34 lines
936 B
Rust
34 lines
936 B
Rust
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use crate::registry::Type;
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use crate::validation::context::ValidatorContext;
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use crate::validation::visitor::Visitor;
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use graphql_parser::query::Field;
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#[derive(Default)]
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pub struct FieldsOnCorrectType;
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impl<'a> Visitor<'a> for FieldsOnCorrectType {
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fn enter_field(&mut self, ctx: &mut ValidatorContext<'a>, field: &'a Field) {
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if ctx
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.parent_type()
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.unwrap()
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.field_by_name(&field.name)
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.is_none()
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{
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if let Some(Type::Union { .. }) = ctx.parent_type() {
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if field.name == "__typename" {
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return;
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}
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}
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ctx.report_error(
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vec![field.position],
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format!(
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"Unknown field \"{}\" on type \"{}\"",
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field.name,
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ctx.parent_type().unwrap().name()
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),
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);
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}
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}
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}
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