352 lines
14 KiB
JavaScript
352 lines
14 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.extendSchema = extendSchema;
|
|
|
|
var _flatMap = _interopRequireDefault(require("../polyfills/flatMap"));
|
|
|
|
var _objectValues = _interopRequireDefault(require("../polyfills/objectValues"));
|
|
|
|
var _inspect = _interopRequireDefault(require("../jsutils/inspect"));
|
|
|
|
var _mapValue = _interopRequireDefault(require("../jsutils/mapValue"));
|
|
|
|
var _invariant = _interopRequireDefault(require("../jsutils/invariant"));
|
|
|
|
var _devAssert = _interopRequireDefault(require("../jsutils/devAssert"));
|
|
|
|
var _keyValMap = _interopRequireDefault(require("../jsutils/keyValMap"));
|
|
|
|
var _kinds = require("../language/kinds");
|
|
|
|
var _predicates = require("../language/predicates");
|
|
|
|
var _validate = require("../validation/validate");
|
|
|
|
var _directives = require("../type/directives");
|
|
|
|
var _scalars = require("../type/scalars");
|
|
|
|
var _introspection = require("../type/introspection");
|
|
|
|
var _schema = require("../type/schema");
|
|
|
|
var _definition = require("../type/definition");
|
|
|
|
var _buildASTSchema = require("./buildASTSchema");
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
|
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
|
|
|
|
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
|
|
|
|
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
|
|
|
|
/**
|
|
* Produces a new schema given an existing schema and a document which may
|
|
* contain GraphQL type extensions and definitions. The original schema will
|
|
* remain unaltered.
|
|
*
|
|
* Because a schema represents a graph of references, a schema cannot be
|
|
* extended without effectively making an entire copy. We do not know until it's
|
|
* too late if subgraphs remain unchanged.
|
|
*
|
|
* This algorithm copies the provided schema, applying extensions while
|
|
* producing the copy. The original schema remains unaltered.
|
|
*
|
|
* Accepts options as a third argument:
|
|
*
|
|
* - commentDescriptions:
|
|
* Provide true to use preceding comments as the description.
|
|
*
|
|
*/
|
|
function extendSchema(schema, documentAST, options) {
|
|
(0, _schema.assertSchema)(schema);
|
|
documentAST && documentAST.kind === _kinds.Kind.DOCUMENT || (0, _devAssert.default)(0, 'Must provide valid Document AST');
|
|
|
|
if (!options || !(options.assumeValid || options.assumeValidSDL)) {
|
|
(0, _validate.assertValidSDLExtension)(documentAST, schema);
|
|
} // Collect the type definitions and extensions found in the document.
|
|
|
|
|
|
var typeDefs = [];
|
|
var typeExtsMap = Object.create(null); // New directives and types are separate because a directives and types can
|
|
// have the same name. For example, a type named "skip".
|
|
|
|
var directiveDefs = [];
|
|
var schemaDef; // Schema extensions are collected which may add additional operation types.
|
|
|
|
var schemaExts = [];
|
|
|
|
for (var _i2 = 0, _documentAST$definiti2 = documentAST.definitions; _i2 < _documentAST$definiti2.length; _i2++) {
|
|
var def = _documentAST$definiti2[_i2];
|
|
|
|
if (def.kind === _kinds.Kind.SCHEMA_DEFINITION) {
|
|
schemaDef = def;
|
|
} else if (def.kind === _kinds.Kind.SCHEMA_EXTENSION) {
|
|
schemaExts.push(def);
|
|
} else if ((0, _predicates.isTypeDefinitionNode)(def)) {
|
|
typeDefs.push(def);
|
|
} else if ((0, _predicates.isTypeExtensionNode)(def)) {
|
|
var extendedTypeName = def.name.value;
|
|
var existingTypeExts = typeExtsMap[extendedTypeName];
|
|
typeExtsMap[extendedTypeName] = existingTypeExts ? existingTypeExts.concat([def]) : [def];
|
|
} else if (def.kind === _kinds.Kind.DIRECTIVE_DEFINITION) {
|
|
directiveDefs.push(def);
|
|
}
|
|
} // If this document contains no new types, extensions, or directives then
|
|
// return the same unmodified GraphQLSchema instance.
|
|
|
|
|
|
if (Object.keys(typeExtsMap).length === 0 && typeDefs.length === 0 && directiveDefs.length === 0 && schemaExts.length === 0 && !schemaDef) {
|
|
return schema;
|
|
}
|
|
|
|
var schemaConfig = schema.toConfig();
|
|
var astBuilder = new _buildASTSchema.ASTDefinitionBuilder(options, function (typeName) {
|
|
var type = typeMap[typeName];
|
|
|
|
if (type === undefined) {
|
|
throw new Error("Unknown type: \"".concat(typeName, "\"."));
|
|
}
|
|
|
|
return type;
|
|
});
|
|
var typeMap = (0, _keyValMap.default)(typeDefs, function (node) {
|
|
return node.name.value;
|
|
}, function (node) {
|
|
return astBuilder.buildType(node);
|
|
});
|
|
|
|
for (var _i4 = 0, _schemaConfig$types2 = schemaConfig.types; _i4 < _schemaConfig$types2.length; _i4++) {
|
|
var existingType = _schemaConfig$types2[_i4];
|
|
typeMap[existingType.name] = extendNamedType(existingType);
|
|
} // Get the extended root operation types.
|
|
|
|
|
|
var operationTypes = {
|
|
query: schemaConfig.query && schemaConfig.query.name,
|
|
mutation: schemaConfig.mutation && schemaConfig.mutation.name,
|
|
subscription: schemaConfig.subscription && schemaConfig.subscription.name
|
|
};
|
|
|
|
if (schemaDef) {
|
|
for (var _i6 = 0, _schemaDef$operationT2 = schemaDef.operationTypes; _i6 < _schemaDef$operationT2.length; _i6++) {
|
|
var _ref2 = _schemaDef$operationT2[_i6];
|
|
var operation = _ref2.operation;
|
|
var type = _ref2.type;
|
|
operationTypes[operation] = type.name.value;
|
|
}
|
|
} // Then, incorporate schema definition and all schema extensions.
|
|
|
|
|
|
for (var _i8 = 0; _i8 < schemaExts.length; _i8++) {
|
|
var schemaExt = schemaExts[_i8];
|
|
|
|
if (schemaExt.operationTypes) {
|
|
for (var _i10 = 0, _schemaExt$operationT2 = schemaExt.operationTypes; _i10 < _schemaExt$operationT2.length; _i10++) {
|
|
var _ref4 = _schemaExt$operationT2[_i10];
|
|
var _operation = _ref4.operation;
|
|
var _type = _ref4.type;
|
|
operationTypes[_operation] = _type.name.value;
|
|
}
|
|
}
|
|
} // Support both original legacy names and extended legacy names.
|
|
|
|
|
|
var allowedLegacyNames = schemaConfig.allowedLegacyNames.concat(options && options.allowedLegacyNames || []); // Then produce and return a Schema with these types.
|
|
|
|
return new _schema.GraphQLSchema({
|
|
// Note: While this could make early assertions to get the correctly
|
|
// typed values, that would throw immediately while type system
|
|
// validation with validateSchema() will produce more actionable results.
|
|
query: getMaybeTypeByName(operationTypes.query),
|
|
mutation: getMaybeTypeByName(operationTypes.mutation),
|
|
subscription: getMaybeTypeByName(operationTypes.subscription),
|
|
types: (0, _objectValues.default)(typeMap),
|
|
directives: getMergedDirectives(),
|
|
astNode: schemaDef || schemaConfig.astNode,
|
|
extensionASTNodes: schemaConfig.extensionASTNodes.concat(schemaExts),
|
|
allowedLegacyNames: allowedLegacyNames
|
|
}); // Below are functions used for producing this schema that have closed over
|
|
// this scope and have access to the schema, cache, and newly defined types.
|
|
|
|
function replaceType(type) {
|
|
if ((0, _definition.isListType)(type)) {
|
|
return new _definition.GraphQLList(replaceType(type.ofType));
|
|
} else if ((0, _definition.isNonNullType)(type)) {
|
|
return new _definition.GraphQLNonNull(replaceType(type.ofType));
|
|
}
|
|
|
|
return replaceNamedType(type);
|
|
}
|
|
|
|
function replaceNamedType(type) {
|
|
return typeMap[type.name];
|
|
}
|
|
|
|
function getMaybeTypeByName(typeName) {
|
|
return typeName ? typeMap[typeName] : null;
|
|
}
|
|
|
|
function getMergedDirectives() {
|
|
var existingDirectives = schema.getDirectives().map(extendDirective);
|
|
existingDirectives || (0, _devAssert.default)(0, 'schema must have default directives');
|
|
return existingDirectives.concat(directiveDefs.map(function (node) {
|
|
return astBuilder.buildDirective(node);
|
|
}));
|
|
}
|
|
|
|
function extendNamedType(type) {
|
|
if ((0, _introspection.isIntrospectionType)(type) || (0, _scalars.isSpecifiedScalarType)(type)) {
|
|
// Builtin types are not extended.
|
|
return type;
|
|
} else if ((0, _definition.isScalarType)(type)) {
|
|
return extendScalarType(type);
|
|
} else if ((0, _definition.isObjectType)(type)) {
|
|
return extendObjectType(type);
|
|
} else if ((0, _definition.isInterfaceType)(type)) {
|
|
return extendInterfaceType(type);
|
|
} else if ((0, _definition.isUnionType)(type)) {
|
|
return extendUnionType(type);
|
|
} else if ((0, _definition.isEnumType)(type)) {
|
|
return extendEnumType(type);
|
|
} else if ((0, _definition.isInputObjectType)(type)) {
|
|
return extendInputObjectType(type);
|
|
} // Not reachable. All possible types have been considered.
|
|
|
|
|
|
/* istanbul ignore next */
|
|
(0, _invariant.default)(false, 'Unexpected type: ' + (0, _inspect.default)(type));
|
|
}
|
|
|
|
function extendDirective(directive) {
|
|
var config = directive.toConfig();
|
|
return new _directives.GraphQLDirective(_objectSpread({}, config, {
|
|
args: (0, _mapValue.default)(config.args, extendArg)
|
|
}));
|
|
}
|
|
|
|
function extendInputObjectType(type) {
|
|
var config = type.toConfig();
|
|
var extensions = typeExtsMap[config.name] || [];
|
|
var fieldNodes = (0, _flatMap.default)(extensions, function (node) {
|
|
return node.fields || [];
|
|
});
|
|
return new _definition.GraphQLInputObjectType(_objectSpread({}, config, {
|
|
fields: function fields() {
|
|
return _objectSpread({}, (0, _mapValue.default)(config.fields, function (field) {
|
|
return _objectSpread({}, field, {
|
|
type: replaceType(field.type)
|
|
});
|
|
}), {}, (0, _keyValMap.default)(fieldNodes, function (field) {
|
|
return field.name.value;
|
|
}, function (field) {
|
|
return astBuilder.buildInputField(field);
|
|
}));
|
|
},
|
|
extensionASTNodes: config.extensionASTNodes.concat(extensions)
|
|
}));
|
|
}
|
|
|
|
function extendEnumType(type) {
|
|
var config = type.toConfig();
|
|
var extensions = typeExtsMap[type.name] || [];
|
|
var valueNodes = (0, _flatMap.default)(extensions, function (node) {
|
|
return node.values || [];
|
|
});
|
|
return new _definition.GraphQLEnumType(_objectSpread({}, config, {
|
|
values: _objectSpread({}, config.values, {}, (0, _keyValMap.default)(valueNodes, function (value) {
|
|
return value.name.value;
|
|
}, function (value) {
|
|
return astBuilder.buildEnumValue(value);
|
|
})),
|
|
extensionASTNodes: config.extensionASTNodes.concat(extensions)
|
|
}));
|
|
}
|
|
|
|
function extendScalarType(type) {
|
|
var config = type.toConfig();
|
|
var extensions = typeExtsMap[config.name] || [];
|
|
return new _definition.GraphQLScalarType(_objectSpread({}, config, {
|
|
extensionASTNodes: config.extensionASTNodes.concat(extensions)
|
|
}));
|
|
}
|
|
|
|
function extendObjectType(type) {
|
|
var config = type.toConfig();
|
|
var extensions = typeExtsMap[config.name] || [];
|
|
var interfaceNodes = (0, _flatMap.default)(extensions, function (node) {
|
|
return node.interfaces || [];
|
|
});
|
|
var fieldNodes = (0, _flatMap.default)(extensions, function (node) {
|
|
return node.fields || [];
|
|
});
|
|
return new _definition.GraphQLObjectType(_objectSpread({}, config, {
|
|
interfaces: function interfaces() {
|
|
return [].concat(type.getInterfaces().map(replaceNamedType), interfaceNodes.map(function (node) {
|
|
return astBuilder.getNamedType(node);
|
|
}));
|
|
},
|
|
fields: function fields() {
|
|
return _objectSpread({}, (0, _mapValue.default)(config.fields, extendField), {}, (0, _keyValMap.default)(fieldNodes, function (node) {
|
|
return node.name.value;
|
|
}, function (node) {
|
|
return astBuilder.buildField(node);
|
|
}));
|
|
},
|
|
extensionASTNodes: config.extensionASTNodes.concat(extensions)
|
|
}));
|
|
}
|
|
|
|
function extendInterfaceType(type) {
|
|
var config = type.toConfig();
|
|
var extensions = typeExtsMap[config.name] || [];
|
|
var fieldNodes = (0, _flatMap.default)(extensions, function (node) {
|
|
return node.fields || [];
|
|
});
|
|
return new _definition.GraphQLInterfaceType(_objectSpread({}, config, {
|
|
fields: function fields() {
|
|
return _objectSpread({}, (0, _mapValue.default)(config.fields, extendField), {}, (0, _keyValMap.default)(fieldNodes, function (node) {
|
|
return node.name.value;
|
|
}, function (node) {
|
|
return astBuilder.buildField(node);
|
|
}));
|
|
},
|
|
extensionASTNodes: config.extensionASTNodes.concat(extensions)
|
|
}));
|
|
}
|
|
|
|
function extendUnionType(type) {
|
|
var config = type.toConfig();
|
|
var extensions = typeExtsMap[config.name] || [];
|
|
var typeNodes = (0, _flatMap.default)(extensions, function (node) {
|
|
return node.types || [];
|
|
});
|
|
return new _definition.GraphQLUnionType(_objectSpread({}, config, {
|
|
types: function types() {
|
|
return [].concat(type.getTypes().map(replaceNamedType), typeNodes.map(function (node) {
|
|
return astBuilder.getNamedType(node);
|
|
}));
|
|
},
|
|
extensionASTNodes: config.extensionASTNodes.concat(extensions)
|
|
}));
|
|
}
|
|
|
|
function extendField(field) {
|
|
return _objectSpread({}, field, {
|
|
type: replaceType(field.type),
|
|
args: (0, _mapValue.default)(field.args, extendArg)
|
|
});
|
|
}
|
|
|
|
function extendArg(arg) {
|
|
return _objectSpread({}, arg, {
|
|
type: replaceType(arg.type)
|
|
});
|
|
}
|
|
}
|