@theguild/federation-composition
Version:
Open Source Composition library for Apollo Federation
40 lines (39 loc) • 1.77 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.LinkImportNameMismatchRule = LinkImportNameMismatchRule;
const graphql_1 = require("graphql");
const format_js_1 = require("../../../utils/format.js");
function LinkImportNameMismatchRule(context) {
const namesToSubgraphs = new Map();
const namesToCheck = ['@cost', '@listSize'];
for (const [subgraphId, subgraphState] of context.subgraphStates) {
for (const imp of subgraphState.federation.imports) {
if (!namesToCheck.includes(imp.name)) {
continue;
}
let existing = namesToSubgraphs.get(imp.name);
if (!existing) {
namesToSubgraphs.set(imp.name, new Map());
existing = namesToSubgraphs.get(imp.name);
}
const name = imp.alias ?? imp.name;
let existingName = existing.get(name);
if (!Array.isArray(existingName)) {
existing.set(name, []);
existingName = existing.get(name);
}
existingName.push(subgraphId);
}
}
for (const [originalName, aliases] of namesToSubgraphs) {
if (aliases.size <= 1) {
continue;
}
context.reportError(new graphql_1.GraphQLError(`The import name "${originalName}" is imported with mismatched name between subgraphs: it is imported as ` +
(0, format_js_1.andList)(Array.from(aliases).map(([name, subgraphIds]) => ` "${name}" in subgraph${subgraphIds.length > 1 ? 's' : ''} ${(0, format_js_1.andList)(subgraphIds.map(context.graphIdToName), false, '"')}`)), {
extensions: {
code: 'LINK_IMPORT_NAME_MISMATCH',
},
}));
}
}