@fink/std-lib/cjs/async.js

fink standard lib

const {
  ˆnew
} = require("@fink/js-interop/reflect.js");

const {
  Promise,
  globals
} = require("@fink/js-interop/globals.js");

const {
  iter,
  next
} = require("./iter.js");

const {
  is_fn
} = require("./fn.js");

const parallel = async tasks => await Promise.all([...tasks]);

exports.parallel = parallel;

const sequential = async tasks => {
  const it = iter(tasks);
  const [task, rest] = next(it);
  {
    const ˆvalue_1 = task;

    if (ˆvalue_1 != null) {
      {
        await task;
        return await sequential(rest);
      }
    }
  }
};

exports.sequential = sequential;

const sleep = ms => ˆnew(Promise, resolve => globals.setTimeout(resolve, ms));

exports.sleep = sleep;

const is_async = value => {
  const ˆvalue_3 = value;

  if (ˆvalue_3 != null) {
    const {
      then: ˆp_5
    } = ˆvalue_3;

    if (is_fn(ˆp_5)) {
      return true;
    }
  }

  {
    return false;
  }
};

exports.is_async = is_async;