Remove debug from prod build

Reduces the bundled package by 33%! From 18kb to 12kb.

package.json

@@ -56,10 +56,6 @@
     "point-line-distance": "^1.0.0"
   },
   "devDependencies": {
-    "@babel/cli": "^7.18.10",
-    "@babel/core": "^7.18.13",
-    "@babel/preset-env": "^7.18.10",
-    "@babel/preset-typescript": "^7.24.7",
     "@jest/globals": "^29.7.0",
     "@types/debug": "^4.1.12",
     "@types/gl-vec3": "^1.1.4",

src/Face.ts

@@ -1,4 +1,12 @@
-import { dot, add, subtract, cross, copy, length, scale, scaleAndAdd, normalize } from 'gl-vec3'
+import dot from 'gl-vec3/dot'
+import add from 'gl-vec3/add'
+import copy from 'gl-vec3/copy'
+import subtract from 'gl-vec3/subtract'
+import cross from 'gl-vec3/cross'
+import length from 'gl-vec3/length'
+import scale from 'gl-vec3/scale'
+import scaleAndAdd from 'gl-vec3/scaleAndAdd'
+import normalize from 'gl-vec3/normalize'
 import { default as $debug } from 'debug'
 
 import { HalfEdge } from './HalfEdge'

src/HalfEdge.ts

@@ -1,4 +1,5 @@
-import { distance, squaredDistance } from 'gl-vec3'
+import distance from 'gl-vec3/distance'
+import squaredDistance from 'gl-vec3/squaredDistance'
 import { Face } from './Face'
 import { Vertex } from './Vertex'
 import { default as $debug } from 'debug'

src/QuickHull.ts

@@ -1,6 +1,6 @@
 import pointLineDistance from 'point-line-distance'
 import getPlaneNormal from 'get-plane-normal'
-import { dot } from 'gl-vec3'
+import dot from 'gl-vec3/dot'
 import { default as $debug } from 'debug'
 
 import { Point, Face as IFace } from './types'
@@ -18,7 +18,7 @@ enum MergeType {
   NonConvex
 }
 
-export interface QuickHullOptions {
+export class QuickHullOptions {
   skipTriangulation ?: boolean
 }
 

src/debug.ts

@@ -0,0 +1,7 @@
+// debug replaces the module debug in prod.
+export default function debug() {
+  function innerDebugger() { }
+  innerDebugger.enabled = false
+  return innerDebugger
+}
+

src/types/index.d.ts

@@ -2,18 +2,39 @@ declare module 'debug' {
   export default function debug(args: any): any
 }
 
-declare module 'gl-vec3' {
-  export function add(out: number[], a: number[], b: number[]): number[];
-  export function dot(a: number[], b: number[]): number;
-  export function normalize(out: number[], a: number[]): number[];
-  export function subtract(out: number[], a: number[], b: number[]): number[];
-  export function distance(a: number[], b: number[]): number;
-  export function squaredDistance(a: number[], b: number[]): number;
-  export function cross(out: number[], a: number[], b: number[]): number[];
-  export function copy(out: number[], a: number[]): number[];
-  export function length(a: number[]): number;
-  export function scale(out: number[], a: number[], b: number): number[];
-  export function scaleAndAdd(out: number[], a: number[], b: number[], scale: number): number[];
+declare module 'gl-vec3/add' {
+  export default function add(out: number[], a: number[], b: number[]): number[];
+}
+
+declare module 'gl-vec3/dot' {
+  export default function dot(a: number[], b: number[]): number;
+}
+declare module 'gl-vec3/normalize' {
+  export default function normalize(out: number[], a: number[]): number[];
+}
+declare module 'gl-vec3/subtract' {
+  export default function subtract(out: number[], a: number[], b: number[]): number[];
+}
+declare module 'gl-vec3/distance' {
+  export default function distance(a: number[], b: number[]): number;
+}
+declare module 'gl-vec3/squaredDistance' {
+  export default function squaredDistance(a: number[], b: number[]): number;
+}
+declare module 'gl-vec3/cross' {
+  export default function cross(out: number[], a: number[], b: number[]): number[];
+}
+declare module 'gl-vec3/copy' {
+  export default function copy(out: number[], a: number[]): number[];
+}
+declare module 'gl-vec3/length' {
+  export default function length(a: number[]): number;
+}
+declare module 'gl-vec3/scale' {
+  export default function scale(out: number[], a: number[], b: number): number[];
+}
+declare module 'gl-vec3/scaleAndAdd' {
+  export default function scaleAndAdd(out: number[], a: number[], b: number[], scale: number): number[];
 }
 
 declare module 'point-line-distance' {

test/index.test.ts

@@ -1,5 +1,3 @@
-/* eslint-env jest */
-
 import assert from 'assert'
 import { expect, describe, it } from '@jest/globals'
 import qh, { isPointInsideHull, QuickHull, Face, Point } from '../src/'

webpack.config.cjs

@@ -1,6 +1,15 @@
 const path = require('path')
+const webpack = require('webpack')
 const isProduction = process.env.NODE_ENV === 'production'
 
+const plugins = []
+if (isProduction) {
+    plugins.push(new webpack.NormalModuleReplacementPlugin(
+      /debug/,
+      './debug.ts'
+    ))
+}
+
 module.exports = {
   entry: './src/index.ts',
   mode: isProduction ? 'production' : 'development',
@@ -29,5 +38,6 @@ module.exports = {
   },
   stats: {
     errorDetails: true
-  }
+  },
+  plugins
 }