Gulp wordpress development configuration

gulpfile.js

const gulp = require('gulp');
const browserSync = require('browser-sync').create();
const sass = require('gulp-sass');

gulp.task('serve', ['sass'], function() {
    browserSync.init({
        proxy: 'mood.dev'
    });

    gulp.watch('sass/**/*.scss', ['sass']);
    gulp.watch('**/*.php').on('change', browserSync.reload);
});

gulp.task('sass', function() {
    return gulp.src('sass/style.scss')
        .pipe(sass())
        .pipe(gulp.dest('assets/css'))
        .pipe(browserSync.stream());
});

gulp.task('default', ['serve']);