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authorRaindropsSys <contact@minteck.org>2023-06-22 23:06:12 +0200
committerRaindropsSys <contact@minteck.org>2023-06-22 23:06:12 +0200
commit23563c7188e089929b60f9e10721c6fc43a220ff (patch)
treeedfe2b009c82900d4ac27db02222d2f68dcad846 /includes/external/school/node_modules/graphql/utilities/buildClientSchema.js.flow
parent7a7a49332df7c852abbaa33c7e8e87f93d064d61 (diff)
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-// @flow strict
-import objectValues from '../polyfills/objectValues';
-
-import inspect from '../jsutils/inspect';
-import devAssert from '../jsutils/devAssert';
-import keyValMap from '../jsutils/keyValMap';
-import isObjectLike from '../jsutils/isObjectLike';
-
-import { parseValue } from '../language/parser';
-
-import type { GraphQLSchemaValidationOptions } from '../type/schema';
-import type {
- GraphQLType,
- GraphQLNamedType,
- GraphQLFieldConfig,
- GraphQLFieldConfigMap,
-} from '../type/definition';
-import { GraphQLSchema } from '../type/schema';
-import { GraphQLDirective } from '../type/directives';
-import { specifiedScalarTypes } from '../type/scalars';
-import { introspectionTypes, TypeKind } from '../type/introspection';
-import {
- isInputType,
- isOutputType,
- GraphQLList,
- GraphQLNonNull,
- GraphQLScalarType,
- GraphQLObjectType,
- GraphQLInterfaceType,
- GraphQLUnionType,
- GraphQLEnumType,
- GraphQLInputObjectType,
- assertNullableType,
- assertObjectType,
- assertInterfaceType,
-} from '../type/definition';
-
-import type {
- IntrospectionQuery,
- IntrospectionDirective,
- IntrospectionField,
- IntrospectionInputValue,
- IntrospectionType,
- IntrospectionScalarType,
- IntrospectionObjectType,
- IntrospectionInterfaceType,
- IntrospectionUnionType,
- IntrospectionEnumType,
- IntrospectionInputObjectType,
- IntrospectionTypeRef,
- IntrospectionNamedTypeRef,
-} from './getIntrospectionQuery';
-import { valueFromAST } from './valueFromAST';
-
-/**
- * Build a GraphQLSchema for use by client tools.
- *
- * Given the result of a client running the introspection query, creates and
- * returns a GraphQLSchema instance which can be then used with all graphql-js
- * tools, but cannot be used to execute a query, as introspection does not
- * represent the "resolver", "parse" or "serialize" functions or any other
- * server-internal mechanisms.
- *
- * This function expects a complete introspection result. Don't forget to check
- * the "errors" field of a server response before calling this function.
- */
-export function buildClientSchema(
- introspection: IntrospectionQuery,
- options?: GraphQLSchemaValidationOptions,
-): GraphQLSchema {
- devAssert(
- isObjectLike(introspection) && isObjectLike(introspection.__schema),
- `Invalid or incomplete introspection result. Ensure that you are passing "data" property of introspection response and no "errors" was returned alongside: ${inspect(
- introspection,
- )}.`,
- );
-
- // Get the schema from the introspection result.
- const schemaIntrospection = introspection.__schema;
-
- // Iterate through all types, getting the type definition for each.
- const typeMap = keyValMap(
- schemaIntrospection.types,
- (typeIntrospection) => typeIntrospection.name,
- (typeIntrospection) => buildType(typeIntrospection),
- );
-
- // Include standard types only if they are used.
- for (const stdType of [...specifiedScalarTypes, ...introspectionTypes]) {
- if (typeMap[stdType.name]) {
- typeMap[stdType.name] = stdType;
- }
- }
-
- // Get the root Query, Mutation, and Subscription types.
- const queryType = schemaIntrospection.queryType
- ? getObjectType(schemaIntrospection.queryType)
- : null;
-
- const mutationType = schemaIntrospection.mutationType
- ? getObjectType(schemaIntrospection.mutationType)
- : null;
-
- const subscriptionType = schemaIntrospection.subscriptionType
- ? getObjectType(schemaIntrospection.subscriptionType)
- : null;
-
- // Get the directives supported by Introspection, assuming empty-set if
- // directives were not queried for.
- const directives = schemaIntrospection.directives
- ? schemaIntrospection.directives.map(buildDirective)
- : [];
-
- // Then produce and return a Schema with these types.
- return new GraphQLSchema({
- description: schemaIntrospection.description,
- query: queryType,
- mutation: mutationType,
- subscription: subscriptionType,
- types: objectValues(typeMap),
- directives,
- assumeValid: options?.assumeValid,
- });
-
- // Given a type reference in introspection, return the GraphQLType instance.
- // preferring cached instances before building new instances.
- function getType(typeRef: IntrospectionTypeRef): GraphQLType {
- if (typeRef.kind === TypeKind.LIST) {
- const itemRef = typeRef.ofType;
- if (!itemRef) {
- throw new Error('Decorated type deeper than introspection query.');
- }
- return new GraphQLList(getType(itemRef));
- }
- if (typeRef.kind === TypeKind.NON_NULL) {
- const nullableRef = typeRef.ofType;
- if (!nullableRef) {
- throw new Error('Decorated type deeper than introspection query.');
- }
- const nullableType = getType(nullableRef);
- return new GraphQLNonNull(assertNullableType(nullableType));
- }
- return getNamedType(typeRef);
- }
-
- function getNamedType(
- typeRef: IntrospectionNamedTypeRef<>,
- ): GraphQLNamedType {
- const typeName = typeRef.name;
- if (!typeName) {
- throw new Error(`Unknown type reference: ${inspect(typeRef)}.`);
- }
-
- const type = typeMap[typeName];
- if (!type) {
- throw new Error(
- `Invalid or incomplete schema, unknown type: ${typeName}. Ensure that a full introspection query is used in order to build a client schema.`,
- );
- }
-
- return type;
- }
-
- function getObjectType(
- typeRef: IntrospectionNamedTypeRef<IntrospectionObjectType>,
- ): GraphQLObjectType {
- return assertObjectType(getNamedType(typeRef));
- }
-
- function getInterfaceType(
- typeRef: IntrospectionNamedTypeRef<IntrospectionInterfaceType>,
- ): GraphQLInterfaceType {
- return assertInterfaceType(getNamedType(typeRef));
- }
-
- // Given a type's introspection result, construct the correct
- // GraphQLType instance.
- function buildType(type: IntrospectionType): GraphQLNamedType {
- if (type != null && type.name != null && type.kind != null) {
- switch (type.kind) {
- case TypeKind.SCALAR:
- return buildScalarDef(type);
- case TypeKind.OBJECT:
- return buildObjectDef(type);
- case TypeKind.INTERFACE:
- return buildInterfaceDef(type);
- case TypeKind.UNION:
- return buildUnionDef(type);
- case TypeKind.ENUM:
- return buildEnumDef(type);
- case TypeKind.INPUT_OBJECT:
- return buildInputObjectDef(type);
- }
- }
- const typeStr = inspect(type);
- throw new Error(
- `Invalid or incomplete introspection result. Ensure that a full introspection query is used in order to build a client schema: ${typeStr}.`,
- );
- }
-
- function buildScalarDef(
- scalarIntrospection: IntrospectionScalarType,
- ): GraphQLScalarType {
- return new GraphQLScalarType({
- name: scalarIntrospection.name,
- description: scalarIntrospection.description,
- specifiedByUrl: scalarIntrospection.specifiedByUrl,
- });
- }
-
- function buildImplementationsList(
- implementingIntrospection:
- | IntrospectionObjectType
- | IntrospectionInterfaceType,
- ): Array<GraphQLInterfaceType> {
- // TODO: Temporary workaround until GraphQL ecosystem will fully support
- // 'interfaces' on interface types.
- if (
- implementingIntrospection.interfaces === null &&
- implementingIntrospection.kind === TypeKind.INTERFACE
- ) {
- return [];
- }
-
- if (!implementingIntrospection.interfaces) {
- const implementingIntrospectionStr = inspect(implementingIntrospection);
- throw new Error(
- `Introspection result missing interfaces: ${implementingIntrospectionStr}.`,
- );
- }
-
- return implementingIntrospection.interfaces.map(getInterfaceType);
- }
-
- function buildObjectDef(
- objectIntrospection: IntrospectionObjectType,
- ): GraphQLObjectType {
- return new GraphQLObjectType({
- name: objectIntrospection.name,
- description: objectIntrospection.description,
- interfaces: () => buildImplementationsList(objectIntrospection),
- fields: () => buildFieldDefMap(objectIntrospection),
- });
- }
-
- function buildInterfaceDef(
- interfaceIntrospection: IntrospectionInterfaceType,
- ): GraphQLInterfaceType {
- return new GraphQLInterfaceType({
- name: interfaceIntrospection.name,
- description: interfaceIntrospection.description,
- interfaces: () => buildImplementationsList(interfaceIntrospection),
- fields: () => buildFieldDefMap(interfaceIntrospection),
- });
- }
-
- function buildUnionDef(
- unionIntrospection: IntrospectionUnionType,
- ): GraphQLUnionType {
- if (!unionIntrospection.possibleTypes) {
- const unionIntrospectionStr = inspect(unionIntrospection);
- throw new Error(
- `Introspection result missing possibleTypes: ${unionIntrospectionStr}.`,
- );
- }
- return new GraphQLUnionType({
- name: unionIntrospection.name,
- description: unionIntrospection.description,
- types: () => unionIntrospection.possibleTypes.map(getObjectType),
- });
- }
-
- function buildEnumDef(
- enumIntrospection: IntrospectionEnumType,
- ): GraphQLEnumType {
- if (!enumIntrospection.enumValues) {
- const enumIntrospectionStr = inspect(enumIntrospection);
- throw new Error(
- `Introspection result missing enumValues: ${enumIntrospectionStr}.`,
- );
- }
- return new GraphQLEnumType({
- name: enumIntrospection.name,
- description: enumIntrospection.description,
- values: keyValMap(
- enumIntrospection.enumValues,
- (valueIntrospection) => valueIntrospection.name,
- (valueIntrospection) => ({
- description: valueIntrospection.description,
- deprecationReason: valueIntrospection.deprecationReason,
- }),
- ),
- });
- }
-
- function buildInputObjectDef(
- inputObjectIntrospection: IntrospectionInputObjectType,
- ): GraphQLInputObjectType {
- if (!inputObjectIntrospection.inputFields) {
- const inputObjectIntrospectionStr = inspect(inputObjectIntrospection);
- throw new Error(
- `Introspection result missing inputFields: ${inputObjectIntrospectionStr}.`,
- );
- }
- return new GraphQLInputObjectType({
- name: inputObjectIntrospection.name,
- description: inputObjectIntrospection.description,
- fields: () => buildInputValueDefMap(inputObjectIntrospection.inputFields),
- });
- }
-
- function buildFieldDefMap(
- typeIntrospection: IntrospectionObjectType | IntrospectionInterfaceType,
- ): GraphQLFieldConfigMap<mixed, mixed> {
- if (!typeIntrospection.fields) {
- throw new Error(
- `Introspection result missing fields: ${inspect(typeIntrospection)}.`,
- );
- }
-
- return keyValMap(
- typeIntrospection.fields,
- (fieldIntrospection) => fieldIntrospection.name,
- buildField,
- );
- }
-
- function buildField(
- fieldIntrospection: IntrospectionField,
- ): GraphQLFieldConfig<mixed, mixed> {
- const type = getType(fieldIntrospection.type);
- if (!isOutputType(type)) {
- const typeStr = inspect(type);
- throw new Error(
- `Introspection must provide output type for fields, but received: ${typeStr}.`,
- );
- }
-
- if (!fieldIntrospection.args) {
- const fieldIntrospectionStr = inspect(fieldIntrospection);
- throw new Error(
- `Introspection result missing field args: ${fieldIntrospectionStr}.`,
- );
- }
-
- return {
- description: fieldIntrospection.description,
- deprecationReason: fieldIntrospection.deprecationReason,
- type,
- args: buildInputValueDefMap(fieldIntrospection.args),
- };
- }
-
- function buildInputValueDefMap(
- inputValueIntrospections: $ReadOnlyArray<IntrospectionInputValue>,
- ) {
- return keyValMap(
- inputValueIntrospections,
- (inputValue) => inputValue.name,
- buildInputValue,
- );
- }
-
- function buildInputValue(inputValueIntrospection: IntrospectionInputValue) {
- const type = getType(inputValueIntrospection.type);
- if (!isInputType(type)) {
- const typeStr = inspect(type);
- throw new Error(
- `Introspection must provide input type for arguments, but received: ${typeStr}.`,
- );
- }
-
- const defaultValue =
- inputValueIntrospection.defaultValue != null
- ? valueFromAST(parseValue(inputValueIntrospection.defaultValue), type)
- : undefined;
- return {
- description: inputValueIntrospection.description,
- type,
- defaultValue,
- deprecationReason: inputValueIntrospection.deprecationReason,
- };
- }
-
- function buildDirective(
- directiveIntrospection: IntrospectionDirective,
- ): GraphQLDirective {
- if (!directiveIntrospection.args) {
- const directiveIntrospectionStr = inspect(directiveIntrospection);
- throw new Error(
- `Introspection result missing directive args: ${directiveIntrospectionStr}.`,
- );
- }
- if (!directiveIntrospection.locations) {
- const directiveIntrospectionStr = inspect(directiveIntrospection);
- throw new Error(
- `Introspection result missing directive locations: ${directiveIntrospectionStr}.`,
- );
- }
- return new GraphQLDirective({
- name: directiveIntrospection.name,
- description: directiveIntrospection.description,
- isRepeatable: directiveIntrospection.isRepeatable,
- locations: directiveIntrospection.locations.slice(),
- args: buildInputValueDefMap(directiveIntrospection.args),
- });
- }
-}