####homepage ####github : https://github.com/qq4647805/gulp-join_class
var join_class = require('gulp-join_class');
gulp.task("join", function() {
gulp.src(["src/*.html"]).pipe(join_class()).pipe(gulp.dest('dist/'));
});<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body id="body">
<div class="@a">
<div class="@-b e @-b-f">
<div class="@-c d">
<div>
<div class="@-aaa"></div>
</div>
</div>
<div class="@-abc">
<div class="@-abc-cba"></div>
</div>
</div>
</div>
</body>
</html><!DOCTYPE html><html lang="en"><head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body id="body">
<div class="a">
<div class="a-b e @-b-f">
<div class="a-b-c d">
<div>
<div class="a-b-c-aaa"></div>
</div>
</div>
<div class="a-b-abc">
<div class="a-b-abc-abc-cba"></div>
</div>
</div>
</div>
</body>
</html>