We Keep Coding

npx webpack command cannot find module webpack.config.js

I'm following the official Webpack getting started guide and I get an error on the Using a Configuration section. It says to create a webpack.config.js file with:
const path = require('path');
module.exports = {
entry: './src/index.js',
output: {
filename: 'main.js',
path: path.resolve(__dirname, 'dist')
}
};
I then run the following command:
npx webpack --config webpack.config.js
The error I get is:
Cannot find module '/Users/Documents/Web_Development/tone/webpack.config.js'
The guide does not seem to give any ideas of what could be wrong here. Also my code editor is telling me there is an error with const path = require('path'); saying "Expected a JSON Object, array or literal;
My Directory structure:
webpack.config.json
package.json.lock
package.json
node_modules/
dist/
index.html
main.js
src/
index.js
package.json:
{
"name": "tone",
"version": "1.0.0",
"description": "",
"private": true,
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"babel-core": "^6.26.3",
"webpack": "^4.29.3",
"webpack-cli": "^3.2.3"
},
"dependencies": {
"lodash": "^4.17.11"
}
}

The solution was to change the webpack.config.json file to webpack.config.js.

You have to make sure that the webpack.config.js file is in the root of your project.

Webpack 4 basic React js hello world fails with "Module parse failed: Unexpected token"

Update:
Code pushed to https://github.com/gsouvik/react_spa_experiment
Initial Post:
I know there are hundreds of threads out there, some had typos in webpack config, some used the loaders in a wrong way, some got it solved, some still open. But after numerous tries I still cannot get this working, a simple "Hello World" using Webpack 4, React js.
What I did
I was following this video tutorial line by line:
React & Webpack 4 from scratch
My package.json
{
"name": "my_react_experiment_2",
"version": "1.0.0",
"description": "Basic react with webpack ",
"main": "index.js",
"scripts": {
"dev": "webpack-dev-server --mode development --hot",
"build": "webpack --mode production"
},
"author": "Souvik Ghosh",
"license": "ISC",
"dependencies": {
"react": "^16.4.2",
"react-dom": "^16.4.2"
},
"devDependencies": {
"babel-core": "^6.26.3",
"babel-loader": "^7.1.5",
"babel-preset-env": "^1.7.0",
"babel-preset-react": "^6.24.1",
"html-webpack-plugin": "^3.2.0",
"webpack": "^4.17.1",
"webpack-cli": "^3.1.0",
"webpack-dev-server": "^3.1.5"
}
}
My webpack.config.js
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
module.export = {
entry: './src/index.js',
output: {
path: path.join(__dirname, '/build'),
filename: 'index_bundle.js'
},
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: {
loader: "babel-loader"
}
}
]
},
plugins: [
new HtmlWebpackPlugin({
template: './src/templates/index.html'
})
]
};
My .babelrc
{
"presets": ["env", "react"]
}
My directory structure
Expected behaviour
I fire up the dev server npm run dev. Expected to see my shiny new React js page saying "My first React Webpack project" (from the component /components/App.js)
Actual Behavior
ERROR in ./src/index.js 5:16
Module parse failed: Unexpected token (5:16)
You may need an appropriate loader to handle this file type.
| import App from "./components/App";
|
ReactDOM.render(, document.getElementById('root'));
| //ReactDOM.render('Hello User ', document.getElementById('root'));
# multi (webpack)-dev-server/client?http://localhost:8080 (webpack)/hot/dev-server.js ./src main2
If required I can share the codebase via a git repo. Any help is greatly appreciated.

The issue is with typo in your webpack config file.
You have module.export which is not correct. It should be module.exports
Working example
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
entry: './src/index.js',
output: {
path: path.join(__dirname, '/build'),
filename: 'index_bundle.js'
},
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: {
loader: "babel-loader"
}
}
]
},
plugins: [
new HtmlWebpackPlugin({
template: './src/templates/index.html'
})
]
};

error: cannot find module html-webpack-plugin

I am in the process of working through a tutorial on Webpack, but after adding in HtmlWebpackPlugin and trying to run Webpack again, I get the following error:
Error: Cannot find module 'html-webpack-plugin'
    at Function.Module._resolveFilename (module.js:489:15)
...
I have tried installing the plugin both locally and globally and I get the error both times.
//webpack.config.js
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
entry: "./app.js", // bundle entry point
output: {
path: path.resolve(__dirname, 'dist'), // output directory
filename: "[name].js" // name of generated bundle
},
plugins : [
new HtmlWebpackPlugin({
template: "index.html",
inject: "body"
})
]
};
//package.json
{
"name": "hyperlocalnola",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC",
"devDependencies": {
"html-webpack-plugin": "^2.30.1"
}
}
//app.js
var msg = require("./contents.js");
document.write(msg);
//contents.js
module.exports = "hello friend!";
Sorry about the wall of text for what is probably something very simple, but I cannot find what is causing this anywhere. Thanks in advance.

Cannot find module "bundle.js"

I have a strange problem.... (Please, ignore my bad English :v)
I'm making app using HTML/CSS and js with jQuery. I'm using webpack too. I was using webpack-dev-server command since today - everything was working perfect. I wanted to generate single file - "bundle.js" without using server, cause i wanted to open app at another pc, without webpack.
That's how game looks like when it works
When I changed config in package.json from:
"start": "webpack-dev-server ./src/scrable.js"
To:
"start": "webpack ./src/scrable.js ./bundle.js"
I don't have any errors in my CMD console, when I typed "npm start".
But, when I opened my index.html file I saw in "source" mode that I have one error, which means that browser 'Cannot find module "bundle.js"'.
App is working, but not like it should - elements react for clicks, they're running some functions, but... just look at this:
That's how game looks like when it doesn't work
Do you have any ideas?
This is my package.json file
{
"name": "jstest_",
"version": "1.0.0",
"description": "",
"main": "scrable.js",
"scripts": {
"start": "webpack ./src/scrable.js ./bundle.js"
},
"author": "",
"license": "ISC",
"devDependencies": {
"css-loader": "^0.28.0",
"style-loader": "^0.16.1",
"webpack": "^2.3.2",
"webpack-dev-server": "^2.4.2"
}
}
And this is my webpack.config.js file
var debug = process.env.NODE_ENV !== "production";
var webpack = require('webpack');
module.exports = {
context: __dirname,
devtool: debug ? "inline-sourcemap" : null,
entry: "./src/scrable.js",
output: {
path: __dirname,
filename: "bundle.js",
},
plugins: debug ? [] : [
new webpack.optimize.DedupePlugin(),
new webpack.optimize.OccurenceOrderPlugin(),
new webpack.optimize.UglifyJsPlugin({ mangle: false, sourcemap: false }),
],
module: {
loaders: [
{ test: /\.css$/, loader: 'style-loader!css-loader' }
]
}
};

babel-loader 6.0.0 doesn't work correct

I am using webpack this is my
webpack.config.js
const path = require('path');
module.exports = {
entry: './src/app',
output: {
path: path.join(__dirname, '/public'),
filename: 'bundle.js'
},
watch: true,
watchOptions: {
aggregateTimeout: 100
},
devtool: 'source-map',
module: {
loaders: [{
test: /\.js$/,
loader: "babel-loader"
}]
}
}
and this my file from entry point
app.js
import React from 'react'
without anything, just simple line of code.
When i am trying to run webpack from command line and i got the next error
app.js Line 1: Unexpected token You may need an appropriate loader to
handle this file type. | import React from 'react';
package.json
{
"name": "a-b-c",
"version": "1.0.0",
"main": "server.js",
"dependencies": {
"babel-loader": "^6.0.0",
"react": "^0.14.1",
"webpack": "^1.12.2"
},
"devDependencies": {
"babel-core": "^6.0.14"
},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"description": ""
}
Also, when i changed ES6 syntax in my app.js file to ES5 then it works well.
Any suggestions?
Thanks in advance.

I've found out. The problem was with babel-loader and to fix this issue you need to install
npm install babel-loader babel-core babel-preset-es2015
and add to your webpack.config.js file next lines
loader: 'babel?presets[]=es2015'
Source of information
Thanks