Gulp is failing to generate bundled files

I'm having trouble generating my bundle files. Everything was running smoothly until I attempted to update to gulp4, and now that I've reverted back to gulp3, the files are not appearing in my dist directory. Gulp successfully created the files in the build and temp directories but not in the bundle or App directories. Is there a way to log the status of the task at the end of the createBundleTask function? Or perhaps there's a better method to troubleshoot this?

The task is failing to build the bundle files.

var task = gulp.src(entryPoint)
    .pipe(gulp_jspm({
        selfExecutingBundle: true
    }),true)
    .pipe(rename(packageId + ".bundle.js"))
    .pipe(gulp.dest(paths.dist + "/bundle"));

Gulp File:

// Gulp file contents here...

Answer №1

The latest update in Gulp 4 has eradicated the 3-arguments syntax for gulp.task, as detailed in the changelog.

This change necessitates a different approach to handling dependency tasks, by incorporating two new functions:

  • gulp.series()
  • gulp.parallel()

To understand and adapt to this revision, refer to the comprehensive details provided in this migration guide.

Essentially, there are two modifications that need to be implemented:

  1. If your gulp file currently contains this task setup:

    gulp.task("compile", ["clean"], function () {
        ...
    });
    

    You must now replace it with:

    gulp.task('compile', gulp.series('clean', function() {
       ...
    }));
    
  2. Additionally, you should swap out runSequence with either task.series or task.parallel depending on whether these tasks need to run sequentially or concurrently.

    Alternatively, consider switching from the Gulp 3-compatible package run-sequence to the Gulp 4-compatible package gulp4-run-sequence.

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