diff options
Diffstat (limited to 'vendor/github.com/vektah/gqlparser/validator/validator.go')
-rw-r--r-- | vendor/github.com/vektah/gqlparser/validator/validator.go | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/vendor/github.com/vektah/gqlparser/validator/validator.go b/vendor/github.com/vektah/gqlparser/validator/validator.go new file mode 100644 index 00000000..bbacec6f --- /dev/null +++ b/vendor/github.com/vektah/gqlparser/validator/validator.go @@ -0,0 +1,44 @@ +package validator + +import ( + . "github.com/vektah/gqlparser/ast" + "github.com/vektah/gqlparser/gqlerror" +) + +type AddErrFunc func(options ...ErrorOption) + +type ruleFunc func(observers *Events, addError AddErrFunc) + +type rule struct { + name string + rule ruleFunc +} + +var rules []rule + +// addRule to rule set. +// f is called once each time `Validate` is executed. +func AddRule(name string, f ruleFunc) { + rules = append(rules, rule{name: name, rule: f}) +} + +func Validate(schema *Schema, doc *QueryDocument) gqlerror.List { + var errs gqlerror.List + + observers := &Events{} + for i := range rules { + rule := rules[i] + rule.rule(observers, func(options ...ErrorOption) { + err := &gqlerror.Error{ + Rule: rule.name, + } + for _, o := range options { + o(err) + } + errs = append(errs, err) + }) + } + + Walk(schema, doc, observers) + return errs +} |