1 files changed, 49 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/parse5/lib/serializer/stream.js b/tools/eslint/node_modules/parse5/lib/serializer/stream.js
new file mode 100644
index 00000000000..304b28d24b5
--- /dev/null
+++ b/tools/eslint/node_modules/parse5/lib/serializer/stream.js
@@ -0,0 +1,49 @@
+'use strict';
+
+var ReadableStream = require('stream').Readable,
+    inherits = require('util').inherits,
+    Serializer = require('./index');
+
+/**
+ * Streaming AST node to an HTML serializer.
+ * A [readable stream]{@link https://nodejs.org/api/stream.html#stream_class_stream_readable}.
+ * @class SerializerStream
+ * @memberof parse5
+ * @instance
+ * @extends stream.Readable
+ * @param {ASTNode} node - Node to serialize.
+ * @param {SerializerOptions} [options] - Serialization options.
+ * @example
+ * var parse5 = require('parse5');
+ * var fs = require('fs');
+ *
+ * var file = fs.createWriteStream('/home/index.html');
+ *
+ * // Serializes the parsed document to HTML and writes it to the file.
+ * var document = parse5.parse('<body>Who is John Galt?</body>');
+ * var serializer = new parse5.SerializerStream(document);
+ *
+ * serializer.pipe(file);
+ */
+var SerializerStream = module.exports = function (node, options) {
+    ReadableStream.call(this);
+
+    this.serializer = new Serializer(node, options);
+
+    Object.defineProperty(this.serializer, 'html', {
+        //NOTE: To make `+=` concat operator work properly we define
+        //getter which always returns empty string
+        get: function () {
+            return '';
+        },
+        set: this.push.bind(this)
+    });
+};
+
+inherits(SerializerStream, ReadableStream);
+
+//Readable stream implementation
+SerializerStream.prototype._read = function () {
+    this.serializer.serialize();
+    this.push(null);
+};