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export function clamp({
value,
min,
max,
}: {
value: number;
min: number;
max: number;
}): number {
return Math.max(min, Math.min(max, value));
}
export function clampRound({
value,
min,
max,
}: {
value: number;
min: number;
max: number;
}): number {
return Math.round(clamp({ value, min, max }));
}
function getFractionDigitsForStep({ step }: { step: number }): number {
const normalizedStep = step.toString().toLowerCase();
if (normalizedStep.includes("e-")) {
return Number(normalizedStep.split("e-")[1] ?? 0);
}
const [, fractionalPart = ""] = normalizedStep.split(".");
return fractionalPart.length;
}
export function snapToStep({
value,
step,
}: {
value: number;
step: number;
}): number {
if (step <= 0) return value;
const snappedValue = Math.round(value / step) * step;
return Number(
snappedValue.toFixed(getFractionDigitsForStep({ step })),
);
}
export function isNearlyEqual({
leftValue,
rightValue,
epsilon = 0.0001,
}: {
leftValue: number;
rightValue: number;
epsilon?: number;
}): boolean {
return Math.abs(leftValue - rightValue) <= epsilon;
}
export function formatNumberForDisplay({
value,
maxFractionDigits = 6,
}: {
value: number;
maxFractionDigits?: number;
}): string {
return Number(value.toFixed(maxFractionDigits)).toString();
}
export function evaluateMathExpression({
input,
}: {
input: string;
}): number | null {
const sanitized = input.trim();
if (!/^[\d.\s+\-*/()]+$/.test(sanitized)) return null;
try {
const result = new Function(`return (${sanitized})`)();
if (typeof result !== "number" || !Number.isFinite(result)) return null;
return result;
} catch {
return null;
}
}
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