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http: improve error message with null header #46048
Description
Activity
I can raise the PR for this issue if you agree 🙂
- changed the title
[-]Improve error message with null header[/-][+]http: improve error message with null header[/+]on May 19, 2022 Oh please, a big yes to this! This was a bug I came across like 6 months ago and it was a really pain in the neck to debug (value was null for some users not all).
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on Jul 17, 2022
Which @angular/* package(s) are relevant/related to the feature request?
No response
Description
When a header value of an HTTP call is
nullwe throw aTypeError:Cannot read properties of null (reading 'length').That's accurate and could be more useful if we also specify the header with
nullvalue.You can find a reproduction on StackBlitz.
Based on a discussion on Twitter here.
Proposed solution
Throw an error
Cannot read the "length" property of the header "bar" because it has value nullAlternatives considered
Stricter typings of the
headersso that we can show a type error.