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spawn-task-experiment-2

0.2.0 • Public • Published

Spawn task experiment 2

Tests how fast it is to run gulp tasks in child processes

This is a fork of Spawn task experiment to allow to pass some information into child process. I sent a pullRequest but never got an answer, so I'm posting this so I can use it in npm.

Run task in child process:

var makeItFaster = require('spawn-task-experiment').spawn;
 
gulp.task('whatever', makeItFaster(function() {
    var gulp = require('gulp');
    var sourcemaps = require('gulp-sourcemaps');
    var concat = require('gulp-concat');
    return gulp.src(['app/index.js', 'app/**/*.js'])
        .pipe(sourcemaps.init())
        .pipe(concat('all.js'))
        .pipe(sourcemaps.write('.'))
        .pipe(gulp.dest('.build/scripts'));
}));

Run task in worker pool:

var makeItFaster = require('spawn-task-experiment').workerPool();
 
gulp.task('whatever', makeItFaster(function() {
    var gulp = require('gulp');
    var sourcemaps = require('gulp-sourcemaps');
    var concat = require('gulp-concat');
    return gulp.src(['app/index.js', 'app/**/*.js'])
        .pipe(sourcemaps.init())
        .pipe(concat('all.js'))
        .pipe(sourcemaps.write('.'))
        .pipe(gulp.dest('.build/scripts'));
}));

Notes:

  • All wrapped functions need to be self-contained
  • Using worker pool prevents parent process exit, so it might be usable only when watch is running
  • Worker pool starts re-using child processes only after maxConcurrentWorkers limit has been reached (default is cpus().length)

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Install

npm i spawn-task-experiment-2

Repository

github.com/heikki/spawn-task-experiment

Homepage

github.com/heikki/spawn-task-experiment#readme

Weekly Downloads

1

Version

0.2.0

License

MIT

Last publish

Collaborators

  • pepjo
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