Run results for: Namespacing id 3

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36

Browser: Chrome 97

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Group by split (unknown namespaces)	342.9 Ops/sec
Known namespaces	1251.5 Ops/sec
Convert all from ids to entities (map)	1860.0 Ops/sec
Convert all from entities to entitiesArray (object keys)	398.0 Ops/sec
Take all and filter by namespace	1567.3 Ops/sec

Script Preparation code:

let id = 0;
namespaces = [undefined, 'dee11d4e-63c6-4d90-983c-5c9f1e79e96c', '3b241101-e2bb-4255-8caf-4136c566a962'];

const elementsPage = new Array(1000).fill({}).map((value, index) => index);
const navBar = new Array(1000).fill({}).map((value, index) => `${namespaces[1]}.${index}`);
const somethingElse = new Array(1000).fill({}).map((value, index) => `${namespaces[2]}.${index}`);

ids = [
  ...elementsPage,
  ...somethingElse,
  ...navBar
];

entities = {
  ...elementsPage.reduce((acc, val) => ({...acc, [val]: {}}), {}),
  ...navBar.reduce((acc, val) => ({...acc, [val]: {ns: val}}), {}),
  ...somethingElse.reduce((acc, val) => ({...acc, [val]: {ns: val}}), {}),
};

Tests:

Group by split (unknown namespaces)
const idsByNamespace = {}; for (let i = 0; i < ids.length; i++) { const idParts = (ids[i].split && ids[i].split('.')) || [ids[i]]; // if (!idParts[1]) { // if (!idsByNamespace['']) { // idsByNamespace[''] = [entities[i]]; //} else { // idsByNamespace[''].push(entities[i]); //} //else { if (!idsByNamespace[idParts[0]]) { idsByNamespace[idParts[0]] = [entities[i]]; } else { idsByNamespace[idParts[0]].push(entities[i]); } //} }
Known namespaces
const idsByNamespace = {}; namespaces.forEach(ns => { // TODO: with number idsByNamespace[ns] = ids.filter(id => (ns === undefined && Number.isInteger(id)) || (id.startsWith && id.startsWith(`${ns}.`))).map(id => entities[id]) });
Convert all from ids to entities (map)
const idsIntoEntityArray = ids.map(id => entities[id]);
Convert all from entities to entitiesArray (object keys)
namespaces.reduce((acc, ns) => { return {...acc, [ns]: Object.entries(entities).filter(([key, value]) => value.ns === ns) } }, {});
Take all and filter by namespace
const eArray = ids.map(id => entities[id]); namespaces.reduce((acc, ns) => { return {...acc, [ns]: eArray.filter(e => e.ns === ns) } }, {});

Run results for: Namespacing id 3

Group by split (unknown namespaces)

Known namespaces

Convert all from ids to entities (map)

Convert all from entities to entitiesArray (object keys)

Take all and filter by namespace