feat: ✨ add node support

Add proper support to Node. Previously when importing with node/vite there were errors about importing a directory and relative files needed the .js extension explicitly listed. Now it works in both node and browser.

babel.config.cjs

@@ -8,7 +8,12 @@ module.exports = {
         },
       },
     ],
-    '@babel/preset-typescript',
+    [
+      '@babel/preset-typescript', {
+        'rewriteImportExtensions': true,
+      },
+    ],
   ],
   compact: 'auto',
+
 };

examples/node.js

@@ -0,0 +1,11 @@
+import {Satellite} from '../dist/main.js';
+
+const tle1 = '1 56006U 23042W   24012.45049317  .00000296  00000-0  36967-4 0  9992';
+const tle2 = '2 56006  43.0043  13.3620 0001137 267.5965  92.4747 15.02542972 44491';
+const satellite = new Satellite({
+  tle1,
+  tle2,
+});
+
+// eslint-disable-next-line no-console
+console.log(satellite);

jest.config.ts

@@ -1,7 +1,17 @@
 const jestConfig = {
   testEnvironment: 'node',
+  extensionsToTreatAsEsm: ['.ts'],
+  moduleNameMapper: {
+    '^(\\.{1,2}/.*)\\.js$': '$1',
+  },
   transform: {
-    '\\.(js|ts|jsx|tsx)$': 'babel-jest',
+    '^.+\\.jsx?$': 'babel-jest',
+    '^.+\\.tsx?$': [
+      'ts-jest',
+      {
+        useESM: true,
+      },
+    ],
   },
   testMatch: ['**/test/**/?(*.)+(spec|test).?(m)[jt]s?(x)'],
   moduleFileExtensions: ['js', 'mjs', 'ts'],

package.json

@@ -5,7 +5,7 @@
   "module": "dist/main.js",
   "description": "Orbital Object Toolkit. A modern typed replacement for satellite.js including SGP4 propagation, TLE parsing, Sun and Moon calculations, and more.",
   "scripts": {
-    "build": "npm run clean && npx tsc -p tsconfig.build.json -m esnext",
+    "build": "npm run clean && npx tsc -p tsconfig.build.json",
     "clean": "node ./scripts/cleanup.mjs",
     "lint": "npx eslint src",
     "lint:fix": "npx eslint src --fix",
@@ -39,16 +39,19 @@
     "@babel/preset-env": "^7.23.8",
     "@babel/preset-typescript": "^7.23.3",
     "@types/jest": "^29.5.11",
-    "@typescript-eslint/eslint-plugin": "^6.18.1",
-    "@typescript-eslint/parser": "^6.18.1",
+    "@typescript-eslint/eslint-plugin": "^7.3.1",
+    "@typescript-eslint/parser": "^7.3.1",
     "auto-changelog": "^2.4.0",
     "babel-eslint": "^10.1.0",
     "babel-loader": "^9.1.3",
     "eslint": "^8.56.0",
     "eslint-plugin-jsdoc": "^48.0.2",
+    "fix-esm-import-path": "^1.5.0",
     "jest": "^28.1.3",
-    "tsx": "^4.7.0",
-    "typescript": "^4.9.5"
+    "ts-jest": "^28.0.8",
+    "ts-node": "^10.9.2",
+    "tsx": "^4.7.1",
+    "typescript": "^5.4.3"
   },
   "homepage": "https://github.com/thkruz/ootk-core"
 }

src/body/Celestial.ts

@@ -21,7 +21,7 @@
  * SOFTWARE.
  */
 
-import { AzEl, Degrees, Kilometers, RAD2DEG, RaDec, Radians, Sun } from '../main';
+import { AzEl, Degrees, Kilometers, RAD2DEG, RaDec, Radians, Sun } from '../main.js';
 
 /**
  * Celestial is a static class that provides methods for calculating the position of celestial objects such as the Sun,

src/body/Earth.ts

@@ -39,9 +39,9 @@ import {
   TAU,
   ttasec2rad,
   Vector3D,
-} from '../main';
-import { NutationAngles } from './NutationAngles';
-import { PrecessionAngles } from './PrecessionAngles';
+} from '../main.js';
+import { NutationAngles } from './NutationAngles.js';
+import { PrecessionAngles } from './PrecessionAngles.js';
 
 // / Earth metrics and operations.
 export class Earth {

src/body/Moon.ts

@@ -36,13 +36,13 @@
  * moon calculations are based on formulas from this website
  */
 
-import { AngularDiameterMethod, Celestial, Degrees, Kilometers, RaDec, Radians } from '../main';
-import { Vector3D } from '../operations/Vector3D';
-import { EpochUTC } from '../time/EpochUTC';
-import { DEG2RAD, MS_PER_DAY } from '../utils/constants';
-import { angularDiameter } from '../utils/functions';
-import { Earth } from './Earth';
-import { Sun } from './Sun';
+import { AngularDiameterMethod, Celestial, Degrees, Kilometers, RaDec, Radians } from '../main.js';
+import { Vector3D } from '../operations/Vector3D.js';
+import { EpochUTC } from '../time/EpochUTC.js';
+import { DEG2RAD, MS_PER_DAY } from '../utils/constants.js';
+import { angularDiameter } from '../utils/functions.js';
+import { Earth } from './Earth.js';
+import { Sun } from './Sun.js';
 
 type MoonIlluminationData = {
   fraction: number;

src/body/NutationAngles.ts

@@ -21,7 +21,7 @@
  * SOFTWARE.
  */
 
-import { Radians } from '../main';
+import { Radians } from '../main.js';
 
 /** Represents the nutation angles. */
 export type NutationAngles = {

src/body/PrecessionAngles.ts

@@ -21,7 +21,7 @@
  * SOFTWARE.
  */
 
-import { Radians } from '../main';
+import { Radians } from '../main.js';
 
 /** Represents the precession angles in radians. */
 export type PrecessionAngles = {

src/body/Sun.ts

@@ -55,7 +55,7 @@ import {
   SunTime,
   TAU,
   Vector3D,
-} from '../main';
+} from '../main.js';
 
 /**
  * Sun metrics and operations.

src/body/index.ts

@@ -21,7 +21,7 @@
  * SOFTWARE.
  */
 
-export { Celestial } from './Celestial';
-export { Earth } from './Earth';
-export { Moon } from './Moon';
-export { Sun } from './Sun';
+export { Celestial } from './Celestial.js';
+export { Earth } from './Earth.js';
+export { Moon } from './Moon.js';
+export { Sun } from './Sun.js';

src/coordinate/ClassicalElements.ts

@@ -21,15 +21,15 @@
  * SOFTWARE.
  */
 
-import { Minutes, PositionVelocity, Degrees, Kilometers, Radians, Seconds, KilometersPerSecond } from '../main';
-import { Vector3D } from '../operations/Vector3D';
-import { EpochUTC } from '../time/EpochUTC';
-import { earthGravityParam, MINUTES_PER_DAY, RAD2DEG, sec2min, TAU } from '../utils/constants';
-import { clamp, matchHalfPlane, newtonNu } from '../utils/functions';
-import { EquinoctialElements } from './EquinoctialElements';
-import { OrbitRegime } from '../enums/OrbitRegime';
-import { StateVector } from './StateVector';
-import { ClassicalElementsParams } from '../interfaces/ClassicalElementsParams';
+import { Minutes, PositionVelocity, Degrees, Kilometers, Radians, Seconds, KilometersPerSecond } from '../main.js';
+import { Vector3D } from '../operations/Vector3D.js';
+import { EpochUTC } from '../time/EpochUTC.js';
+import { earthGravityParam, MINUTES_PER_DAY, RAD2DEG, sec2min, TAU } from '../utils/constants.js';
+import { clamp, matchHalfPlane, newtonNu } from '../utils/functions.js';
+import { EquinoctialElements } from './EquinoctialElements.js';
+import { OrbitRegime } from '../enums/OrbitRegime.js';
+import { StateVector } from './StateVector.js';
+import { ClassicalElementsParams } from '../interfaces/ClassicalElementsParams.js';
 
 /**
  * The ClassicalElements class represents the classical orbital elements of an object.

src/coordinate/EquinoctialElements.ts

@@ -21,12 +21,12 @@
  * SOFTWARE.
  */
 
-import { Minutes, PositionVelocity, Kilometers, Radians, Seconds } from '../main';
-import { EpochUTC } from '../time/EpochUTC';
-import { earthGravityParam, MINUTES_PER_DAY, TAU } from '../utils/constants';
-import { newtonM } from '../utils/functions';
-import { ClassicalElements } from './ClassicalElements';
-import { EquinoctialElementsParams } from '../interfaces/EquinoctialElementsParams';
+import { Minutes, PositionVelocity, Kilometers, Radians, Seconds } from '../main.js';
+import { EpochUTC } from '../time/EpochUTC.js';
+import { earthGravityParam, MINUTES_PER_DAY, TAU } from '../utils/constants.js';
+import { newtonM } from '../utils/functions.js';
+import { ClassicalElements } from './ClassicalElements.js';
+import { EquinoctialElementsParams } from '../interfaces/EquinoctialElementsParams.js';
 
 /**
  * Equinoctial elements are a set of orbital elements used to describe the

src/coordinate/FormatTle.ts

@@ -21,7 +21,7 @@
  * SOFTWARE.
  */
 
-import { Tle, StringifiedNumber, TleParams, TleLine1, TleLine2 } from '../main';
+import { Tle, StringifiedNumber, TleParams, TleLine1, TleLine2 } from '../main.js';
 
 /**
  * A class containing static methods for formatting TLEs (Two-Line Elements).

src/coordinate/Geodetic.ts

@@ -21,13 +21,13 @@
  * SOFTWARE.
  */
 
-import { Earth } from '../body/Earth';
-import { AngularDistanceMethod, Degrees, GroundObject, Kilometers, KilometersPerSecond, Radians } from '../main';
-import { Vector3D } from '../operations/Vector3D';
-import { EpochUTC } from '../time/EpochUTC';
-import { DEG2RAD, RAD2DEG } from '../utils/constants';
-import { angularDistance } from '../utils/functions';
-import { ITRF } from './ITRF';
+import { Earth } from '../body/Earth.js';
+import { AngularDistanceMethod, Degrees, GroundObject, Kilometers, KilometersPerSecond, Radians } from '../main.js';
+import { Vector3D } from '../operations/Vector3D.js';
+import { EpochUTC } from '../time/EpochUTC.js';
+import { DEG2RAD, RAD2DEG } from '../utils/constants.js';
+import { angularDistance } from '../utils/functions.js';
+import { ITRF } from './ITRF.js';
 
 /**
  * This Geodetic class represents a geodetic coordinate in three-dimensional

src/coordinate/ITRF.ts

@@ -22,11 +22,11 @@
  */
 
 /* eslint-disable class-methods-use-this */
-import { Kilometers, KilometersPerSecond, Radians, Vector3D } from '../main';
-import { Earth } from '../body/Earth';
-import { Geodetic } from './Geodetic';
-import { J2000 } from './J2000';
-import { StateVector } from './StateVector';
+import { Kilometers, KilometersPerSecond, Radians, Vector3D } from '../main.js';
+import { Earth } from '../body/Earth.js';
+import { Geodetic } from './Geodetic.js';
+import { J2000 } from './J2000.js';
+import { StateVector } from './StateVector.js';
 
 /**
  * The International Terrestrial Reference Frame (ITRF) is a geocentric reference frame for the Earth. It is the

src/coordinate/J2000.ts

@@ -21,12 +21,12 @@
  * SOFTWARE.
  */
 
-import { Kilometers, KilometersPerSecond, Radians, Vector3D } from '../main';
-import { Earth } from '../body/Earth';
-import { ClassicalElements } from './ClassicalElements';
-import { ITRF } from './ITRF';
-import { StateVector } from './StateVector';
-import { TEME } from './TEME';
+import { Kilometers, KilometersPerSecond, Radians, Vector3D } from '../main.js';
+import { Earth } from '../body/Earth.js';
+import { ClassicalElements } from './ClassicalElements.js';
+import { ITRF } from './ITRF.js';
+import { StateVector } from './StateVector.js';
+import { TEME } from './TEME.js';
 
 /**
  * Represents a position and velocity in the J2000 coordinate system. This is an Earth-centered inertial (ECI)

src/coordinate/RIC.ts

@@ -21,9 +21,9 @@
  * SOFTWARE.
  */
 
-import { Matrix } from '../operations/Matrix';
-import { J2000 } from './J2000';
-import { RelativeState } from './RelativeState';
+import { Matrix } from '../operations/Matrix.js';
+import { J2000 } from './J2000.js';
+import { RelativeState } from './RelativeState.js';
 
 /**
  * Represents a Radial-Intrack-Crosstrack (RIC) coordinates.

src/coordinate/RelativeState.ts

@@ -21,10 +21,10 @@
  * SOFTWARE.
  */
 
-import { Kilometers, KilometersPerSecond } from '../main';
-import { Matrix } from '../operations/Matrix';
-import { Vector3D } from '../operations/Vector3D';
-import { J2000 } from './J2000';
+import { Kilometers, KilometersPerSecond } from '../main.js';
+import { Matrix } from '../operations/Matrix.js';
+import { Vector3D } from '../operations/Vector3D.js';
+import { J2000 } from './J2000.js';
 
 /**
  * Represents the relative state of an object in 3D space.

src/coordinate/StateVector.ts

@@ -21,7 +21,7 @@
  * SOFTWARE.
  */
 
-import { ClassicalElements, TAU, Earth, Kilometers, KilometersPerSecond, Minutes, EpochUTC, Vector3D } from '../main';
+import { ClassicalElements, TAU, Earth, Kilometers, KilometersPerSecond, Minutes, EpochUTC, Vector3D } from '../main.js';
 
 /**
  * A state vector is a set of coordinates used to specify the position and

src/coordinate/TEME.ts

@@ -21,11 +21,11 @@
  * SOFTWARE.
  */
 
-import { Kilometers, KilometersPerSecond, Radians, Vector3D } from '../main';
-import { Earth } from '../body/Earth';
-import type { ClassicalElements } from './ClassicalElements';
-import { J2000 } from './J2000';
-import { StateVector } from './StateVector';
+import { Kilometers, KilometersPerSecond, Radians, Vector3D } from '../main.js';
+import { Earth } from '../body/Earth.js';
+import type { ClassicalElements } from './ClassicalElements.js';
+import { J2000 } from './J2000.js';
+import { StateVector } from './StateVector.js';
 
 /**
  * True Equator Mean Equinox (TEME) is a coordinate system commonly used in satellite tracking and orbit prediction. It

src/coordinate/Tle.ts

@@ -21,11 +21,11 @@
  * SOFTWARE.
  */
 
-import { ClassicalElements, FormatTle, TEME } from '.';
-import { Sgp4OpsMode } from '../enums/Sgp4OpsMode';
-import { Sgp4, Vector3D } from '../main';
-import { Sgp4GravConstants } from '../sgp4/sgp4';
-import { EpochUTC } from '../time/EpochUTC';
+import { ClassicalElements, FormatTle, TEME } from './index.js';
+import { Sgp4OpsMode } from '../enums/Sgp4OpsMode.js';
+import { Sgp4, Vector3D } from '../main.js';
+import { Sgp4GravConstants } from '../sgp4/sgp4.js';
+import { EpochUTC } from '../time/EpochUTC.js';
 import {
   Degrees,
   EciVec3,
@@ -41,10 +41,10 @@ import {
   TleDataFull,
   TleLine1,
   TleLine2,
-} from '../types/types';
-import { DEG2RAD, earthGravityParam, RAD2DEG, secondsPerDay, TAU } from '../utils/constants';
-import { newtonNu, toPrecision } from '../utils/functions';
-import { TleFormatData } from './tle-format-data';
+} from '../types/types.js';
+import { DEG2RAD, earthGravityParam, RAD2DEG, secondsPerDay, TAU } from '../utils/constants.js';
+import { newtonNu, toPrecision } from '../utils/functions.js';
+import { TleFormatData } from './tle-format-data.js';
 
 /**
  * Tle is a static class with a collection of methods for working with TLEs.

src/coordinate/index.ts

@@ -21,15 +21,15 @@
  * SOFTWARE.
  */
 
-export * from './ClassicalElements';
-export * from './EquinoctialElements';
-export * from './FormatTle';
-export * from './Geodetic';
-export * from './ITRF';
-export * from './J2000';
-export * from '../enums/OrbitRegime';
-export * from './RelativeState';
-export * from './RIC';
-export * from './StateVector';
-export * from './TEME';
-export * from './Tle';
+export * from './ClassicalElements.js';
+export * from './EquinoctialElements.js';
+export * from './FormatTle.js';
+export * from './Geodetic.js';
+export * from './ITRF.js';
+export * from './J2000.js';
+export * from '../enums/OrbitRegime.js';
+export * from './RelativeState.js';
+export * from './RIC.js';
+export * from './StateVector.js';
+export * from './TEME.js';
+export * from './Tle.js';