everyutil/number/normalizeAngle.js

A comprehensive library of lightweight, reusable utility functions for JavaScript and TypeScript, designed to streamline common programming tasks such as string manipulation, array processing, date handling, and more.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.normalizeAngle = void 0;
/**
 * Normalizes an angle to [0, 360) or [-π, π).
 * @author @dailker
 * @param {number} angle - The angle to normalize.
 * @param {'deg'|'rad'} [unit='deg'] - Unit: 'deg' or 'rad'.
 * @returns {number} Normalized angle.
 */
function normalizeAngle(angle, unit = 'deg') {
    if (unit === 'deg') {
        return ((angle % 360) + 360) % 360;
    }
    else {
        const pi = Math.PI;
        return ((angle + pi) % (2 * pi) + 2 * pi) % (2 * pi) - pi;
    }
}
exports.normalizeAngle = normalizeAngle;