Webpack not including ProvidePlugins - node.js

Question

I have a small trial web application that I'm working on that uses the vue webpack template (https://github.com/vuejs-templates/webpack). I'm pretty new to webpack so I was assuming that I could add in to plugins a new webpack.ProvidePlugin and it would be available globally but when I do a npm run dev I get the following error:
/var/www/public/leadsStatsDashboard/liveleadstats/src/components/Hello.vue
18:17 error 'd3' is not defined no-undef
Which sounds like to me that it can't find the d3 reference. I'm no sure if there's some configuration I skipped over or what but any help would be appreciated. Here is the source for my files
Webpack.dev.conf.js:
var path = require('path')
var config = require('../config')
var utils = require('./utils')
var webpack = require('webpack')
var projectRoot = path.resolve(__dirname, '../')
module.exports = {
plugins: [
new webpack.ProvidePlugin({
d3: 'd3',
crossfilter: 'crossfilter',
dc: 'dc'
})
],
entry: {
app: './src/main.js'
},
output: {
path: config.build.assetsRoot,
publicPath: config.build.assetsPublicPath,
filename: '[name].js'
},
resolve: {
extensions: ['', '.js', '.vue'],
fallback: [path.join(__dirname, '../node_modules')],
alias: {
'src': path.resolve(__dirname, '../src'),
'assets': path.resolve(__dirname, '../src/assets'),
'components': path.resolve(__dirname, '../src/components'),
'd3': path.resolve(__dirname, '../bower_components/d3/d3.min.js'),
'crossfilter': path.resolve(__dirname, '../bower_components/crossfilter/crossfilter.min.js'),
'dc': path.resolve(__dirname, '../bower_components/dcjs/dc.js')
}
},
resolveLoader: {
fallback: [path.join(__dirname, '../node_modules')]
},
module: {
preLoaders: [
{
test: /\.vue$/,
loader: 'eslint',
include: projectRoot,
exclude: /node_modules/
},
{
test: /\.js$/,
loader: 'eslint',
include: projectRoot,
exclude: /node_modules/
}
],
loaders: [
{
test: /\.vue$/,
loader: 'vue'
},
{
test: /\.js$/,
loader: 'babel',
include: projectRoot,
exclude: /node_modules/
},
{
test: /\.json$/,
loader: 'json'
},
{
test: /\.html$/,
loader: 'vue-html'
},
{
test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
loader: 'url',
query: {
limit: 10000,
name: utils.assetsPath('img/[name].[hash:7].[ext]')
}
},
{
test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
loader: 'url',
query: {
limit: 10000,
name: utils.assetsPath('fonts/[name].[hash:7].[ext]')
}
}
]
},
eslint: {
formatter: require('eslint-friendly-formatter')
},
vue: {
loaders: utils.cssLoaders()
}
}
Hello.vue
<template>
<div id="pieChartContainer">
</div>
</template>
<script>
export default {
data () {
return {
// note: changing this line won't causes changes
// with hot-reload because the reloaded component
// preserves its current state and we are modifying
// its initial state.
msg: 'Hello World! This is a test'
}
},
ready () {
console.log(d3.version)
}
}
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h1 {
color: #42b983;
}
</style>

Answer 1

Your error isn't emitted from webpack, but from eslint.
I think the webpack part works as it should, in fact!
no-undef complains that you are using the global d3 without importing or defining it somewhere.
The good news is, that's easy to fix. Use any of the following three possibilities:
Just add the following block to your .eslintrc.js:
"globals": {
"d3": true
}
...or use eslint comments within the file that requires d3 implicitly (but that doesn't make much sense as you made it available globally and you would need to do this in every file you wish to use the global var):
/* eslint-disable no-undef */
...or you could relax the eslint rule in your .eslintrc.js config:
'rules': {
// all other rules...
'no-undef': 0
}
Additional links:
Direct link to the template's eslintrc file
The eslint 'standard' file the template extends
Further reading on eslint's no-undef rule