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<h1 class="page-title">Source: core/base-service/graphql.js</h1>
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<pre class="prettyprint source linenums"><code>'use strict'
/**
* @module
*/
/**
* Utility function to merge two graphql queries together
* This is basically copied from
* [graphql-query-merge](https://www.npmjs.com/package/graphql-query-merge)
* but can't use that due to incorrect packaging.
*
* @param {...object} queries queries to merge
* @returns {object} merged query
*/
function mergeQueries(...queries) {
const merged = {
kind: 'Document',
definitions: [
{
directives: [],
operation: 'query',
variableDefinitions: [],
kind: 'OperationDefinition',
selectionSet: { kind: 'SelectionSet', selections: [] },
},
],
}
queries.forEach(query => {
const parsedQuery = query
parsedQuery.definitions.forEach(definition => {
merged.definitions[0].directives = [
...merged.definitions[0].directives,
...definition.directives,
]
merged.definitions[0].variableDefinitions = [
...merged.definitions[0].variableDefinitions,
...definition.variableDefinitions,
]
merged.definitions[0].selectionSet.selections = [ ...merged.definitions[0].selectionSet.selections,
...definition.selectionSet.selections,
]
})
})
return merged
}
module.exports = { mergeQueries }
</code></pre>
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