Generated by XState Viz: https://xstate.js.org/viz

machine.js

  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions
  // - XState (all XState exports)
  
  const fetchMachine = Machine(
    {
      id: 'login',
      initial: 'getLocalTokens',
      context: {
        user: undefined,
        sessionToken: undefined,
        accessToken: undefined,
        errorMessage: undefined
      },
      states: {
        getLocalTokens: {
          invoke: {
            src: 'getLocalTokensService',
            onDone: {
              target: 'autoLogin',
              actions: 'setContextFromLocalTokens'
            },
            onError: {
              target: 'manualLogin'
            }
          }
        },
        autoLogin: {
          on: {
            '': [
              {
                target: 'complete',
                cond: (ctx, _) => ctx.accessToken !== undefined
              },
              {
                target: 'manualLogin',
                cond: (ctx, _) => ctx.accessToken === undefined
              }
            ]
          }
        },
        manualLogin: {
          entry: 'resetContext',
          on: {
            LOGIN: 'getSessionToken'
          }
        },
        getSessionToken: {
          invoke: {
            src: 'getSessionTokenService',
            onDone: {
              target: 'getAccessToken',
              actions: 'setSessionToken'
            },
            onError: {
              target: 'error',
              actions: 'setErrorMessage'
            }
          }
        },
        getAccessToken: {
          invoke: {
            src: 'getAccessTokenService',
            onDone: {
              target: 'complete',
              actions: 'setAccessToken'
            },
            onError: {
              target: 'error',
              actions: 'setErrorMessage'
            }
          }
        },
        complete: {
          entry: 'onComplete',
          on: {
            LOGOUT: { target: 'manualLogin', actions: 'onLogout' }
          }
        },
        error: {
          on: {
            LOGIN: 'getSessionToken'
          }
        }
      }
    }
    );