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{ } scss-to-css

Recursively compile all SCSS files into minified CSS.

โšก Installation

As a global utility:

$ npm install -g @adamlui/scss-to-css

As a dev dependency (e.g. for build scripts), from your project root:

$ npm install -D @adamlui/scss-to-css

As a runtime dependency (e.g. for on-the-fly compilation), from your project root:

$ npm install @adamlui/scss-to-css

๐Ÿ’ป Command line usage

The basic global command is:

$ scss-to-css

Sample output:

๐Ÿ“ Note: Source maps are also generated by default unless -S or --no-source-maps is passed.

To specify input/output paths:

$ scss-to-css [input_path] [output_path]
  • [input_path]: Path to SCSS file or directory containing SCSS files to be compiled, relative to the current working directory.
  • [output_path]: Path to file or directory where CSS + source map files will be stored, relative to original file location (if not provided, css/ is used).

๐Ÿ“ Note: If folders are passed, files will be processed recursively unless -R or --no-recursion is passed.

To use as a package script, in your project's package.json:

  "scripts": {
    "build:css": "<scss-to-css-cmd>"
  },

Replace <scss-to-css-cmd> with scss-to-css + optional args. Then, npm run build:css can be used to run the command.

Example commands

Compile all SCSS files in the current directory (outputs to css/):

$ scss-to-css

Compile all SCSS files in a specific directory (outputs to path/to/your/directory/css/):

$ scss-to-css path/to/your/directory

Compile a specific file (outputs to path/to/your/css/file.min.css):

$ scss-to-css path/to/your/file.scss

Specify both input and output directories (outputs to output_folder/):

$ scss-to-css input_folder output_folder

๐Ÿ“ Note: Output CSS is minified unless -M or --no-minify is passed.

Command line options

Boolean options:
 -n, --dry-run                            Don't actually compile the file(s), just show if they will be processed.
 -d, --include-dotfolders                 Include dotfolders in file search.
 -S, --no-source-maps                     Prevent source maps from being generated.
 -M, --no-minify                          Disable minification of output CSS.
 -R, --no-recursion                       Disable recursive file searching.
 -c, --copy                               Copy compiled CSS to clipboard instead of writing to file if single source file is processed.
 -q, --quiet                              Suppress all logging except errors.

Parameter options:
 --ignore-files="file1.scss,file2.scss"   Files to exclude from compilation.
 --comment="comment"                      Prepend header comment to compiled CSS. Separate by line using '\n'.

Info commands:
 -h, --help                               Display help screen.
 -v, --version                            Show version number.

๐Ÿ”Œ API usage

You can also import scss-to-css into your app to use its API methods, both as an ECMAScript module or a CommonJS module.

ECMAScript*:

import * as scssToCSS from '@adamlui/scss-to-css';

CJS:

const scssToCSS = require('@adamlui/scss-to-css');
*Node.js version 14 or higher required

compile(input[, options])

๐Ÿ’ก Compiles SCSS based on the string input supplied.

If source code is passed, it is directly compiled, then an object containing srcPath + code + srcMap + error is returned:

const srcCode = 'h1 { font-size: 40px ; code { font-face: Roboto Mono }}',
      compileResult = scssToCSS.compile(srcCode);

console.log(compileResult.error); // outputs runtime error, or `undefined` if no error
console.log(compileResult.code);  // outputs minified CSS: 'h1{font-size:40px}h1 code{font-face:Roboto Mono}'

If a file path is passed, the file's code is loaded then compiled to CSS, returning an object like above.

If a directory path is passed, SCSS files are searched for (recursively by default), each one's code is loaded then compiled, then an array of objects containing srcPath + code + srcMap + error is returned:

// Outputs paths to SCSS files in working directory + all nested directories
const compileResults = scssToCSS.compile('.');
compileResults.forEach(result => console.log(result.srcPath));

// Outputs compiled CSS from 2nd SCSS file if found, or `undefined` if not found
console.log(compileResults[1].code);

Options are boolean, passed as object properties. For example:

// Returns array of data objects where `.code` contains unminified CSS
scssToCSS.compile(inputDir, { minify: false });

Available parameters (and their default settings) are:

Name Type Desciption Default value
recursive Boolean Recursively search for nested files if dir path passed. true
verbose Boolean Show logging in console/terminal. true
dotFolders Boolean Include dotfolders in file search. false
minify Boolean Minify output CSS. true
sourceMaps Boolean Generate CSS source maps. true
ignoreFiles Array Files (by name) to exclude from compilation. []
comment String Header comment to prepend to compiled CSS. Separate by line using '\n'. ''

findSCSS(searchDir[, options])

๐Ÿ’ก Searches for all SCSS files within the searchDir string passed (useful for discovering what files compile() will process) and returns an array containing their filepaths.

Options are boolean, passed as object properties. For example:

// Search for SCSS files in exactly assets/scss
const searchResults = scssToCSS.findSCSS('assets/scss', { recursive: false });
console.log(searchResults);

/* sample output:

findSCSS() ยป Searching for SCSS files...
findSCSS() ยป Search complete! 2 files found.
findSCSS() ยป Check returned array.
[
  'E:\\js\\utils\\scss-to-css\assets\\scss\\foo.scss',
  'E:\\js\\utils\\scss-to-css\assets\\scss\\bar.scss'
]
*/

Available parameters (and their default settings) are:

Name Type Desciption Default value
recursive Boolean Recursively search for nested files in searchDir passed. true
verbose Boolean Show logging in console/terminal. true
dotFolders Boolean Include dotfolders in file search. false
ignoreFiles Array Files (by name) to exclude from search results. []

๐Ÿ›๏ธ MIT License

Copyright ยฉ 2024 Adam Lui & contributors

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


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