@tidyjs/tidy/dist/lib/selectors/negate.js

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

'use strict';

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

var singleOrArray = require('../helpers/singleOrArray.js');

function negate(selectors) {
  return (items) => {
    let keySet = new Set();
    for (const selector of singleOrArray.singleOrArray(selectors)) {
      if (typeof selector === "function") {
        const keys2 = selector(items);
        for (const key of keys2) {
          keySet.add(key);
        }
      } else {
        keySet.add(selector);
      }
    }
    const keys = Array.from(keySet).map((key) => `-${key}`);
    return keys;
  };
}

exports.negate = negate;
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