| 1 | Object.defineProperty(exports, "__esModule", { value: true });
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| 2 | var graphql_1 = require("graphql");
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| 3 | function resolveFromParentTypename(parent, schema) {
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| 4 | var parentTypename = parent['__typename'];
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| 5 | if (!parentTypename) {
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| 6 | throw new Error('Did not fetch typename for object, unable to resolve interface.');
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| 7 | }
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| 8 | var resolvedType = schema.getType(parentTypename);
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| 9 | if (!(resolvedType instanceof graphql_1.GraphQLObjectType)) {
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| 10 | throw new Error('__typename did not match an object type: ' + parentTypename);
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| 11 | }
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| 12 | return resolvedType;
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| 13 | }
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| 14 | exports.default = resolveFromParentTypename;
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| 15 | |
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