| 1 | import { isObjectType } from 'graphql';
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| 2 | export function getImplementingTypes(interfaceName, schema) {
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| 3 | const allTypesMap = schema.getTypeMap();
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| 4 | const result = [];
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| 5 | for (const graphqlTypeName in allTypesMap) {
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| 6 | const graphqlType = allTypesMap[graphqlTypeName];
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| 7 | if (isObjectType(graphqlType)) {
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| 8 | const allInterfaces = graphqlType.getInterfaces();
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| 9 | if (allInterfaces.find(int => int.name === interfaceName)) {
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| 10 | result.push(graphqlType.name);
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| 11 | }
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| 12 | }
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| 13 | }
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| 14 | return result;
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| 15 | }
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