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use crate::ast::ast_node::append_span_source_slice;
use crate::ast::AstNode;
use crate::ast::Name;
use crate::ast::Value;
use crate::ByteSpan;
use crate::SourceMap;
use crate::SourceSpan;
use crate::token::GraphQLToken;
use inherent::inherent;
/// A single field within a GraphQL
/// [input object value](https://spec.graphql.org/September2025/#sec-Input-Object-Values).
#[derive(Clone, Debug, PartialEq)]
pub struct ObjectField<'src> {
pub name: Name<'src>,
pub span: ByteSpan,
pub syntax: Option<Box<ObjectFieldSyntax<'src>>>,
pub value: Value<'src>,
}
/// Syntax detail for an [`ObjectField`].
#[derive(Clone, Debug, PartialEq)]
pub struct ObjectFieldSyntax<'src> {
pub colon: GraphQLToken<'src>,
}
impl<'src> ObjectField<'src> {
/// Returns the name of this object field as a string
/// slice.
///
/// Convenience accessor for `self.name.value`.
#[inline]
pub fn name_value(&self) -> &str {
self.name.value.as_ref()
}
}
#[inherent]
impl AstNode for ObjectField<'_> {
/// See [`AstNode::append_source()`](crate::ast::AstNode::append_source).
pub fn append_source(
&self,
sink: &mut String,
source: Option<&str>,
) {
if let Some(src) = source {
append_span_source_slice(
self.span, sink, src,
);
}
}
/// Returns this object field's byte-offset span within the
/// source text.
///
/// The returned [`ByteSpan`] can be resolved to line/column
/// positions via [`source_span()`](Self::source_span) or
/// [`ByteSpan::resolve()`].
#[inline]
pub fn byte_span(&self) -> ByteSpan {
self.span
}
/// Resolves this object field's position to line/column
/// coordinates using the given [`SourceMap`].
///
/// Returns [`None`] if the byte offsets cannot be resolved
/// (e.g. the span was synthetically constructed without
/// valid position data).
#[inline]
pub fn source_span(
&self,
source_map: &SourceMap,
) -> Option<SourceSpan> {
self.byte_span().resolve(source_map)
}
}