Mirror: The spec-compliant minimum of client-side GraphQL.
Export missing exports for apollo-client (#39)
authored by
Jovi De Croock
and committed by
GitHub
8825d164
a5fd37d1
+58
+5
.changeset/yellow-meals-fix.md
+5
.changeset/yellow-meals-fix.md
+38
src/__tests__/helpers.test.ts
+38
src/__tests__/helpers.test.ts
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import { describe, it, expect } from 'vitest';
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import { parse } from '../parser';
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import { isSelectionNode, Source } from '../helpers';
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import type { OperationDefinitionNode } from '../ast';
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describe('helpers', () => {
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it('Correctly indicates a selection-node', () => {
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const parsed = parse(`
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query {
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field
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... on Query { field }
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...Frag
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}
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fragment Frag on Query { field }
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`);
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const operation = parsed.definitions[0] as OperationDefinitionNode;
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expect(isSelectionNode(operation.selectionSet.selections[0])).toEqual(true);
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expect(isSelectionNode(operation.selectionSet.selections[1])).toEqual(true);
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expect(isSelectionNode(operation.selectionSet.selections[2])).toEqual(true);
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});
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it('Source is a function', () => {
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expect(typeof Source).toEqual('function');
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expect(Source('test')).toEqual({
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body: 'test',
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name: undefined,
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locationOffset: { line: 1, column: 1 },
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});
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expect(Source('test', 'test', { line: 2, column: 1 })).toEqual({
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body: 'test',
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name: 'test',
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locationOffset: { line: 2, column: 1 },
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});
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});
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});
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src/helpers.ts
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src/helpers.ts
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import type { Location } from './types';
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import type { ASTNode, SelectionNode } from './ast';
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export function isSelectionNode(node: ASTNode): node is SelectionNode {
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return node.kind === 'Field' || node.kind === 'FragmentSpread' || node.kind === 'InlineFragment';
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}
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export function Source(body: string, name?: string, locationOffset?: Location) {
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return {
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body,
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name,
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locationOffset: locationOffset || { line: 1, column: 1 },
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};
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}