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[typescript-fetch] Fix default response signature #444

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[typescript-fetch] Fix default response signature #444

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13 changes: 9 additions & 4 deletions ...-code-generator/src/typescript/client/typescript-fetch/typescript-fetch-client-builder.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -79,10 +79,15 @@ export class TypescriptFetchClientBuilder extends AbstractClientBuilder {
const query = builder.query()
const headers = builder.headers({nullContentTypeValue: "undefined"})

const returnType = builder
.returnType()
.map(({statusType, responseType}) => {
return `Res<${statusType},${responseType}>`
const builderReturnType = builder.returnType()
const nonDefaultStatusTypes = builderReturnType
.filter(({isDefault}) => !isDefault)
.map(({statusType}) => statusType)
const returnType = builderReturnType
.map(({statusType, responseType, isDefault}) => {
return isDefault
? `Res<Exclude<StatusCode, ${nonDefaultStatusTypes.join(" | ")}>,${responseType}>`
: `Res<${statusType},${responseType}>`
})
.join(" | ")

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