build: remove __test barrel from production bundle

Tests now load src/test-exports.ts via esbuild buildSync instead of
importing __test from the production main.js. This removes ~60 internal
symbols and all test-only module code from the shipped plugin bundle.

Change-Id: I2caf5232f6894c7514215e1751f2e268b74d7dc4

main.ts

@@ -32,7 +32,6 @@ import { createRafThrottledHandler, visibleTopProbeY } from './src/scroll';
 import { cacheEntryMatches, DEFAULT_SETTINGS, normalizeSettings } from './src/settings';
 import { ParallelReaderSettingTab } from './src/settings-tab';
 import type { StreamProgress } from './src/streaming';
-import * as testExports from './src/test-exports';
 import type {
   CacheEntry,
   ObsidianEditorWithCm,
@@ -690,4 +689,3 @@ class ParallelReaderPlugin extends Plugin {
 }
 
 export default ParallelReaderPlugin;
-export const __test = testExports;

tests/generation-job-manager.test.js

@@ -1,8 +1,7 @@
-const assert = require('assert');
-require('./obsidian-mock');
+const { assert, t } = require('./test-setup');
 
 const { GenerationJobAlreadyRunningError, GenerationJobCancelledError, GenerationJobManager, classifyGenerationError } =
-  require('../main.js').__test;
+  t;
 
 async function testSingleFlightAndCleanup() {
   const manager = new GenerationJobManager();

tests/main.test.js

@@ -1,13 +1,7 @@
-const assert = require('assert');
 const crypto = require('crypto');
 const fs = require('fs');
 const path = require('path');
-require('./obsidian-mock');
-
-const plugin = require('../main.js');
-const t = plugin.__test;
-
-assert.ok(t, 'test helpers should be exported');
+const { assert, t } = require('./test-setup');
 const mainSource = fs.readFileSync(path.join(__dirname, '..', 'main.ts'), 'utf8');
 const viewSource = fs.readFileSync(path.join(__dirname, '..', 'src', 'view.ts'), 'utf8');
 assert.ok(!/\basync\s+onOpen\s*\(/.test(viewSource), 'ParallelReaderView.onOpen should not be async without await');

tests/test-setup.js

@@ -1,8 +1,30 @@
 const assert = require('assert');
+const esbuild = require('esbuild');
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
 const { EventEmitter } = require('events');
+
+// Load obsidian mock first — hooks Module._load so that require('obsidian')
+// returns the mock for both us and the esbuild-bundled test-exports module.
 const { getRequestUrlMock, setRequestUrlMock } = require('./obsidian-mock');
 
-const t = require('../main.js').__test;
+// Bundle test-exports.ts synchronously with obsidian marked as external.
+// The bundled code will require('obsidian') at runtime, hitting our mock.
+const repoRoot = path.join(__dirname, '..');
+const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'parallel-reader-test-setup-'));
+const outfile = path.join(tempDir, 'test-exports.cjs');
+
+esbuild.buildSync({
+  entryPoints: [path.join(repoRoot, 'src/test-exports.ts')],
+  bundle: true,
+  platform: 'node',
+  format: 'cjs',
+  outfile,
+  external: ['obsidian'],
+});
+
+const t = require(outfile);
 
 function openAiCardsResponse(cards) {
   const json = {