Function isSupportedCaseStyle

src/utils/caseTransform.ts:46–48

(style?: string)

/** Returns true when `style` resolves to a known case style; false (with a
 *  non-empty input) means the author typo'd it and it will be ignored. */
export function isSupportedCaseStyle(style?: string): boolean {
	return normalizeStyle(style) !== null;
}

function upperFirstLowerRest(word: string): string {
	if (!word) return word;