| 1 | import { concatAST, extendSchema } from 'graphql';
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| 2 | import { loadTypedefs } from '@graphql-toolkit/core';
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| 3 | import { GraphQLFileLoader } from '@graphql-toolkit/graphql-file-loader';
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| 4 | import { CodeFileLoader } from '@graphql-toolkit/code-file-loader';
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| 5 |
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| 6 | const extendTransform = async ({ schema, config, }) => {
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| 7 | try {
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| 8 | const sources = await loadTypedefs(config, {
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| 9 | loaders: [new GraphQLFileLoader(), new CodeFileLoader()],
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| 10 | assumeValid: true,
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| 11 | assumeValidSDL: true,
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| 12 | });
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| 13 | const mergedDefinitions = concatAST(sources.map(source => source.document));
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| 14 | return extendSchema(schema, mergedDefinitions);
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| 15 | }
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| 16 | catch (e) {
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| 17 | throw new Error(`'extend' transform requires a valid SDL string!`);
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| 18 | }
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| 19 | };
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| 20 |
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| 21 | export default extendTransform;
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| 22 |
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