2015-07-10 49 views
0

我正在使用gulp来uglify JavaScript文件并生成它们的源映射。到目前为止好:使用gulp-gzip时Gulp SourceMaps不工作

var gulp = require('gulp'); 
var plugins = require('gulp-load-plugins')(); 

gulp.task('compress-js', ['clean-js'], function() { 
    return gulp.src('./resources/js/**/*.js') 
    .pipe(plugins.sourcemaps.init()) 
    .pipe(plugins.uglify()) 
    .pipe(plugins.rename({extname: '.min.js'})) 
    .pipe(plugins.sourcemaps.write('./maps')) 
    .pipe(gulp.dest('./public/js')) 
    .pipe(plugins.livereload()); 
}); 

此代码生成以下输出文件夹和文件,这是正确地加载到浏览器:

公共/ JS/someScript.min.js

function doSomeStuff(){console.log("This stuff function simply says: hello!!") 
//# sourceMappingURL=maps/someScript.min.js.map 

public/js/maps/someScript.min.js.map:注意该文件在上面的行中被引用。

不过,我也想给gzip他们,所以我更新gulpfile.js是:

gulp.task('compress-js', ['clean-js'], function() { 
    return gulp.src('./resources/js/**/*.js') 
    .pipe(plugins.sourcemaps.init()) 
    .pipe(plugins.uglify()) 
    .pipe(plugins.rename({extname: '.min.js'})) 
    .pipe(plugins.sourcemaps.write('./maps')) 
    .pipe(plugins.gzip()) 
    .pipe(gulp.dest('./public/js')) 
    .pipe(plugins.livereload()); 
}); 

现在,我得到这些文件:

公共/ JS/someScript.min.js.gz

function doSomeStuff(){console.log("This stuff function simply says: hello!!")} 
//# sourceMappingURL=maps/someScript.min.js.map 

公共/ JS /地图/ someScript.min.js.map.gz

源映射未链接,因为js.gz文件引用someScript.min.js.map而不是someScript.min.js.map.gz。我错过了什么?我怎样才能使文件引用正确的扩展名?

回答

1

我设法通过重命名生成的地图文件,去掉.gz扩展名来解决这个问题:

gulp.task('compress-js', function(cb) { 
    gulp.src('./resources/js/**/*.js') 
    .pipe(plugins.jshint()) 
    .pipe(plugins.sourcemaps.init()) 
    .pipe(plugins.uglify()) 
    .pipe(plugins.rename({extname: '.min.js'})) 
    .pipe(plugins.sourcemaps.write('./maps')) 
    .pipe(plugins.gzip({ append: true })) 
    .pipe(gulp.dest('./public/js')) 
    .pipe(plugins.livereload()) 
    .on('end', function() { 
     postProcessMapFiles('./public/js/maps/**/*.map.gz', './public/js/maps', cb); 
    }); 
}); 

function postProcessMapFiles(compressedMapFiles, publicDir, cb){ 
    gulp.src(compressedMapFiles) 
     .pipe(plugins.debug()) 
     .pipe(plugins.rename({extname: ''})) 
     .pipe(plugins.debug()) 
     .pipe(gulp.dest(publicDir)) 
     .on('end', function() { 
      del([compressedMapFiles], cb); 
     }); 
}