[typescript-fetch] Double ampersand in query string with empty nested object (!2679) · Merge requests · OpenAPI Tools / openapi-generator

Merged Administrator requested to merge github/fork/Dijky/patch-fix-doubleamp into master Apr 16, 2019

Created by: Dijky

@TiFu (2017/07) @taxpon (2017/07) @sebastianhaas (2017/07) @kenisteward (2017/07) @Vrolijkx (2017/09) @macjohnny (2018/01) @nicokoenig (2018/09) @topce (2018/10)

PR checklist

Read the contribution guidelines.
Ran the shell script under ./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\.
Filed the PR against the correct branch: master.
Copied the technical committee to review the pull request if your PR is targeting a particular programming language.

Description of the PR

My previous pull request #2234 that introduced support for nested objects in query strings contains a bug where an empty nested object will lead to two ampersands (&) in a row.

This patch adds a filter to remove empty parts before joining them with ampersands.