75 lines
2.2 KiB
JavaScript
75 lines
2.2 KiB
JavaScript
/*!
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const webpack = require('webpack')
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// This is the webpack configuration for browser Karma tests with coverage.
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module.exports = {
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mode: 'development',
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target: 'web',
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output: {filename: 'bundle.js'},
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resolve: {
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extensions: ['.ts', '.js'],
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fallback: {
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// Enable the assert library polyfill because that is used in tests
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"assert": require.resolve('assert/'),
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"util": require.resolve('util/'),
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},
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},
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devtool: 'eval-source-map',
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plugins: [
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new webpack.ProvidePlugin({
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// Make a global `process` variable that points to the `process` package,
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// because the `util` package expects there to be a global variable named `process`.
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// Thanks to https://stackoverflow.com/a/65018686/14239942
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// NOTE: I wish there was a better way as this pollutes the tests with a defined 'process' global.
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process: 'process/browser'
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})
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],
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module: {
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rules: [
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{test: /\.ts$/, use: 'ts-loader'},
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{
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test: /\.js$/,
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exclude: {
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and: [/node_modules/], // Exclude libraries in node_modules ...
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not: [
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// Except for a few of them that needs to be transpiled because they use modern syntax
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/zone.js/,
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],
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},
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use: {
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loader: 'babel-loader',
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options: {
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presets: ['@babel/preset-env'],
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}
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},
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},
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{
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enforce: 'post',
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exclude: /(node_modules|\.test\.[tj]sx?$)/,
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test: /\.ts$/,
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use: {
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loader: 'babel-loader',
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options: {
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plugins: ['babel-plugin-istanbul'],
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}
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},
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},
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],
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},
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};
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