Add .gitattributes (codesandbox#203)

* Add .gitattributes

This makes it easier for Windows users to contribute.

See https://eslint.org/docs/rules/linebreak-style#using-this-rule-with-version-control-systems

* Normalize line endings in parser-postcss.js

Author: tansongyang

.gitattributes

@@ -0,0 +1,2 @@
+* text=auto
+*.js text eol=lf

static/js/prettier/parser-postcss.js

@@ -11567,24 +11567,24 @@ function Container(opts) {
   this.nodes.forEach(function (node) {
     node.parent = _this; // eslint-disable-line no-param-reassign
   });
-} /**
-   * A node that contains other nodes and support traversing over them
+} /**
+   * A node that contains other nodes and support traversing over them
    */
 
 Container.prototype = Object.create(_Node2.default.prototype);
 Container.constructor = _Node2.default;
 
-/**
- * Iterate over descendant nodes of the node
- *
- * @param {RegExp|string} filter - Optional. Only nodes with node.type that
- *    satisfies the filter will be traversed over
- * @param {function} cb - callback to call on each node. Takes theese params:
- *    node - the node being processed, i - it's index, nodes - the array
- *    of all nodes
- *    If false is returned, the iteration breaks
- *
- * @return (boolean) false, if the iteration was broken
+/**
+ * Iterate over descendant nodes of the node
+ *
+ * @param {RegExp|string} filter - Optional. Only nodes with node.type that
+ *    satisfies the filter will be traversed over
+ * @param {function} cb - callback to call on each node. Takes theese params:
+ *    node - the node being processed, i - it's index, nodes - the array
+ *    of all nodes
+ *    If false is returned, the iteration breaks
+ *
+ * @return (boolean) false, if the iteration was broken
  */
 Container.prototype.walk = function walk(filter, cb) {
   var hasFilter = typeof filter === 'string' || filter instanceof RegExp;
@@ -11604,15 +11604,15 @@ Container.prototype.walk = function walk(filter, cb) {
   return true;
 };
 
-/**
- * Iterate over immediate children of the node
- *
- * @param {function} cb - callback to call on each node. Takes theese params:
- *    node - the node being processed, i - it's index, nodes - the array
- *    of all nodes
- *    If false is returned, the iteration breaks
- *
- * @return (boolean) false, if the iteration was broken
+/**
+ * Iterate over immediate children of the node
+ *
+ * @param {function} cb - callback to call on each node. Takes theese params:
+ *    node - the node being processed, i - it's index, nodes - the array
+ *    of all nodes
+ *    If false is returned, the iteration breaks
+ *
+ * @return (boolean) false, if the iteration was broken
  */
 Container.prototype.each = function each() {
   var cb = arguments.length <= 0 || arguments[0] === undefined ? function () {} : arguments[0];
@@ -11638,8 +11638,8 @@ exports.default = Container;
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-/**
- * A very generic node. Pretty much any element of a media query
+/**
+ * A very generic node. Pretty much any element of a media query
  */
 
 function Node(opts) {
@@ -15198,55 +15198,55 @@ module.exports = unique;
 /* 85 */
 /***/ (function(module, exports) {
 
-var g;
-
-// This works in non-strict mode
-g = (function() {
-	return this;
-})();
-
-try {
-	// This works if eval is allowed (see CSP)
-	g = g || Function("return this")() || (1,eval)("this");
-} catch(e) {
-	// This works if the window reference is available
-	if(typeof window === "object")
-		g = window;
-}
-
-// g can still be undefined, but nothing to do about it...
-// We return undefined, instead of nothing here, so it's
-// easier to handle this case. if(!global) { ...}
-
-module.exports = g;
+var g;
+
+// This works in non-strict mode
+g = (function() {
+	return this;
+})();
+
+try {
+	// This works if eval is allowed (see CSP)
+	g = g || Function("return this")() || (1,eval)("this");
+} catch(e) {
+	// This works if the window reference is available
+	if(typeof window === "object")
+		g = window;
+}
+
+// g can still be undefined, but nothing to do about it...
+// We return undefined, instead of nothing here, so it's
+// easier to handle this case. if(!global) { ...}
+
+module.exports = g;
 
 
 /***/ }),
 /* 86 */
 /***/ (function(module, exports) {
 
-module.exports = function(module) {
-	if(!module.webpackPolyfill) {
-		module.deprecate = function() {};
-		module.paths = [];
-		// module.parent = undefined by default
-		if(!module.children) module.children = [];
-		Object.defineProperty(module, "loaded", {
-			enumerable: true,
-			get: function() {
-				return module.l;
-			}
-		});
-		Object.defineProperty(module, "id", {
-			enumerable: true,
-			get: function() {
-				return module.i;
-			}
-		});
-		module.webpackPolyfill = 1;
-	}
-	return module;
-};
+module.exports = function(module) {
+	if(!module.webpackPolyfill) {
+		module.deprecate = function() {};
+		module.paths = [];
+		// module.parent = undefined by default
+		if(!module.children) module.children = [];
+		Object.defineProperty(module, "loaded", {
+			enumerable: true,
+			get: function() {
+				return module.l;
+			}
+		});
+		Object.defineProperty(module, "id", {
+			enumerable: true,
+			get: function() {
+				return module.i;
+			}
+		});
+		module.webpackPolyfill = 1;
+	}
+	return module;
+};
 
 
 /***/ }),
@@ -15293,25 +15293,25 @@ var _parsers = __webpack_require__(125);
 
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
-/**
- * Parses a media query list into an array of nodes. A typical node signature:
- *  {string} node.type -- one of: 'media-query', 'media-type', 'keyword',
- *    'media-feature-expression', 'media-feature', 'colon', 'value'
- *  {string} node.value -- the contents of a particular element, trimmed
- *    e.g.: `screen`, `max-width`, `1024px`
- *  {string} node.after -- whitespaces that follow the element
- *  {string} node.before -- whitespaces that precede the element
- *  {string} node.sourceIndex -- the index of the element in a source media
- *    query list, 0-based
- *  {object} node.parent -- a link to the parent node (a container)
- *
- * Some nodes (media queries, media feature expressions) contain other nodes.
- * They additionally have:
- *  {array} node.nodes -- an array of nodes of the type described here
- *  {funciton} node.each -- traverses direct children of the node, calling
- *    a callback for each one
- *  {funciton} node.walk -- traverses ALL descendants of the node, calling
- *    a callback for each one
+/**
+ * Parses a media query list into an array of nodes. A typical node signature:
+ *  {string} node.type -- one of: 'media-query', 'media-type', 'keyword',
+ *    'media-feature-expression', 'media-feature', 'colon', 'value'
+ *  {string} node.value -- the contents of a particular element, trimmed
+ *    e.g.: `screen`, `max-width`, `1024px`
+ *  {string} node.after -- whitespaces that follow the element
+ *  {string} node.before -- whitespaces that precede the element
+ *  {string} node.sourceIndex -- the index of the element in a source media
+ *    query list, 0-based
+ *  {object} node.parent -- a link to the parent node (a container)
+ *
+ * Some nodes (media queries, media feature expressions) contain other nodes.
+ * They additionally have:
+ *  {array} node.nodes -- an array of nodes of the type described here
+ *  {funciton} node.each -- traverses direct children of the node, calling
+ *    a callback for each one
+ *  {funciton} node.walk -- traverses ALL descendants of the node, calling
+ *    a callback for each one
  */
 
 function parseMedia(value) {
@@ -18215,14 +18215,14 @@ var _Container2 = _interopRequireDefault(_Container);
 
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
-/**
- * Parses a media feature expression, e.g. `max-width: 10px`, `(color)`
- *
- * @param {string} string - the source expression string, can be inside parens
- * @param {Number} index - the index of `string` in the overall input
- *
- * @return {Array} an array of Nodes, the first element being a media feature,
- *    the secont - its value (may be missing)
+/**
+ * Parses a media feature expression, e.g. `max-width: 10px`, `(color)`
+ *
+ * @param {string} string - the source expression string, can be inside parens
+ * @param {Number} index - the index of `string` in the overall input
+ *
+ * @return {Array} an array of Nodes, the first element being a media feature,
+ *    the secont - its value (may be missing)
  */
 
 function parseMediaFeature(string) {
@@ -18321,13 +18321,13 @@ function parseMediaFeature(string) {
   return result;
 }
 
-/**
- * Parses a media query, e.g. `screen and (color)`, `only tv`
- *
- * @param {string} string - the source media query string
- * @param {Number} index - the index of `string` in the overall input
- *
- * @return {Array} an array of Nodes and Containers
+/**
+ * Parses a media query, e.g. `screen and (color)`, `only tv`
+ *
+ * @param {string} string - the source media query string
+ * @param {Number} index - the index of `string` in the overall input
+ *
+ * @return {Array} an array of Nodes and Containers
  */
 
 function parseMediaQuery(string) {
@@ -18483,13 +18483,13 @@ function parseMediaQuery(string) {
   return result;
 }
 
-/**
- * Parses a media query list. Takes a possible `url()` at the start into
- * account, and divides the list into media queries that are parsed separately
- *
- * @param {string} string - the source media query list string
- *
- * @return {Array} an array of Nodes/Containers
+/**
+ * Parses a media query list. Takes a possible `url()` at the start into
+ * account, and divides the list into media queries that are parsed separately
+ *
+ * @param {string} string - the source media query list string
+ *
+ * @return {Array} an array of Nodes/Containers
  */
 
 function parseMediaList(string) {