283
questions
0
votes
0
answers
15
views
Correct way to have several async processes in nodejs append to the same file
Is there a correct / better approach to using a file descriptor that several process running asynchronously can write to? e.g.:
const allTheAsyncJobs = []
const fileDescriptor = fs.openSync(pathToFile,...
- 2,150
0
votes
2
answers
49
views
Read from nth row in csv typescript
I am trying to read a csv file from 4th row, in my csv file first 3 rows contains some meta data in column1. But the actual number of columns in csv is 6.
eg:
metadata1
metadata2
metadata3
head01,...
- 107
0
votes
0
answers
13
views
Problem ordering writes using writeStream
I'm using node.js v22.6.0 on Windows 10. I'm trying to write a command that queries multiple sqlite3 tables and writes data to createWriteStream handle. The process is controlled by multiple functions ...
-1
votes
0
answers
25
views
FS import -> null [closed]
When I try to install fs, I get an error that fs is null. Just to make sure that my node modules are actually being read, I tried importing a made up module to see if it would ether become null or ...
- 41
-1
votes
1
answer
34
views
Cannot find module 'solc' when compiling in Node
Getting back to updating my Ethereum projects, but I am getting an error when I run node compile.js of:
Error: Cannot find module 'solc'
This is my compile.js file:
const path = require("path&...
- 15.1k
0
votes
0
answers
63
views
Am I overlooking the solution to "Module 'fs' has been externalized for browser compatibility"?
Just so you get an understanding of the situation, I am trying to build a web game library that runs on my computer. It is pretty much a rip off of the Nintendo Wii and 3DS. I'm using Vite as the ...
- 41
1
vote
0
answers
36
views
Loading file list in Next.js does not reflect the latest changes
In Next.js, I implemented a feature to fetch a list of files in a specific directory using a module like fs.
When I deployed it, the functionality itself worked fine, but when I took actions such as ...
- 37
1
vote
0
answers
25
views
docker container can not save/mapping file folder to host
I have Node Server inside Docker, inside server, I have upload file function, which save file to /uploads.
Here is the success code which help me make the file in this folder :
app.post('/uploadFile',...
- 533
0
votes
0
answers
37
views
Cannot read a double nested directory
Essentially I'm trying to store all of file system in a certain dir in an array of objects. Here is my code:
type Cache = {
path: string;
content: Buffer;
};
const readdir = (dir: string, ...
- 1,316
0
votes
1
answer
47
views
How to handle multipart/form-data file using nextjs?
I have being trying to upload image from frontend to backend but cannot workaround my head over this.
Frontend
Send some data including "image" to backend.
Backend
Below is my backend code
//...
- 67
0
votes
0
answers
49
views
How to read a file from url with Node.js and Electron
How can I read a file with nodejs, even json, from url?
My file is on a server. I tried with ftp download but it is very inefficient.
Now is working on this, but is very slow for download and running.....
- 141
0
votes
0
answers
81
views
Module not found: Can't resolve 'fs' in nextjs
In my project there is an one dependency better-sqlite3.
This dependency is working fine.But after some time i am getting the fs module not found error again and again.
I tried all the methods like ...
- 54
0
votes
0
answers
21
views
Why am I getting an error when I pull a fetchDir function?
I have written this piece of code where I listen to a function in the frontend and then pull 2 function when it is called here are the 2 functions.
Here is where we listen to the frontend:
socket....
1
vote
0
answers
54
views
Login page HTTP request sends infinitely
A few hours ago i made a similar question but i was addressing the wrong issues.
the real problem is, i have this functional login function:
async function entrar() {
const user_name = ...
0
votes
0
answers
37
views
Node.js fs.existsSync returning false postives
I have the following code:
const fs = await import("fs");
let hashedPassword;
if (!fs.existsSync(".fs")) {
fs.mkdirSync(".fs");
console.info("...
- 1,316
-1
votes
1
answer
28
views
nodejs rewrite file segment
In nodejs, how do I overwrite a section of a file without creating additional files or reading all the data into memory?
let filename= '123.txt';
const fd = fs.openSync(filename, 'w+');
fs.writeSync(...
- 150
0
votes
0
answers
29
views
manipulate json from a jsx component into another jsx file with 'fs'
I'm trying to create this package to manipulate a jsx component file in another jsx file. But I realized later that 'fs is not available on the web (and it makes a lot of sense). would you have an ...
0
votes
0
answers
82
views
NextJS 14 - Error when using fs inside app router
I am using the fs module to read markdown files to later display them. Below you can find my implementation:
import fs from "fs";
import matter from "gray-matter";
export default ...
- 1
0
votes
0
answers
32
views
How to read program files' content in NodeJS
My goal is to make an array of file content from a directory. The directory can resemble a project with source code like Python, JS, etc. So far I have it loop through an array of every file in the ...
- 61
0
votes
1
answer
52
views
How to wait till all compressed files are extracted
For the below posted code in section code-1, I extract the contents of .tar file to a specific path. Then I want to rename the the extracted files as shown in the code.
The number of extracted files ...
- 27
1
vote
0
answers
136
views
How to get node fs to work in an Angular and Electron application
" The package "fs" wasn't found on the file system but is built into node. Are you trying to bundle for node? You can use "platform: 'node'" to do that, which will remove this ...
0
votes
0
answers
32
views
How to extract and write contents of tar file to disk
I make RESTAPI call to an endpoint, and I receive the response in the following format
<Buffer 4d 4d 00 2a 00 00 00 08 00 13 01 00 00 03 00 00 00 01 01......
what i am receiving is tar file ...
- 27
1
vote
1
answer
47
views
How to get tar contents out of a hexa representation
I make RESTAPI call to an endpoint and I expect to receive .tar contents. But what I received is
<Buffer 4d 4d 00 2a 00 00 00 08 00 13 01 00 00 03 00 00 00 01 01......
The method connectForTar ...
- 27
0
votes
1
answer
58
views
Node fs file does not exist
I have the following code to read a file in my project with Node fs.
const files: FileSystemTree = {
"Component.tsx": {
file: {
contents: fs.readFileSync(
...
- 1,316
0
votes
1
answer
79
views
Node file system fs.writeFile() throwing error in JavaScript module
In my index.mjs file I have a function that concatenates and minifies JS utility files. I have it set up like this:
import fs from "fs";
import { minify } from "terser";
function ...
- 2,046
0
votes
1
answer
44
views
Difference between two blocks of code involving fs.writeFile() in Node.js
I am trying to declare a POST method for a RESTful API using node and express. I need to accept the request body and write it onto a JSON file that I'm using to store my users data. I am using the fs ...
- 41
0
votes
1
answer
34
views
Error: why i can't display image on frontend?
what i am trying is to get image and data from mysql and send it to front end as json and display the content in html , in mysql i have the path of image and i pring it with fs as you well see in code ...
- 11
0
votes
0
answers
34
views
Server join and leave logger doesn't save data in file
I had an idea of developing a logging tool for my Discord Bot, so everytime it joins or leaves a server (with the guildCreate and guildDelete function) that it should save some data like the server ...
- 7
0
votes
0
answers
30
views
Why NodeJS fs module won't read or write to visible folder shared on the network?
I'm scaling my NodeJS app (on Windows 11) and need to setup additional workstations (Windows 11 aswell).
Right now I simply need a shared folder, so I created one and made it visible on the network. ...
- 313
-1
votes
1
answer
62
views
Iterate through a ReadDir and append file names to an array in Rust
I am trying to use the fs::read_dir() and iterate through the results and append all file names to an array. Something like this, except this isn't working:
let mut result: Vec<&str> = Vec::...
- 17
0
votes
0
answers
20
views
fs.readdir give no results and no errors
Here is my function (which should rename the newest file of a given directory, if the file has a type of extension) :
const fs = require('fs').promises; // Note the .promises
function renameLatestFile(...
- 1,079
0
votes
2
answers
1k
views
How to update a JSON file for a Playwright test
I have a JSON file that contains a value that I need to update as a step of a Playwright test as well as containing other values that need to remain unchanged. I have found a solution but it's not ...
- 105
0
votes
0
answers
16
views
watching a video from home directory of ubuntu using nextjs
I want to know how to watch a video that's in home directory of ubuntu (/home/user/folder/video.mp4) using nextjs 14.
I can get the file using app/api/file/route.ts code below:
import fs from "fs&...
1
vote
1
answer
40
views
why does it seem my variable is updating with the new data after it saves to the file? React and NWJS
I'm working on a note-taking app using React and NWJS, where notes are saved to a separate file (save.json). The app fetches initial data from this file using a useEffect hook, handles input changes ...
1
vote
1
answer
99
views
I'm using @typescript-eslint/parser to parse a typescript function, how can I get the range of the function?
I am trying to write a script that reads a TypeScript file, and returns the function names from that
function getFunctionsFromFile(filePath) {
const code = readFileSync(filePath, 'utf8');
...
- 21
0
votes
0
answers
149
views
Troubles with fs.cpSync() in NodeJS
I'm currently trying to make a folder-syncing extension to VS Code just to get the hang of extensions. Everything went smoothly for me until the point where I actually had to copy a folder to ...
- 21
-3
votes
1
answer
40
views
Read a Java file using fs module (express.js)
I'm trying to use express's fs module to scan text files and display them on screen. I managed to do this in my tests using a txt file, but I'm having trouble getting the same code to work with java ...
- 1
0
votes
1
answer
46
views
Receive file contents in React front-end application
I am having an API endpoint in my NodeJS application. I am posting a filename to it to find the specific file in a folder. I am doing it like this:
const fileDirectory = 'C:/Sites/private-uploads';
...
- 23
1
vote
1
answer
91
views
@types/fs-extra: error TS2694: Namespace '"fs"' has no exported member 'EncodingOption'
All,
I have this following error while trying to build project in aws
node_modules/@types/fs-extra/index.d.ts(917,48): error TS2694: Namespace '"fs"' has no exported member 'EncodingOption'.
...
- 161
0
votes
0
answers
480
views
Failed to resolve entry for package "fs". The package may have incorrect main/module/exports
[ERROR] Failed to resolve entry for package "fs". The package may have incorrect main/module/exports specified in its package.json. [plugin vite:dep-pre-bundle]
node_modules/esbuild/lib/main....
1
vote
0
answers
32
views
I am building next js application the page works on local but when I deploy it in Vercel following error occurs
I have updated npm install and also mongodb. I have researched on google but didn't get any solution. I am using next js version 14. It works on local but when i deploy it in Vercel error occurs. Is ...
- 11
1
vote
0
answers
28
views
Detecting File Closure After Saving in Electron with Chokidar
Here is the code snippet
ipcMain.handle("open-dialog", async (event: Electron.IpcMainInvokeEvent) => {
let filePaths = await dialog.showOpenDialog({
properties: ["...
- 11
0
votes
0
answers
207
views
Why fs module doesn't work without 'use server' in Next.js 14 app router although default rendering is 'use server' and fetch works without use serve
This code works perfectly
'use server';
import { promises as fs } from 'fs';
import Dasboard from "./_components/dashboard";
export async function getUser() {
let response = await fetch(&...
0
votes
2
answers
80
views
Why does my 'if' statement only work on the second trigger of the function?
Using Node JS, Electron and the FS module I have created a function within a seperate .js file that is called into my HTML as a script and triggered from a button with onclick="ReadSerials()"...
- 23
-2
votes
1
answer
34
views
I'm having troubles with the node module "fs" [closed]
I created a local server using Node, and my objective would be to use the 'fs' module to be able to open my .exe file. However, when I run my code it gives the following error "Uncaught ...
0
votes
1
answer
294
views
Node 20 error: `EACCES: permission denied` on `fs.writeFileSync` to file in TMPDIR
The bug.mjs: open /tmp/test/foo.json, read and append k-v to save.
Update: It works with Node 18, but failed with Node 20/21:
import fs from 'fs'
import path from 'path'
import os from 'os'
function ...
- 19.1k
0
votes
1
answer
25
views
Issue with res.download()
I've problems trying to apply res.download(filePath, originalName) with Multer, since it saves/copies a file from the /uploads folder to /downloads with fs.copyFile() when I apply my logic to it but, ...
1
vote
1
answer
486
views
"Error. EPERM: operation not permitted, stat" Electron application
I'm getting the below error when getting files from the path on the client's machine:
I've function in my electron main process in which all the files are read from the path and uploaded to the ...
- 842
1
vote
0
answers
191
views
How to get files from google drive in nodejs (typescript)
I am trying to download html, css, js, etc files from google drive using its api and I am getting error regarding saving file to local storage.
Typescript code:
const destinationFile = fs....
- 11
0
votes
0
answers
31
views
How to get the file out of a buffer in nodejs/express?
Okay so i am using multer to upload my pictures and then save it to cloudinary. Since i am deploying the application, i am trying to use multer memory storage to upload the file however it has been ...
- 421