get.js 581 B

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  1. 'use strict';
  2. var isArguments = require('es5-ext/function/is-arguments')
  3. , isString = require('es5-ext/string/is-string')
  4. , ArrayIterator = require('./array')
  5. , StringIterator = require('./string')
  6. , iterable = require('./valid-iterable')
  7. , iteratorSymbol = require('es6-symbol').iterator;
  8. module.exports = function (obj) {
  9. if (typeof iterable(obj)[iteratorSymbol] === 'function') return obj[iteratorSymbol]();
  10. if (isArguments(obj)) return new ArrayIterator(obj);
  11. if (isString(obj)) return new StringIterator(obj);
  12. return new ArrayIterator(obj);
  13. };