Mirror: The spec-compliant minimum of client-side GraphQL.
Handle empty selection array (#46)
authored by
Jovi De Croock
and committed by
GitHub
405d23c2
47ea6137
+45
-1
+5
.changeset/soft-penguins-switch.md
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.changeset/soft-penguins-switch.md
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src/__tests__/printer.test.ts
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src/__tests__/printer.test.ts
···
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import { describe, it, expect } from 'vitest';
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import * as graphql16 from 'graphql16';
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import type { DocumentNode } from '../ast';
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import { parse } from '../parser';
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import { print, printString, printBlockString } from '../printer';
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import kitchenSinkAST from './fixtures/kitchen_sink.json';
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import { Kind, OperationTypeNode } from 'src/kind';
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function dedentString(string: string) {
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const trimmedStr = string
···
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dateTime
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}
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}
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`
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);
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});
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it('Handles empty array selections', () => {
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const document: DocumentNode = {
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kind: Kind.DOCUMENT,
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definitions: [
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{
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kind: Kind.OPERATION_DEFINITION,
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operation: OperationTypeNode.QUERY,
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name: undefined,
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selectionSet: {
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kind: Kind.SELECTION_SET,
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selections: [
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{
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kind: Kind.FIELD,
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name: { kind: Kind.NAME, value: 'id' },
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alias: undefined,
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arguments: [],
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directives: [],
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selectionSet: { kind: Kind.SELECTION_SET, selections: [] },
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},
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],
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},
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variableDefinitions: [],
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},
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],
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};
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expect(print(document)).toBe(
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dedent`
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{
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id
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}
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`
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);
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});
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src/printer.ts
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src/printer.ts
···
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}
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if (node.directives && node.directives.length)
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out += ' ' + mapJoin(node.directives, ' ', nodes.Directive);
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if (node.selectionSet) out += ' ' + nodes.SelectionSet(node.selectionSet);
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if (node.selectionSet && node.selectionSet.selections.length) {
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out += ' ' + nodes.SelectionSet(node.selectionSet);
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}
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return out;
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},
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StringValue(node: StringValueNode): string {