466 lines
19 KiB
JavaScript
466 lines
19 KiB
JavaScript
import { GraphQLObjectType, GraphQLSchema, isInterfaceType, isEnumType, isObjectType, isScalarType, isUnionType, isInputObjectType, GraphQLInputObjectType, GraphQLInterfaceType, isLeafType, isListType, isNonNullType, isNamedType, GraphQLList, GraphQLNonNull, GraphQLEnumType, Kind, } from 'graphql';
|
|
import { getObjectTypeFromTypeMap } from './getObjectTypeFromTypeMap.js';
|
|
import { MapperKind, } from './Interfaces.js';
|
|
import { rewireTypes } from './rewire.js';
|
|
import { serializeInputValue, parseInputValue } from './transformInputValue.js';
|
|
export function mapSchema(schema, schemaMapper = {}) {
|
|
const newTypeMap = mapArguments(mapFields(mapTypes(mapDefaultValues(mapEnumValues(mapTypes(mapDefaultValues(schema.getTypeMap(), schema, serializeInputValue), schema, schemaMapper, type => isLeafType(type)), schema, schemaMapper), schema, parseInputValue), schema, schemaMapper, type => !isLeafType(type)), schema, schemaMapper), schema, schemaMapper);
|
|
const originalDirectives = schema.getDirectives();
|
|
const newDirectives = mapDirectives(originalDirectives, schema, schemaMapper);
|
|
const { typeMap, directives } = rewireTypes(newTypeMap, newDirectives);
|
|
return new GraphQLSchema({
|
|
...schema.toConfig(),
|
|
query: getObjectTypeFromTypeMap(typeMap, getObjectTypeFromTypeMap(newTypeMap, schema.getQueryType())),
|
|
mutation: getObjectTypeFromTypeMap(typeMap, getObjectTypeFromTypeMap(newTypeMap, schema.getMutationType())),
|
|
subscription: getObjectTypeFromTypeMap(typeMap, getObjectTypeFromTypeMap(newTypeMap, schema.getSubscriptionType())),
|
|
types: Object.values(typeMap),
|
|
directives,
|
|
});
|
|
}
|
|
function mapTypes(originalTypeMap, schema, schemaMapper, testFn = () => true) {
|
|
const newTypeMap = {};
|
|
for (const typeName in originalTypeMap) {
|
|
if (!typeName.startsWith('__')) {
|
|
const originalType = originalTypeMap[typeName];
|
|
if (originalType == null || !testFn(originalType)) {
|
|
newTypeMap[typeName] = originalType;
|
|
continue;
|
|
}
|
|
const typeMapper = getTypeMapper(schema, schemaMapper, typeName);
|
|
if (typeMapper == null) {
|
|
newTypeMap[typeName] = originalType;
|
|
continue;
|
|
}
|
|
const maybeNewType = typeMapper(originalType, schema);
|
|
if (maybeNewType === undefined) {
|
|
newTypeMap[typeName] = originalType;
|
|
continue;
|
|
}
|
|
newTypeMap[typeName] = maybeNewType;
|
|
}
|
|
}
|
|
return newTypeMap;
|
|
}
|
|
function mapEnumValues(originalTypeMap, schema, schemaMapper) {
|
|
const enumValueMapper = getEnumValueMapper(schemaMapper);
|
|
if (!enumValueMapper) {
|
|
return originalTypeMap;
|
|
}
|
|
return mapTypes(originalTypeMap, schema, {
|
|
[MapperKind.ENUM_TYPE]: type => {
|
|
const config = type.toConfig();
|
|
const originalEnumValueConfigMap = config.values;
|
|
const newEnumValueConfigMap = {};
|
|
for (const externalValue in originalEnumValueConfigMap) {
|
|
const originalEnumValueConfig = originalEnumValueConfigMap[externalValue];
|
|
const mappedEnumValue = enumValueMapper(originalEnumValueConfig, type.name, schema, externalValue);
|
|
if (mappedEnumValue === undefined) {
|
|
newEnumValueConfigMap[externalValue] = originalEnumValueConfig;
|
|
}
|
|
else if (Array.isArray(mappedEnumValue)) {
|
|
const [newExternalValue, newEnumValueConfig] = mappedEnumValue;
|
|
newEnumValueConfigMap[newExternalValue] =
|
|
newEnumValueConfig === undefined ? originalEnumValueConfig : newEnumValueConfig;
|
|
}
|
|
else if (mappedEnumValue !== null) {
|
|
newEnumValueConfigMap[externalValue] = mappedEnumValue;
|
|
}
|
|
}
|
|
return correctASTNodes(new GraphQLEnumType({
|
|
...config,
|
|
values: newEnumValueConfigMap,
|
|
}));
|
|
},
|
|
}, type => isEnumType(type));
|
|
}
|
|
function mapDefaultValues(originalTypeMap, schema, fn) {
|
|
const newTypeMap = mapArguments(originalTypeMap, schema, {
|
|
[MapperKind.ARGUMENT]: argumentConfig => {
|
|
if (argumentConfig.defaultValue === undefined) {
|
|
return argumentConfig;
|
|
}
|
|
const maybeNewType = getNewType(originalTypeMap, argumentConfig.type);
|
|
if (maybeNewType != null) {
|
|
return {
|
|
...argumentConfig,
|
|
defaultValue: fn(maybeNewType, argumentConfig.defaultValue),
|
|
};
|
|
}
|
|
},
|
|
});
|
|
return mapFields(newTypeMap, schema, {
|
|
[MapperKind.INPUT_OBJECT_FIELD]: inputFieldConfig => {
|
|
if (inputFieldConfig.defaultValue === undefined) {
|
|
return inputFieldConfig;
|
|
}
|
|
const maybeNewType = getNewType(newTypeMap, inputFieldConfig.type);
|
|
if (maybeNewType != null) {
|
|
return {
|
|
...inputFieldConfig,
|
|
defaultValue: fn(maybeNewType, inputFieldConfig.defaultValue),
|
|
};
|
|
}
|
|
},
|
|
});
|
|
}
|
|
function getNewType(newTypeMap, type) {
|
|
if (isListType(type)) {
|
|
const newType = getNewType(newTypeMap, type.ofType);
|
|
return newType != null ? new GraphQLList(newType) : null;
|
|
}
|
|
else if (isNonNullType(type)) {
|
|
const newType = getNewType(newTypeMap, type.ofType);
|
|
return newType != null ? new GraphQLNonNull(newType) : null;
|
|
}
|
|
else if (isNamedType(type)) {
|
|
const newType = newTypeMap[type.name];
|
|
return newType != null ? newType : null;
|
|
}
|
|
return null;
|
|
}
|
|
function mapFields(originalTypeMap, schema, schemaMapper) {
|
|
const newTypeMap = {};
|
|
for (const typeName in originalTypeMap) {
|
|
if (!typeName.startsWith('__')) {
|
|
const originalType = originalTypeMap[typeName];
|
|
if (!isObjectType(originalType) && !isInterfaceType(originalType) && !isInputObjectType(originalType)) {
|
|
newTypeMap[typeName] = originalType;
|
|
continue;
|
|
}
|
|
const fieldMapper = getFieldMapper(schema, schemaMapper, typeName);
|
|
if (fieldMapper == null) {
|
|
newTypeMap[typeName] = originalType;
|
|
continue;
|
|
}
|
|
const config = originalType.toConfig();
|
|
const originalFieldConfigMap = config.fields;
|
|
const newFieldConfigMap = {};
|
|
for (const fieldName in originalFieldConfigMap) {
|
|
const originalFieldConfig = originalFieldConfigMap[fieldName];
|
|
const mappedField = fieldMapper(originalFieldConfig, fieldName, typeName, schema);
|
|
if (mappedField === undefined) {
|
|
newFieldConfigMap[fieldName] = originalFieldConfig;
|
|
}
|
|
else if (Array.isArray(mappedField)) {
|
|
const [newFieldName, newFieldConfig] = mappedField;
|
|
if (newFieldConfig.astNode != null) {
|
|
newFieldConfig.astNode = {
|
|
...newFieldConfig.astNode,
|
|
name: {
|
|
...newFieldConfig.astNode.name,
|
|
value: newFieldName,
|
|
},
|
|
};
|
|
}
|
|
newFieldConfigMap[newFieldName] = newFieldConfig === undefined ? originalFieldConfig : newFieldConfig;
|
|
}
|
|
else if (mappedField !== null) {
|
|
newFieldConfigMap[fieldName] = mappedField;
|
|
}
|
|
}
|
|
if (isObjectType(originalType)) {
|
|
newTypeMap[typeName] = correctASTNodes(new GraphQLObjectType({
|
|
...config,
|
|
fields: newFieldConfigMap,
|
|
}));
|
|
}
|
|
else if (isInterfaceType(originalType)) {
|
|
newTypeMap[typeName] = correctASTNodes(new GraphQLInterfaceType({
|
|
...config,
|
|
fields: newFieldConfigMap,
|
|
}));
|
|
}
|
|
else {
|
|
newTypeMap[typeName] = correctASTNodes(new GraphQLInputObjectType({
|
|
...config,
|
|
fields: newFieldConfigMap,
|
|
}));
|
|
}
|
|
}
|
|
}
|
|
return newTypeMap;
|
|
}
|
|
function mapArguments(originalTypeMap, schema, schemaMapper) {
|
|
const newTypeMap = {};
|
|
for (const typeName in originalTypeMap) {
|
|
if (!typeName.startsWith('__')) {
|
|
const originalType = originalTypeMap[typeName];
|
|
if (!isObjectType(originalType) && !isInterfaceType(originalType)) {
|
|
newTypeMap[typeName] = originalType;
|
|
continue;
|
|
}
|
|
const argumentMapper = getArgumentMapper(schemaMapper);
|
|
if (argumentMapper == null) {
|
|
newTypeMap[typeName] = originalType;
|
|
continue;
|
|
}
|
|
const config = originalType.toConfig();
|
|
const originalFieldConfigMap = config.fields;
|
|
const newFieldConfigMap = {};
|
|
for (const fieldName in originalFieldConfigMap) {
|
|
const originalFieldConfig = originalFieldConfigMap[fieldName];
|
|
const originalArgumentConfigMap = originalFieldConfig.args;
|
|
if (originalArgumentConfigMap == null) {
|
|
newFieldConfigMap[fieldName] = originalFieldConfig;
|
|
continue;
|
|
}
|
|
const argumentNames = Object.keys(originalArgumentConfigMap);
|
|
if (!argumentNames.length) {
|
|
newFieldConfigMap[fieldName] = originalFieldConfig;
|
|
continue;
|
|
}
|
|
const newArgumentConfigMap = {};
|
|
for (const argumentName of argumentNames) {
|
|
const originalArgumentConfig = originalArgumentConfigMap[argumentName];
|
|
const mappedArgument = argumentMapper(originalArgumentConfig, fieldName, typeName, schema);
|
|
if (mappedArgument === undefined) {
|
|
newArgumentConfigMap[argumentName] = originalArgumentConfig;
|
|
}
|
|
else if (Array.isArray(mappedArgument)) {
|
|
const [newArgumentName, newArgumentConfig] = mappedArgument;
|
|
newArgumentConfigMap[newArgumentName] = newArgumentConfig;
|
|
}
|
|
else if (mappedArgument !== null) {
|
|
newArgumentConfigMap[argumentName] = mappedArgument;
|
|
}
|
|
}
|
|
newFieldConfigMap[fieldName] = {
|
|
...originalFieldConfig,
|
|
args: newArgumentConfigMap,
|
|
};
|
|
}
|
|
if (isObjectType(originalType)) {
|
|
newTypeMap[typeName] = new GraphQLObjectType({
|
|
...config,
|
|
fields: newFieldConfigMap,
|
|
});
|
|
}
|
|
else if (isInterfaceType(originalType)) {
|
|
newTypeMap[typeName] = new GraphQLInterfaceType({
|
|
...config,
|
|
fields: newFieldConfigMap,
|
|
});
|
|
}
|
|
else {
|
|
newTypeMap[typeName] = new GraphQLInputObjectType({
|
|
...config,
|
|
fields: newFieldConfigMap,
|
|
});
|
|
}
|
|
}
|
|
}
|
|
return newTypeMap;
|
|
}
|
|
function mapDirectives(originalDirectives, schema, schemaMapper) {
|
|
const directiveMapper = getDirectiveMapper(schemaMapper);
|
|
if (directiveMapper == null) {
|
|
return originalDirectives.slice();
|
|
}
|
|
const newDirectives = [];
|
|
for (const directive of originalDirectives) {
|
|
const mappedDirective = directiveMapper(directive, schema);
|
|
if (mappedDirective === undefined) {
|
|
newDirectives.push(directive);
|
|
}
|
|
else if (mappedDirective !== null) {
|
|
newDirectives.push(mappedDirective);
|
|
}
|
|
}
|
|
return newDirectives;
|
|
}
|
|
function getTypeSpecifiers(schema, typeName) {
|
|
var _a, _b, _c;
|
|
const type = schema.getType(typeName);
|
|
const specifiers = [MapperKind.TYPE];
|
|
if (isObjectType(type)) {
|
|
specifiers.push(MapperKind.COMPOSITE_TYPE, MapperKind.OBJECT_TYPE);
|
|
if (typeName === ((_a = schema.getQueryType()) === null || _a === void 0 ? void 0 : _a.name)) {
|
|
specifiers.push(MapperKind.ROOT_OBJECT, MapperKind.QUERY);
|
|
}
|
|
else if (typeName === ((_b = schema.getMutationType()) === null || _b === void 0 ? void 0 : _b.name)) {
|
|
specifiers.push(MapperKind.ROOT_OBJECT, MapperKind.MUTATION);
|
|
}
|
|
else if (typeName === ((_c = schema.getSubscriptionType()) === null || _c === void 0 ? void 0 : _c.name)) {
|
|
specifiers.push(MapperKind.ROOT_OBJECT, MapperKind.SUBSCRIPTION);
|
|
}
|
|
}
|
|
else if (isInputObjectType(type)) {
|
|
specifiers.push(MapperKind.INPUT_OBJECT_TYPE);
|
|
}
|
|
else if (isInterfaceType(type)) {
|
|
specifiers.push(MapperKind.COMPOSITE_TYPE, MapperKind.ABSTRACT_TYPE, MapperKind.INTERFACE_TYPE);
|
|
}
|
|
else if (isUnionType(type)) {
|
|
specifiers.push(MapperKind.COMPOSITE_TYPE, MapperKind.ABSTRACT_TYPE, MapperKind.UNION_TYPE);
|
|
}
|
|
else if (isEnumType(type)) {
|
|
specifiers.push(MapperKind.ENUM_TYPE);
|
|
}
|
|
else if (isScalarType(type)) {
|
|
specifiers.push(MapperKind.SCALAR_TYPE);
|
|
}
|
|
return specifiers;
|
|
}
|
|
function getTypeMapper(schema, schemaMapper, typeName) {
|
|
const specifiers = getTypeSpecifiers(schema, typeName);
|
|
let typeMapper;
|
|
const stack = [...specifiers];
|
|
while (!typeMapper && stack.length > 0) {
|
|
// It is safe to use the ! operator here as we check the length.
|
|
const next = stack.pop();
|
|
typeMapper = schemaMapper[next];
|
|
}
|
|
return typeMapper != null ? typeMapper : null;
|
|
}
|
|
function getFieldSpecifiers(schema, typeName) {
|
|
var _a, _b, _c;
|
|
const type = schema.getType(typeName);
|
|
const specifiers = [MapperKind.FIELD];
|
|
if (isObjectType(type)) {
|
|
specifiers.push(MapperKind.COMPOSITE_FIELD, MapperKind.OBJECT_FIELD);
|
|
if (typeName === ((_a = schema.getQueryType()) === null || _a === void 0 ? void 0 : _a.name)) {
|
|
specifiers.push(MapperKind.ROOT_FIELD, MapperKind.QUERY_ROOT_FIELD);
|
|
}
|
|
else if (typeName === ((_b = schema.getMutationType()) === null || _b === void 0 ? void 0 : _b.name)) {
|
|
specifiers.push(MapperKind.ROOT_FIELD, MapperKind.MUTATION_ROOT_FIELD);
|
|
}
|
|
else if (typeName === ((_c = schema.getSubscriptionType()) === null || _c === void 0 ? void 0 : _c.name)) {
|
|
specifiers.push(MapperKind.ROOT_FIELD, MapperKind.SUBSCRIPTION_ROOT_FIELD);
|
|
}
|
|
}
|
|
else if (isInterfaceType(type)) {
|
|
specifiers.push(MapperKind.COMPOSITE_FIELD, MapperKind.INTERFACE_FIELD);
|
|
}
|
|
else if (isInputObjectType(type)) {
|
|
specifiers.push(MapperKind.INPUT_OBJECT_FIELD);
|
|
}
|
|
return specifiers;
|
|
}
|
|
function getFieldMapper(schema, schemaMapper, typeName) {
|
|
const specifiers = getFieldSpecifiers(schema, typeName);
|
|
let fieldMapper;
|
|
const stack = [...specifiers];
|
|
while (!fieldMapper && stack.length > 0) {
|
|
// It is safe to use the ! operator here as we check the length.
|
|
const next = stack.pop();
|
|
// TODO: fix this as unknown cast
|
|
fieldMapper = schemaMapper[next];
|
|
}
|
|
return fieldMapper !== null && fieldMapper !== void 0 ? fieldMapper : null;
|
|
}
|
|
function getArgumentMapper(schemaMapper) {
|
|
const argumentMapper = schemaMapper[MapperKind.ARGUMENT];
|
|
return argumentMapper != null ? argumentMapper : null;
|
|
}
|
|
function getDirectiveMapper(schemaMapper) {
|
|
const directiveMapper = schemaMapper[MapperKind.DIRECTIVE];
|
|
return directiveMapper != null ? directiveMapper : null;
|
|
}
|
|
function getEnumValueMapper(schemaMapper) {
|
|
const enumValueMapper = schemaMapper[MapperKind.ENUM_VALUE];
|
|
return enumValueMapper != null ? enumValueMapper : null;
|
|
}
|
|
export function correctASTNodes(type) {
|
|
if (isObjectType(type)) {
|
|
const config = type.toConfig();
|
|
if (config.astNode != null) {
|
|
const fields = [];
|
|
for (const fieldName in config.fields) {
|
|
const fieldConfig = config.fields[fieldName];
|
|
if (fieldConfig.astNode != null) {
|
|
fields.push(fieldConfig.astNode);
|
|
}
|
|
}
|
|
config.astNode = {
|
|
...config.astNode,
|
|
kind: Kind.OBJECT_TYPE_DEFINITION,
|
|
fields,
|
|
};
|
|
}
|
|
if (config.extensionASTNodes != null) {
|
|
config.extensionASTNodes = config.extensionASTNodes.map(node => ({
|
|
...node,
|
|
kind: Kind.OBJECT_TYPE_EXTENSION,
|
|
fields: undefined,
|
|
}));
|
|
}
|
|
return new GraphQLObjectType(config);
|
|
}
|
|
else if (isInterfaceType(type)) {
|
|
const config = type.toConfig();
|
|
if (config.astNode != null) {
|
|
const fields = [];
|
|
for (const fieldName in config.fields) {
|
|
const fieldConfig = config.fields[fieldName];
|
|
if (fieldConfig.astNode != null) {
|
|
fields.push(fieldConfig.astNode);
|
|
}
|
|
}
|
|
config.astNode = {
|
|
...config.astNode,
|
|
kind: Kind.INTERFACE_TYPE_DEFINITION,
|
|
fields,
|
|
};
|
|
}
|
|
if (config.extensionASTNodes != null) {
|
|
config.extensionASTNodes = config.extensionASTNodes.map(node => ({
|
|
...node,
|
|
kind: Kind.INTERFACE_TYPE_EXTENSION,
|
|
fields: undefined,
|
|
}));
|
|
}
|
|
return new GraphQLInterfaceType(config);
|
|
}
|
|
else if (isInputObjectType(type)) {
|
|
const config = type.toConfig();
|
|
if (config.astNode != null) {
|
|
const fields = [];
|
|
for (const fieldName in config.fields) {
|
|
const fieldConfig = config.fields[fieldName];
|
|
if (fieldConfig.astNode != null) {
|
|
fields.push(fieldConfig.astNode);
|
|
}
|
|
}
|
|
config.astNode = {
|
|
...config.astNode,
|
|
kind: Kind.INPUT_OBJECT_TYPE_DEFINITION,
|
|
fields,
|
|
};
|
|
}
|
|
if (config.extensionASTNodes != null) {
|
|
config.extensionASTNodes = config.extensionASTNodes.map(node => ({
|
|
...node,
|
|
kind: Kind.INPUT_OBJECT_TYPE_EXTENSION,
|
|
fields: undefined,
|
|
}));
|
|
}
|
|
return new GraphQLInputObjectType(config);
|
|
}
|
|
else if (isEnumType(type)) {
|
|
const config = type.toConfig();
|
|
if (config.astNode != null) {
|
|
const values = [];
|
|
for (const enumKey in config.values) {
|
|
const enumValueConfig = config.values[enumKey];
|
|
if (enumValueConfig.astNode != null) {
|
|
values.push(enumValueConfig.astNode);
|
|
}
|
|
}
|
|
config.astNode = {
|
|
...config.astNode,
|
|
values,
|
|
};
|
|
}
|
|
if (config.extensionASTNodes != null) {
|
|
config.extensionASTNodes = config.extensionASTNodes.map(node => ({
|
|
...node,
|
|
values: undefined,
|
|
}));
|
|
}
|
|
return new GraphQLEnumType(config);
|
|
}
|
|
else {
|
|
return type;
|
|
}
|
|
}
|