Gulpfile.js

const gulp = require("gulp");
const postcss = require("gulp-postcss");
const sass = require("gulp-sass");

gulp.task("sass:tailwind", function () {
    return gulp
        .src("src/sass/tailwind.scss")
        .pipe(
            sass({
                outputStyle: "compressed",
            }).on("error", sass.logError)
        )
        .pipe(
            postcss([
                require("tailwindcss"),
                require("autoprefixer"),
                require("cssnano"),
            ])
        )
        .pipe(gulp.dest("mongo_dash/public/css/"));
});

gulp.task("sass", function () {
    return gulp
        .src("src/sass/main.scss")
        .pipe(
            sass({
                outputStyle: "compressed",
            }).on("error", sass.logError)
        )
        .pipe(
            postcss([
                require("tailwindcss"),
                require("autoprefixer"),
                require("cssnano"),
            ])
        )
        .pipe(gulp.dest("mongo_dash/public/css/"));
});

gulp.task("sass:watch", function () {
    gulp.watch("./src/**/*.scss", gulp.series("sass"));
});