From e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d Mon Sep 17 00:00:00 2001
From: Piotr Russ <mail@pruss.it>
Date: Mon, 16 Nov 2020 00:10:28 +0100
Subject: api, login, auth

---
 node_modules/globby/stream-utils.js | 46 +++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 node_modules/globby/stream-utils.js

(limited to 'node_modules/globby/stream-utils.js')

diff --git a/node_modules/globby/stream-utils.js b/node_modules/globby/stream-utils.js
new file mode 100644
index 0000000..98aedc8
--- /dev/null
+++ b/node_modules/globby/stream-utils.js
@@ -0,0 +1,46 @@
+'use strict';
+const {Transform} = require('stream');
+
+class ObjectTransform extends Transform {
+	constructor() {
+		super({
+			objectMode: true
+		});
+	}
+}
+
+class FilterStream extends ObjectTransform {
+	constructor(filter) {
+		super();
+		this._filter = filter;
+	}
+
+	_transform(data, encoding, callback) {
+		if (this._filter(data)) {
+			this.push(data);
+		}
+
+		callback();
+	}
+}
+
+class UniqueStream extends ObjectTransform {
+	constructor() {
+		super();
+		this._pushed = new Set();
+	}
+
+	_transform(data, encoding, callback) {
+		if (!this._pushed.has(data)) {
+			this.push(data);
+			this._pushed.add(data);
+		}
+
+		callback();
+	}
+}
+
+module.exports = {
+	FilterStream,
+	UniqueStream
+};
-- 
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