Function parseSizeValue

packages/pi-tui/src/tui.ts:159–168

Parse a SizeValue into absolute value given a reference size

(value: SizeValue | undefined, referenceSize: number)

/** Parse a SizeValue into absolute value given a reference size */
function parseSizeValue(value: SizeValue | undefined, referenceSize: number): number | undefined {
	if (value === undefined) return undefined;
	if (typeof value === "number") return value;
	// Parse percentage string like "50%"
	const match = value.match(/^(\d+(?:\.\d+)?)%$/);
	if (match) {
		return Math.floor((referenceSize * parseFloat(match[1]!)) / 100);
	}
	return undefined;
}

function isTermuxSession(): boolean {
	return Boolean(process.env['TERMUX_VERSION']);