stylelint
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A mighty CSS linter that helps you avoid errors and enforce conventions.
20 lines (16 loc) • 433 B
JavaScript
/**
* Create a map with unique sets of values from a record.
*
* @template T
* @param {Record<string, T | T[]>} record
* @returns {Map<string, Set<T>>}
*/
export default function createMapWithSet(record) {
/** @type {Map<string, Set<T>>} */
const map = new Map();
for (const [key, value] of Object.entries(record)) {
const list = Array.isArray(value) ? value : [value];
map.set(key, new Set(list));
}
return map;
}