@graphql-tools/merge
Version:
A set of utils for faster development of GraphQL tools
36 lines (35 loc) • 1.53 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.mergeType = mergeType;
const graphql_1 = require("graphql");
const directives_js_1 = require("./directives.js");
const fields_js_1 = require("./fields.js");
const merge_named_type_array_js_1 = require("./merge-named-type-array.js");
function mergeType(node, existingNode, config, directives) {
if (existingNode) {
try {
return {
name: node.name,
description: node['description'] || existingNode['description'],
kind: config?.convertExtensions ||
node.kind === 'ObjectTypeDefinition' ||
existingNode.kind === 'ObjectTypeDefinition'
? 'ObjectTypeDefinition'
: 'ObjectTypeExtension',
loc: node.loc,
fields: (0, fields_js_1.mergeFields)(node, node.fields, existingNode.fields, config, directives),
directives: (0, directives_js_1.mergeDirectives)(node.directives, existingNode.directives, config, directives),
interfaces: (0, merge_named_type_array_js_1.mergeNamedTypeArray)(node.interfaces, existingNode.interfaces, config),
};
}
catch (e) {
throw new Error(`Unable to merge GraphQL type "${node.name.value}": ${e.message}`);
}
}
return config?.convertExtensions
? {
...node,
kind: graphql_1.Kind.OBJECT_TYPE_DEFINITION,
}
: node;
}