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const childProcess = require('child_process');
const ip = require('ip');
const path = require('path');
const webpack = require('webpack');
// The common js bundle (not this one) is built using tsc.
// The umd bundle (this one) has a different entrypoint.
const GIT_SHA = childProcess
.execSync('git rev-parse HEAD')
.toString()
.trim();
const HEAP_PRODUCTION_ENV_VAR_NAME = 'INSTANT_HEAP_ANALYTICS_ID_PRODUCTION';
const HEAP_DEVELOPMENT_ENV_VAR_NAME = 'INSTANT_HEAP_ANALYTICS_ID_DEVELOPMENT';
const getHeapAnalyticsId = modeName => {
if (modeName === 'production') {
if (process.env[HEAP_PRODUCTION_ENV_VAR_NAME]) {
return process.env[HEAP_PRODUCTION_ENV_VAR_NAME];
}
throw new Error(`Must have ${HEAP_PRODUCTION_ENV_VAR_NAME} set`);
}
if (modeName === 'development') {
return process.env[HEAP_DEVELOPMENT_ENV_VAR_NAME];
}
return undefined;
};
module.exports = (env, argv) => {
const outputPath = process.env.WEBPACK_OUTPUT_PATH || 'umd';
const config = {
entry: {
instant: './src/index.umd.ts',
},
output: {
filename: '[name].js',
path: path.resolve(__dirname, outputPath),
library: 'zeroExInstant',
libraryTarget: 'umd',
},
plugins: [
new webpack.DefinePlugin({
'process.env': {
GIT_SHA: JSON.stringify(GIT_SHA),
HEAP_ANALYTICS_ID: getHeapAnalyticsId(argv.mode),
NPM_PACKAGE_VERSION: JSON.stringify(process.env.npm_package_version),
},
}),
],
devtool: 'source-map',
resolve: {
extensions: ['.js', '.json', '.ts', '.tsx'],
},
module: {
rules: [
{
test: /\.(ts|tsx)$/,
loader: 'awesome-typescript-loader',
},
],
},
devServer: {
contentBase: path.join(__dirname, 'public'),
port: 5000,
host: '0.0.0.0',
after: () => {
if (config.devServer.host === '0.0.0.0') {
console.log(
`webpack-dev-server can be accessed externally at: http://${ip.address()}:${
config.devServer.port
}`,
);
}
},
},
};
return config;
};
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