Date Picker === Select a range of dates or single dates ## Usage ```jsx ``` ### Props Required props are marked with `*`. Name | Type | Default | Description --- | --- | --- | --- `query`* | `object` | none | The query string represented in object form `path`* | `string` | none | `path` parameter supplied by React-Router ## URL as the source of truth The Date Picker reads parameters from the URL querystring and updates them by creating a link to reflect newly selected parameters, which is rendered as the "Update" button. URL Parameter | Default | Possible Values --- | --- | --- `period` | `today` | `today`, `yesterday`, `week`, `last_week`, `month`, `last_month`, `quarter`, `last_quarter`, `year`, `last_year`, `custom` `compare` | `previous_period` | `previous_period`, `previous_year` `start` | none | start date for custom periods `2018-04-15`. [ISO 8601 format](https://en.wikipedia.org/wiki/ISO_8601) `end` | none | end date for custom periods `2018-04-15`. [ISO 8601 format](https://en.wikipedia.org/wiki/ISO_8601)