@theguild/federation-composition
Version:
Open Source Composition library for Apollo Federation
33 lines (32 loc) • 1.96 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ExternalArgumentMissingRule = ExternalArgumentMissingRule;
const graphql_1 = require("graphql");
function ExternalArgumentMissingRule(context) {
return {
ObjectTypeFieldArg(objectState, fieldState, argState) {
if (argState.byGraph.size === 1 && fieldState.byGraph.size === argState.byGraph.size) {
return;
}
if (fieldState.byGraph.size === argState.byGraph.size) {
return;
}
const graphsWithRequiredArg = Array.from(argState.byGraph)
.filter(([graph, arg]) => fieldState.byGraph.get(graph)?.external !== true)
.map(([graph]) => graph);
const externalGraphsWithoutArg = Array.from(fieldState.byGraph.keys()).filter(graph => !argState.byGraph.has(graph) && fieldState.byGraph.get(graph)?.external === true);
if (!externalGraphsWithoutArg.length) {
return;
}
const requiredIn = `subgraph${graphsWithRequiredArg.length > 1 ? 's' : ''} "${graphsWithRequiredArg.map(context.graphIdToName).join('", "')}"`;
const missingIn = `subgraph${externalGraphsWithoutArg.length > 1 ? 's' : ''} "${externalGraphsWithoutArg.map(context.graphIdToName).join('", "')}"`;
const fieldCoordinate = `${objectState.name}.${fieldState.name}`;
const argCoordinate = `${objectState.name}.${fieldState.name}(${argState.name}:)`;
context.reportError(new graphql_1.GraphQLError(`Field "${fieldCoordinate}" is missing argument "${argCoordinate}" in some subgraphs where it is marked @external: argument "${argCoordinate}" is declared in ${requiredIn} but not in ${missingIn} (where "${fieldCoordinate}" is @external)`, {
extensions: {
code: 'EXTERNAL_ARGUMENT_MISSING',
},
}));
},
};
}