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lisp/emacs-application-framework/app/mermaid/node_modules/scope-css/readme.md

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+# scope-css [![unstable](https://img.shields.io/badge/stability-unstable-green.svg)](http://github.com/badges/stability-badges) [![Build Status](https://img.shields.io/travis/dy/scope-css.svg)](https://travis-ci.org/dy/scope-css)
+
+Prefix or nest each style selector in a css string. Useful to create namespaced css for components, themes, applications, modular css etc. Also it is tiny.
+
+## Usage
+
+[![npm install scope-css](https://nodei.co/npm/scope-css.png?mini=true)](https://npmjs.org/package/scope-css/)
+
+```js
+const scope = require('scope-css');
+
+scope(`
+.my-component {}
+.my-component-element {}
+`, '.parent');
+
+/*
+`
+.parent .my-component {}
+.parent .my-component-element {}
+`
+*/
+```
+
+## API
+
+## css = scope(css, parent, options?)
+
+Return css string with each rule prefixed with the parent selector. Note that `parent` selector itself will be ignored. Also each `:host` keyword will be replaced with `parent` value. Example:
+
+```js
+scope(`
+	.panel {}
+	:host {}
+	:host .my-element {}
+	.panel .my-element {}
+	.my-element {}
+`, '.panel');
+
+/*
+`
+	.panel {}
+	.panel {}
+	.panel .my-element {}
+	.panel .my-element {}
+	.panel .my-element {}
+`
+*/
+```
+
+Options can scope keyframes via `{ keyframes: bool|prefixStr }` option, eg.
+
+```js
+scope(`
+	.panel {
+		animation: infinite loading 4s;
+	}
+	@keyframes loading {
+		from { top: 0; }
+		to { top: 100px; }
+	}
+`, '.panel', { keyframes: true })
+
+/*
+`
+.panel {
+	animation: infinite panel-loading 4s;
+}
+@keyframes panel-loading {
+	from { top: 0; }
+	to { top: 100px; }
+`)
+*/
+```
+
+## css = scope.replace(css, 'replacement $1$2')
+
+Apply replace to css, where `$1` is matched selectors and `$2` is rules for the selectors. It does not do any self/host detection, so use it for more flexible replacements.
+
+```js
+scope.replace(`
+	.my-component, .my-other-component {
+		padding: 0;
+	}
+`, '$1');
+
+// `.my-component, my-other-component`
+```
+
+## Credits
+
+Based on [this question](http://stackoverflow.com/questions/12575845/what-is-the-regex-of-a-css-selector).