Mirror: The small sibling of the graphql package, slimmed down for client-side libraries.
handle inserted nodes with 'enter' correctly (#7)
authored by
Jovi De Croock
and committed by
GitHub
22c4ab15
e9906c7f
+43
-2
+42
-1
alias/language/__tests__/visitor.test.js
+42
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alias/language/__tests__/visitor.test.js
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// See: https://github.com/graphql/graphql-js/blob/976d64b/src/language/__tests__/visitor-test.ts
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import { Kind, parse } from 'graphql';
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import { Kind, parse, print } from 'graphql';
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import { visit, visitInParallel, BREAK } from '../visitor';
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const kitchenSinkQuery = String.raw`
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['enter', 'Name', 'c'],
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['leave', 'SelectionSet', undefined],
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]);
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});
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it('handles deep immutable edits correctly when using "enter"', () => {
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const formatNode = (node) => {
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if (
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node.selectionSet &&
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!node.selectionSet.selections.some(
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(node) =>
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node.kind === Kind.FIELD &&
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node.name.value === '__typename' &&
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!node.alias
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)
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) {
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return {
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...node,
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selectionSet: {
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...node.selectionSet,
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selections: [
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...node.selectionSet.selections,
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{
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kind: Kind.FIELD,
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name: {
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kind: Kind.NAME,
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value: '__typename',
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},
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},
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],
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},
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};
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}
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};
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const ast = parse('{ players { nodes { id } } }');
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const expected = parse(
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'{ players { nodes { id __typename } __typename } }'
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);
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const visited = visit(ast, {
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Field: formatNode,
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InlineFragment: formatNode,
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});
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expect(print(visited)).toEqual(print(expected));
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});
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it('visits kitchen sink', () => {