| 1 | 'use strict';
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| 2 |
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| 3 | const graphql = require('graphql');
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| 4 | const core = require('@graphql-toolkit/core');
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| 5 | const graphqlFileLoader = require('@graphql-toolkit/graphql-file-loader');
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| 6 | const codeFileLoader = require('@graphql-toolkit/code-file-loader');
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| 7 |
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| 8 | const extendTransform = async ({ schema, config, }) => {
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| 9 | try {
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| 10 | const sources = await core.loadTypedefs(config, {
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| 11 | loaders: [new graphqlFileLoader.GraphQLFileLoader(), new codeFileLoader.CodeFileLoader()],
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| 12 | assumeValid: true,
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| 13 | assumeValidSDL: true,
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| 14 | });
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| 15 | const mergedDefinitions = graphql.concatAST(sources.map(source => source.document));
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| 16 | return graphql.extendSchema(schema, mergedDefinitions);
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| 17 | }
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| 18 | catch (e) {
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| 19 | throw new Error(`'extend' transform requires a valid SDL string!`);
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| 20 | }
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| 21 | };
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| 22 |
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| 23 | module.exports = extendTransform;
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| 24 |
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