Here's how you can do it: const buf = Buffer. var bitmap = fs. const imageBase64 = imageBuffer. data:image/png;base64,${element. toString('base64') and to decode it just use. js react-validatorjs-strategy Node. 0. 1. post('uri', photoData, config) Here is my img data : img data. log(Buffer. from("4pyTIMOgIGxhIG1vZGU=", "base64"). Mar 26, 2021 · I added photos to the MongoDB database using multer and I want to display them now, the console data looks like this: enter image description here The simplest way to convert a string to Base64 encoded format in Node. The code still works as expected, but I was wondering if it is safe to use atob or there is maybe some other solution which I am unaware of? Jan 31, 2017 · 186. まずバイナリデータを処理しようとしている環境がNode. The btoa() method of the Window interface creates a Base64 -encoded ASCII string from a binary string (i. For example, if you create a buffer from a string using Buffer. showShortBottom('Successfuly wrote to device') this JWTとは公式サイトJSON Web Tokenの略 電子署名により、改ざん検知できる。認証用のトークンなどで用いられる。構成ヘッダ、ペイロード、署名の3つから成る。 Base64 encoding and decoding helping util. toString('base64'); Syntax for Decoding base64 value to string object: let decodedVal = Buffer. Start using string-encode in your project by running `npm i string-encode`. Thanks! Nov 8, 2021 · If the web was providing an API that does what buf. 11. getBase64ForTag (uri) to get the base64 data of the new image (pass the uri you got from the cropImage function, not the original). May 7, 2015 · If trying to decode a Base64 representation of utf8 encoded data in node, you can use the native Buffer helper. Thanks! Nov 9, 2021 · I'm tried to convert to base64, but it's not works as expected, i can't finding a way to do this, and i don't know what i'm doing wrong, i'm tried to use JSON, but it also doesn't works. Get the file name of the current file. and show it in the tag but it is not showing. Syntax for Encoding string to base64 value: let base64Val = Buffer. Quick solution: Encoding In this example, we create a B Jun 15, 2013 · You can use the base64-stream Node. from(await blob. toString('base64') newBuf = Buffer(base64String, 'base64') Jul 31, 2023 · Converting SHA-256 to base64 in Node. When we have It’s, node encodes the characters, but when I decode, I see it as It’s. The legacy version with Node. There are a lot of places where base64url encoding / decoding are already Mar 12, 2021 · I have this function where I call a function and have a local file as the parameter to convert it to base64. この実行結果は次にのようになります。. return new Promise((resolve Oct 3, 2012 · If your data may contain multi-byte sequences (not a plain ASCII sequence) and your browser has TextDecoder, then you should use that to decode your data (specify the required encoding for the TextDecoder): Jun 15, 2022 · The Node. original = user1:password-goes-here! decoded = user1:password-goes-here! ちゃんと、エンコードした文字列から元の文字列に戻ったことが確認できました Jul 4, 2015 · 1. js環境の場合は Jan 15, 2024 · The crypto. Get the path to an executable bin file . The Crypto. My file is a log file. May 20, 2021 · crypto randomBytes () Method in Node js - The crypto. mido. js core Buffer API allows base64 encoding for cases like Basic authentication. const objJsonStr = JSON. js is via the built-in Bufferclass. Global alias for buffer. toString('ascii') As far as it goes to your code, its not wrong base64 conversion is right, may be there can be issue in your temporary_user_id, because of that you are getting some awkward text but conversion is done right Dec 13, 2023 · Converting Buffer to String. The alternative Base64 encoding called Base64url simply replaces those 2 troublesome characters with two safe characters. The easiest way to convert a string to base64 is using the global btoa() function as follows. js provides a number of built-in methods for encoding and decoding Base64 strings. Stability: 0 - Deprecated: Use crypto. ToString does not Base64 encode, it converts to hyphenated hexadecimal (Base 16 with dashes between each byte). – NFTX. randomBytes ( size, callback ) Parameters: This method accepts two parameters as mentioned above and described below: size: It is of type number which indicates the May 29, 2017 · React Native warns developers not to use ImageEditor anymore: Warning: ImageStore is deprecated and will be removed in a future release. Latest version: 2. toString('utf8'); answered Dec 2, 2016 at 9:56. from (str, 'base64') andbuf. js buffers are objects that store arbitrary binary data. The term Base64 originates from a specific MIME content transfer encoding. data is returning back as buffer so using this . But I can't figure out how to decompress and convert to the string after the response is received in front end react app. Jun 14, 2024 · Base64. from(str, 'base64') and buf. The following code shows how to encode and decode a Base64 string using the Buffer class: js const buf = Buffer. 0, v14. js react-vega-lite Node. The output of the above code will be a base64 string-. I set up a route to retrieve a jpeg file from the S3 bucket using AWS SDK's function getObject(). from(b). Node. const base64 = {. Learn more Explore Teams Aug 28, 2022 · By default, the toString() method will convert the buffer to a string using the default encoding, however, you can specify the type of encoding that you want by passing it as an argument. It is not a built-in global, but a library that was imported in the CJS module. from () method takes a string as an input and converts it into Base64. In a nutshell, it's easy to convert a Buffer object to a string using the toString() method. react, I switched to qrcode-svg for the generation of the QR code as SVG. js API 文档. Jul 20, 2021 · 3 Ways to Convert String to Base64. 8, last published: 5 years ago. Later I want to convert the same buffer data to convert to valid JSON object. js react-website Jun 3, 2023 · What is Base64 Encoding? Base64 encoding is a technique to convert binary data into ASCII text format, which consists of a set of 64 different characters (hence the name "Base64"). toString("base64"); – Rowland. That means, you can use it directly without any require statement. DEFAULT); so solution is pretty simple: public static String encodePassword(String password) throws NoSuchAlgorithmException, UnsupportedEncodingException {. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. toString('base64') }; edited Jan 14 at 17:31. g. Spen Aug 5, 2017 · 1. js v6. io Jun 4, 2021 · @Sveen base64 refers to the library imported in the original post. Then I am receiving it and storing in a variable. Given that Node. However, you don't need to get a blob from node-fetch. 1. This will return an array of 8-bit unsigned integers. Don't forget to call ImageStore. Make the following changes to paytmchecksum Jul 23, 2021 · I am working with an API that requires me to authorize my client id and client secret. Detect when code is executed with Bun. js react-waterfall Node. 1 and below. Then on the nodejs server you can use Buffer directly: const b64 = "SGVsbG8sIFdvcmxkIQ=="; const fileDataProcessed = Buffer. from(base64encoded, 'base64'). . from('','base64'). The buffer class can be used to encode a string into a series of bytes. key:'value', key:'value', Mar 17, 2019 · Step 1: Convert the ArrayBuffer to a typed array using the Uint8Array method. Correct values are receiving from server. Only thing I've found is to dump the already-encoded buffer to a base64, read it back into the Jul 9, 2019 · I was also trying to decode a large image. Below is the code I tried but I'm getting [object object] when I convert back to JSON and cannot open this object. encodeToString(byte[], Base64. fill(128) base64String = buf. Dec 2, 2023 · It converts a Base64-encoded string back into its original binary form. There are 2 other projects in the npm registry using string-encode. buffer を利用して Base64 のエンコードおよびデコードを行う例は次の通りです。. You can just get a buffer directly from the response. from(str, "base64") if you used base64, or whatever other encoding you used. Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by transforming it into a radix-64 representation. Read the official docs for the full list of properties, instance methods, and class methods that are supported. These characters include uppercase letters (A-Z), lowercase letters (a-z), digits (0-9), and two special characters (+ and /). js react-vr Node. In your browser’s web developer console, define the string, encode it, and display the encoded string: // Define the string var decodedStringBtoA = 'Hello World!'; // Encode the String var encodedStringBtoA = btoa( decodedStringBtoA); The output of this code is a Jun 3, 2024 · Window: btoa () method. js react-useinterval Node. Once we have a Buffer, converting it into a string is straightforward. For example, the reverse operation would look like this Dec 17, 2021 · Describe the bug Tried loading Inter ttfs (via url, via local. readFile('image. stringify(msgBody)). See full list on stackabuse. With qrcode-svg I generate a SVG string of the QR code such that it consist basically only of a Path. I want to keep it private and serve those files to my React frontend, so signed urls is not an option and making the bucket public is not an option. Feb 28, 2022 · the problem is that the base64 strings are huge, and for some reason I cant store them in my component. Ovidiu Miu. log (string); Other types of encodings include hex and base64. atob() and buf. toString("base64") method that I mentioned in my answer, or maybe you used it but you didn't send the converted data to your frontend. Jan 8, 2019 · For NodeJS (with node-fetch), you can get a buffer from blob using Buffer. If you have binary data that you need to encode to pass to the client as JSON, you can convert it to base64, a common means on the Internet to represent eight-bit values in solely printable characters. js react-use-storage Node. Nov 11, 2021 · Buffer. Step 5: Installing React-Native**-Randombytes** Once the crypto module is installed and React-Native-Randombytes is installed, go to the paytmchecksum folder located inside the node_modules folder. js you can use the following to encode string, Buffer, or Uint8Array to string, and decode from string, Buffer, or Uint8Array to Buffer. There are 9 other projects in the npm registry using unibabel. This method basically creates a few random bytes which are fur. I have a node. charCodeAt(n)) "string" string: JS string (characters interpreted as UTF8) "buffer" nodejs Buffer "array" array: array of 8-bit unsigned int (byte n is data[n]) "file" string: path of file that will be read (nodejs only) Buffers can be used for taking a string or piece of data and doing Base64 encoding of the result. Example: var base64Value = "oAAABTUAAg==" Need conversion method Output (Decoded data (hexadecimal)) A0000005350002 I Apr 4, 2019 · Each Base64 digit represents exactly 6 bits of data. toString('base64') instead. toString(); // ' à la mode' The toString method of Buffer defaults to utf8, but you can specify any desired encoding. Rix. 24. The Buffer class is within the global scope in Node. as used by Yarn) can cause deprecation warnings. clearImmediate(immediateObject) # Added in: v0. To answer your question how to turn Buffer into String so it can be made a Buffer again, you need to convert it to base64 encoded string. toString(encoding) signature doesn't return a data length, and they Mar 11, 2016 · I had a very similar requirement (importing a base64 encoded image from an external xml import file. If it's already a buffer you get the same encoded value out as what went in. , a string in which each character in the string is treated as a byte of binary data). from (), the toString () function gives you the original Oct 28, 2020 · I have a number of jpeg files in a private S3 bucket. toString('binary'); From these pages, I figured I had written these functions correctly so that one would reverse the other: Sep 15, 2015 · Base64. Are you concerned about the entire JSON returned or the data property? Since the returned object is in JSON format, you can stringify and convert to base64 encoded. const string = buffer. I have a JSON object and I'm converting it to a Buffer and doing some process here. btoa() methods, and according to their documentation should not be used in new code. ttf, via file-loader, ttf-loader, raw-loader). toString ('base64')". toString ( "utf-8" ); console. then((res) => { Toast. randomBytes () method is used to generate cryptographically well-built artificial random data and the number of bytes to be generated in the written code. toString('base64') is doing, we would suggest this instead; in any case, we should keep the legacy status for atob and btoa IMHO. Oct 12, 2020 · Update: So I think I found a workaround, proof of concept below. stringify(json); const objJsonB64 = new Buffer(objJsonStr). So 20 bytes Base64 string represents 15 (= 20 * 6 / 8) bytes buffer string. js APIs, converting between base64-encoded strings and binary data should be performed using Buffer. Feb 24, 2020 · createDecipheriv is now Deprecated. js react-uuid Node. I'm opposed to omitting the padding or changing the signature of any stable Buffer methods. I try using btoa method but it says that it is deprecated? This is what I have tried so far: &quot;Authorization& Jun 26, 2017 · I used the code below to encode a file to base64. from() method - again optionally passing the encoding. How can I use the iframe reference to get the correct window/element to print?. toString('base64')); SGVsbG8gV29ybGQ= > console. Dec 2, 2016 · var utf8encoded = Buffer. Internally, a Buffer object is an immutable array of integers. from("Hello World"). 3. js is by using the buf. toString('ascii')) Hello World The Buffer constructor is a global object, so no require is needed Jun 9, 2017 · Server send an raw image in axios, how to convert it to base64 or other way to use this image 2 Using base64 Encoding When Passing Data from Node to React to Construct PDF Feb 18, 2021 · I am using Buffer to convert a string to Base64 encoded in one of the cloud function and during bulk processing,this base64 encoding is taking 15 seconds to convert a string into base64 encoded. Sep 18, 2019 · "base64" string: Base64 encoding of the file "binary" string: binary string (byte n is data. Here's the Feb 24, 2022 · because apparently you didn't use the . toString(); console. btoa() is supported in all modern browsers and Node. getInstance("SHA-1"); Jul 19, 2022 · react-to-print simply provides the data to Electron, but we cannot control what it does with it. write(message) . I noticed in the linked example the author talks about putting some CSS in an @page directive, have you tried that? If you could share your full code in a codesandbox or github link that might be helpful as well. Convert a file URL to an absolute path. This method will not be completed until there is sufficient entropy in the bytes created. arrayBuffer());. Buffer. js中的 Buffer 模块用来存储二进制字节，是一个固定长度的容器。它与数组类似，但存储的是字节，每个字节是一个 0 到 255 之间的数字。Buffer 的主要用途是处理二进制数据，例如图像、音频或视频文件。在本文中，我们将介绍 Buffer 模块的基础知识，包括如何创建 Buffer 实例、如何操作 Buffer 中的 Dec 27, 2015 · I looked there first, but skipped straight to the "toString()" section, thinking it'd have at least a link to the encoding it supported. from(value). 9. base64}) axios. Convert an absolute path to a file URL. txt', function(err, data){console. toString ('base64') 。. I recently faced with same issue. I tried to solve: “data”: “H4sIAAAAA. Oct 10, 2022 at 16:09. under Node. js module, which is a streaming Base64 encoder / decoder. const handleElectronPrint = async (target: HTMLIFrameElement) { // Instead of this (printing the whole page) // let win = BrowserWindow. Sep 8, 2011 · BitConverter. js react-use-dimensions Node. String result; MessageDigest md = MessageDigest. data <any> ASCII (Latin1) 字符串。. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. One can easily replace it with createCipheriv Apr 15, 2024 · Let’s say you have a string, "Hello World!", and wish to encode it to Base64. In ren Feb 15, 2022 · * @deprecated Use `Buffer. It doesn't render all the characters. 👍 8 targos, sindresorhus, benwiggins, mhdawson, Ginden, benjamingr, tniessen, and ArkinSolomon reacted with thumbs up emoji Jul 11, 2022 · For code running using Node. e. This btoa () method simply encodes or creates the Base64 ASCII string from the given file or object. js react-vr-web Node. Jun 28, 2022 · 1. May 18, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Apr 6, 2021 · const base64data = Buffer. Construct a new Buffer and pass 'base64' as the second buffer. We use the toString () method of the Buffer object. setState({img:data. answered Nov 9, 2018 at 7:15. I followed this answer and successfully used gzip to compress the data and avoid AWS lambda 6MB response limitation. The goal is to provide an API that is 100% identical to node's Buffer API . ”. Sniffing around Work Software Developer at eyeris. 8k 15 97 119. Jun 1, 2020 · this. js. from(data, 'base64')` instead. toString('base64'); const buffer = Buffer. 稳定性: 3 - 旧版. So, plus to minus, and the forward slash "lies down" to become an underscore. Start using unibabel in your project by running `npm i unibabel`. toString('base64')) Is there any alternate available in Node js to convert a string to base64 instead of using Buffer. Aug 16, 2021 · Node js Base64 Encoding Decoding - The buffer object can be encoded and decoded into Base64 string. from('Hello, world!'); const str = buf. The array Aug 11, 2023 · Encode base64 in JavaScript. * @param data The Base64-encoded input string. getRandomValues () method generates cryptographically strong random values. data)) // This res. const imageBuffer = Buffer. npm install --save react-native-base64. Check if two objects are deeply equal. Buffers have a toString () method that you can use to convert the buffer to a string. And this atob () method decodes the above Base64 string and returns Jul 5, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 2. There are 100 other projects in the npm registry using react-native-base64. from('someText'). js Buffer s but lack a lot of the utility methods present on that class. So 20 bytes Base64 string represents 15 (= 20 * 6 / 8) bytes buffer Mar 15, 2023 · Now available on Stack Overflow for Teams! AI features where you work: search, IDE, and chat. readFileSync(file); return new Buffer(bitmap). Provide details and share your research! But avoid …. 新增于: v15. Jun 26, 2019 · I am storing the image in a base64 format in a node. 17. Namely, a "+" is replaced with a "-" and a "/" is replaced with a "_". Latest version: 0. from('Hello World!'); Feb 16, 2018 · In the BluetoothSerialExample I see: write (message) { BluetoothSerial. In the code below, we are going to create an SHA-256 hash using the default crypto module and then we use Buffer. Uint8Array s bring memory-efficient (ish) byte handling to browsers - they are similar to Node. These methods atob () and btoa () are used to convert to string and base64 format respectively. data 可以是任何可以强制转换为字符串的 Jan 20, 2012 · If we want to convert back to a Uint8Array from a string, then we'd do this: let uint8arr = new Uint8Array(Buffer. toString('base64'). toString('base64') 3 likes Like Reply . stringify(res. toString('ascii') but still, image is not showing. I'm working on Node V6. Instead of using qrcode. log(str); In this example, we first create a Buffer from a string. 1, last published: 4 years ago. from(string, 'binary'). js react-use-cookie Node. from(JSON. atob May 30, 2018 · For code running using Node. 13. The Buffer. The benefit of this method is that you can convert the image without having to buffer the whole thing into memory, and without using the request module. Start using react-native-base64 in your project by running `npm i react-native-base64`. randomBytes () generates cyprtographically strong pseudo-random data. from(s, 'base64'), encode: b => Buffer. 还有在一些 Jan 29, 2013 · As of Node. I’m glad that you found this article to Nov 23, 2023 · Node. Converting decimal to binary in JavaScript is easy, because JavaScript numbers have a toString() function that takes a radix parameter that specifies which base to use. Convert different types of JavaScript String to/from Uint8Array. createCipheriv() instead. So it may be used for APIs, not for client side code. from(string, encoding) method doesn't require a "meaningful data" length and the buf. log(data);}) About. img} is not working. export const fileToBase64 = (filename, filepath) =&gt; { return new Promise(resolve =& In this article, we would like to show you how to encode and decode Base64 in TypeScript. js react-useportal Node. Encode and decode base64 strings. I tried putting them in a txt file and doing: fs. getFocusedWindow(); // How do I print just the referenced iframe? 所以对于中文编码成 base64，我们的思路就很简单：取字符串的二进制（utf-8 也好 utf-16 也好），取每一字节当做一个字符的码点，重新生成一个字符串，再拿这个字符串去调用 btoa，就可以成功转出来 base64 了。 那么第一步就是拿到这个字符串的 utf-8 的二进制流。 Encoding binary data as a base64 string using Node. For example: > console. decode: s => Buffer. Feb 10, 2023 · Here are my functions: const buffer = Buffer. from(text, 'binary'); return buffer. 0 using the constructor method has been deprecated and the following method should instead be used to construct a new buffer from a base64 encoded string: var b64string = /* whatever */; var buf = Buffer. js can be used for encoding string into base64 value and also to decode into string. 改为使用 buf. js react-validators Node. To get a base64-encoded string from a local image use either of the following third-party libraries:* expo-file-system: readAsStringAsync(filepath, 'base64')* react-native-fs: readFile(filepath, 'base64') – Feb 10, 2022 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Oct 25, 2021 · Crypto’s getRandomValues function is perhaps the best way to generate a truly random string. When the term "Base64" is used on its own to refer to a specific algorithm, it typically refers to Use buf. * 在 Node. To convert from a string to a Buffer object, use the static Buffer. Syntax: crypto. Thanks guys Base64, TypedArrays, and UTF-8 / Unicode conversions in Browser (and Node) JavaScript. js v5. I read a bunch of other issues related to this but still doesn't work. clearImmediate is described in the timers section. Ultimately, use the one that makes sense for your particular use. js react-use-ref-effect Node. toString('base64') Jan 17, 2022 · Different values have different toString() methods, and some toString() methods have cool surprises. from(str)); Be aware that if you declared an encoding like base64 when converting to a string, then you'd have to use Buffer. The relevant RFCs make clear that the padding MUST NOT be omitted in the general case, even if the data length might be known to the caller; the Buffer. var obj = {. js 14 was EOL in April 2023, you should use native btoa() to convert strings to base64, unless you need to support older browsers or older The use of the deprecated new Buffer() constructor (i. E. btoa(). What you have in the url is still the buffer array. That way you won't lose any data: buf = Buffer(4) buf. It internally uses react-native-quick-base64, which is a performant native implementation of base64. Encoding and Decoding Base64 Strings in Node. toString('base64'); I figured that in the file we have issues with “” and ‘’ characters, but it’s fine with ". from(base64data, 'base64'). 使用 Latin-1 (ISO-8859) 将字符串解码为字节，并使用 Base64 将这些字节编码为字符串。. from(base64Val, 'base64'). Ovidiu Miu Ovidiu Miu. 概念の整理. js >= 16. from () method to create a buffer from the hash string and then encode the string in base-64. I completely missed the top section about encodings. jsなのかブラウザ環境なのかが重要です。. Sep 13, 2016 · Needing to convert a Base64 string to Hexadecimal with javascript. Follow. If you're sending bits across a text medium (e. toString('ascii'); Example of Encoding to Oct 29, 2008 · For Node. By default, toString () converts the buffer to a string using UTF8 encoding. Aug 12, 2021 · I would like to use the react-to-print library to print an iframe from my Electron app. removeImageForTag (uri) once you're done to delete the copy. from(b64string, 'base64'); // Ta-da For Node. 通过 Buffer 我们可以把图片转换成 base64 字符串，可以实现手机 APP 和服务器之间 JSON 数据的图片信息传递。. toString('binary') const decodedData = Buffer(fileDataProcessed, 'base64') // This is the code that you can now upload to your s3 bucket, or somewhere else. let TYPED_ARRAY = new Uint8Array (ArrayBuffer); Step 2: Use the Aug 31, 2021 · First of all, install core node-js module crypto as mentioned in this article in your react native app. btoa (data) | Node. js provides the Buffer object and a base64 encoder and decoder for this task. http) use Base64, as you'll have to transmit less overall data. I tried using Buffer. 0 . Therefore one should NOT use the deprecated/unsafe Buffer constructor. data is the whole object, including the type "Buffer" and the data array. Asking for help, clarification, or responding to other answers. This only works if base64encoded is a string. from(base64EncodedString, 'base64'); return buffer. May 5, 2015 · Use ImageStore. But even after this it does not takes more than a few milliseconds. After using xml2json-light library to convert to a json object, I was able to leverage insight from cuixiping's answer above to convert the incoming b64 encoded image to a file object. Always broken. This module exports a number of function that let you do common operations - joining Uint8Arrays together, seeing if they have the same contents etc. The toString () method is used. Created for React Native but can be used anywhere. You'll usually want the default UTF-8 encoding, but it's possible to indicate a different encoding if needed. Using atob () and btoa () in Javascript. Compress and decompress data with gzip. If you're just wanting to display a text Aug 31, 2022 · 本記事ではこれらのオブジェクトの概念を整理することでJavaScriptでのバイナリデータの扱いの見通しを良くしていきます。. Here's 3: 1) Numbers have a toString() function that supports different bases. */ function atob (data: string): string; /** * Decodes a string into bytes using Latin-1 (ISO-8859), and encodes those bytes * into a string using Base64. from("SGVsbG8gV29ybGQ=", 'base64'). 2, last published: 3 years ago. So here's the recommended way Jan 22, 2017 · Another way is to install this react-native-base64 package and use it as below in react native. Get the directory of the current file. You can use this method to encode data which may otherwise cause communication problems, transmit it, then use the Window. 使用场景：. The converted bytes can be changed again into String. js 中, Buffer 类用来创建一个专门存放二进制数据的缓存区，类似于一个整数数组，对应于 V8 堆内存之外的一块原始内存。. Aug 21, 2020 · Node. from(b64, 'base64'). com May 15, 2021 · Buffer in Node. import base64 from 'react May 27, 2020 · What I am getting in the response look like this: I tried to build a Buffer object using buffer and then parse to base64. * * The `data` may be any JavaScript-value that can be coerced into a string. js/express backend. uj ho uh qb ba fa fg du se hv