gulp-bundle-manifest

Generates a manifest file from a list of input files. This may be usefull if you are using gulp-concat.

npm install gulp-bundle-manifest

var bundleManifest = require("gulp-bundle-manifest");

gulp.task("script-manifest", function () {
  gulp.src("scripts/**/*.js")
    .pipe(bundleManifest("script-manifest.json", {base: "scripts", prefix: ""})
    .pipe(gulp.dest("."));
});

The contents of script-manifest.json will look like this:

[
  "script1",
  "lib/script2"
]