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https://github.com/vale981/Vulcan
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2c6526f81f
Shows how to use a simple a hierarchical interface implemented in a Categories collection.
18 lines
543 B
JavaScript
18 lines
543 B
JavaScript
import { addGraphQLSchema, addGraphQLResolvers } from 'meteor/vulcan:core';
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addGraphQLSchema(`
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interface HierarchicalInterface {
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parentId: String
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parent: HierarchicalInterface
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}
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`);
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// type must be resolved dynamically at execution time. To prevent this resolver from knowing
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// all the implementing types we return the parentType name. Note that this may not always work
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const resolveType = (obj, context, info) => info.parentType.name;
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addGraphQLResolvers({
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HierarchicalInterface: {
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__resolveType: resolveType,
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},
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});
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