Added: lineBreak option

Ref: postcss/postcss-selector-matches#1

Author: MoOx

plugins/postcss-selector-not/CHANGELOG.md

@@ -1,3 +1,7 @@
+# 1.1.0 - 2015-06-13
+
+- Added: `lineBreak` option
+
 # 1.0.2 - 2015-06-13
 
 - Fixed: support of pseudo classes that use parenthesis

plugins/postcss-selector-not/README.md

@@ -37,6 +37,14 @@ p:not(:first-child), p:not(.special) {
 }
 ```
 
+## Options
+
+### `lineBreak`
+
+(default: `false`)
+
+Allows you to introduce a line break between generated selectors.
+
 ---
 
 ## [Changelog](CHANGELOG.md)

plugins/postcss-selector-not/package.json

@@ -1,6 +1,6 @@
 {
   "name": "postcss-selector-not",
-  "version": "1.0.2",
+  "version": "1.1.0",
   "description": "PostCSS plugin to transform :not() W3C CSS leve 4 pseudo class to :not() CSS level 3 selectors",
   "keywords": [
     "postcss",

plugins/postcss-selector-not/src/index.js

@@ -26,15 +26,17 @@ function explodeSelector(pseudoClass, selector) {
 }
 
 function explodeSelectors(pseudoClass) {
-  return () => {
+  return (options = {}) => {
     return (css) => {
       css.eachRule(rule => {
         if (rule.selector && rule.selector.indexOf(pseudoClass) > -1) {
-          rule.selector = explodeSelector(pseudoClass, rule.selector).join(", ")
+          rule.selector = explodeSelector(pseudoClass, rule.selector)
+            .join("," + (options.lineBreak ? "\n" + rule.before : " "))
         }
       })
     }
   }
 }
 
+
 export default postcss.plugin("postcss-selector-not", explodeSelectors(":not"))

plugins/postcss-selector-not/test/index.js

@@ -3,8 +3,8 @@ import tape from "tape"
 import postcss from "postcss"
 import selectorNot from "../src/index.js"
 
-function transform(css) {
-  return postcss(selectorNot).process(css).css
+function transform(css, options = {}) {
+  return postcss(selectorNot(options)).process(css).css
 }
 
 tape("postcss-selector-not", t => {
@@ -56,5 +56,26 @@ tape("postcss-selector-not", t => {
     "should transform childs with parenthesis"
   )
 
+  t.equal(
+    transform(`a:not(
+  .b,
+  .c
+) {}`),
+    "a:not(.b), a:not(.c) {}",
+    "should works with lots of whitespace"
+  )
+
+  t.equal(
+    transform(".foo:not(:nth-child(-n+2), .bar) {}", {lineBreak: true}),
+    ".foo:not(:nth-child(-n+2)),\n.foo:not(.bar) {}",
+    "should add line break if asked too"
+  )
+
+  t.equal(
+    transform("  .foo:not(:nth-child(-n+2), .bar) {}", {lineBreak: true}),
+    "  .foo:not(:nth-child(-n+2)),\n  .foo:not(.bar) {}",
+    "should add line break if asked too, and respect indentation"
+  )
+
   t.end()
 })