@cardbrother/up-fetch/dist/index.cjs.map

Advanced fetch client builder for typescript.

{"version":3,"sources":["../src/index.ts","../src/response-error.ts","../src/validation-error.ts","../src/utils.ts","../src/fallback-options.ts","../src/resolve-options.ts","../src/up.ts"],"sourcesContent":["export { up } from './up'\nexport type { FetcherOptions, DefaultOptions, ResolvedOptions } from './types'\nexport { ResponseError, isResponseError } from './response-error'\nexport { type ValidationError, isValidationError } from './validation-error'\nexport { isJsonifiable } from './utils'\n","import type { BaseFetchFn, ResolvedOptions } from './types'\n\nexport class ResponseError<\n   TData = any,\n   TFetchFn extends BaseFetchFn = typeof fetch,\n> extends Error {\n   override name: 'ResponseError'\n   response: Response\n   options: ResolvedOptions<TFetchFn>\n   data: TData\n   status: number\n\n   constructor(res: Response, data: TData, options: ResolvedOptions<TFetchFn>) {\n      super(`Request failed with status ${res.status}`)\n      this.data = data\n      this.name = 'ResponseError'\n      this.response = res\n      this.status = res.status\n      this.options = options\n   }\n}\n\nexport let isResponseError = <\n   TData = any,\n   TFetchFn extends BaseFetchFn = typeof fetch,\n>(\n   error: any,\n): error is ResponseError<TData, TFetchFn> => error instanceof ResponseError\n","import type { StandardSchemaV1 } from '@standard-schema/spec'\n\nexport class ValidationError<TData = any> extends Error {\n   override name: 'ValidationError'\n   issues: readonly StandardSchemaV1.Issue[]\n   data: TData\n\n   constructor(result: StandardSchemaV1.FailureResult, data: TData) {\n      super('Validation error')\n      this.name = 'ValidationError'\n      this.issues = result.issues\n      this.data = data\n   }\n}\n\nexport let isValidationError = (error: any): error is ValidationError =>\n   error instanceof ValidationError\n","import type { StandardSchemaV1 } from '@standard-schema/spec'\nimport type {\n   Params,\n   RawHeaders,\n   JsonifiableObject,\n   JsonifiableArray,\n} from './types'\nimport { ValidationError } from './validation-error'\n\nexport let mergeHeaders = (...headerInits: (RawHeaders | undefined)[]) => {\n   let res: Record<string, string> = {}\n   headerInits.forEach((init) => {\n      // casting `init` to `HeadersInit` because `Record<string, any>` is\n      // properly transformed to `Record<string,string>` by `new Headers(init)`\n      new Headers(init as HeadersInit | undefined).forEach((value, key) => {\n         if (value === 'null' || value === 'undefined') {\n            delete res[key]\n         } else {\n            res[key] = value\n         }\n      })\n   })\n   return res\n}\n\nexport let mergeSignal = (\n   signal: AbortSignal | undefined,\n   timeout: number | undefined,\n): AbortSignal | undefined =>\n   // if AbortSignal.any is not supported\n   //  AbortSignal.timeout is not supported either\n   'any' in AbortSignal\n      ? AbortSignal.any(\n           [signal, timeout && AbortSignal.timeout(timeout)].filter(\n              Boolean,\n           ) as AbortSignal[],\n        )\n      : signal\n\nexport let resolveParams = (\n   defaultParams: Params | undefined,\n   input: unknown,\n   fetcherParams: Params | undefined,\n): Params =>\n   typeof input !== 'string'\n      ? {} // an input of type Request cannot use the \"params\" option\n      : stripUndefined({\n           // Removing the 'url.searchParams.keys()' from the defaultParams\n           // but not from the 'fetcherParams'. The user is responsible for not\n           // specifying the params in both the \"input\" and the fetcher \"params\" option.\n           ...omit(defaultParams, [\n              ...new URL(input, 'http://a').searchParams.keys(),\n           ]),\n           ...fetcherParams,\n        })\n\ntype KeyOf<O> = O extends unknown ? keyof O : never\n\nexport type DistributiveOmit<\n   TObject extends object,\n   TKey extends KeyOf<TObject> | (string & {}),\n> = TObject extends unknown ? Omit<TObject, TKey> : never\n\nexport type MaybePromise<T> = T | Promise<T>\n\nexport let omit = <O extends object, K extends KeyOf<O> | (string & {})>(\n   obj?: O,\n   keys: K[] | readonly K[] = [],\n): DistributiveOmit<O, K> => {\n   let copy = { ...obj } as DistributiveOmit<O, K>\n   for (let key in copy) {\n      if (keys.includes(key as any as K)) delete copy[key]\n   }\n   return copy\n}\n\nexport let stripUndefined = <O extends object>(obj?: O): O => {\n   let copy = { ...obj } as O\n   for (let key in copy) {\n      if (copy[key] === undefined) delete copy[key]\n   }\n   return copy\n}\n\nexport let isJsonifiable = (\n   value: any,\n): value is JsonifiableObject | JsonifiableArray => {\n   // bun FormData has a toJSON method\n   if (!value || typeof value !== 'object' || value instanceof FormData)\n      return false\n   return (\n      // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n      value?.constructor?.name === 'Object' ||\n      Array.isArray(value) ||\n      // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n      typeof value?.toJSON === 'function'\n   )\n}\n\nexport let emptyOptions: any = {}\n\nexport function getUrl(\n   base: string | undefined = '',\n   input: unknown,\n   queryString: string,\n): any {\n   if (typeof input !== 'string') return input\n   let url = /^https?:\\/\\//.test(input)\n      ? input\n      : !base || !input\n        ? base + input\n        : base.replace(/\\/$/, '') + '/' + input.replace(/^\\//, '')\n\n   if (queryString) {\n      url += (url.includes('?') ? '&' : '?') + queryString.replace(/^\\?/, '')\n   }\n   return url\n}\n\nexport async function validate<TSchema extends StandardSchemaV1>(\n   schema: TSchema,\n   data: StandardSchemaV1.InferInput<TSchema>,\n): Promise<StandardSchemaV1.InferOutput<TSchema>> {\n   let result = await schema['~standard'].validate(data)\n   if (result.issues) throw new ValidationError(result, data)\n   return result.value\n}\n\n\nexport function isPromise(f: any): boolean {\n   const fnContent = f.toString();\n   return Object.prototype.toString.call(f) === '[object AsyncFunction]' || fnContent.includes(\"return _regenerator.default.async(function\")\n}","import { ResponseError } from './response-error'\nimport type { FallbackOptions } from './types'\nimport { isJsonifiable } from './utils'\n\nexport let fallbackOptions: FallbackOptions<any> = {\n   parseResponse: (res) =>\n      res\n         .clone()\n         .json()\n         .catch(() => res.text())\n         .then((data) => data || null),\n\n   parseRejected: async (res, options) =>\n      new ResponseError(\n         res,\n         await fallbackOptions.parseResponse(res, options),\n         options,\n      ),\n\n   // TODO: find a lighter way to do this with about the same amount of code\n   serializeParams: (params) =>\n      // JSON.parse(JSON.stringify(params)) recursively transforms Dates to ISO strings and strips undefined\n      new URLSearchParams(\n         JSON.parse(JSON.stringify(params)) as Record<string, string>,\n      ).toString(),\n\n   serializeBody: (body: any) =>\n      isJsonifiable(body) ? JSON.stringify(body) : body,\n\n   reject: (response) => !response.ok,\n}\n","import type {\n   ResolvedOptions,\n   FetcherOptions,\n   DefaultOptions,\n   BaseFetchFn,\n   Interceptors,\n   FallbackOptions,\n} from './types'\nimport { fallbackOptions } from './fallback-options'\nimport {\n   resolveParams,\n   isJsonifiable,\n   mergeHeaders,\n   omit,\n   emptyOptions,\n   getUrl,\n   stripUndefined,\n   mergeSignal,\n} from './utils'\nimport type { StandardSchemaV1 } from '@standard-schema/spec'\n\nexport let interceptors: Interceptors = ['onRequest', 'onSuccess', 'onError']\n\nexport let resolveOptions = <\n   TFetchFn extends BaseFetchFn,\n   TParsedData,\n   TSchema extends StandardSchemaV1,\n   TRawBody,\n>(\n   input: Parameters<TFetchFn>[0], // fetch 1st arg\n   defaultOptions: DefaultOptions<TFetchFn, any, any> = emptyOptions,\n   fetcherOpts: FetcherOptions<\n      TFetchFn,\n      TSchema,\n      TParsedData,\n      TRawBody\n   > = emptyOptions,\n): ResolvedOptions<TFetchFn, TSchema, TParsedData> => {\n   // transform URL to string right away\n   input = input?.href ?? input\n   let mergedOptions = {\n      ...(fallbackOptions as FallbackOptions<TFetchFn>),\n      ...defaultOptions,\n      ...fetcherOpts,\n   }\n   let rawBody = fetcherOpts.body\n   let params = resolveParams(defaultOptions.params, input, fetcherOpts.params)\n\n   let body: BodyInit | null | undefined =\n      rawBody === null || rawBody === undefined\n         ? (rawBody as null | undefined)\n         : mergedOptions.serializeBody(rawBody)\n\n   mergedOptions.parseResponseError &&\n      renamingDeprecation('parseResponseError', 'parseRejected')\n   mergedOptions.throwResponseError &&\n      renamingDeprecation('throwResponseError', 'reject')\n\n   return stripUndefined({\n      // I have to cast as mergedOptions because the type breaks with omit\n      ...(omit(mergedOptions, interceptors) as typeof mergedOptions),\n      params,\n      rawBody,\n      body,\n      signal: mergeSignal(mergedOptions.signal, mergedOptions.timeout),\n      headers: mergeHeaders(\n         isJsonifiable(rawBody) && typeof body === 'string'\n            ? { 'content-type': 'application/json' }\n            : {},\n         defaultOptions.headers,\n         fetcherOpts.headers,\n      ),\n      // throwResponseError will be renamed reject in v2.0\n      reject:\n         fetcherOpts.reject ??\n         fetcherOpts.throwResponseError ??\n         defaultOptions.reject ??\n         defaultOptions.throwResponseError ??\n         fallbackOptions.reject,\n      // parseResponseError will be renamed parseRejected in v2.0\n      parseRejected:\n         fetcherOpts.parseRejected ??\n         fetcherOpts.parseResponseError ??\n         defaultOptions.parseRejected ??\n         defaultOptions.parseResponseError ??\n         fallbackOptions.parseRejected,\n      input: getUrl(\n         mergedOptions.baseUrl,\n         input,\n         mergedOptions.serializeParams(params),\n      ),\n   })\n}\n\nfunction renamingDeprecation(oldName: string, newName: string) {\n   // eslint-disable-next-line no-console\n   console.warn(\n      `Deprecation warning: \\`${oldName}\\` will be renamed \\`${newName}\\` in v2.0`,\n   )\n}\n","import type { StandardSchemaV1 } from '@standard-schema/spec'\nimport { resolveOptions } from './resolve-options'\nimport type {\n   FetcherOptions,\n   DefaultOptions,\n   BaseFetchFn,\n   FallbackOptions,\n} from './types'\nimport { emptyOptions, validate } from './utils'\n\n\n\nexport function up<\n   TFetchFn extends BaseFetchFn,\n   TDefaultParsedData = any,\n   TDefaultRawBody = Parameters<FallbackOptions<any>['serializeBody']>[0],\n>(\n   fetchFn: TFetchFn,\n   getDefaultOptions: (\n      input: Parameters<TFetchFn>[0],\n      fetcherOpts: FetcherOptions<TFetchFn, any, any, any>,\n      ctx?: Parameters<TFetchFn>[2],\n   ) => DefaultOptions<TFetchFn, TDefaultParsedData, TDefaultRawBody> = () =>\n      emptyOptions,\n) {\n   return async <\n      TParsedData = TDefaultParsedData,\n      TSchema extends StandardSchemaV1<\n         TParsedData,\n         any\n      > = StandardSchemaV1<TParsedData>,\n      TRawBody = TDefaultRawBody,\n   >(\n      input: Parameters<TFetchFn>[0],\n      fetcherOpts: FetcherOptions<\n         TFetchFn,\n         TSchema,\n         TParsedData,\n         TRawBody\n      > = emptyOptions,\n      ctx?: Parameters<TFetchFn>[2],\n   ) => {\n      let defaultOpts = getDefaultOptions(input, fetcherOpts, ctx)\n      let options = resolveOptions(input, defaultOpts, fetcherOpts)\n\n      await defaultOpts?.onRequest?.(options)\n      // if (defaultOpts.onRequest && isPromise(defaultOpts.onRequest)) {\n      // } else {\n      //    defaultOpts.onRequest?.(options)\n      // }\n         return fetchFn(options.input, options, ctx)\n         .catch((error) => {\n            defaultOpts.onError?.(error, options)\n            throw error\n         })\n         .then(async (response: Response) => {\n            if (!(await options.reject(response))) {\n               let parsed: Awaited<TParsedData>\n               try {\n                  parsed = await options.parseResponse(response, options)\n               } catch (error: any) {\n                  defaultOpts.onError?.(error, options)\n                  throw error\n               }\n               let data: Awaited<StandardSchemaV1.InferOutput<TSchema>>\n               try {\n                  data = 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