42 lines
1.5 KiB
Dart
42 lines
1.5 KiB
Dart
part of graphql_schema.src.schema;
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class GraphQLFieldInput<Value, Serialized> {
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final String name;
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final GraphQLType<Value, Serialized> type;
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final Value defaultValue;
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final String description;
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/// If [defaultValue] is `null`, and `null` is a valid value for this parameter, set this to `true`.
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final bool defaultsToNull;
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static bool _isInputTypeOrScalar(GraphQLType type) {
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if (type is GraphQLInputObjectType) {
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return true;
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} else if (type is GraphQLUnionType) {
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return type.possibleTypes.every(_isInputTypeOrScalar);
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} else if (type is GraphQLObjectType) {
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return false;
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} else if (type is GraphQLNonNullableType) {
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return _isInputTypeOrScalar(type.ofType);
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} else if (type is GraphQLListType) {
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return _isInputTypeOrScalar(type.ofType);
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} else {
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return true;
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}
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}
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GraphQLFieldInput(this.name, this.type,
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{this.defaultValue, this.defaultsToNull: false, this.description}) {
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assert(_isInputTypeOrScalar(type),
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'All inputs to a GraphQL field must either be scalar types, or explicitly marked as INPUT_OBJECT. Call `GraphQLObjectType.asInputObject()` on any object types you are passing as inputs to a field.');
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}
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@override
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bool operator ==(other) =>
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other is GraphQLFieldInput &&
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other.name == name &&
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other.type == type &&
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other.defaultValue == other.defaultValue &&
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other.defaultsToNull == defaultsToNull &&
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other.description == description;
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}
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