Run results for: safeGet comparison (for improvement PR)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
old safeGet	3012179.5 Ops/sec
dlv (array notation)	5780951.5 Ops/sec
safeGet NOT using variables as params	3449842.2 Ops/sec
safeGe using variables as params (this PR code)	5892318.0 Ops/sec

Script Preparation code:

var state = {
  wrapped1: {
    wrapped2: {
      location: {
    	search: '',
    	id: 12
      }
    }
  },
  data: {}
};

var safeGet = function(nestedObj, paths, defaultVal) {
  if (!paths || paths.length === 0) return defaultVal
  const result = paths.slice(0).reduce((obj, path, i, arr) => {
    if (!obj) {
      arr.splice(i) // break out of the loop
      return undefined
    }
    return obj[path]
  }, nestedObj)

  if (result === undefined || result === null) {
    return defaultVal
  }

  return result
}
var safeGet2 = function(nestedObj, paths, defaultVal) {
  if (!paths || paths.length === 0) return defaultVal
  for (let p = 0; p < paths.length; p++) {
    nestedObj = nestedObj ? nestedObj[paths[p]] : undefined
  }
  return nestedObj === undefined || nestedObj === null ? defaultVal : nestedObj
}
var safeGet3 = function(nestedObj, paths, defaultVal, p, undef) {
  if (!paths || paths.length === 0) return defaultVal
  for (p = 0; p < paths.length; p++) {
    nestedObj = nestedObj ? nestedObj[paths[p]] : undef
  }
  return nestedObj === undef || nestedObj === null ? defaultVal : nestedObj
}

var dlv = function(obj, key, def, p, undef) {
	key = key.split ? key.split('.') : key;
	for (p = 0; p < key.length; p++) {
		obj = obj ? obj[key[p]] : undef;
	}
	return obj === undef ? def : obj;
}

Tests:

old safeGet
var l = safeGet(state, ['wrapped1','wrapped2','location','search']);
dlv (array notation)
dlv(state, ['wrapped1','wrapped2','location','search']);
safeGet NOT using variables as params
safeGet2(state, ['wrapped1','wrapped2','location','search']);
safeGe using variables as params (this PR code)
safeGet3(state, ['wrapped1','wrapped2','location','search']);

Run results for: safeGet comparison (for improvement PR)

old safeGet

dlv (array notation)

safeGet NOT using variables as params

safeGe using variables as params (this PR code)