@apollo/federation
Version:
Apollo Federation Utilities
48 lines • 3.37 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.providesNotOnEntity = void 0;
const graphql_1 = require("graphql");
const utils_1 = require("../../utils");
const providesNotOnEntity = ({ schema, serviceList }) => {
var _a, _b;
const errors = [];
const types = schema.getTypeMap();
for (const [typeName, namedType] of Object.entries(types)) {
if (!(0, graphql_1.isObjectType)(namedType))
continue;
for (const [fieldName, field] of Object.entries(namedType.getFields())) {
const fieldFederationMetadata = (0, utils_1.getFederationMetadata)(field);
const serviceName = fieldFederationMetadata === null || fieldFederationMetadata === void 0 ? void 0 : fieldFederationMetadata.serviceName;
if (!serviceName &&
(fieldFederationMetadata === null || fieldFederationMetadata === void 0 ? void 0 : fieldFederationMetadata.provides) &&
!(fieldFederationMetadata === null || fieldFederationMetadata === void 0 ? void 0 : fieldFederationMetadata.belongsToValueType))
throw Error('Internal Consistency Error: field with provides information does not have service name.');
if (!serviceName)
continue;
const getBaseType = (type) => (0, graphql_1.isListType)(type) || (0, graphql_1.isNonNullType)(type)
? getBaseType(type.ofType)
: type;
const baseType = getBaseType(field.type);
if (fieldFederationMetadata === null || fieldFederationMetadata === void 0 ? void 0 : fieldFederationMetadata.provides) {
const typeNode = (0, utils_1.findTypeNodeInServiceList)(typeName, serviceName, serviceList);
const fieldNode = typeNode && 'fields' in typeNode ?
(_a = typeNode.fields) === null || _a === void 0 ? void 0 : _a.find(field => field.name.value === fieldName) : undefined;
const providesDirectiveNode = (0, utils_1.findDirectivesOnNode)(fieldNode, 'provides');
if (!(0, graphql_1.isObjectType)(baseType)) {
errors.push((0, utils_1.errorWithCode)('PROVIDES_NOT_ON_ENTITY', (0, utils_1.logServiceAndType)(serviceName, typeName, fieldName) +
`uses the @provides directive but \`${typeName}.${fieldName}\` returns \`${field.type}\`, which is not an Object or List type. @provides can only be used on Object types with at least one @key, or Lists of such Objects.`, providesDirectiveNode));
continue;
}
const fieldType = types[baseType.name];
const selectedFieldIsEntity = (_b = (0, utils_1.getFederationMetadata)(fieldType)) === null || _b === void 0 ? void 0 : _b.keys;
if (!selectedFieldIsEntity) {
errors.push((0, utils_1.errorWithCode)('PROVIDES_NOT_ON_ENTITY', (0, utils_1.logServiceAndType)(serviceName, typeName, fieldName) +
`uses the @provides directive but \`${typeName}.${fieldName}\` does not return a type that has a @key. Try adding a @key to the \`${baseType}\` type.`, providesDirectiveNode));
}
}
}
}
return errors;
};
exports.providesNotOnEntity = providesNotOnEntity;
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