store-params

store-params is lightweight, vanilla javascript library for storing URL params in cookies, localStorage or sessionStorage

Getting Started

npm install store-params --save or download and insert store-params.min.js

<script src="store-params.min.js"></script>
<script>
  var storage = new StoreParams();
</script>

<script>
  // Also can pass in optional settings block
  var storage = new StoreParams({
    storage: 'cookies',
    cookieDuration: 14,
    cookieDomain: 'www.example.com',
    storeUTMs: true,
    storeReferrer: true,
    include: [
      {
        param: 'a',
        storage: 'varA'
      },
      {
        param: 'b',
        storage: 'varB'
      }
    ],
    exclude: [
      'utm_source'
    ]
  });
</script>

Use Cases

Capturing UTM params

By default library will store all UTM params (utm_medium, utm_campaign, utm_term, utm_content). This can be disabled by setting storeUTMs option to false.

Capturing Referrer URL

Also by default library will store referrer URL as referrer. It can be disabled by setting storeReferrer option to false

Capturing custom URL params

You can store any URL param with this library. Just add list of URL to include option.

<script>
  // Storing a, b and c params
  var storage = new StoreParams({
    include: [
      {
        param: 'a'
      },
      {
        param: 'b'
      },
      {
        param: 'c'
      }
    ]
  });
</script>

Configuration options

storage Type of storage

default: 'cookies'
options: 'cookies', 'localStorage', 'sessionStorage'

cookieDuration Cookie duration in days for cookie storage

default: 14
options: integer

cookieDomain Cookie domain for cookie storage

default: location.hostname without www.
options: string

storeUTMs Store UTM params

default: true
options: boolean (true / false)

storeReferrer Store referrer URL

default: true
options: boolean (true / false)

include List of custom URL params to be stored.

default: ''
options: array of objects with param and storage (optional) keys. 

Example:
[
  {
    param: 'a',
    storage: 'varA'
  }
]

exclude Excluded URL params

default: ''
options: array of URL params. 

Example:
['utm_source', 'utm_medium']