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@trpc/client

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The tRPC client library

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{"version":3,"file":"unstable-internals.mjs","names":[],"sources":["../src/internals/transformer.ts"],"sourcesContent":["import type {\n AnyClientTypes,\n CombinedDataTransformer,\n DataTransformerOptions,\n TypeError,\n} from '@trpc/server/unstable-core-do-not-import';\n\n/**\n * @internal\n */\nexport type CoercedTransformerParameters = {\n transformer?: DataTransformerOptions;\n};\n\ntype TransformerOptionYes = {\n /**\n * Data transformer\n *\n * You must use the same transformer on the backend and frontend\n * @see https://trpc.io/docs/v11/data-transformers\n **/\n transformer: DataTransformerOptions;\n};\ntype TransformerOptionNo = {\n /**\n * Data transformer\n *\n * You must use the same transformer on the backend and frontend\n * @see https://trpc.io/docs/v11/data-transformers\n **/\n transformer?: TypeError<'You must define a transformer on your your `initTRPC`-object first'>;\n};\n\n/**\n * @internal\n */\nexport type TransformerOptions<\n TRoot extends Pick<AnyClientTypes, 'transformer'>,\n> = TRoot['transformer'] extends true\n ? TransformerOptionYes\n : TransformerOptionNo;\n/**\n * @internal\n */\n\n/**\n * @internal\n */\nexport function getTransformer(\n transformer:\n | TransformerOptions<{ transformer: false }>['transformer']\n | TransformerOptions<{ transformer: true }>['transformer']\n | undefined,\n): CombinedDataTransformer {\n const _transformer =\n transformer as CoercedTransformerParameters['transformer'];\n if (!_transformer) {\n return {\n input: {\n serialize: (data) => data,\n deserialize: (data) => data,\n },\n output: {\n serialize: (data) => data,\n deserialize: (data) => data,\n },\n };\n }\n if ('input' in _transformer) {\n return _transformer;\n }\n return {\n input: _transformer,\n output: _transformer,\n };\n}\n"],"mappings":";;;;;;;AAgDA,SAAgB,eACd,aAIyB;CACzB,MAAM,eACJ;CACF,IAAI,CAAC,cACH,OAAO;EACL,OAAO;GACL,YAAY,SAAS;GACrB,cAAc,SAAS;EACzB;EACA,QAAQ;GACN,YAAY,SAAS;GACrB,cAAc,SAAS;EACzB;CACF;CAEF,IAAI,WAAW,cACb,OAAO;CAET,OAAO;EACL,OAAO;EACP,QAAQ;CACV;AACF"}