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fd-gulp-jsconcat

v0.1.0

Published

concat js files according to those rules listed on this page(http://wd.alibaba-inc.com/doc/page/work/cbu-regulations/merge)

Downloads

5

Readme

fd-gulp-jsconcat任务是根据指定的书写规则来将当前文件中引入的js进行合并。

用法

jsConcat(srcDir [,opt]);

例子

var gulp = require('gulp');
var jsConcat = require('fd-gulp-jsconcat');

gulp.task('jsConcat', function() {
	gulp.src('D:/wwwroot/workspace/fd-gulp-jsconcat/test/style_test/**/*.js')
		.pipe(jsConcat('D:/wwwroot/workspace/fd-gulp-jsconcat/test/style_test'))
		.pipe(gulp.dest('./output'));
});

参数

srcDir(必填): 'D:/wwwroot/workspace/fd-gulp-jsconcat/test/style_test'  // 要合并的文件目录
opt(选填): {
	domain: 'http://style.c.aliimg.com/', // 配置merge文件中的js文件的域名
	localCommonDir: 'D:/wwwroot/workspace'   // 配置公共资源(fdevlib/sys)在本地的目录,配置后,合并任务会优先在本地找fdevlib/sys资源
}

merge start/merge end标记说明

  • 合并脚本是根据此标记来判断是否是合并文件的,因此 merge start/merge end注释不可删除!
  • merge_start内容:/merge start/
  • merge_end内容:/merge end/

合并规则

  • 一行一个import
  • 路径可以使用完整的URL或者相对路径
  • 路径可以使用单引号也可以使用双引号
  • 在import行不能有注释
  • 在一行的最前和最后可以有一个或多个空格或TAB
  • import的重复文件内容只会合并到第一次出现的地方
  • 由于js的import是自定义语法,因此在开发阶段在使用import的js文件里需要有ImportJavscript.url(jsPath)这个函数存在 方法是使用merge_start和merge_end标记(标记说明见下面,在两个标记之间的行在合并时会被忽略,可以用来实现ImportJavascript.url方法,也可以用来添加注释

语法示例

ImportJavscript.url("http://style.c.aliimg.com/xxx/yyy.js");

可能的报错以及排查

  1. 被 merge 的文件找不到 解决方法:查看日志找到未找到的文件,并作出修正即可