envio/src/GlobalStateManager.res.mjs

A latency and sync speed optimized, developer friendly blockchain data indexer.

// Generated by ReScript, PLEASE EDIT WITH CARE

import * as Logging from "./Logging.res.mjs";
import * as Process from "process";
import * as GlobalState from "./GlobalState.res.mjs";
import * as ErrorHandling from "./ErrorHandling.res.mjs";
import * as Stdlib_Promise from "@rescript/runtime/lib/es6/Stdlib_Promise.js";
import * as Primitive_exceptions from "@rescript/runtime/lib/es6/Primitive_exceptions.js";

function make(state, reducers, onErrorOpt) {
  let onError = onErrorOpt !== undefined ? onErrorOpt : e => {
      ErrorHandling.log(ErrorHandling.make(e, undefined, "Indexer has failed with an unexpected error"));
      Process.exit(1);
    };
  return {
    state: state,
    onError: onError,
    reducers: reducers
  };
}

function dispatchAction(stateIdOpt, self, action) {
  let stateId = stateIdOpt !== undefined ? stateIdOpt : 0;
  try {
    let reducer = stateId === GlobalState.getId(self.state) ? self.reducers.actionReducer : self.reducers.invalidatedActionReducer;
    let match = reducer(self.state, action);
    self.state = match[0];
    match[1].forEach(task => dispatchTask(self, task));
    return;
  } catch (raw_e) {
    return self.onError(Primitive_exceptions.internalToException(raw_e));
  }
}

function dispatchTask(self, task) {
  let stateId = GlobalState.getId(self.state);
  setImmediate(() => {
    if (stateId !== GlobalState.getId(self.state)) {
      return Logging.info("Invalidated task discarded");
    }
    try {
      Stdlib_Promise.$$catch(self.reducers.taskReducer(self.state, task, action => dispatchAction(stateId, self, action)), e => {
        self.onError(e);
        return Promise.resolve();
      });
      return;
    } catch (raw_e) {
      return self.onError(Primitive_exceptions.internalToException(raw_e));
    }
  });
}

function getState(self) {
  return self.state;
}

function setState(self, state) {
  self.state = state;
}

export {
  make,
  dispatchAction,
  dispatchTask,
  getState,
  setState,
}
/* Logging Not a pure module */