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gulp-combo-seajs

v1.0.3

Published

seajs(CMD) Module combo pulgin for gulp.

Downloads

15

Readme

gulp-combo-seajs


一个用于 seajs(CMD) 模块合并工具的 gulp 插件。

新特性

  • 支持require("xx.css")引入问题,ps:默认忽略掉该css文件的引入,所以不建议在js文件中require;
  • seajs.config的alias别名设置文件名命名模块id,而不是以当前文件名命名模块id;
  • 在部分文件不能识别成正确的.js文件,导致会在 xx.js 文件后面加上 .jsxx.js.js

安装

$ npm install --save-dev gulp-combo-seajs

使用

var gulp = require( 'gulp' ),
    seajsCombo = require( 'gulp-combo-seajs' );
    
gulp.task( 'seajscombo', function(){
    return gulp.src( 'src/js/main.js' )
        .pipe( seajsCombo() )
        .pipe( gulp.task('build/js') );
}); 

API

seajsCombo( options )

对于不支持的文件类型会直接忽略。

options

encoding

Type : String

Default : utf-8

ignore

Type : Array

忽略模块列表。合并模块 main 时想忽略其以来模块 globalcommon,那么其配置规则如下:

ignore : [ 'global', 'common' ]

忽略配置有两种规则,如果需要忽略 src/asrc/test/a 2 个模块,直接配置不带路径的模块标识:

ignore : [ 'a' ]

如果上面两个模块中只想忽略其中一个,那么配置具体的路径:

ignore : [ 'src/test/a' ]

map

使用 seajs.use 时,模块标识为 foo/bar/biz,但是模块的文件路径基于 gulp.src 解析出来的路径是 ./biz.js,那么使用 map 配置来映射这种关系。

map : {
    'foo/bar/biz' : './biz'
}

plugins

plugins 用于为特殊模块的合并提供插件接口。比如在合并一个 Handlebar 的 tpl 模块时,想在合并前对其进行编译,那么可以借助插件配置和其他 gulp 插件进行配合。

var handlebars = require( 'gulp-handlebars' ),
      wrap = require( 'gulp-wrap' );
      
...
plugins : [{
    ext : [ '.tpl' ],
    use : [{
            plugin : handlebars, 
        },{
            plugin : wrap,
            param : ['define(function(){return Handlebars.template(<%= contents %>)});']
    }]
}]

合并规则

模块 a.js :

define(function(){
    var b = require( 'deps/b' );
    return 'a' + ' ' + b;
});

模块 b.js :

define(function(){
    return 'b';
});

gulp 代码 :

gulp.src( 'src/a.js' )
    .pipe( seajsCombo() )
    ...

合并好的 a.js :

define('b',function(){
    return 'b';
});
define('a',['b'],function(){
    var b = require( 'b' );
    return 'a' + ' ' + b;
});

文件 main.js :

seajs.use( 'a' );

gulp 代码 :

gulp.src( 'src/main.js' )
    .pipe( seajsCombo() )
    ...

合并后的 main.js :

define('b',function(){
    return 'b';
});
define('a',['b'],function(){
    var b = require( 'b' );
    return 'a' + ' ' + b;
});
seajs.use( 'a' );

合并后的模块标识不会保留其路径,src/a 的模块标识在合并后就变成了 afoo/bar/p 在合并后变成了 p

如果合并的模块中模块标识有重复,gulp-combo-seajs 会修改原来的模块标识。src/asrc/test/a 在合并后由于去掉了路径都会变成 a,gulp-combo-seajs 会将后一个依赖 src/test/a 改成 s_gulp_seajs_combo_xx

解析 seajs.config

gulp-combo-seajs 会解析 seajs.config 中的 alias vars paths 这 3 个配置,其他的配置会忽略,并且配置的值必须为 String 类型,会忽略其中的变量,查看更多的 seajs.config

注解

项目fork地址:gulp-seajs-combo

由于老项目要通过gulp打包合并seajs文件,且gulp-seajs-combo插件针对我的项目无法正确编译通过,故fork该项目,自己进行了部分重写来达到编译通过的目的;

  • 具体解决的问题如下:
    1. 解决该插件不支持require("xx.css")问题;
    2. 解决在seajs.config的alias别名设置中,在打包时,以文件名命名模块id,而不是以alias中的别名;
    3. 解决在部分文件不能识别成正确的.js文件,导致会在 xx.js 文件后面加上 .jsxx.js.js

License

MIT @ Jeddy