chain-able/dist/deps/dot/has.js

interfaces that describe their intentions.

var isObj = require('../is/obj')
var getPathSegments = require('./segments')
var isDottable = require('./dottable')

module.exports = function dotHas(obj, path) {
  if (!isDottable(obj, path)) {
    return false
  }

  var pathArr = getPathSegments(path)

  for (var i = 0; i < pathArr.length; i++) {
    if (isObj(obj)) {
      if (!(pathArr[i] in obj)) {
        return false
      }

      obj = obj[pathArr[i]]
    }
    else {
      return false
    }
  }

  return true
}

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