export function mapDistinct()

in src/shared/index.ts [54:68]

• 15 lines of code
• 6 McCabe index (conditional complexity)

export function mapDistinct(pairs: [string, string][]): Map<string, string> {
    const distinct = new Map<string, string | undefined>();
    for (const [key, value] of pairs) {
        if (distinct.has(key)) {
            const otherValue = distinct.get(key);
            if (value !== otherValue) distinct.set(key, undefined);
        } else {
            distinct.set(key, value);
        }
    }
    for (const [key, value] of distinct) {
        if (!value) distinct.delete(key);
    }
    return distinct as Map<string, string>;
}