -2,7 +2,7 @@ import {
     EntryType,
     LumpsumEntryBillability,
     TimeEntryBillability,
-} from "./enums";
+} from "./enums.js";
 
 export type Customer = {
     id: number;

src/internals/returnTypes.ts

@@ -13,7 +13,7 @@ import {
     UserReport,
     TargethoursRow,
     LumpsumService,
-} from "./interfaces";
+} from "./interfaces.js";
 
 export type AbsenceReturnType = Promise<{ absence: Absence }>;
 export type AbsencesReturnType = Promise<{ absences: Array<Absence> }>;

src/internals/utilities/api.ts

@@ -1,7 +1,7 @@
 import axios, { AxiosRequestConfig } from "axios";
 import qs from "qs";
-import { axiosClient } from "./symbols";
-import { mapQueryParams, mapRequestBody, mapResponseBody } from "./mappings";
+import { axiosClient } from "./symbols.js";
+import { mapQueryParams, mapRequestBody, mapResponseBody } from "./mappings.js";
 
 const DEFAULT_BASE_URL = "https://my.clockodo.com/api";