@flags-sdk/flagsmith/dist/index.cjs.map

Flagsmith provider for the Flags SDK

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type { Adapter } from 'flags';\nimport flagsmith from 'flagsmith';\nimport { IIdentity, IInitConfig, IFlagsmithFeature } from 'flagsmith/types';\n\nexport type { IIdentity } from 'flagsmith/types';\nexport { getProviderData } from './provider';\n\nlet defaultFlagsmithAdapter: AdapterResponse | undefined;\n\nexport type FlagsmithValue = IFlagsmithFeature['value'];\n\nexport type EntitiesType = IIdentity;\n\nexport type AdapterResponse = {\n  booleanValue: () => Adapter<boolean, EntitiesType>;\n  stringValue: () => Adapter<string, EntitiesType>;\n  numberValue: () => Adapter<number, EntitiesType>;\n};\n\nfunction createFlagsmithAdapter(params: IInitConfig): AdapterResponse {\n  async function initialize() {\n    await flagsmith.init({ fetch: globalThis.fetch, ...params });\n  }\n\n  function booleanValue(): Adapter<boolean, EntitiesType> {\n    return {\n      async decide({\n        key,\n        defaultValue,\n        entities: identity,\n      }): Promise<boolean> {\n        await initialize();\n\n        if (identity) {\n          await flagsmith.identify(identity);\n        }\n        const state = flagsmith.getState();\n        const flagState = state.flags?.[key];\n\n        if (!flagState) {\n          return defaultValue as boolean;\n        }\n\n        return flagState.enabled;\n      },\n    };\n  }\n\n  function stringValue(): Adapter<string, EntitiesType> {\n    return {\n      async decide({ key, defaultValue, entities: identity }): Promise<string> {\n        await initialize();\n\n        if (identity) {\n          await flagsmith.identify(identity);\n        }\n        const state = flagsmith.getState();\n        const flagState = state.flags?.[key];\n\n        if (!flagState || !flagState.enabled) {\n          return defaultValue as string;\n        }\n\n        return flagState.value as string;\n      },\n    };\n  }\n\n  function numberValue(): Adapter<number, EntitiesType> {\n    return {\n      async decide({ key, defaultValue, entities: identity }): Promise<number> {\n        await initialize();\n\n        if (identity) {\n          await flagsmith.identify(identity);\n        }\n        const state = flagsmith.getState();\n        const flagState = state.flags?.[key];\n\n        if (!flagState || !flagState.enabled) {\n          return defaultValue as number;\n        }\n\n        return flagState.value as number;\n      },\n    };\n  }\n\n  return {\n    booleanValue,\n    stringValue,\n    numberValue,\n  };\n}\n\nfunction assertEnv(name: string): string {\n  const value = process.env[name];\n  console.log('value', process.env);\n  if (!value) {\n    throw new Error(`Flagsmith Adapter: Missing ${name} environment variable`);\n  }\n  return value;\n}\n\nexport const getOrCreateDefaultFlagsmithAdapter = () => {\n  if (!defaultFlagsmithAdapter) {\n    const environmentId = assertEnv('FLAGSMITH_ENVIRONMENT_ID');\n    defaultFlagsmithAdapter = createFlagsmithAdapter({\n      environmentID: environmentId,\n    });\n  }\n  return defaultFlagsmithAdapter;\n};\n\n// Lazy default adapter\nexport const flagsmithAdapter: AdapterResponse =\n  getOrCreateDefaultFlagsmithAdapter();\n","import type { FlagDefinitionType, ProviderData } from 'flags';\n\ntype FlagsmithApiData = {\n  id: number;\n  feature: {\n    id: number;\n    name: string;\n    created_date: string;\n    description: string;\n    initial_value: string;\n    default_enabled: boolean;\n    type: string;\n  };\n  feature_state_value: string;\n  environment: number;\n  identity: number;\n  feature_segment: number;\n  enabled: boolean;\n}[];\n\nexport async function getProviderData(options: {\n  environmentKey: string;\n  projectId: string;\n}): Promise<ProviderData> {\n  const hints: Exclude<ProviderData['hints'], undefined> = [];\n\n  if (!options.environmentKey) {\n    hints.push({\n      key: 'flagsmith/missing-environment-id',\n      text: 'Missing Flagsmith Environment ID',\n    });\n  }\n\n  if (!options.projectId) {\n    hints.push({\n      key: 'flagsmith/missing-project-id',\n      text: 'Missing Flagsmith Project ID',\n    });\n  }\n\n  if (hints.length > 0) return { definitions: {}, hints };\n\n  try {\n    const res = await fetch(`https://api.flagsmith.com/api/v1/flags/`, {\n      method: 'GET',\n      headers: {\n        'X-Environment-Key': options.environmentKey,\n      },\n      // @ts-expect-error used by some Next.js versions\n      cache: 'no-store',\n    });\n\n    if (res.status !== 200) {\n      return {\n        definitions: {},\n        hints: [\n          {\n            key: `flagsmith/response-not-ok/${options.environmentKey}`,\n            text: `Failed to fetch Flagsmith (Received ${res.status} response)`,\n          },\n        ],\n      };\n    }\n\n    const data = (await res.json()) as FlagsmithApiData;\n    const definitions = data?.reduce<Record<string, FlagDefinitionType>>(\n      (acc, flag) => {\n        acc[flag.feature.name] = {\n          origin: `https://app.flagsmith.com/project/${options.projectId}/environment/${options.environmentKey}/features/?feature=${flag?.id}`,\n          description: flag.feature.description,\n          createdAt: new Date(flag.feature.created_date).getTime(),\n          options: [\n            {\n              value: flag.feature_state_value,\n              label: flag.feature_state_value,\n            },\n          ],\n        };\n        return acc;\n      },\n      {},\n    );\n\n    return {\n      definitions,\n      hints: [],\n    };\n  } catch (error) {\n    return {\n      definitions: {},\n      hints: [\n        {\n          key: 'flagsmith/response-not-ok',\n          text: `Failed to fetch Flagsmith`,\n        },\n      ],\n    };\n  }\n}\n"]}