Normalize plugin interface

README.md

@@ -8,8 +8,6 @@ Remove empty paragraphs left from other [mdast] transformations.
 
 Paragraph is considered empty if it is composed from whitespace characters.
 
-This module provides both AST transformation and a plugin.
-
 [mdast]: https://github.com/wooorm/mdast
 
 [travis]: https://travis-ci.org/eush77/mdast-squeeze-paragraphs
@@ -20,7 +18,7 @@ This module provides both AST transformation and a plugin.
 ## Example
 
 ```js
-> mdastSqueezeParagraphs = require('mdast-squeeze-paragraphs/plugin')
+> mdastSqueezeParagraphs = require('mdast-squeeze-paragraphs')
 
 > mdast.use(mdastStripBadges)
        .process('![](http://img.shields.io/)\n\ntext')
@@ -34,13 +32,19 @@ This module provides both AST transformation and a plugin.
 
 ## API
 
-#### `mdastSqueezeParagraphs(ast)`
+```js
+var mdastSqueezeParagraphs = require('mdast-squeeze-paragraphs');
+
+mdast.use(mdastSqueezeParagraphs)
+```
 
-Remove empty paragraphs from the AST. Return the reference to the AST for convenience.
+Modifies AST in-place.
 
-#### `mdast.use(require('mdast-squeeze-paragraphs/plugin'))`
+## CLI
 
-Use this transformation as a plugin.
+```
+mdast -u mdast-squeeze-paragraphs
+```
 
 ## Install
 

index.js

@@ -1,12 +1,14 @@
 'use strict';
 
 
-module.exports = function (ast) {
-  ast.children = ast.children.filter(function (node) {
-    return node.type != 'paragraph' || node.children.some(function (node) {
-      return node.type != 'text' || !/^\s*$/.test(node.value);
+module.exports = function () {
+  return function (ast) {
+    ast.children = ast.children.filter(function (node) {
+      return node.type != 'paragraph' || node.children.some(function (node) {
+        return node.type != 'text' || !/^\s*$/.test(node.value);
+      });
     });
-  });
 
-  return ast;
+    return ast;
+  };
 };

package.json

@@ -8,8 +8,7 @@
     "test": "tape test/*.js"
   },
   "files": [
-    "index.js",
-    "plugin.js"
+    "index.js"
   ],
   "homepage": "https://github.com/eush77/mdast-squeeze-paragraphs",
   "repository": "eush77/mdast-squeeze-paragraphs",

test/test.js

@@ -1,7 +1,6 @@
 'use strict';
 
-var mdastSqueezeParagraphs = require('..'),
-    mdastSqueezeParagraphsPlugin = require('../plugin');
+var mdastSqueezeParagraphs = require('..');
 
 var test = require('tape'),
     mdast = require('mdast'),
@@ -12,9 +11,6 @@ test(function (t) {
   var input = require('./input');
   var output = require('./output');
 
-  t.deepEqual(mdastSqueezeParagraphs(clone(input)), output,
-              'Works as an AST transformation');
-  t.deepEqual(mdast.use(mdastSqueezeParagraphsPlugin).run(input), output,
-              'Works as a plugin');
+  t.deepEqual(mdast.use(mdastSqueezeParagraphs).run(input), output);
   t.end();
 });