codymikol/karma-webpack
Fork: 222 Star: 830 (更新于 2024-11-05 08:00:31)
license: MIT
Language: JavaScript .
Karma webpack Middleware
最后发布版本: v5.0.1 ( 2024-02-02 01:00:38)
Install
npm npm i -D karma-webpack
yarn yarn add -D karma-webpack
Usage
karma.conf.js
module.exports = (config) => {
config.set({
// ... normal karma configuration
// make sure to include webpack as a framework
frameworks: ['mocha', 'webpack'],
plugins: [
'karma-webpack',
'karma-mocha',
],
files: [
// all files ending in ".test.js"
// !!! use watched: false as we use webpacks watch
{ pattern: 'test/**/*.test.js', watched: false }
],
preprocessors: {
// add webpack as preprocessor
'test/**/*.test.js': [ 'webpack' ]
},
webpack: {
// karma watches the test entry points
// Do NOT specify the entry option
// webpack watches dependencies
// webpack configuration
},
});
}
Default webpack configuration
This configuration will be merged with what gets provided via karma's config.webpack.
const defaultWebpackOptions = {
mode: 'development',
output: {
filename: '[name].js',
path: path.join(os.tmpdir(), '_karma_webpack_') + Math.floor(Math.random() * 1000000),
},
stats: {
modules: false,
colors: true,
},
watch: false,
optimization: {
runtimeChunk: 'single',
splitChunks: {
chunks: 'all',
minSize: 0,
cacheGroups: {
commons: {
name: 'commons',
chunks: 'initial',
minChunks: 1,
},
},
},
},
plugins: [],
};
How it works
This project is a framework and preprocessor for Karma that combines test files and dependencies into 2 shared bundles and 1 chunk per test file. It relies on webpack to generate the bundles/chunks and to keep it updated during autoWatch=true
.
The first preproccessor triggers the build of all the bundles/chunks and all following files just return the output of this one build process.
Webpack typescript support
By default karma-webpack forces *.js files so if you test *.ts files and use webpack to build typescript to javascript it works out of the box.
If you have a different need you can override by setting webpack.transformPath
// this is the by default applied transformPath
webpack: {
transformPath: (filepath) => {
// force *.js files by default
const info = path.parse(filepath);
return `${path.join(info.dir, info.name)}.js`;
},
},
Source Maps
You can use the karma-sourcemap-loader
to get the source maps generated for your test bundle.
npm i -D karma-sourcemap-loader
And then add it to your preprocessors.
karma.conf.js
preprocessors: {
'test/test_index.js': [ 'webpack', 'sourcemap' ]
}
And tell webpack
to generate sourcemaps.
webpack.config.js
webpack: {
// ...
devtool: 'inline-source-map'
}
Current Maintainers
Cody Mikol |
Previous Maintainers
Previous maintainers of the karma-webpack
plugin that have done such amazing work to get it to where it is today.
Ryan Clark |
April Arcus |
Mika Kalathil | Joshua Wiens | Will Farley | Daniela Valero |
Jonathan Trang | Carlos Morales |
最近版本更新:(数据更新于 2024-10-03 15:26:14)
2024-02-02 01:00:38 v5.0.1
2021-02-02 19:56:00 v5.0.0
2021-01-31 03:55:52 v5.0.0-alpha.6
2020-12-06 22:21:25 v5.0.0-alpha.5
2020-12-06 22:20:16 v5.0.0-alpha.4
2019-06-08 22:56:27 v4.0.2
2019-06-08 01:24:36 v4.0.1
2019-06-08 00:05:54 v4.0.0
2018-11-21 03:02:45 v4.0.0-rc.3
2018-09-14 22:39:14 v3.0.5
主题(topics):
karma, webpack-plugin
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