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x/jotai/benchmarks/simple-read.ts

👻 Primitive and flexible state management for React
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#!/usr/bin/env npx ts-node
import { add, complete, cycle, save, suite } from 'benny'import { atom } from '../src/core/atom'import type { PrimitiveAtom } from '../src/core/atom'import { READ_ATOM, createStore } from '../src/core/store'
const createStateWithAtoms = (n: number) => { let targetAtom: PrimitiveAtom<number> | undefined const initialValues = new Map() for (let i = 0; i < n; ++i) { const a = atom(i) if (!targetAtom) { targetAtom = a } initialValues.set(a, i) } const store = createStore(initialValues) if (!targetAtom) { throw new Error() } return [store, targetAtom] as const}
const main = async () => { for (const n of [2, 3, 4, 5, 6]) { await suite( `simple-read-${n}`, add(`atoms=${10 ** n}`, () => { const [store, targetAtom] = createStateWithAtoms(10 ** n) return () => store[READ_ATOM](targetAtom) }), cycle(), complete(), save({ folder: __dirname, file: `simple-read-${n}`, format: 'json', }), save({ folder: __dirname, file: `simple-read-${n}`, format: 'chart.html', }) ) }}
main()