@theguild/federation-composition
Version:
Open Source Composition library for Apollo Federation
48 lines (47 loc) • 1.95 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.FederatedLinkImport = void 0;
const graphql_1 = require("graphql");
class FederatedLinkImport {
name;
as;
constructor(name, as) {
this.name = name;
this.as = as;
}
toString() {
return this.as ? `{ name: "${this.name}", as: "${this.as}" }` : `"${this.name}"`;
}
static fromTypedefs(node) {
if (node.kind == graphql_1.Kind.LIST) {
const imports = node.values.map(v => {
if (v.kind === graphql_1.Kind.STRING) {
return new FederatedLinkImport(v.value, null);
}
if (v.kind === graphql_1.Kind.OBJECT) {
let name = '';
let as = null;
v.fields.forEach(f => {
if (f.name.value === 'name') {
if (f.value.kind !== graphql_1.Kind.STRING) {
throw new Error(`Expected string value for @link "name" field but got "${f.value.kind}"`);
}
name = f.value.value;
}
else if (f.name.value === 'as') {
if (f.value.kind !== graphql_1.Kind.STRING) {
throw new Error(`Expected string value for @link "as" field but got "${f.value.kind}"`);
}
as = f.value.value;
}
});
return new FederatedLinkImport(name, as);
}
throw new Error(`Unexpected value kind "${v.kind}" in @link import declaration`);
});
return imports;
}
throw new Error(`Expected a list of @link imports but got "${node.kind}"`);
}
}
exports.FederatedLinkImport = FederatedLinkImport;