gulp-flatten

Remove or replace relative path for files (gulp v3).

Install

npm install gulp-flatten

Usage

Example source directory with bower compoments:

├── angular
│   ├── README.md
│   ├── angular-csp.css
│   ├── angular.js
│   ├── angular.min.js
│   └── bower.json
├── angular-route
│   ├── README.md
│   ├── angular-route.js
│   ├── angular-route.min.js
│   ├── angular-route.min.js.map
│   └── bower.json
├── angular-sanitize
│   ├── README.md
│   ├── angular-sanitize.js
│   ├── angular-sanitize.min.js
│   ├── angular-sanitize.min.js.map
│   └── bower.json
└── bootstrap
    ├── DOCS-LICENSE
    ├── LICENSE
    ├── LICENSE-MIT
    ├── README.md
    ├── bower.json
    └── dist
        ├── css
        │   ├── bootstrap-theme.css
        │   ├── bootstrap-theme.min.css
        │   ├── bootstrap.css
        │   └── bootstrap.min.css
        ├── fonts
        │   ├── glyphicons-halflings-regular.eot
        │   ├── glyphicons-halflings-regular.svg
        │   ├── glyphicons-halflings-regular.ttf
        │   └── glyphicons-halflings-regular.woff
        └── js
            ├── bootstrap.js
            └── bootstrap.min.js

By default gulp stores files with it's relative paths. To copy all minified javascript files from bower_components to build folder without relative paths:

var flatten = require('gulp-flatten');

gulp.src('bower_components/**/*.min.js')
  .pipe(flatten())
  .pipe(gulp.dest('build/js'));

Result will be list of all .min.js files inside build/js dir:

build
└── js
    ├── angular-route.min.js
    ├── angular-sanitize.min.js
    ├── angular.min.js
    └── bootstrap.min.js

Options

flatten(options)

options.newPath

Type: String
Default: ''

Relative path for file.

options.includeParents

Type: Number or Array of two numbers

If passed in as positive number, it will include the number of top-level parents in the output. Using this code:

gulp.src(['bower_components/**/*.css'])
  .pipe(flatten({ includeParents: 1} ))
  .pipe(gulp.dest('build/'));

will create this structure (from sample directory tree above):

└── bootstrap
    ├── bootstrap-theme.css
    ├── bootstrap-theme.min.css
    ├── bootstrap.css
    └── bootstrap.min.css

If passed in as negative number, it will include the number of bottom-level parents in the output. Using this code:

gulp.src(['bower_components/**/*.css'])
  .pipe(flatten({ includeParents: -1} )) //or indludeParents: [0, 1]
  .pipe(gulp.dest('build/'));

will create this structure:

└── css
    ├── bootstrap-theme.css
    ├── bootstrap-theme.min.css
    ├── bootstrap.css
    └── bootstrap.min.css

If passes as array of two numbers, both parents from top and bottom will be kept in resulting path of a file.

gulp.src(['bower_components/**/*.css'])
  .pipe(flatten({ includeParents: [1, 1]} ))
  .pipe(gulp.dest('build/'));

will create this structure:

└── bootstrap
    └── css
        ├── bootstrap-theme.css
        ├── bootstrap-theme.min.css
        ├── bootstrap.css
        └── bootstrap.min.css

options.subPath

Type: Number or Array of two Numbers [begin, end]

This options applies Array.slice to the array of path elements and allows you to receive a subsequences of the path.

gulp.src(['bower_components/**/*.css'])
  .pipe(flatten({ subPath: [1, 1]} ))
  .pipe(gulp.dest('build/'));

This as an example would flatten top1/top2/bottom2/bottom1/file.txt to top2/file.txt.

[1, -1] would flatten top1/top2/bottom2/bottom1/file.txt to top2/bottom2/file.txt.

Please refer to the Array.slice documentation for a detailed description.

! If you're using both options.includeParents combined with options.subPath please note that options.includeParents is applied first.

License

MIT

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