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path: root/node_modules/is-relative/index.js
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'use strict';

var isUncPath = require('is-unc-path');

module.exports = function isRelative(filepath) {
  if (typeof filepath !== 'string') {
    throw new TypeError('expected filepath to be a string');
  }

  // Windows UNC paths are always considered to be absolute.
  return !isUncPath(filepath) && !/^([a-z]:)?[\\\/]/i.test(filepath);
};