Despre Live Reload

postat acum 2 ani de Stefanescu Mihai in categorie Gulp

BrowserSync este folosit pentru a urmari schimbarile din fisierele HTML si CSS si sa faca refresh paginii din browser cand acestea se schimba.

Instalare BrowserSync

Acest plugin poate face cross-browser css injection. Poate fi instalat cu urmatoarea comanda:

npm install browser-sync --save-dev

Configurare BrowserSync

Pentru a putea folosi BrowserSync trebuie sa mai scriem ceva in fisierul de configurare:

var browserSync = require('browser-sync').create();

Trebuie sa facem un task si pentru BrowserSync astfel incat sa il folosim alaturi de Gulp. Din moment ce rulam gulp trebuie sa setam si pentru BrowserSync unde este proiectul:

gulp.task('browserSync', function() {
      server: {
         baseDir: 'build'

Putem injecta noile stiluri in browser folosind si task-ul pentru CSS-uri:

gulp.task('styles', function() {
   .pipe(autoprefix('last 2 versions'))
      stream: true

Inainte de a face un task si pentru BrowserSync trebuie sa instalam plugin-ul si sa ii facem o dependinta, exact cum v-am artat in articolele precedente din serie.

Cand ati terminat cu configurarea, rulam browserWatch odata cu watch astfel incat sa apara reloading-ul la modificari.

gulp.task('default', ['browserSync', 'styles'], function (){'src/styles/*.css', ['styles']);});   

Rulam urmatoarea comanda:


Dupa rularea comenzii primim urmatorul raspuns in consola:

[13:01:39] Using gulpfile C:\invata-programare\gulpfile.js
[13:01:39] Starting 'browserSync'...[13:01:39] Finished 'browserSync' after 20 ms
[13:01:39] Starting 'styles'...[13:01:39] Finished 'styles' after 21 ms
[13:01:39] Starting 'default'...[13:01:39] Finished 'default' after 15 ms
[BS] 1 file changed (style.css)[BS] Access URLs:
       Local: http://localhost:3000
          UI: http://localhost:3001
 UI External:
 ------------------------------------[BS] Serving files from: build

Va deschide browser-ul catre localhost:3000 si la orice schimbare din cod va face reload paginii.

Sunt un tanar programator din Bucuresti ce lucreaza in PHP/Mysql (MySqli/PDO), Laravel, CodeIgniter, MySQL, PostgreSQL, Wordpress, HTML5/CSS3, Sass, Photoshop si multe altele.
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