Example gulfile for WP + Bedrock

gulpfile.js

'use strict';

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

gulp.task('sass', function () {
    return gulp.src('web/app/themes/**/css/*.scss', { base: './' })
        .pipe(sourcemaps.init())
        .pipe(sass().on('error', sass.logError))
        .pipe(autoprefixer({
            browsers: ['last 3 versions']
        }))
        .pipe(sourcemaps.write('.'))
        .pipe(gulp.dest('.'))
        .pipe(browserSync.stream());
});

gulp.task('serve', function () {
    browserSync.init({
        proxy: 'localhost:8183',
        ghostMode: false,
        open: false
    });

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