node.js

How to use typescript/flow in nodejs without compiling it

天大地大妈咪最大 提交于 2021-02-16 13:29:27
问题 Can someone give me some advice or links for discussion on whether I should bundle JS for backend? I tried to Google with this title (and similar words) and I can't get any useful links. Just want to know, say I am using latest Node.JS (es6-ready), should I bundle/compile the JS? If not, how am I suppose to use typescript/flow? Thank you. 回答1: I feel like you are asking two different questions. I'll try to answer both. How can I just run TypeScript code? This is the one your question's title

How to use typescript/flow in nodejs without compiling it

為{幸葍}努か 提交于 2021-02-16 13:29:10
问题 Can someone give me some advice or links for discussion on whether I should bundle JS for backend? I tried to Google with this title (and similar words) and I can't get any useful links. Just want to know, say I am using latest Node.JS (es6-ready), should I bundle/compile the JS? If not, how am I suppose to use typescript/flow? Thank you. 回答1: I feel like you are asking two different questions. I'll try to answer both. How can I just run TypeScript code? This is the one your question's title

REACT : How can we Upload Image and Input text using Fetch or Axios in a single click function

落花浮王杯 提交于 2021-02-16 09:36:06
问题 So basically I'm new to react and couldn't find a single doc or resources regarding uploading an Image and input value at the same time. One Solution is Form Data , But that isn't working as expected The other method is Serialize , But I can't find any doc that explain the way to use in React So, it would be really great for me and the newbies of React to know about this if you anyone could help me out. 回答1: You can try the following method you can use multer with express to handle the file

__dirname is not defined in Node.js 10 experimental?

落花浮王杯 提交于 2021-02-16 06:25:39
问题 I am using Node.js 10.0.0 & my index.mjs looks like: import path from "path"; console.log(__dirname); In my terminal, I run node --experimental-modules index.mjs And I get the following error: (node:3750) ExperimentalWarning: The ESM module loader is experimental. ReferenceError: __dirname is not defined at file:///MyFolderPath/node-10/index.mjs:3:21 at ModuleJob.run (internal/modules/esm/module_job.js:106:14) 回答1: ESM is not node-specific, and node-specific "globals" (such as __dirname and

Client-Side templating with nodejs and pug

橙三吉。 提交于 2021-02-16 05:09:40
问题 I have a web app that I'm building that has dynamic widgets being constructed on the client-side. Currently I am using nodejs and pug as my server side templating library, and I like the simplicity of pug. I would like to have a series of small pug files on the server that the client side can use as building blocks to construct the user desired widget. I tried using a previous solution found here: client side server side templating nodejs However, that solution looks like overkill for what I

Spawning a child process with tty in node.js

删除回忆录丶 提交于 2021-02-16 04:45:25
问题 I am trying to do some work on a remote server using ssh--and ssh is called on the local machine from node.js A stripped down version of the script looks like this: var execSync = require("child_process").execSync; var command = 'ssh -qt user@remote.machine -- "sudo mv ./this.thing /to/here/;"'; execSync(command,callback); function callback(error,stdout,stderr) { if (error) { console.log(stderr); throw new Error(error,error.stack); } console.log(stdout); } I get the requiretty error sudo:

Spawning a child process with tty in node.js

一笑奈何 提交于 2021-02-16 04:44:07
问题 I am trying to do some work on a remote server using ssh--and ssh is called on the local machine from node.js A stripped down version of the script looks like this: var execSync = require("child_process").execSync; var command = 'ssh -qt user@remote.machine -- "sudo mv ./this.thing /to/here/;"'; execSync(command,callback); function callback(error,stdout,stderr) { if (error) { console.log(stderr); throw new Error(error,error.stack); } console.log(stdout); } I get the requiretty error sudo:

Visual Studio Node: debug into Worker Threads (node 11)

℡╲_俬逩灬. 提交于 2021-02-16 04:33:36
问题 Can VS Code's Javascript debugger be made to debug node 11's new "Worker Threads"? Worker threads are modelled after web workers with a small number of extra capabilities on top and are available from the new worker_threads package (see https://nodejs.org/api/worker_threads.html). Other than with node's sub processes, one can share memory with worker threads in the form of SharedArrayBuffers. My VS Code launch configuration looks like that: { "type": "node", "request": "launch", "name":

Visual Studio Node: debug into Worker Threads (node 11)

眉间皱痕 提交于 2021-02-16 04:28:05
问题 Can VS Code's Javascript debugger be made to debug node 11's new "Worker Threads"? Worker threads are modelled after web workers with a small number of extra capabilities on top and are available from the new worker_threads package (see https://nodejs.org/api/worker_threads.html). Other than with node's sub processes, one can share memory with worker threads in the form of SharedArrayBuffers. My VS Code launch configuration looks like that: { "type": "node", "request": "launch", "name":

Pipe output of ffmpeg using nodejs stdout

五迷三道 提交于 2021-02-16 04:14:03
问题 I am not being able to pipe the output of the ffmpeg over a stdout. Following are the block of code what I coded so far. var http = require('http') , fs = require('fs') var child_process = require("child_process") http.createServer(function (req, res) { console.log("Request:", dump_req(req) , "\n") // path of the var path = 'test-mp4.mp4' //test-mp4-long.mp4 , stat = fs.statSync(path) , total = stat.size var range = req.headers.range , parts = range.replace(/bytes=/, "").split("-") ,