[typescript][fetch] Fix null typing errors #3919
Merged
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PR checklist
./bin/
to update Petstore sample so that CIs can verify the change. (For instance, only need to run./bin/{LANG}-petstore.sh
,./bin/openapi3/{LANG}-petstore.sh
if updating the {LANG} (e.g. php, ruby, python, etc) code generator or {LANG} client's mustache templates). Windows batch files can be found in.\bin\windows\
. If contributing template-only or documentation-only changes which will change sample output, be sure to build the project first.master
,4.1.x
,5.0.x
. Default:master
.Description of the PR
The current
typescript-fetch
template generates some invalid Typescript where the typing for the function is eitherundefined
or the model. However, in the other generated code it can also benull
and the function itself is generating a null check.Additionally, for each nullable entity in the return statement, checking against
== null
will essentially check for bothundefined
andnull
since in JS,null == undefined
is true.Current
After PR
Additionally, the indentation of a generated comment is wrong, so that fix is included in here as well.
I don't currently have a Java dev environment setup on my computer but I've tested these template changes through the-t
flag and would appreciate any early feedback while I get Java set up to check that last box.@TiFu (2017/07) @taxpon (2017/07) @sebastianhaas (2017/07) @kenisteward (2017/07) @Vrolijkx (2017/09) @macjohnny (2018/01) @nicokoenig (2018/09) @topce (2018/10) @akehir (2019/07)