tsoa

node_modules/@hapi/b64/lib/encoder.js

@@ -0,0 +1,52 @@
+'use strict';
+
+/*
+    Encode functions adapted from:
+    Version 1.0 12/25/99 Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>
+    http://www.onicos.com/staff/iz/amuse/javascript/expert/base64.txt
+*/
+
+const Stream = require('stream');
+
+
+const internals = {};
+
+
+exports.encode = function (buffer) {
+
+    return Buffer.from(buffer.toString('base64'));
+};
+
+
+exports.Encoder = class Encoder extends Stream.Transform {
+    constructor() {
+
+        super();
+        this._reminder = null;
+    }
+
+    _transform(chunk, encoding, callback) {
+
+        let part = this._reminder ? Buffer.concat([this._reminder, chunk]) : chunk;
+        const remaining = part.length % 3;
+        if (remaining) {
+            this._reminder = part.slice(part.length - remaining);
+            part = part.slice(0, part.length - remaining);
+        }
+        else {
+            this._reminder = null;
+        }
+
+        this.push(exports.encode(part));
+        return callback();
+    }
+
+    _flush(callback) {
+
+        if (this._reminder) {
+            this.push(exports.encode(this._reminder));
+        }
+
+        return callback();
+    }
+};