[英]Grunt useminPrepare and usemin not working with multiple tasks and files (concat fails)
我在項目中需要兩個目標。 一個用於管理員,一個用於用戶頁面。 由於性能原因,我不希望將管理插件包含在用戶頁面中。 但是在嘗試運行構建時出現此錯誤:
Running "useminPrepare:admin" (useminPrepare) task
Configuration changed for concat, uglify, cssmin
Running "useminPrepare:user" (useminPrepare) task
Configuration changed for concat, uglify, cssmin
No "concat" targets found.
Warning: Task "concat" failed. Use --force to continue.
我在GruntFile.js中找不到concat任務以查看問題所在。 我的GruntFile.js usemin任務如下:
useminPrepare: {
admin: {
html: 'app/admin-index.html',
options: {
dest: 'dist'
}
},
user: {
html: 'app/index.html',
options: {
dest: 'dist'
}
},
},
usemin: {
admin: {
html: 'dist/admin-index.html'
},
user: {
html: 'dist/index.html'
}
}
grunt.registerTask('build', [
'clean:dist',
'less',
'useminPrepare:admin',
'useminPrepare:user',
'concat',
'copy:dist',
'cssmin',
'uglify',
'filerev',
'usemin:admin',
'usemin:user',
'htmlmin'
]);
相應的html文件如下所示。 首先是admin-index.html:
<!-- build:js(.) scripts/vendor.js -->
<!-- jQuery and Bootstrap -->
<script src="bower_components/jquery/dist/jquery.min.js"></script>
<script src="bower_components/bootstrap/dist/js/bootstrap.min.js"></script>
<!-- MetsiMenu -->
<script src="bower_components/metisMenu/dist/metisMenu.min.js"></script>
<!-- Peace JS -->
<script src="bower_components/pace/pace.min.js"></script>
<!-- Angular scripts-->
<script src="bower_components/angular/angular.min.js"></script>
<script src="bower_components/angular-ui-router/release/angular-ui-router.min.js"></script>
<script src="bower_components/angular-bootstrap/ui-bootstrap-tpls.min.js"></script>
<!-- Angular Dependiences -->
<!-- -->
<!-- -->
<!-- -->
<!-- Datatables -->
<script src="bower_components/datatables.net/js/jquery.dataTables.min.js"></script>
<script src="bower_components/datatables.net-bs/js/dataTables.bootstrap.min.js"></script>
<script src="bower_components/datatables.net-buttons/js/dataTables.buttons.min.js"></script>
<script src="bower_components/jszip/dist/jszip.min.js"></script>
<script src="bower_components/pdfmake/build/pdfmake.min.js"></script>
<script src="bower_components/pdfmake/build/vfs_fonts.js"></script>
<script src="bower_components/datatables.net-buttons/js/buttons.html5.min.js"></script>
<script src="bower_components/datatables.net-buttons/js/buttons.print.min.js"></script>
<script src="bower_components/datatables.net-buttons/js/buttons.colVis.min.js"></script>
<!-- Datepicker -->
<script src="bower_components/bootstrap-datepicker/dist/js/bootstrap-datepicker.min.js"></script>
<script src="bower_components/bootstrap-datepicker/dist/locales/bootstrap-datepicker.tr.min.js"></script>
<script src="bower_components/datepair.js/dist/datepair.js"></script>
<!-- Timepicker -->
<script src="bower_components/jt.timepicker/jquery.timepicker.js"></script>
<!-- endbuild -->
<!-- build:js({.tmp,app}) scripts/scripts.js -->
<!-- Custom and plugin javascript -->
<script src="scripts/inspinia.js"></script>
<!-- Anglar App Script -->
<script src="scripts/app.js"></script>
<script src="scripts/config.js"></script>
<script src="scripts/directives.js"></script>
<script src="scripts/controllers.js"></script>
<!-- endbuild -->
現在是index.html文件:
<!-- build:js(.) scripts/uivendor.js -->
<!-- jQuery and Bootstrap -->
<script src="bower_components/jquery/dist/jquery.min.js"></script>
<script src="bower_components/bootstrap/dist/js/bootstrap.min.js"></script>
<!-- Datepicker -->
<script src="bower_components/bootstrap-datepicker/dist/js/bootstrap-datepicker.min.js"></script>
<script src="bower_components/bootstrap-datepicker/dist/locales/bootstrap-datepicker.tr.min.js"></script>
<!-- endbuild -->
也許您在Gruntfile.js的initConfig設置中沒有上面的concat參數,但可以在“ BUILD”命令中進行設置。 Grunt不知道該concat字符串與什么相關,因此引發錯誤
嘗試刪除“ concat”,如下所示
grunt.registerTask('build', [
'clean:dist',
'less',
'useminPrepare:admin',
'useminPrepare:user',
'copy:dist',
'cssmin',
'uglify',
'filerev',
'usemin:admin',
'usemin:user',
'htmlmin'
]);
或在配置設置中添加concat鍵
concat: {
options: {
separator: ';',
},
dist: {
src: ['src/file1.js', 'src/file2.js', 'src/file3.js'],
dest: 'dist/concat-file.js',
},
},
合並這兩個任務可以為我解決問題。 盡管按照Vijay的建議顯式聲明concat,cssmin,uglify等任務也是一個選項,但這太麻煩了。 我將GruntFile.js更改如下:
useminPrepare: {
html: ['app/admin-index.html', 'app/index.html'],
options: {
dest: 'dist'
}
},
usemin: {
html: ['dist/admin-index.html', 'dist/index.html'],
}
grunt.registerTask('build', [
'clean:dist',
'less',
'useminPrepare',
'concat',
'copy:dist',
'cssmin',
'uglify',
'filerev',
'usemin',
'htmlmin'
]);
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