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fix(tracing): Warn if resolvers is not defined in ApolloServer config #5850

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merged 2 commits into from Sep 29, 2022
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fix(tracing): Warn if resolvers is not defined in ApolloServer config #5850

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c24ae5a
fix(tracing): Warn if `resolvers` is not defined in `ApolloServer` co…
onurtemizkan Sep 28, 2022
efa7eb1
Add `__DEBUG_BUILD__` flags to Apollo / GraphQL integration logs.
onurtemizkan Sep 28, 2022
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17 changes: 16 additions & 1 deletion packages/tracing/src/integrations/node/apollo.ts
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Expand Up @@ -43,7 +43,22 @@ export class Apollo implements Integration {
* Iterate over resolvers of the ApolloServer instance before schemas are constructed.
*/
fill(pkg.ApolloServerBase.prototype, 'constructSchema', function (orig: () => unknown) {
return function (this: { config: { resolvers: ApolloModelResolvers[] } }) {
return function (this: { config: { resolvers?: ApolloModelResolvers[]; schema?: unknown; modules?: unknown } }) {
if (!this.config.resolvers) {
if (this.config.schema) {
logger.warn(
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We need the debug logging flag here!

'Apollo integration is not able to trace `ApolloServer` instances constructed via `schema` property.',
);
} else if (this.config.modules) {
logger.warn(
'Apollo integration is not able to trace `ApolloServer` instances constructed via `modules` property.',
);
}

logger.error('Skipping tracing as no resolvers found on the `ApolloServer` instance.');
return orig.call(this);
}

const resolvers = arrayify(this.config.resolvers);

this.config.resolvers = resolvers.map(model => {
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