'Best way to filter files in gulp.watch?

I would like to watch all, but the .min.ext files in my directories with gulp.js. What is the best way to filter out those?

Example: 

gulp.task('watch', function(e) {
   gulp.watch('./js/*.js', ['css']); // don't want to watch .min.js files. what is best way?
});

EDIT: If can't be done without external packages, which one is the most reputable?

node.jsgulp


Solution 1:[1]

gulp.watch internally uses vinyl-fs (see source), which uses gaze, which uses itself minimatch, so you should be able to ignore some files using !./js/*.min.*.

In fact, this is even described in vinyl-fs's README:

fs.src(["./js/**/*.js", "!./js/vendor/*.js"])
[…]

Solution 2:[2]

Faced the same issue in gulp 4, the fix is as follows

gulp.task('watch', function() {
   gulp.watch(['js/*.js','!js/*.min.js'], css);
});

css is gulp.series/gulp.parallel or any function that you want to run.

Sources

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Source: Stack Overflow

Solution Source
Solution 1
Solution 2 Suraj Mandal

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