Extracts the base URL and optional dataset name from a Dashboard URL.
Examples
parse_dashboard_url("https://habon-ifcb.whoi.edu/")
#> $base_url
#> [1] "https://habon-ifcb.whoi.edu"
#>
#> $dataset_name
#> NULL
#>
parse_dashboard_url("https://habon-ifcb.whoi.edu/timeline?dataset=tangosund")
#> $base_url
#> [1] "https://habon-ifcb.whoi.edu"
#>
#> $dataset_name
#> [1] "tangosund"
#>