trim.js 367 B

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  1. var isPrototypeOf = require('../../internals/object-is-prototype-of');
  2. var method = require('../string/virtual/trim');
  3. var StringPrototype = String.prototype;
  4. module.exports = function (it) {
  5. var own = it.trim;
  6. return typeof it == 'string' || it === StringPrototype
  7. || (isPrototypeOf(StringPrototype, it) && own === StringPrototype.trim) ? method : own;
  8. };