proxyequal/dist/es2015/utils.js

A proxy based usage tracking and comparison

import { getProxyKey, proxyfy } from "./proxyEqual";
export var proxyObjectRest = function proxyObjectRest(state, excludingKeys) {
  var _getProxyKey = getProxyKey(state),
      suffix = _getProxyKey.suffix,
      fingerPrint = _getProxyKey.fingerPrint,
      report = _getProxyKey.report,
      ProxyMap = _getProxyKey.ProxyMap,
      control = _getProxyKey.control;

  var results = [];
  var excludeMap = {};
  excludingKeys.forEach(function (k) {
    results.push(state[k]);
    excludeMap[k] = true;
  });
  control.seal();
  var rest = {};
  Object.keys(state).forEach(function (k) {
    if (!excludeMap[k]) {
      rest[k] = state[k];
    }
  });
  control.unseal();
  return [].concat(results, [proxyfy(rest, report, suffix, fingerPrint, ProxyMap, control)]);
};
export var proxyArrayRest = function proxyArrayRest(state, fromIndex) {
  var _getProxyKey2 = getProxyKey(state),
      suffix = _getProxyKey2.suffix,
      fingerPrint = _getProxyKey2.fingerPrint,
      report = _getProxyKey2.report,
      ProxyMap = _getProxyKey2.ProxyMap,
      control = _getProxyKey2.control;

  var results = [];
  var rest = [];
  var l = state.length;
  var i;

  for (i = 0; i < l && i < fromIndex; ++i) {
    results.push(state[i]);
  }

  control.seal();

  for (; i < l; ++i) {
    rest.push(state[i]);
  }

  control.unseal();

  var prefixedReport = function prefixedReport(prefix, key) {
    if (key === String(+key)) {
      report(prefix, +key + fromIndex);
    } else {
      report(prefix, key);
    }
  };

  return [].concat(results, [proxyfy(rest, prefixedReport, suffix, fingerPrint, ProxyMap, control)]);
};