is-uniq.js 261 B

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  1. 'use strict';
  2. var indexOf = require('./e-index-of')
  3. , every = Array.prototype.every
  4. , isFirst;
  5. isFirst = function (value, index) {
  6. return indexOf.call(this, value) === index;
  7. };
  8. module.exports = function () { return every.call(this, isFirst, this); };