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grunt-htmlstamp

v1.2.1

Published

deal with js or css link in html

Downloads

28

Readme

grunt-htmlstamp

deal with js or css link in html

Getting Started

This plugin requires Grunt ~0.4.5

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-htmlstamp --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:

grunt.loadNpmTasks('grunt-htmlstamp');

The "htmlstamp" task

Overview

In your project's Gruntfile, add a section named htmlstamp to the data object passed into grunt.initConfig().

grunt.initConfig({
  htmlstamp: {
    options: {
      // Task-specific options go here.
    },
    your_target: {
      // Target-specific file lists and/or options go here.
    },
  },
});

Options

options.type

Choices: 'suffix', 'embed', 'inline'

Default value: 'suffix'

确定以哪种形式来处理JS和CSS的URL:

  • 'suffix':后缀模式,将参数追加到query部分,生成之后的结果类似:xx.js?_v=[appendStr]
  • 'embed':嵌入模式,将参数放入到文件名中,生成之后的结果类似:xx.[appendStr].js
  • 'inline':内联模式,将js或css的源码直接嵌入到html页面里

options.appendType

Choices: 'time', 'hash'

Default value: 'time'

options.typesuffixinline 模式时,它们将对URL进行一些处理,需要追加字符串[appendStr],它确定的是“怎么个追加方式”,而 options.appendType 则用来确定要“追加什么”:

  • 'time':要追加的字符串为时间戳,生成之后的结果类似: test1.js?_v=151107142609test1.151107142609.js
  • 'hash':要追加的字符串为文件hash值,生成之后的结果类似: test1.js?_v=cc8f05f977test1.cc8f05f977.js

options.timestampFormat

Type: String

Default value: 'yymmddHHMMss'

options.appendTypetime 时,用于定义时间格式化方式。

options.hashFunction

Type: Function

Default value: undefined

options.appendTypehash 时,用于获得hash值的方法。函数将传入两个参数,依次是 content(文件内容)和 encoding(文件编码)。

默认的核心算法为:

crypto.createHash('sha1').update(content, 'utf8').digest('hex');

options.shim

Type: Object

Default value: {}

用于更灵活的控制。key值对应的文件是value值对应的文件的替代者,实际的最后链接地址是value值对应的地址。value值也可以是完整地址,例如:http://site.com/script.js

例如,在html中使用了 <script src="./test1.js"></script> ,一种常规的编译之后为 <script src="./test1.cc8f05f977.js"></script> ,但在生产环境中,我们可能需要的是压缩版本,也就是 <script src="./test1.min.js"></script> ,最终生成 <script src="./test1.min.cc8f05f977.js"></script> 。换言之,在编译的时候,我们需要将原html中的test1.js转换为test1.min.js之后,再进行编译。可以配置 options.shim 参数为 {"test1.js":"test1.min.js"} ,其含义可以理解为原html中的test1.js是test1.min.js的一个别称,最终使用的是test1.min.js。

但要注意以下几点:

  • 如果是相对地址,则其相对的是Gruntfile.js而言的地址。如果是完整地址(以http(s)等开头),则会直接进行替换。
  • 键值对中的地址不支持通配符。
  • 只有配置了src,且该路径在src中,此处的配置才生效。

options.requirejsConfigUrl

Type: String

Default value: ''

针对RequireJS的特别的配置,当该值为有效值时,即启动了RequireJS的特殊配置,该值为配置requirejs.config的文件路径,该路径相对Gruntfile.js而言。

options.requirejsBaseUrl

Type: String

Default value: ''

针对RequireJS的特别的配置,当 options.requirejsConfigUrl 为有效值时才生效。该值与requirejs.config中的baseUrl作用是一样的,区别在于此处的路径是相对于Gruntfile.js的路径。该值用于在自动处理requirejs.config的 paths 值时,计算相对路径。

Usage Examples

最简单的用法

在原url上追加时间戳是最简单的用法,只需要为每一个目标html页面配置需要处理的js和css即可。注意这里的所有路径都是相对Gruntfile.js而言的,并不是html中的那个路径。

grunt.initConfig({
  htmlstamp: {
    options: {},
    files: {
      'dest/index.html': ['src/test.js', 'src/test.css'],
    },
  },
});

执行之后:

<link rel="stylesheet" href="./test1.css?_v=151107142609">
<script type="text/javascript" src="./test1.js?_v=151107142609"></script>

支持四种搭配

通过配置 options.typeoptions.appendType ,可以达到四种不同的编译效果。

grunt.initConfig({
  htmlstamp: {
    suffix_time: {
        files: {
            'tmp/suffix_time.html': ['tmp/test1.js', 'tmp/test1.css']
        }
    },
    suffix_hash: {
        options: {
            appendType: 'hash'
        },
        files: {
            'tmp/suffix_hash.html': ['tmp/test1.js', 'tmp/test1.css']
        }
    },
    embed_time: {
        options: {
            type: 'embed'
        },
        files: {
            'tmp/embed_time.html': ['tmp/test1.js', 'tmp/test1.css']
        }
    },
    embed_hash: {
        options: {
            type: 'embed',
            appendType: 'hash'
        },
        files: {
            'tmp/embed_hash.html': ['tmp/test1.js', 'tmp/test1.css']
        }
    },
  },
});

执行之后:

<!--suffix_time-->
<link rel="stylesheet" href="./test1.css?_v=151107142609">
<script type="text/javascript" src="./test1.js?_v=151107142609"></script>

<!--suffix_hash-->
<link rel="stylesheet" href="./test1.css?_v=f8c0db01a0">
<script type="text/javascript" src="./test1.js?_v=cc8f05f977"></script>


<!--embed_time-->
<link rel="stylesheet" href="./test1.151107142609.css">
<script type="text/javascript" src="./test1.151107142609.js"></script>

<!--embed_hash-->
<link rel="stylesheet" href="./test1.f8c0db01a0.css">
<script type="text/javascript" src="./test1.cc8f05f977.js"></script>

inline模式

有时候需要将引用的js或css文件内容合入到html中,则只需要简单的配置 options.typeinline 即可。

grunt.initConfig({
  htmlstamp: {
    options: {
        type: 'inline'
    },
    files: {
        'tmp/inline.html': ['tmp/test1.js', 'tmp/test1.css']
    }
  },
});

shim的使用

如果需要对html中的js或css文件进行自定义的替换,则可以使用 options.shim 来配置。在下面的例子中,我们使用了 options.shim ,例如将test2.js在编译时先替换成test2.min.js再进行后续编译;将testexternal.js替换成一个外部链接。

要更有效理解 options.shim 的使用,可以仔细对比下面例子编译之前和编译之后的结果对比。

grunt.initConfig({
  htmlstamp: {
    shim_embed: {
        options: {
            type: 'embed',
            appendType: 'hash',
            shim: {
                'tmp/test2.js': 'tmp/test2.min.js',
                'tmp/test3.js': 'tmp/testshim.js',
                'tmp/testexternal.js': 'http://cdn.bootcss.com/jquery/2.1.4/jquery.min.js'
            }
        },
        files: {
            'tmp/shim_embed.html': [
                'tmp/test1.js',
                'tmp/test2.js',
                'tmp/test3.js',
                'tmp/testexternal.js',
                'tmp/test1.css']
        }
    },
    shim_suffix: {
        options: {
            appendType: 'hash',
            shim: {
                'tmp/test2.js': 'tmp/test2.min.js',
                'tmp/test3.js': 'tmp/testshim.js',
                'tmp/testexternal.js': 'http://cdn.bootcss.com/jquery/2.1.4/jquery.min.js'
            }
        },
        files: {
            'tmp/shim_suffix.html': [
                'tmp/test1.js',
                'tmp/test2.js',
                'tmp/test3.js',
                'tmp/testexternal.js',
                'tmp/test1.css']
        }
    }
  },
});

执行之前:

<link rel="stylesheet" href="./test1.css">
<script type="text/javascript" src="./test1.js"></script>
<script type="text/javascript" src="./test2.js"></script>
<script type="text/javascript" src="./test3.js"></script>
<script type="text/javascript" src="./testexternal.js"></script>
<script type="text/javascript"></script>

执行之后:

<!--shim_embed-->
<link rel="stylesheet" href="./test1.f8c0db01a0.css">
<script type="text/javascript" src="./test1.cc8f05f977.js"></script>
<script type="text/javascript" src="./test2.min.3cfc4d97d1.js"></script>
<script type="text/javascript" src="./testshim.85255a35eb.js"></script>
<script type="text/javascript" src="http://cdn.bootcss.com/jquery/2.1.4/jquery.min.js"></script>
<script type="text/javascript"></script>

<!--shim_suffix-->
<link rel="stylesheet" href="./test1.css?_v=f8c0db01a0">
<script type="text/javascript" src="./test1.js?_v=cc8f05f977"></script>
<script type="text/javascript" src="./test2.min.js?_v=3cfc4d97d1"></script>
<script type="text/javascript" src="./testshim.js?_v=85255a35eb"></script>
<script type="text/javascript" src="http://cdn.bootcss.com/jquery/2.1.4/jquery.min.js"></script>
<script type="text/javascript"></script>

针对RequireJS的特殊配置

如果使用RequireJS来组织代码,则可以通过配置 option.requirejsConfigUrloption.requirejsBaseUrl 来构建。与常规用法一样,通过 option.type 可以有两种类型的用法:

  • suffix模式,建议用于开发场景,实际的工作:修改html中 data-main 的url地址,追加时间戳或md5值,类似 ?v=xxxx;为 data-main 中的js文件中引入的option.requirejsConfigUrl地址追加字符串;修改 option.requirejsConfigUrl 文件,追加 urlArgs 参数(这种方式只支持时间戳)
  • embed模式,建议用于发布场景,实际的工作:修改html中 data-main 的url地址内嵌时间戳或md5值,类似 xxx.123.js;为 data-main 中的js文件中引入的option.requirejsConfigUrl地址内嵌时间戳或md5值;修改 option.requirejsConfigUrl 文件,删除 urlArgs 参数,同时在 paths 中新增或修改对应。
grunt.initConfig({
  htmlstamp: {
    requirejs_embed_hash: { //建议发布场景
        options: {
            type: 'embed',
            appendType: 'hash',
            requirejsConfigUrl: 'tmp/requirejs/common/config.js',
            requirejsBaseUrl: 'tmp/requirejs/'
        },
        files: {
            'tmp/requirejs_embed_hash.html': [
                'tmp/requirejs/page/requirejs_embed_hash.js',
                'tmp/requirejs/widget/note.js',
                'tmp/requirejs/widget/msg.1.1.js',
                'tmp/requirejs/widget/along.js',
                'tmp/require.js.outside.js'
            ]
        }
    },
    requirejs_suffix_time: { //建议开发场景
        options: {
            requirejsConfigUrl: 'tmp/requirejs/common/config2.js',
            requirejsBaseUrl: 'tmp/requirejs/'
        },
        files: {
            'tmp/requirejs_suffix_time.html': [
                'tmp/requirejs/page/requirejs_suffix_time.js',
                'tmp/requirejs/widget/note.js',
                'tmp/requirejs/widget/msg.1.1.js',
                'tmp/requirejs/widget/along.js',
                'tmp/require.js.outside.js'
            ]
        }
    }
  },
});

对于上述的 htmlstamp:requirejs_embed_hash 任务执行之后,option.requirejsConfigUrl 配置文件变化:

// 构建之前
requirejs.config({
    baseUrl: "requirejs",
    urlArgs: "bust=" + (new Date()).getTime(), // 避免缓存之用,生产环境要移除
    paths: {
        jquery: "lib/jquery-1.11.3.min",
        'widget/msg': './widget/msg.1.1', //注释
        'note': 'widget/note', /*注释*/
        outside: '../require.js.outside',
        bootstrap: "//cdn.bootcss.com/bootstrap/3.3.4/js/bootstrap.min",
        "underscore": "http://cdn.bootcss.com/underscore.js/1.8.3/underscore-min",
    },
    shim: {
        "widget/msg": ["jquery"]
    }
});

// 构建之后
requirejs.config({
    baseUrl: "requirejs",
    paths: {
        "jquery": "lib/jquery-1.11.3.min",
        "widget/msg": "widget/msg.1.1.f9707ff6a4",
        "note": "widget/note.0c1af63535",
        "outside": "../require.js.outside.4b55644553",
        "widget/along": "widget/along.46d8676b31",
        "bootstrap": "//cdn.bootcss.com/bootstrap/3.3.4/js/bootstrap.min",
        "underscore": "http://cdn.bootcss.com/underscore.js/1.8.3/underscore-min"
    },
    shim: {
        "widget/msg": ["jquery"]
    }
});

Other

本插件的测试用例中列举了一些用例,可供参考。

Release History

2015-11-23 v1.2.1 Fix bug: #1 and #2

2015-11-16 v1.2.0 Fix bug. Support multi dest when deal with same config js file with RequireJS mode. Allow config js file without paths param.

2015-11-15 v1.1.4 Fix bug.

2015-11-15 v1.1.3 Fix bug.

2015-11-14 v1.1.2 Fix bug. Enable to support .js in data-main's script file with option.requirejsConfigUrl for RequieJS.

2015-11-13 v1.1.1 Fix bug.

2015-11-13 v1.1.0 Support option.requirejsConfigUrl and option.requirejsBaseUrl to deal with RequireJS.

2015-11-07 v1.0.2 Fix bug.

2015-11-07 v1.0.1 Fix bug.

2015-11-07 v1.0.0 Support option.shim to enable more choice to deal with js or css url.

2015-11-07 v0.2.1 Fix bug.

2015-11-06 v0.2.0 Support inline way to insert js or css into html.

2015-11-06 v0.1.0 Support suffix and embed way to change url where you can append both timestamp or hash code.