@graphql-tools/merge
Version:
A set of utils for faster development of GraphQL tools
31 lines (30 loc) • 1.33 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.mergeUnion = void 0;
const graphql_1 = require("graphql");
const directives_js_1 = require("./directives.js");
const merge_named_type_array_js_1 = require("./merge-named-type-array.js");
function mergeUnion(first, second, config, directives) {
if (second) {
return {
name: first.name,
description: first['description'] || second['description'],
// ConstXNode has been introduced in v16 but it is not compatible with XNode so we do `as any` for backwards compatibility
directives: (0, directives_js_1.mergeDirectives)(first.directives, second.directives, config, directives),
kind: config?.convertExtensions ||
first.kind === 'UnionTypeDefinition' ||
second.kind === 'UnionTypeDefinition'
? graphql_1.Kind.UNION_TYPE_DEFINITION
: graphql_1.Kind.UNION_TYPE_EXTENSION,
loc: first.loc,
types: (0, merge_named_type_array_js_1.mergeNamedTypeArray)(first.types, second.types, config),
};
}
return config?.convertExtensions
? {
...first,
kind: graphql_1.Kind.UNION_TYPE_DEFINITION,
}
: first;
}
exports.mergeUnion = mergeUnion;