check hasOwnProperty
when using for..in
#2132
Merged
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When using iterating over the properties of an object, we should be defensive and ensure we're only using the properties that belong directly to that object (not anything inherited from the prototype chain). If users have modified the base
Object
, then we'll modify those modifications in a way we shouldn't, causing issues.This seemed like something we could catch in lint, and it is! We just disabled the rule for some reason. So I re-enabled it and fixed the errors.
More info: https://eslint.org/docs/latest/rules/guard-for-in
Fixes #2114
Fixes RUN_DEVSDK-1209