Grunt Copy Flatten无法按预期工作 [英] Grunt Copy Flatten not working as expected

问题描述

  source / 
 libraries / 
 d3.js 
 lodash.js 
 // etc 
  

我将grunt-copy设置为如下：

  copy：{
 main：{
 files：[
 {
 src：[source / libraries / *。js]，
 dest：build /，
 flatten：true 
} 
  

我期望它将输出压缩到构建中，这样我就可以拥有

  build / 
 d3.js 
 // etc 
  

<

  build / 
 source / 
 libraries / 
 d3.js 
 // etc 
  

什么给了？我是不是正确地使用扁平化？

解决方案

好吧，如果您只使用 flatten 因为你想让 source / libraries 中的所有内容进入 build ，我会建议实际使用 cwd （当前工作目录）选项。另一方面，如果您实际上在 source / libraries 中拥有子文件夹，那么您可能希望将 src 行设为 source / libraries / ** / *。js 。

无论如何，如果您可以使用 cwd 而是它看起来像这样：

  copy：{
 main ：{
 files：[
 {
 src：[* .js]，
 dest：build /，
 cwd：source / libraries / 
} 
] 
} 
  

对于另一种情况，也许这个？ （注意展开选项设为 true ）

 main：{
 files：[
 {
 src：[source / libraries / ** / *。js ]，
 dest：build /，
 flatten：true，
 expand：true 
} 
] 
} 
} 
  

I have a directory structure as follows:

source/
    libraries/
        d3.js
        lodash.js
        //etc

I have grunt-copy setup as follows:

copy: {
  main: {
    files: [
      {
        src: ["source/libraries/*.js"], 
        dest: "build/", 
        flatten: true
      }

I expect it to flatten the output into build, so that I will have

build/
    d3.js
    //etc

Instead, I get a reproduction of the original directory structure in build:

build/
    source/
        libraries/
            d3.js
            //etc

What gives? Am I not using flatten properly?

解决方案

Well, if you're only using flatten because you want everything in source/libraries to go into build, I would suggest actually using the cwd (current working directory) option instead. If, on the other hand, you actually have subfolders in source/libraries then you probably want that src line to be source/libraries/**/*.js.

In any case, if you can use cwd instead it would look like this:

copy: {
  main: {
    files: [
      {
        src: ["*.js"],
        dest: "build/",
        cwd: "source/libraries/"
      }
    ]
  }

For the other case, maybe this? (Notice the expand option set to true)

copy: {
  main: {
    files: [
      {
        src: ["source/libraries/**/*.js"],
        dest: "build/",
        flatten: true,
        expand: true
      }
    ]
  }
}

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