浏览器同步(在 gulp 下)不会刷新浏览器



我的配置做了它应该做的一切,但它从不刷新浏览器。手动刷新后,更改就在那里。我正在连接到默认的本地主机:3000。任何想法为什么会这样或如何调试它?

gulpfile.js:

var gulp = require('gulp');
var sass = require('gulp-sass');
var sourcemaps = require('gulp-sourcemaps');
var browserSync = require('browser-sync');
gulp.task('html', function () {
    browserSync.reload();
});
gulp.task('sass', function() {
  return gulp.src('./app/scss/style.scss')
    .pipe(sass())
    .pipe(gulp.dest('./app/css'))
    .pipe(browserSync.reload({ stream:true }));
});
gulp.task('serve', function() {
  browserSync({
    server: {
      baseDir: 'app'
    }
  });
});
gulp.task('default', ['serve'], function () {
    gulp.watch('./app/scss/*.scss', ['sass', browserSync.reload]);
    gulp.watch('./app/*.html', ['html', browserSync.reload]);
});

控制台输出示例:

[BS] Local URL: http://localhost:3000
[BS] External URL: http://192.168.1.3:3000
[BS] Serving files from: app
[17:10:32] Starting 'html'...
[BS] Reloading Browsers...
[17:10:32] Finished 'html' after 829 μs
[BS] Reloading Browsers...
[17:10:42] Starting 'sass'...
[BS] 1 file changed (style.css)
[17:10:42] Finished 'sass' after 22 ms
[BS] Reloading Browsers...
[17:11:02] Starting 'html'...
[BS] Reloading Browsers...
[17:11:02] Finished 'html' after 472 μs
[BS] Reloading Browsers...
我想

通了:浏览器同步不喜欢隐式的html标签,所以这个(虽然有效的HTML5)将不起作用:

<!doctype html>
<title>implicit</title>

但这将:

<!doctype html>
<html>
    <head>  
        <title>full doc</title>
    </head>
    <body></body>
</html>

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