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Node News Tuesday, April 3 Rust modules, Rust file changes, Google chrome & more…

Node News TLDR / Table of Contents

  • Using rust modules for JavaScript/Web Development (Part 2 / 3) [Webpack]
    • Part 1 of the post was primarily concerned with integrating rust modules with JavaScript with the help of wasm. But that involved a lot of manual procedures. One way of solving this is by writing a…
    • rust modules, rust file changes, const path, webpack, manual procedures
  • nodejs/Release
    • GitHub is where people build software. More than 27 million people use GitHub to discover, fork, and contribute to over 80 million projects.
    • Google Chrome, latest Safari, Reload, tab, session
  • Really, really basic routing in Node.js with Express
    • The goal of this story is to briefly explain how routing works in Express while building a simple — very simple — Node app. We’ll also use EJS, a template engine that “lets you generate HTML markup…
    • express, error page, command line, default error page, ejs
  • Using rust modules for JavaScript/Web Development (Part 2 / 3) [Webpack]Please read the Part 1 of the series here: – Part 1 of the post was primarily concerned with integrating rust modules with JavaScript with the help of wasm.
  • Manual procedures: – Do a build of rust modules to generate wasm output.Move the generated web.wasm file to the assets directory.One way of solving this is by writing a custom shell script which does this whenever the rust file changes.
  • Using rust modules on front-end usingWebpackSetting up a webpack based frontend project – Lets start by creating a new project – mkdir webpackasm cd webpackasmcreating the project directorygit init yarn init or git init npm initinitialising git and npm/yarnyarn add –dev webpack webpack-cli dependencies.Now create the following directory/file structure -…
  • js’, – mode: process.env.NODE_ENV || ‘development’, – output: { – filename: ‘bundle.js’, – path: path.resolve(__dirname, ‘dist’) – } – };You package.json should look like: – { – name: webpackasm, – version: 1.0.0, – main: index.js, – author: Atul R MIT, – scripts: { – start: webpack-dev-server –open, – build: webpack…
  • js’, – mode: process.env.NODE_ENV || ‘development’, – output: { – filename: ‘bundle.js’, – path: path.resolve(__dirname, ‘dist’) – }, – module: { – rules: [{ – test: /\.

Tags: rust modules, rust file changes, const path, webpack, manual procedures

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Tags: Google Chrome, latest Safari, Reload, tab, session

  • Then we will require Express and set the view engine to EJS in our app.js file as follows: – var express = require(‘express’); – var app = express(); – app.set(‘view engine’, ‘ejs’);Well also include the following line so our app listens for GETrequestsCongratulations, everything is ready to handle requests!
  • To handle this kind of request in Express, we use the following method: – app.get(‘/about’, function(req, res) { – res.render(‘about’); – });Lets take a look at whats happening here.
  • Change /about to just /, and render whatever page you like: – app.get(‘/’, function(req, res) { – non-existing routesBut what if someone types in a route that doesnt exist?
  • Just replace the route parameter in the get method with an asterisk and render your own error page like so: – app.get(‘*’, function(req, res) { – res.render(‘error’); – });Trying itout!Finally, lets run our server from the command line (assuming the server is named app.js) – node appand see if it…
  • Lets type in the name of our server (localhost, as its a local server running on our computer) and the port (3000 in this case) in our or readingYou can learn everything you need to know about routing in the Express guide, and theres a lot of handy things in…

Tags: express, error page, command line, default error page, ejs

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