JetBrains Rider 2021.3 Help

Code Inspections in YAML

This topic lists all JetBrains Rider code inspections available in YAML.

You can toggle specific inspections or change their severity level on the Editor | Inspection Settings | Inspection Severity | Other Languages page of the IDE settings Ctrl+Alt+S.



Default Severity

Deprecated YAML key

Reports deprecated keys in YAML files.

Deprecation is checked only if there exists a JSON schema associated with the corresponding YAML file.

Note that the deprecation mechanism is not defined in the JSON Schema specification yet, and this inspection uses a non-standard deprecationMessage extension.

Scheme deprecation example:

{ "properties": { "SomeDeprecatedProperty": { "deprecationMessage": "Baz", "description": "Foo bar" } } }

The following is an example with the corresponding warning:
SomeDeprecatedProperty: some value

Weak Warning Weak warning

Duplicated YAML keys

Reports duplicated keys in YAML files.


same_key: some value same_key: another value

Error Error

Recursive alias

Reports recursion in YAML aliases.

Alias can't be recursive and be used inside the data referenced by a corresponding anchor.


some_key: &some_anchor sub_key1: value1 sub_key2: *some_anchor

Error Error

Unresolved alias

Reports unresolved aliases in YAML files.


some_key: *unknown_alias

Error Error

Unused anchor

Reports unused anchors.


some_key: &some_anchor key1: value1

Warning Warning

Validation by JSON Schema

Reports inconsistencies between a YAML file and a JSON Schema if the schema is specified.

Scheme example:

{ "properties": { "SomeNumberProperty": { "type": "number" } } }

The following is an example with the corresponding warning:
SomeNumberProperty: hello world

Warning Warning

Last modified: 16 July 2021