@luma.gl/gltools/dist/es5/utils/utils.js

WebGL2 API Polyfills for WebGL1 WebGLRenderingContext

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.deepArrayEqual = deepArrayEqual;
exports.isObjectEmpty = isObjectEmpty;

function isObjectEmpty(object) {
  for (var key in object) {
    return false;
  }

  return true;
}

function deepArrayEqual(x, y) {
  if (x === y) {
    return true;
  }

  var isArrayX = Array.isArray(x) || ArrayBuffer.isView(x);
  var isArrayY = Array.isArray(y) || ArrayBuffer.isView(y);

  if (isArrayX && isArrayY && x.length === y.length) {
    for (var i = 0; i < x.length; ++i) {
      if (x[i] !== y[i]) {
        return false;
      }
    }

    return true;
  }

  return false;
}
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