Refactor code-style

Author: wooorm

.prettierignore

@@ -0,0 +1,3 @@
+coverage/
+unist-util-source.js
+unist-util-source.min.js

index.js

@@ -1,37 +1,37 @@
-'use strict';
+'use strict'
 
-var location = require('vfile-location');
+var location = require('vfile-location')
 
-module.exports = source;
+module.exports = source
 
 function source(value, file) {
-  var doc = String(file);
-  var loc = location(file);
-  var val = value && value.position ? value.position : value || {};
-  var start;
-  var end;
-  var indents;
-  var indent;
-  var lines;
-  var length;
-  var index;
-
-  start = loc.toOffset(val.start);
-  end = loc.toOffset(val.end);
-  indents = val.indent || [];
+  var doc = String(file)
+  var loc = location(file)
+  var val = value && value.position ? value.position : value || {}
+  var start
+  var end
+  var indents
+  var indent
+  var lines
+  var length
+  var index
+
+  start = loc.toOffset(val.start)
+  end = loc.toOffset(val.end)
+  indents = val.indent || []
 
   if (start === -1 || end === -1) {
-    return null;
+    return null
   }
 
-  lines = doc.slice(start, end).split('\n');
-  length = lines.length;
-  index = 0;
+  lines = doc.slice(start, end).split('\n')
+  length = lines.length
+  index = 0
 
   while (++index < length) {
-    indent = indents[index - 1];
-    lines[index] = lines[index].slice(indent ? indent - 1 : 0);
+    indent = indents[index - 1]
+    lines[index] = lines[index].slice(indent ? indent - 1 : 0)
   }
 
-  return lines.join('\n');
+  return lines.join('\n')
 }

package.json

@@ -25,30 +25,38 @@
     "browserify": "^16.0.0",
     "esmangle": "^1.0.1",
     "nyc": "^11.0.0",
+    "prettier": "^1.12.1",
     "remark": "^9.0.0",
     "remark-cli": "^5.0.0",
     "remark-preset-wooorm": "^4.0.0",
     "tape": "^4.0.0",
     "xo": "^0.20.0"
   },
   "scripts": {
-    "build-md": "remark . -qfo",
+    "format": "remark . -qfo && prettier --write '**/*.js' && xo --fix",
     "build-bundle": "browserify index.js --bare -s unistUtilSource > unist-util-source.js",
     "build-mangle": "esmangle < unist-util-source.js > unist-util-source.min.js",
-    "build": "npm run build-md && npm run build-bundle && npm run build-mangle",
-    "lint": "xo",
+    "build": "npm run build-bundle && npm run build-mangle",
     "test-api": "node test",
     "test-coverage": "nyc --reporter lcov tape test.js",
-    "test": "npm run build && npm run lint && npm run test-coverage"
+    "test": "npm run format && npm run build && npm run test-coverage"
   },
   "nyc": {
     "check-coverage": true,
     "lines": 100,
     "functions": 100,
     "branches": 100
   },
+  "prettier": {
+    "tabWidth": 2,
+    "useTabs": false,
+    "singleQuote": true,
+    "bracketSpacing": false,
+    "semi": false,
+    "trailingComma": "none"
+  },
   "xo": {
-    "space": true,
+    "prettier": true,
     "esnext": false,
     "rules": {
       "guard-for-in": "off",

readme.md

@@ -23,16 +23,18 @@ Say we have the following file, `example.md`:
 And our script, `example.js`, looks as follows:
 
 ```javascript
-var vfile = require('to-vfile');
-var unified = require('unified');
-var parse = require('remark-parse');
-var source = require('unist-util-source');
-
-var file = vfile.readSync('example.md');
-var tree = unified().use(parse).parse(file);
-
-var list = tree.children[0].children[0];
-console.log(source(list, file));
+var vfile = require('to-vfile')
+var unified = require('unified')
+var parse = require('remark-parse')
+var source = require('unist-util-source')
+
+var file = vfile.readSync('example.md')
+var tree = unified()
+  .use(parse)
+  .parse(file)
+
+var list = tree.children[0].children[0]
+console.log(source(list, file))
 ```
 
 Now, running `node example` yields:

test.js

@@ -1,55 +1,54 @@
-'use strict';
+'use strict'
 
-var test = require('tape');
-var remark = require('remark');
-var source = require('.');
+var test = require('tape')
+var remark = require('remark')
+var source = require('.')
 
-test('unist-util-source', function (t) {
-  t.plan(10);
+test('unist-util-source', function(t) {
+  t.plan(10)
 
-  remark().use(function () {
-    return transformer;
-    function transformer(tree, file) {
-      var node = tree;
+  remark()
+    .use(function() {
+      return transformer
+      function transformer(tree, file) {
+        var node = tree
 
-      t.equal(source(node, file), '> + **[Hello](./example)**\n> world.');
+        t.equal(source(node, file), '> + **[Hello](./example)**\n> world.')
 
-      /* Blockquote. */
-      node = tree.children[0];
-      t.equal(source(node, file), '> + **[Hello](./example)**\n> world.');
+        /* Blockquote. */
+        node = tree.children[0]
+        t.equal(source(node, file), '> + **[Hello](./example)**\n> world.')
 
-      /* List. */
-      node = node.children[0];
-      t.equal(source(node, file), '+ **[Hello](./example)**\nworld.');
+        /* List. */
+        node = node.children[0]
+        t.equal(source(node, file), '+ **[Hello](./example)**\nworld.')
 
-      /* List-item. */
-      node = node.children[0];
-      t.equal(source(node, file), '+ **[Hello](./example)**\nworld.');
+        /* List-item. */
+        node = node.children[0]
+        t.equal(source(node, file), '+ **[Hello](./example)**\nworld.')
 
-      /* Paragraph. */
-      node = node.children[0];
-      t.equal(source(node, file), '**[Hello](./example)**\nworld.');
+        /* Paragraph. */
+        node = node.children[0]
+        t.equal(source(node, file), '**[Hello](./example)**\nworld.')
 
-      /* Strong. */
-      node = node.children[0];
-      t.equal(source(node, file), '**[Hello](./example)**');
+        /* Strong. */
+        node = node.children[0]
+        t.equal(source(node, file), '**[Hello](./example)**')
 
-      /* Link. */
-      node = node.children[0];
-      t.equal(source(node, file), '[Hello](./example)');
+        /* Link. */
+        node = node.children[0]
+        t.equal(source(node, file), '[Hello](./example)')
 
-      /* Text. */
-      node = node.children[0];
-      t.equal(source(node, file), 'Hello');
+        /* Text. */
+        node = node.children[0]
+        t.equal(source(node, file), 'Hello')
 
-      /* Generated. */
-      t.equal(source({type: node.type, value: node.value}, file), null);
+        /* Generated. */
+        t.equal(source({type: node.type, value: node.value}, file), null)
 
-      /* Missing. */
-      t.equal(source(null, file), null);
-    }
-  }).processSync([
-    '> + **[Hello](./example)**',
-    '> world.'
-  ].join('\n'));
-});
+        /* Missing. */
+        t.equal(source(null, file), null)
+      }
+    })
+    .processSync(['> + **[Hello](./example)**', '> world.'].join('\n'))
+})