module Disposable::Twin::Sync::SkipUnchanged
This will skip unchanged properties in sync. To use this for all nested form do as follows.
class SongForm < Reform::Form feature Sync::SkipUnchanged
Public Class Methods
included(base)
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# File lib/disposable/twin/sync.rb, line 134 def self.included(base) base.send :include, Disposable::Twin::Changed end
Public Instance Methods
sync_options(options)
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Calls superclass method
# File lib/disposable/twin/sync.rb, line 138 def sync_options(options) # DISCUSS: we currently don't track if nested forms have changed (only their attributes). that's why i include them all here, which # is additional sync work/slightly wrong. solution: allow forms to form.changed? not sure how to do that with collections. scalars = schema.each(scalar: true).collect { |dfn| dfn[:name ]} unchanged = scalars - changed.keys # exclude unchanged scalars, nested forms and changed scalars still go in here! options.exclude!(unchanged) super end