@antv/g2/src/utils/number.ts

the Grammar of Graphics in Javascript

/**
 * Clamp number within the inclusive range within the lower and upper bounds.
 */
export function clamp(v: number, lower: number, upper: number): number {
  return Math.max(lower, Math.min(v, upper));
}

/**
 * Precision conversion
 */
export function prettyNumber(n: number, precision = 10) {
  if (typeof n !== 'number') return n;
  return Math.abs(n) < 1e-15 ? n : parseFloat(n.toFixed(precision));
}