Skip checking the source for synthetic attributes to prevent warning. #1431
+29
−2
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This fixes a warning caused when template parsing encounters a synthetic attribute (i.e., inserted by a plugin). For example, building the
ember-maybe-in-element
addon outputs these warnings:and the same will happen for any app that uses the
ember-basic-dropdown
addon (which uses the above addon).These should fix the remaining causes of emberjs/ember.js#19392 that are not already fixed by #1430.
I tried to add a test that would be even vaguely useful and couldn't really come up with anything.