I'm currently having issue getting aliasing to work properly. From my understanding, to get aliasing to work properly with webpack you have to:
Versions
"typescript": "2.8.3",
"webpack": "4.16.2",
"webpack-cli": "3.1.0",
"awesome-typescript-loader": "5.2.0",
"html-webpack-plugin": "3.2.0",
"source-map-loader": "^0.2.3",
- define the alias in tsconfig as paths. I verified that my tsconfig and paths/aliasing is correct by building it. If it wasn't configured correctly, it would have failed the build.
Here is the sample file
Sample.tsx
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import Footer from '@common/Footer';
export default class Sample{
public static page(): void {
ReactDOM.render(<Footer/>,
document.getElementById('footer')
);
}
}
With webpack, it's configured to use awesome-typescript-loader. As I understand it, it leverages off the TsConfigPathsPlugin to examine the tsconfig for all the alias and then resolve it. So by the time it gets to webpack, the alias are already resolved. However, that isn't the case. In the bundle.js I would expect to not see any @common or any aliasing and that it would have been converted.
I also added tried to resolve the alias directly within webpack as well with the alias/aliasFields in the resolve. But still no luck.
webpack.js
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const webpack = require('webpack');
const fs = require('fs');
const TsConfigPathsPlugin = require('awesome-typescript-loader').TsConfigPathsPlugin;
const ROOT_DIR = path.resolve(__dirname, ".","..");
const config = {
context: path.resolve(__dirname, '.',".."),
mode: "development",
resolve: {
modules: [
],
extensions: ['.ts', '.tsx', '.js', '.jsx'],
plugins: [
new TsConfigPathsPlugin({
configFileName: path.resolve(ROOT_DIR,'tsconfig.json')
})
],
aliasFields: ["@entry", "@common"],
alias: {
"@entry": "entry/",
"@common": "common/"
}
},
entry: {
entryPoint: path.resolve(ROOT_DIR,'entry, 'index.tsx')
},
optimization: {
minimize: false, // debugging purpose
runtimeChunk: 'single',
splitChunks: {
cacheGroups: {
vendors: {
test: /[\\/]node_modules[\\/]/,
name: 'vendors',
chunks: 'all'
}
}
}
},
output: {
filename: "[name]_bundle.js",
path: path.join(ROOT_DIR, 'dist_w'),
},
// Enable sourcemaps for debugging webpack's output.
devtool: "eval-source-map",
resolve: {
// Add '.ts' and '.tsx' as resolvable extensions.
extensions: [".ts", ".tsx", ".js", ".json"]
},
module: {
rules: [
// All files with a '.ts' or '.tsx' extension will be handled by 'awesome-typescript-loader'.
{ test: /\.(ts|tsx)$/, loader: "awesome-typescript-loader" },
// All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
{ enforce: "pre", test: /\.js$/, loader: "source-map-loader" }
]
},
plugins: [
//Generate index.html in /dist => https://github.com/ampedandwired/html-webpack-plugin
new HtmlWebpackPlugin({
filename: 'index.html', //Name of file in ./dist/
template: path.resolve(ROOT_DIR,'entry-point', 'index.html'),
hash: true,
})
],
stats: { //object
assets: true,
colors: true,
errors: true,
errorDetails: true,
hash: true
// ...
}
};
module.exports = config;
The error message I get from web pack is:
Module not found: Error: Can't resolve '@common\Footer' in 'entry\src'
resolve '@common\Footer' in 'entry\src'
Parsed request is a module
using description file: <root>\package.json (relative path: ./entry/)
Field 'browser' doesn't contain a valid alias configuration
resolve as module
entry\node_modules doesn't exist or is not a directory
<root>\..\..\node_modules doesn't exist or is not a directory
<root>\..\node_modules doesn't exist or is not a directory
<root>\node_modules doesn't exist or is not a directory
looking for modules in <root>\node_modules
using description file: <root>\package.json (relative path: ./node_modules)
Field 'browser' doesn't contain a valid alias configuration
looking for modules in entry\node_modules
using description file: <root>\package.json (relative path: ./entry-point/node_modules)
Field 'browser' doesn't contain a valid alias configuration
using description file: <root>\package.json (relative path: ./node_modules/@common//Footer)
no extension
Field 'browser' doesn't contain a valid alias configuration
using description file: <root>\package.json (relative path: ./entry-point/node_modules/@common/Footer)
no extension
Field 'browser' doesn't contain a valid alias configuration
<root>\node_modules\@common\Footer doesn't exist
.ts
…
Any advice appreciated, Thanks, D