packages/benchmarks/src/app/Benchmark/math.js - main - githubmirror/styled-components

packages/benchmarks/src/app/Benchmark/math.js

23 строки611 B

Evan Jacobs

feat: buffered client injection and lazy element shorthands (#5780)

31 июл 2026, 06:58

31 июл 2026, 06:585431a8b

export const getStdDev = values => {
  const avg = getMean(values);

  const squareDiffs = values.map(value => {
    const diff = value - avg;
    return diff * diff;
  });

  return Math.sqrt(getMean(squareDiffs));
};

export const getMean = values => {
  const sum = values.reduce((sum, value) => sum + value, 0);
  return sum / values.length;
};

export const getMedian = values => {
  if (values.length === 0) return 0;
  if (values.length === 1) return values[0];

  const numbers = values.slice().sort((a, b) => a - b);
  return (numbers[(numbers.length - 1) >> 1] + numbers[numbers.length >> 1]) / 2;
};