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rated 0 times [  95] [ 6]  / answers: 1 / hits: 5797  / 2 Years ago, wed, july 13, 2022, 12:00:00

I am trying to create a simple SSR powered project using express + react. To do this, I need to simultaneously watch frontend and backend scripts during development.

The goal here is to use express routes to point to react page components. Now, I have this working, but I am having problems with DX.

Here are my package scripts:

    "build:client": "esbuild src/index.js --bundle --outfile=public/bundle.js --loader:.js=jsx",
"build:server": "esbuild src/server.jsx --bundle --outfile=public/server.js --platform=node",
"build": "npm run build:client && npm run build:server",
"start": "node ./public/server.js"

Now this works if I do npm run build && npm run start, but the problem is that it doesn't watch for changes and rebuild the frontend bundle or restart the backend server.

Now, if I add --watch to the 2 build scripts, it only starts watching the index.js file and does not execute the other scripts.

So if I add nodemon to my start script, it doesn't matter because esbuild won't get past the first script due to the watcher.

Is there a simpler way of doing what I am trying to do here? I also want to add tailwind to this project once I figure this out, so any tips around that would be helpful as well.

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I would suggest using the JS interface to esbuild, i.e., write a small JS script that requires esbuild and runs it, and then use the functional version of Something like this:

entryPoints: ['app.js'],
outfile: 'out.js',
bundle: true,
watch: {
onRebuild(error, result) {
if (error) console.error('watch build failed:', error)
else {
console.log('watch build succeeded:', result)
// HERE: somehow restart the server from here, e.g., by sending a signal that you trap and react to inside the server.
}).then(result => {

[#68] Sunday, June 12, 2022, 2 Years  [reply] [flag answer]
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