@polygonjs/polygonjs/dist/src/core/ArrayCopyUtils.js

node-based WebGL 3D engine https://polygonjs.com

"use strict";
export function updateCopyableArrayLength(targetArray, targetArrayLength, createItem) {
  if (targetArray.length < targetArrayLength) {
    for (let i = targetArray.length; i < targetArrayLength; i++) {
      if (targetArray[i] == null) {
        targetArray[i] = createItem();
      }
    }
  }
  targetArray.length = targetArrayLength;
}
export function updatePrimitiveArrayLength(targetArray, targetArrayLength, defaultValue) {
  if (targetArray.length < targetArrayLength) {
    for (let i = targetArray.length; i < targetArrayLength; i++) {
      if (targetArray[i] == null) {
        targetArray[i] = defaultValue;
      }
    }
  }
  targetArray.length = targetArrayLength;
}