fix: allow importing the bundle without a DOM (#210)

The webpack build picked the browser build of react-textarea-autosize,
which reads document at import time. Bundle its default build instead,
which checks for document first.

Fixes #149

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

Author: theluckystrike

test/tests/js/Bundle-test.js

@@ -0,0 +1,49 @@
+import fs from 'fs'
+import os from 'os'
+import path from 'path'
+import vm from 'vm'
+import webpack from 'webpack'
+import { expect } from 'chai'
+
+import webpackConfig from './../../../webpack/webpack.config'
+
+function build (outputPath) {
+  const config = {
+    ...webpackConfig,
+    output: { ...webpackConfig.output, path: outputPath },
+    optimization: { minimize: false }
+  }
+
+  return new Promise((resolve, reject) => {
+    webpack(config, (error, stats) => {
+      if (error) return reject(error)
+      if (stats.hasErrors()) { return reject(new Error(stats.toString('errors-only'))) }
+      resolve(path.join(outputPath, config.output.filename))
+    })
+  })
+}
+
+describe('dist bundle', function () {
+  this.timeout(60000)
+
+  it('can be imported without a DOM (SSR)', async function () {
+    const outputPath = fs.mkdtempSync(path.join(os.tmpdir(), 'rjv-bundle-'))
+    try {
+      const file = await build(outputPath)
+      const code = fs.readFileSync(file, 'utf8')
+      const module = { exports: {} }
+      // a fresh context has no `window` or `document`, like Node during SSR
+      const context = vm.createContext({
+        module,
+        exports: module.exports,
+        require
+      })
+
+      vm.runInContext(code, context, { filename: file })
+
+      expect(module.exports.default).to.be.a('function')
+    } finally {
+      fs.rmSync(outputPath, { recursive: true, force: true })
+    }
+  })
+})

webpack/webpack.config.js

@@ -37,7 +37,12 @@ const config = {
   },
   plugins: [],
   resolve: {
-    extensions: ['.js', '.json', '.css', '.scss']
+    extensions: ['.js', '.json', '.css', '.scss'],
+    alias: {
+      // The browser build reads `document` on import, which breaks SSR.
+      // The default build checks for `document` first, so bundle that one.
+      'react-textarea-autosize$': require.resolve('react-textarea-autosize')
+    }
   },
   module: {
     rules: [