add html2canvas

node_modules/base64-arraybuffer/dist/base64-arraybuffer.umd.js

@@ -0,0 +1,61 @@
+/*
+ * base64-arraybuffer 1.0.2 <https://github.com/niklasvh/base64-arraybuffer>
+ * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
+ * Released under MIT License
+ */
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+    typeof define === 'function' && define.amd ? define(['exports'], factory) :
+    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global['base64-arraybuffer'] = {}));
+}(this, (function (exports) { 'use strict';
+
+    var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+    // Use a lookup table to find the index.
+    var lookup = typeof Uint8Array === 'undefined' ? [] : new Uint8Array(256);
+    for (var i = 0; i < chars.length; i++) {
+        lookup[chars.charCodeAt(i)] = i;
+    }
+    var encode = function (arraybuffer) {
+        var bytes = new Uint8Array(arraybuffer), i, len = bytes.length, base64 = '';
+        for (i = 0; i < len; i += 3) {
+            base64 += chars[bytes[i] >> 2];
+            base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
+            base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
+            base64 += chars[bytes[i + 2] & 63];
+        }
+        if (len % 3 === 2) {
+            base64 = base64.substring(0, base64.length - 1) + '=';
+        }
+        else if (len % 3 === 1) {
+            base64 = base64.substring(0, base64.length - 2) + '==';
+        }
+        return base64;
+    };
+    var decode = function (base64) {
+        var bufferLength = base64.length * 0.75, len = base64.length, i, p = 0, encoded1, encoded2, encoded3, encoded4;
+        if (base64[base64.length - 1] === '=') {
+            bufferLength--;
+            if (base64[base64.length - 2] === '=') {
+                bufferLength--;
+            }
+        }
+        var arraybuffer = new ArrayBuffer(bufferLength), bytes = new Uint8Array(arraybuffer);
+        for (i = 0; i < len; i += 4) {
+            encoded1 = lookup[base64.charCodeAt(i)];
+            encoded2 = lookup[base64.charCodeAt(i + 1)];
+            encoded3 = lookup[base64.charCodeAt(i + 2)];
+            encoded4 = lookup[base64.charCodeAt(i + 3)];
+            bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
+            bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
+            bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
+        }
+        return arraybuffer;
+    };
+
+    exports.decode = decode;
+    exports.encode = encode;
+
+    Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
+//# sourceMappingURL=base64-arraybuffer.umd.js.map