authConfig.ts

import type { TAuthConfig, TInternalConfig } from './types'

function stringIsUnset(value: string | null | undefined) {
  const unset = ['', undefined, null]
  return unset.includes(value)
}

export function createInternalConfig(passedConfig: TAuthConfig): TInternalConfig {
  // Set default values for internal config object
  const {
    autoLogin = true,
    clearURL = true,
    decodeToken = true,
    scope = undefined,
    preLogin = () => null,
    postLogin = () => null,
    loginMethod = 'redirect',
    onRefreshTokenExpire = undefined,
    storage = 'local',
    storageKeyPrefix = 'ROCP_',
    refreshWithScope = true,
    refreshTokenExpiryStrategy = 'renewable',
    tokenRequestCredentials = 'same-origin',
  }: TAuthConfig = passedConfig

  const config: TInternalConfig = {
    ...passedConfig,
    autoLogin: autoLogin,
    clearURL: clearURL,
    decodeToken: decodeToken,
    scope: scope,
    preLogin: preLogin,
    postLogin: postLogin,
    loginMethod: loginMethod,
    onRefreshTokenExpire: onRefreshTokenExpire,
    storage: storage,
    storageKeyPrefix: storageKeyPrefix,
    refreshWithScope: refreshWithScope,
    refreshTokenExpiryStrategy: refreshTokenExpiryStrategy,
    tokenRequestCredentials: tokenRequestCredentials,
  }
  validateConfig(config)
  return config
}

export function validateConfig(config: TInternalConfig) {
  if (stringIsUnset(config?.clientId))
    throw Error("'clientId' must be set in the 'AuthConfig' object passed to 'react-oauth2-code-pkce' AuthProvider")
  if (stringIsUnset(config?.authorizationEndpoint))
    throw Error(
      "'authorizationEndpoint' must be set in the 'AuthConfig' object passed to 'react-oauth2-code-pkce' AuthProvider"
    )
  if (stringIsUnset(config?.tokenEndpoint))
    throw Error(
      "'tokenEndpoint' must be set in the 'AuthConfig' object passed to 'react-oauth2-code-pkce' AuthProvider"
    )
  if (stringIsUnset(config?.redirectUri))
    throw Error("'redirectUri' must be set in the 'AuthConfig' object passed to 'react-oauth2-code-pkce' AuthProvider")
  if (!['session', 'local'].includes(config.storage)) throw Error("'storage' must be one of ('session', 'local')")
  if (config?.extraAuthParams)
    console.warn(
      "The 'extraAuthParams' configuration parameter will be deprecated. You should use " +
        "'extraTokenParameters' instead."
    )
  if (config?.extraAuthParams && config?.extraTokenParameters)
    console.warn(
      "Using both 'extraAuthParams' and 'extraTokenParameters' is not recommended. " +
        "They do the same thing, and you should only use 'extraTokenParameters'"
    )
}