Commits on Dec 7, 2020

1. refactor(upgrade): remove unused parameters/properties/variables …

   This commit removes some unused parameters, properties and variables in
   various `@angular/upgrade` functions.

   

   gkalpak committed Dec 7, 2020
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2. fix(upgrade): avoid memory leak when removing downgraded components …

   Previously, due to the way the AngularJS and Angular clean-up processes
   interfere with each other when removing an AngularJS element that
   contains a downgraded Angular component, the data associated with the
   host element of the downgraded component was not removed. This data was
   kept in an internal AngularJS cache, which prevented the element and
   component instance from being garbage-collected, leading to memory
   leaks.
   
   This commit fixes this by ensuring the element data is explicitly
   removed when cleaning up a downgraded component.
   
   NOTE:
   This is essentially the equivalent of angular#26209 but for downgraded (instead
   of upgraded) components.
   
   Fixes angular#39911
   Closes angular#39921

   

   gkalpak committed Dec 7, 2020
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3. fixup! fix(upgrade): avoid memory leak when removing downgraded compo… …

   …nents

   

   gkalpak committed Dec 7, 2020
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4. fixup! fix(upgrade): avoid memory leak when removing downgraded compo… …

   …nents

   

   gkalpak committed Dec 7, 2020
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