function createManifestVersionValidateFn()

in src/schema/validator.js [526:568]
27 lines of code
6 McCabe index (conditional complexity)

    function createManifestVersionValidateFn(keyword, condFn) {
      // function of type SchemaValidateFunction (see ajv typescript signatures).
      return function validate(
        keywordSchemaValue,
        propValue,
        schema,
        { rootData /* instancePath, parentData, parentDataProperty, */ }
      ) {
        const manifestVersion =
          (rootData && rootData.manifest_version) || MANIFEST_VERSION_DEFAULT;
        const res = condFn(keywordSchemaValue, manifestVersion);

        // If the min/max_manifest_version is set on a schema entry of type array,
        // propagate the same keyword to the `items` schema, which is needed to
        // - be able to recognize that those schema entries are also only allowed on
        //   certain manifest versions (which becomes part of the linting messages)
        // - be able to filter out the validation errors related to future (not yet
        //   supported) manifest versions if they are related to those schema entries
        //   (which happens based on the current or parent schema in the `filterErrors`
        //   helper method).
        if (schema.type === 'array') {
          // TODO(#3774): move this at "import JSONSchema data" time, and remove it from here.
          // eslint-disable-next-line no-param-reassign
          schema.items[keyword] = schema[keyword];
        }

        if (!res) {
          // If the addon manifest is out of an enum values min/max manifest version range,
          // don't report an additional validation error for the min/max_manifest_version
          // keyword validation function.
          if (schema.enum) {
            return true;
          }
          validate.errors = [
            {
              keyword,
              params: { [keyword]: keywordSchemaValue },
            },
          ];
        }
        return res;
      };
    }