exports = cfg => ĭefault properties and media query modifications can then be defined in the same selector.Alex Sexton was one of the first people to define the role of front-end operations in an article for Smashing Magazine. The module must export a single function: // PostCSS configuration files are JavaScript module files named and typically stored in the project’s root directory (or whichever directory you run PostCSS from). You can define it as an npm script, but a PostCSS configuration file is an easier option that offers additional possibilities. The command line quickly becomes unwieldy for longer lists of plugins. Optionally, you could add -watch to auto-compile when.
#Ghostlab not compiling sass install#
scss parsing with plugins for partials, variables, mixins, nesting, and auto-prefixing: npm install -save-dev postcss postcss-cli postcss-scss postcss-advanced-variables postcss-nested autoprefixer Set up PostCSS by installing the following modules for basic. If necessary, initialize a new Node.js project with npm init.
#Ghostlab not compiling sass how to#
PostCSS can be used with webpack, Parcel, Gulp.js, and other build tools, but this tutorial shows how to run it from the command line. If necessary, you can write your own plugins in a standard JavaScript module that can harness the power of Node.js. Most perform a single task, so if you don’t want nesting, don’t add a nesting plugin. Processing functionality requires one or more of the many plugins available. PostCSS is considerably more configurable. Perhaps you’d prefer your team not to use nesting or Linting rules will help, but they won’t stop Sass compiling valid. You can’t easily restrict the feature set. It may be possible to write a custom function, but other requirements will be impossible - such as inlining an SVG as a background image.
Perhaps you’d like an option convert HSLA colors to RGB. The Sass language includes a large set of features including variables, nesting, partials, mixins, and more. A two-stage process can be slower than using PostCSS alone, since much of its work involves tokenizing CSS properties. However, this speed difference will be less noticeable if you’re already running PostCSS after Sass.
PostCSS is pure JavaScript and, while benchmarks will differ, it can be three times slower at compiling the same source code. The slow, Ruby-based Sass compiler has long gone and the latest edition uses a compiled Dart runtime. However, if you’re already using PostCSS for Autoprefixer or other purposes, Sass may not be necessary. Even though PostCSS may not use them, it can’t be considered as a lightweight alternative. This is mostly npm installing other dependencies. In reality, your node_modules folder will expand to more than 60MB and increase rapidly as more plugins are added. PostCSS should require fewer resources and a basic Sass-like compiler with auto-prefixing, and minification needs less than 1MB of space. The latest version of Sass requires less than 5MB of installation space. Source maps are automatically generated ( -no-source-map will switch them off) or -watch can be added to auto-compile source files when they change. The latest Dart version of Sass can be installed globally using the Node.js npm package manager: npm install -g sassĬompile Sass. There’s nothing wrong with the Sass compiler, but consider the following factors.
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