@apollo/federation-internals
Version:
Apollo Federation internal utilities
55 lines • 3.58 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.COST_VERSIONS = exports.CostSpecDefinition = exports.costIdentity = void 0;
const graphql_1 = require("graphql");
const directiveAndTypeSpecification_1 = require("../directiveAndTypeSpecification");
const coreSpec_1 = require("./coreSpec");
const definitions_1 = require("../definitions");
const knownCoreFeatures_1 = require("../knownCoreFeatures");
const argumentCompositionStrategies_1 = require("../argumentCompositionStrategies");
exports.costIdentity = 'https://specs.apollo.dev/cost';
class CostSpecDefinition extends coreSpec_1.FeatureDefinition {
constructor(version, minimumFederationVersion) {
super(new coreSpec_1.FeatureUrl(exports.costIdentity, 'cost', version), minimumFederationVersion);
this.minimumFederationVersion = minimumFederationVersion;
this.registerDirective((0, directiveAndTypeSpecification_1.createDirectiveSpecification)({
name: 'cost',
locations: [
graphql_1.DirectiveLocation.ARGUMENT_DEFINITION,
graphql_1.DirectiveLocation.ENUM,
graphql_1.DirectiveLocation.FIELD_DEFINITION,
graphql_1.DirectiveLocation.INPUT_FIELD_DEFINITION,
graphql_1.DirectiveLocation.OBJECT,
graphql_1.DirectiveLocation.SCALAR
],
args: [{ name: 'weight', type: (schema) => new definitions_1.NonNullType(schema.intType()), compositionStrategy: argumentCompositionStrategies_1.ARGUMENT_COMPOSITION_STRATEGIES.MAX }],
composes: true,
repeatable: false,
supergraphSpecification: (fedVersion) => exports.COST_VERSIONS.getMinimumRequiredVersion(fedVersion),
}));
this.registerDirective((0, directiveAndTypeSpecification_1.createDirectiveSpecification)({
name: 'listSize',
locations: [graphql_1.DirectiveLocation.FIELD_DEFINITION],
args: [
{ name: 'assumedSize', type: (schema) => schema.intType(), compositionStrategy: argumentCompositionStrategies_1.ARGUMENT_COMPOSITION_STRATEGIES.NULLABLE_MAX },
{ name: 'slicingArguments', type: (schema) => new definitions_1.ListType(new definitions_1.NonNullType(schema.stringType())), compositionStrategy: argumentCompositionStrategies_1.ARGUMENT_COMPOSITION_STRATEGIES.NULLABLE_UNION },
{ name: 'sizedFields', type: (schema) => new definitions_1.ListType(new definitions_1.NonNullType(schema.stringType())), compositionStrategy: argumentCompositionStrategies_1.ARGUMENT_COMPOSITION_STRATEGIES.NULLABLE_UNION },
{ name: 'requireOneSlicingArgument', type: (schema) => schema.booleanType(), defaultValue: true, compositionStrategy: argumentCompositionStrategies_1.ARGUMENT_COMPOSITION_STRATEGIES.NULLABLE_AND },
],
composes: true,
repeatable: false,
supergraphSpecification: (fedVersion) => exports.COST_VERSIONS.getMinimumRequiredVersion(fedVersion)
}));
}
costDirective(schema) {
return this.directive(schema, 'cost');
}
listSizeDirective(schema) {
return this.directive(schema, 'listSize');
}
}
exports.CostSpecDefinition = CostSpecDefinition;
exports.COST_VERSIONS = new coreSpec_1.FeatureDefinitions(exports.costIdentity)
.add(new CostSpecDefinition(new coreSpec_1.FeatureVersion(0, 1), new coreSpec_1.FeatureVersion(2, 9)));
(0, knownCoreFeatures_1.registerKnownFeature)(exports.COST_VERSIONS);
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