It sucks that the docs will remain outdated, but if you're targeting a specific version like v0.8.0-rc7 you can get mostly up to date information from that revision's PRIMER. md, e.g.: https://github.com/Polymer/polymer/blob/v0.8.0-rc.7/PRIMER.md
Which in this case has the correct syntax for observers. Michael On May 14, 2015 7:48 AM, "'Arthur Evans' via Polymer" < [email protected]> wrote: > Hi, > > Yes, the format changed between 0.8-rc.2 and 0.9. Observers now look more > like computed properties: > > observers: [ > 'userManagerChanged(user.manager.*)' > ] > > Note that `observers` is now an array, not an object. > > Updated doc is imminent, as soon as we have an official 0.9 release. > > Thanks, > Arthur > > > On Thu, May 14, 2015 at 6:18 AM, <[email protected]> wrote: > >> Very happy to see the rapid progress being made toward 1.0. You guys are >> awesome. >> >> In the Observing changes to sub-properties section >> <https://www.polymer-project.org/0.8/docs/devguide/properties.html#observing-path-changes> >> of the 0.8 dev guide, the following example is given of how to define an >> observer of a sub-property: >> >> observers: { >> 'user.manager.*': 'userManagerChanged' >> } >> >> However, with v0.9.1, when I define an observer this way I get the error >> "TypeError: observers.forEach is not a function" in >> Polymer.Base._addFeature._addComplexObserverEffects (effects.html:120). >> From what I can tell, the following seems to be the correct syntax: >> >> observers: [ >> 'userManagerChanged(user.manager.*)' >> ], >> >> Is this the correct syntax, or is there a bug in the current >> implementation? >> >> Thanks very much! >> >> Follow Polymer on Google+: plus.google.com/107187849809354688692 >> --- >> You received this message because you are subscribed to the Google Groups >> "Polymer" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/polymer-dev/27a5d297-a0aa-43b7-a5f0-d6af0c5dd2c0%40googlegroups.com >> <https://groups.google.com/d/msgid/polymer-dev/27a5d297-a0aa-43b7-a5f0-d6af0c5dd2c0%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > Follow Polymer on Google+: plus.google.com/107187849809354688692 > --- > You received this message because you are subscribed to the Google Groups > "Polymer" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/polymer-dev/CADSbU_yH%3DAr0-rHwpLBAZEFYhkKs8OczuETxrs7KPgyvK1dp4Q%40mail.gmail.com > <https://groups.google.com/d/msgid/polymer-dev/CADSbU_yH%3DAr0-rHwpLBAZEFYhkKs8OczuETxrs7KPgyvK1dp4Q%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > Follow Polymer on Google+: plus.google.com/107187849809354688692 --- You received this message because you are subscribed to the Google Groups "Polymer" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/polymer-dev/CACi5S_3VcpYvp0mCLr6iVdw23UcoTZOc3ZrfM%2BZ2%3DGB8VA9KKQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
