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https://github.com/home-assistant/frontend.git
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Petar Petrov
133a9171bc
* Add deterministic fixtures and characterization tests for chart data processing * Extract statistics chart data processing into a pure function * Extract state history line chart data processing into a pure function * Add benchmark suite for chart data processing * Add chart data optimization playbook * Point agent instructions at the chart optimization playbook
19 lines
574 B
TypeScript
19 lines
574 B
TypeScript
/**
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* Deterministic seeded PRNG (mulberry32) for reproducible fixtures.
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* The same seed always yields the same sequence, so characterization
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* tests and benchmarks operate on identical data across runs.
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*/
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/* eslint-disable no-bitwise */
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export type SeededRandom = () => number;
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export const createSeededRandom = (seed: number): SeededRandom => {
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let a = seed >>> 0;
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return () => {
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a += 0x6d2b79f5;
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let t = a;
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t = Math.imul(t ^ (t >>> 15), t | 1);
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t ^= t + Math.imul(t ^ (t >>> 7), t | 61);
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return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
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};
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};
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