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Allow configuration of the ofType introspection depth #4317

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Allow configuration of the ofType introspection depth #4317

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Update getIntrospectionQuery.ts to allow configuration of the type qu…
Nols1000 Dec 31, 2024
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Update template function to handle formatting
Nols1000 Jan 3, 2025
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Nols1000 Jan 12, 2025
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58 changes: 22 additions & 36 deletions src/utilities/getIntrospectionQuery.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,15 @@ export interface IntrospectionOptions {
* Default: false
*/
oneOf?: boolean;

/**
* How deep to recurse into nested types. Larger values will result in more
* accurate results, but have a higher load. Some servers might restrict the
* maximum query depth. If thats the case, try decreasing this value.
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*
* Default: 9
*/
typeDepth?: number;
}

/**
Expand All @@ -52,6 +61,7 @@ export function getIntrospectionQuery(options?: IntrospectionOptions): string {
schemaDescription: false,
inputValueDeprecation: false,
oneOf: false,
typeDepth: 9,
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so this default is a breaking change. If we want this to land in v16 then we should do Infinity and in v17 we can restrict the limits.

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@Nols1000 Nols1000 Jan 2, 2025 •
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Why is that a breaking change? The behaviour is exactly the same as before. Infinity would lead to an infinite recursive loop.

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@saihaj I think you may have misunderstood which depth this relates to - it's the ofType { ofType { ofType { ... } } } depth of the generated query. We couldn't set that to infinity.

...options,
};

Expand All @@ -70,6 +80,17 @@ export function getIntrospectionQuery(options?: IntrospectionOptions): string {
return optionsWithDefault.inputValueDeprecation ? str : '';
}
const oneOf = optionsWithDefault.oneOf ? 'isOneOf' : '';
function ofType(level = 9): string {
if (level <= 0) {
return '';
}
return `
ofType {
name
kind
${ofType(level - 1)}
}`;
}
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return `
query IntrospectionQuery {
Expand Down Expand Up @@ -140,42 +161,7 @@ export function getIntrospectionQuery(options?: IntrospectionOptions): string {
fragment TypeRef on __Type {
kind
name
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ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
}
}
}
}
}
}
}
}
}
${ofType(optionsWithDefault.typeDepth)}
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}
`;
}
Expand Down