@js-basics/vector/dist/array.js

A 3D Vector lib including arithmetic operator overloading (+ - * / % **).

import { cachedValueOf } from './operator.js';
import { isArray } from './utils/math.js';

export class VectorArray extends Array {
  constructor(...vals) {
    if (!vals.length) {
      throw new Error('no empty array allowd');
    }
    const first = vals[0];
    const src = isArray(first) ? first : vals;

    super(src.length);
    for (let i = 0; i < src.length; i += 1) {
      this[i] = src[i];
    }
  }
}

cachedValueOf(VectorArray, src => src);

export function vectorArray(...vals) {
  return new VectorArray(...vals);
}