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const semver = require('semver');
const webpack = require('webpack');
const path = require('path');
const fs = require('fs');
var base = require('./webpack.base.conf');
const TARGET_NODE_VERSION = process.versions.node;
const PLATFORM = `${process.platform}-${process.arch}-node-${TARGET_NODE_VERSION.split('.')[0]}`;
const DEASYNC_NODE_MODULES_PATH = path.resolve('node_modules', 'deasync', 'bin', PLATFORM);
const DEASYNC_DIST_PATH = path.resolve('dist', 'bin', PLATFORM);
console.log(`Target node version: ${TARGET_NODE_VERSION}`);
console.log(`Platform: ${PLATFORM}`);
if(!fs.existsSync(DEASYNC_NODE_MODULES_PATH)) {
throw new Error(`deasync doesn't support this platform: ${PLATFORM}`);
}
base.mode = 'production';
base.output.filename = "server.js";
base.optimization.minimize = true;
base.externals = base.externals ? base.externals : [];
base.externals.push(
function (context, request, callback) {
if(request.indexOf('bindings') === 0) {
callback(null, `() => require('./deasync.node')`)
} else {
callback();
}
}
);
const prodRules = [
{
test: /\.js$/,
use: {
loader: 'babel-loader',
options: {
plugins: ["transform-object-rest-spread"], // for transpiling "ws" lib
// it's necessare only for node < 8.3.0,
// so could be optimized
presets: [
["env", { "targets": { "node": TARGET_NODE_VERSION }}]
]
}
}
},
{
test: /\.node$/,
use: [
{ loader: './build/node-loader' },
{ loader: 'file-loader', options: { name: '[name].[ext]' } }
]
}
];
let contextPathMapping = {};
contextPathMapping[path.resolve(DEASYNC_DIST_PATH, 'deasync')] = './deasync.node';
const prodPlugins = [
new webpack.ContextReplacementPlugin(
/deasync/,
DEASYNC_NODE_MODULES_PATH,
contextPathMapping
)
];
base.module.rules = [...base.module.rules, ...prodRules];
base.plugins = [...base.plugins, ...prodPlugins];
module.exports = base;