Function parseRadiiArgument

packages/melonjs/src/polyfill/roundrect.ts:254–296

@ignore

(
		value: any,
	)

	/** @ignore */
	function parseRadiiArgument(
		value: any,
	):
		| [number, number, number, number]
		| [number, number, number]
		| [number, number]
		| [number]
		| unknown[] {
		// https://webidl.spec.whatwg.org/#es-union
		// with 'optional (unrestricted double or DOMPointInit
		//   or sequence<(unrestricted double or DOMPointInit)>) radii = 0'
		const type = typeof value;

		if (type === "undefined" || value === null) {
			return [0];
		}
		if (type === "function") {
			return [NaN];
		}
		if (type === "object") {
			if (typeof value[Symbol.iterator] === "function") {
				return [...value].map((elem) => {
					// https://webidl.spec.whatwg.org/#es-union
					// with '(unrestricted double or DOMPointInit)'
					const elemType = typeof elem;
					if (elemType === "undefined" || elem === null) {
						return 0;
					}
					if (elemType === "function") {
						return NaN;
					}
					if (elemType === "object") {
						return toDOMPointInit(elem);
					}
					return toUnrestrictedNumber(elem);
				});
			}

			return [toDOMPointInit(value)];
		}

		return [toUnrestrictedNumber(value)];
	}

	/** @ignore */
	function toUnrestrictedNumber(value: any) {