3 examples of 'btoa nodejs' in JavaScript

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6function btoa(str) {
7 let buffer;
8
9 if (str instanceof Buffer) {
10 buffer = str;
11 } else {
12 buffer = new Buffer(str.toString(), 'binary');
13 }
14
15 return buffer.toString('base64');
16}
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6function atob(str) {
7 // normal window
8 if ('function' === typeof a2b) {
9 return a2b(str);
10 }
11 // browserify (web worker)
12 else if ('function' === typeof Buffer) {
13 return new Buffer(str, 'base64').toString('binary');
14 }
15 // ios web worker with base64js
16 else if ('object' === typeof w.base64js) {
17 // bufferToBinaryString
18 // https://github.com/coolaj86/unibabel-js/blob/master/index.js#L50
19 var buf = w.base64js.b64ToByteArray(str);
20
21 return Array.prototype.map.call(buf, function (ch) {
22 return String.fromCharCode(ch);
23 }).join('');
24 }
25 // ios web worker without base64js
26 else {
27 throw new Error("you're probably in an ios webworker. please include use beatgammit's base64-js");
28 }
29}
10function browserAtob(input) {
11 try {
12 return window.atob(input);
13 } catch (e) {
14 return null;
15 }
16}

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