dmonagle

Ember.EditController = Ember.Mixin.create(
  saveError: false
  saveInvalid: false
  isEditing: false

# Set associations to be associations of the content. These will then be checked for validity on save
# and all of the flags, such as isDirty and isLoaded, will take these associations into consideration.
#
# Eg: A user may have an address model which is edited within the same transaction.
#     In this case you would put:

dmonagle

extension String {
    public func splitLastWhitespace(after offset: Int) -> [Substring] {
        guard let lastWS = self.prefix(offset).lastIndex(where: \.isWhitespace) else {
            return [self[self.startIndex...]]
        }
        let first = self[self.startIndex..<lastWS]
        let nextIndex = self.index(after: lastWS)
        guard nextIndex != self.endIndex else { return [first] }
        return [first, self[nextIndex...]]
    }