nl_tokens: Returns a the domain for a given axis if domain is given in props
pl_tokens: function getDomainFromProps ( props , axis ) { const minDomain = getMinFromProps ( props , axis ) ; const maxDomain = getMaxFromProps ( props , axis ) ; if ( isPlainObject ( props . <mask> ) && props . domain [ axis ] ) { return props . domain [ axis ] ; } else if ( Array . isArray ( props . domain ) ) { return props . domain ; } else if ( minDomain !== undefined && maxDomain !== undefined ) { return getDomainFromMinMax ( minDomain , maxDomain ) ; } return undefined ; }