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Routine

Inline, Promise based wrapper around Deno Workers.

routine allows you to do everything Workers do (running code in separate threads, split heavy tasks...), but wrapped in a nicer API.

โš ๏ธ This module uses a hack to transform functions into files ran using Workers, I wouldn't recommend using it in production without extensive testing.

Usage

Using async / await:

import routine from "https://deno.land/x/routine/mod.ts";

const inneficientSquare = (n) => {
  let total = 0;
  for (let i = 0; i < n; i++) {
    for (let j = 0; j < n; j++) {
      total++;
    }
  }
  return total;
};

// spawns two workers running in separate threads
const results = await Promise.all([
  routine(inneficientSquare, 80000),
  routine(inneficientSquare, 80001),
]);

console.log(results[0] * results[1]);

Using Promise.then:

import routine from "https://deno.land/x/routine/mod.ts";

const multiply = (a, b, c) => a * b * c;

routine(multiply, 2, 3, 10).then(
  console.log // => 60
);

Perfs

See benchmark.js for a perfs test example.

deno-routine's People

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