typedash/dist/count/index.cjs

modern, type-safe collection of utility functions

'use strict';

// src/functions/_internal/filterIterable/filterIterable.ts
function filter(source, predicate) {
  if (source == null) {
    return void 0;
  }
  const relevantItems = predicate == null ? [...source] : (
    // eslint-disable-next-line unicorn/no-array-callback-reference -- this is fine, we want to use the same predicate
    [...source].filter(predicate)
  );
  return relevantItems;
}

// src/functions/count/count.ts
function count(source, predicate) {
  const relevantItems = filter(source, predicate);
  return relevantItems?.length ?? 0;
}

exports.count = count;
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