graphql

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import { inspect } from '../jsutils/inspect.mjs';
import { invariant } from '../jsutils/invariant.mjs';
import { keyValMap } from '../jsutils/keyValMap.mjs';
import { naturalCompare } from '../jsutils/naturalCompare.mjs';
import {
GraphQLEnumType,
GraphQLInputObjectType,
GraphQLInterfaceType,
GraphQLList,
GraphQLNonNull,
GraphQLObjectType,
GraphQLUnionType,
isEnumType,
isInputObjectType,
isInterfaceType,
isListType,
isNonNullType,
isObjectType,
isScalarType,
isUnionType,
} from '../type/definition.mjs';
import { GraphQLDirective } from '../type/directives.mjs';
import { isIntrospectionType } from '../type/introspection.mjs';
import { GraphQLSchema } from '../type/schema.mjs';
/**
* Sort GraphQLSchema.
*
* This function returns a sorted copy of the given GraphQLSchema.
*/
export function lexicographicSortSchema(schema) {
const schemaConfig = schema.toConfig();
const typeMap = keyValMap(
sortByName(schemaConfig.types),
(type) => type.name,
sortNamedType,
);
return new GraphQLSchema({
...schemaConfig,
types: Object.values(typeMap),
directives: sortByName(schemaConfig.directives).map(sortDirective),
query: replaceMaybeType(schemaConfig.query),
mutation: replaceMaybeType(schemaConfig.mutation),
subscription: replaceMaybeType(schemaConfig.subscription),
});
function replaceType(type) {
if (isListType(type)) {
// @ts-expect-error
return new GraphQLList(replaceType(type.ofType));
} else if (isNonNullType(type)) {
// @ts-expect-error
return new GraphQLNonNull(replaceType(type.ofType));
} // @ts-expect-error FIXME: TS Conversion
return replaceNamedType(type);
}
function replaceNamedType(type) {
return typeMap[type.name];
}
function replaceMaybeType(maybeType) {
return maybeType && replaceNamedType(maybeType);
}
function sortDirective(directive) {
const config = directive.toConfig();
return new GraphQLDirective({
...config,
locations: sortBy(config.locations, (x) => x),
args: sortArgs(config.args),
});
}
function sortArgs(args) {
return sortObjMap(args, (arg) => ({ ...arg, type: replaceType(arg.type) }));
}
function sortFields(fieldsMap) {
return sortObjMap(fieldsMap, (field) => ({
...field,
type: replaceType(field.type),
args: field.args && sortArgs(field.args),
}));
}
function sortInputFields(fieldsMap) {
return sortObjMap(fieldsMap, (field) => ({
...field,
type: replaceType(field.type),
}));
}
function sortTypes(array) {
return sortByName(array).map(replaceNamedType);
}
function sortNamedType(type) {
if (isScalarType(type) || isIntrospectionType(type)) {
return type;
}
if (isObjectType(type)) {
const config = type.toConfig();
return new GraphQLObjectType({
...config,
interfaces: () => sortTypes(config.interfaces),
fields: () => sortFields(config.fields),
});
}
if (isInterfaceType(type)) {
const config = type.toConfig();
return new GraphQLInterfaceType({
...config,
interfaces: () => sortTypes(config.interfaces),
fields: () => sortFields(config.fields),
});
}
if (isUnionType(type)) {
const config = type.toConfig();
return new GraphQLUnionType({
...config,
types: () => sortTypes(config.types),
});
}
if (isEnumType(type)) {
const config = type.toConfig();
return new GraphQLEnumType({
...config,
values: sortObjMap(config.values, (value) => value),
});
}
if (isInputObjectType(type)) {
const config = type.toConfig();
return new GraphQLInputObjectType({
...config,
fields: () => sortInputFields(config.fields),
});
}
/* c8 ignore next 3 */
// Not reachable, all possible types have been considered.
false || invariant(false, 'Unexpected type: ' + inspect(type));
}
}
function sortObjMap(map, sortValueFn) {
const sortedMap = Object.create(null);
for (const key of Object.keys(map).sort(naturalCompare)) {
sortedMap[key] = sortValueFn(map[key]);
}
return sortedMap;
}
function sortByName(array) {
return sortBy(array, (obj) => obj.name);
}
function sortBy(array, mapToKey) {
return array.slice().sort((obj1, obj2) => {
const key1 = mapToKey(obj1);
const key2 = mapToKey(obj2);
return naturalCompare(key1, key2);
});
}