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74 changes: 57 additions & 17 deletions src/Explorer.js
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ import * as React from 'react';
import {
getNamedType,
GraphQLObjectType,
GraphQLInterfaceType,
isEnumType,
isInputObjectType,
isInterfaceType,
Expand Down Expand Up @@ -1744,12 +1745,31 @@ class FieldView extends React.PureComponent<
className += ' graphiql-explorer-deprecated';
}

const applicableFragments =
const availableInterfaceFragments = isObjectType(type)
? type.getInterfaces().reduce((acc, next) => {
if (next.name !== type.name) {
return [
...acc,
...((this.props.availableFragments || {})[next.name] || []),
];
}

// Don't add these matches, since they'll be picked up by the simpler next check
return acc;
}, [])
: null;

const basicApplicableFragments =
isObjectType(type) || isInterfaceType(type) || isUnionType(type)
? this.props.availableFragments &&
this.props.availableFragments[type.name]
: null;

const applicableFragments = [
...(basicApplicableFragments || []),
...(availableInterfaceFragments || []),
];

const node = (
<div className={className}>
<span
Expand All @@ -1767,7 +1787,7 @@ class FieldView extends React.PureComponent<
onClick={this._handleUpdateSelections}
onMouseEnter={() => {
const containsMeaningfulSubselection =
isObjectType(type) &&
(isObjectType(type) || isInterfaceType(type)) &&
selection &&
selection.selectionSet &&
selection.selectionSet.selections.filter(
Expand Down Expand Up @@ -2427,26 +2447,45 @@ class Explorer extends React.PureComponent<Props, State> {
: _relevantOperations;

const renameOperation = (targetOperation, name) => {
const targetOperationExistingName =
(targetOperation.name && targetOperation.name.value) || 'unknown';

const newName =
name == null || name === ''
? null
: {kind: 'Name', value: name, loc: undefined};
const newOperation = {...targetOperation, name: newName};

const existingDefs = parsedQuery.definitions;

const newDefinitions = existingDefs.map(existingOperation => {
if (targetOperation === existingOperation) {
return newOperation;
} else {
return existingOperation;
}
const targetOperationIsFragment =
targetOperation.kind === 'FragmentDefinition';

return visit(parsedQuery, {
OperationDefinition: node => {
if (
!targetOperationIsFragment &&
!!newName &&
node?.name?.value === targetOperation?.name?.value
) {
return {...node, name: newName};
}
},
FragmentDefinition: node => {
if (
targetOperationIsFragment &&
!!newName &&
node?.name?.value === targetOperation?.name?.value
) {
return {...node, name: newName};
}
},
FragmentSpread: node => {
if (
targetOperationIsFragment &&
node.name.value === targetOperationExistingName
) {
return {...node, name: {...newName}};
}
},
});

return {
...parsedQuery,
definitions: newDefinitions,
};
};

const cloneOperation = (
Expand Down Expand Up @@ -2733,7 +2772,8 @@ class Explorer extends React.PureComponent<Props, State> {
schema.getType(operation.typeCondition.name.value);

const fragmentFields =
fragmentType instanceof GraphQLObjectType
fragmentType instanceof GraphQLObjectType ||
fragmentType instanceof GraphQLInterfaceType
? fragmentType.getFields()
: null;

Expand Down