Gruntjs LESS/Grunt没有将sourcemap引用写入已编译CSS的末尾

我正在使用

grunt contrib less

将

.less

文件编译到单个CSS样式表中。一切都在工作，除了源地图，我无法在任何情况下工作

这是我的Grunfile文件：

'use strict';

module.exports = function(grunt) {

// Force use of Unix newlines
grunt.util.linefeed = '\n';

grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    project: {
        // Add entries to this array to create variables for use by Grunt
        app:        ['app'],
        server:     'http://mysite.app',

        // Components
        bower:      ['<%= project.app %>/bower_components'],
        bootstrap:  ['<%= project.bower %>/bootstrap'],

        // Custom Assets
        assets:     ['<%= project.app %>/assets'],
        css:        ['<%= project.assets %>/css'],
        less:       ['<%= project.assets %>/less'],
        js:         ['<%= project.assets %>/js']
    },
    less: {
        production: {
            options: {
                ieCompat:           true,
                sourceMap:          true,
                sourceMapFilename:  '<%= project.css %>/style.css.map',
                sourceMapURL:       '<%= project.server %>/assets/css/style.css.map',
                sourceMapBasepath:  'app',
                sourceMapRootpath:  '<%= project.server %>'
            },
            files: {
                '<%= project.css %>/style.css': '<%= project.less %>/style.less'
            }
        }
    },
    autoprefixer: {
        dist: {
            files: {
                '<%= project.assets %>/css/style.css': '<%= project.assets %>/css/style.css'
            }
        }
    },
    concat: {
        options: {
            separator: ';\n',
            sourceMap: true
        },
        plugins_head: {
            // Add further Javascript plugins to this array and they will be
            // concatenated in to the plugins-built-head.js file
            src: [
                '<%= project.bower %>/modernizr/modernizr.js'
            ],
            dest: '<%= project.js %>/built/plugins-built-head.js'
        },
        plugins: {
            // Add further Javascript plugins to this array and they will be
            // concatenated in to the plugins-built.js file
            src: [
                '<%= project.bootstrap %>/js/dropdown.js'
            ],
            dest: '<%= project.js %>/built/plugins-built.js'
        },
        custom: {
            // Add further custom-written javascript files to this array and
            // they will be concatenated in to the scripts-built.js file
            src: [
                '<%= project.js %>/scripts.js'
            ],
            dest: '<%= project.js %>/built/scripts-built.js'
        }
    },
    watch: {
        css: {
            files: [
                '<%= project.bootstrap %>/less/*.less',
                '<%= project.less %>/*.less'
            ],
            tasks: [
                'less',
                'autoprefixer'
            ],
            options: {
                livereload: true
            }
        },
        js: {
            files: [
                '<%= project.js %>/scripts.js'
            ],
            tasks: ['concat']
        },
        html: {
            files: [
                '<%= project.app %>/*.html'
            ],
            options: {
                livereload: true
            }
        }
    }
});

grunt.loadNpmTasks('grunt-run-grunt');
grunt.loadNpmTasks('grunt-contrib-less');
grunt.loadNpmTasks('grunt-contrib-watch');
grunt.loadNpmTasks('grunt-contrib-concat');
grunt.loadNpmTasks('grunt-autoprefixer');

grunt.registerTask('default', [
    'watch'
]);

};

这是丢失的一行。所有其他内容都得到了正确的编译和编写。如果我手动将这一行添加到编译后的CSS的末尾，Chrome会正确地在源代码图上显示出来，但它没有被写入

此外，尝试像

sourceMapFileInline

这样的选项似乎没有什么区别——文件从来都不是内联写入的

---

有什么想法吗？

希望您现在已经找到了解决方案。这适用于具有相同问题的其他人：

• 确保soourcemap将与css放在同一文件夹中
• 将

  sourceMapUrl

  仅设置为映射文件的名称
• 这将在.css文件中添加以下行：

  /*#sourceMappingURL=default.css.map*/

以下是我的grunt文件中的sourcemap设置：

sourceMap: true,
sourceMapFilename: "src/assets/css/default.css.map",
sourceMapURL: "default.css.map"

sourceMap: true,
sourceMapFilename: "src/assets/css/default.css.map",
sourceMapURL: "default.css.map"