@tidyjs/tidy/dist/lib/summary/first.js

Tidy up your data with JavaScript, inspired by dplyr and the tidyverse

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function first(key) {
  const keyFn = typeof key === "function" ? key : (d) => d[key];
  return (items) => items.length ? keyFn(items[0]) : void 0;
}

exports.first = first;
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