cross platform build and prettier fixes

.eslintrc.json

@@ -34,7 +34,8 @@
       {
         "singleQuote": true,
         "trailingComma": "es5",
-        "printWidth": 100
+        "printWidth": 100,
+        "endOfLine": "auto"
       }
     ]
   },

.prettierrc

@@ -0,0 +1,3 @@
+{
+  "endOfLine": "auto"
+}

package.json

@@ -88,7 +88,7 @@
     "build:all": "npm run build:node && npm run build:browser",
     "build:watch": "tsc -p tsconfig.node.json --watch",
     "clean": "rimraf dist coverage",
-    "copy:assets": "cp -r src/utilities/analytics/reference/data dist/utilities/analytics/reference/",
+    "copy:assets": "node scripts/copy-assets.js",
     "lint": "eslint \"src/**/*.{js,ts}\" \"test/**/*.{js,ts}\"",
     "lint:fix": "eslint \"src/**/*.{js,ts}\" \"test/**/*.{js,ts}\" --fix",
     "format": "prettier --write \"src/**/*.{js,ts}\" \"test/**/*.{js,ts}\" \"*.{js,ts,json,md}\"",

scripts/copy-assets.js

@@ -0,0 +1,24 @@
+const fs = require('fs');
+const path = require('path');
+
+const srcDir = path.join(__dirname, '..', 'src', 'utilities', 'analytics', 'reference', 'data');
+const destDir = path.join(__dirname, '..', 'dist', 'utilities', 'analytics', 'reference', 'data');
+
+function copyRecursiveSync(src, dest) {
+  if (!fs.existsSync(src)) {
+    return;
+  }
+  fs.mkdirSync(dest, { recursive: true });
+  const entries = fs.readdirSync(src, { withFileTypes: true });
+  for (const entry of entries) {
+    const from = path.join(src, entry.name);
+    const to = path.join(dest, entry.name);
+    if (entry.isDirectory()) {
+      copyRecursiveSync(from, to);
+    } else {
+      fs.copyFileSync(from, to);
+    }
+  }
+}
+
+copyRecursiveSync(srcDir, destDir);

src/processors/gridset/crypto.ts

@@ -13,11 +13,16 @@
  * @returns Decrypted and inflated buffer
  */
 export function decryptGridsetEntry(buffer: Buffer, password?: string): Buffer {
+  const nodeRequire =
+    typeof require === 'function' ? require : (undefined as undefined | ((id: string) => any));
+  if (!nodeRequire) {
+    throw new Error('Crypto utilities are not available in this environment.');
+  }
   // Dynamic require to avoid breaking in browser environments
-  // eslint-disable-next-line @typescript-eslint/no-var-requires, @typescript-eslint/no-unsafe-return
-  const crypto = require('crypto');
-  // eslint-disable-next-line @typescript-eslint/no-var-requires, @typescript-eslint/no-unsafe-return
-  const zlib = require('zlib');
+  const cryptoModule = 'crypto';
+  const zlibModule = 'zlib';
+  const crypto = nodeRequire(cryptoModule);
+  const zlib = nodeRequire(zlibModule);
 
   const pwd = (password || 'Chocolate').padEnd(32, ' ');
   const key = Buffer.from(pwd.slice(0, 32), 'utf8');
@@ -43,10 +48,13 @@ export function decryptGridsetEntry(buffer: Buffer, password?: string): Buffer {
  */
 export function isCryptoAvailable(): boolean {
   try {
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
-    require('crypto');
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
-    require('zlib');
+    const nodeRequire =
+      typeof require === 'function' ? require : (undefined as undefined | ((id: string) => any));
+    if (!nodeRequire) return false;
+    const cryptoModule = 'crypto';
+    const zlibModule = 'zlib';
+    nodeRequire(cryptoModule);
+    nodeRequire(zlibModule);
     return true;
   } catch {
     return false;

src/processors/obfProcessor.ts

@@ -227,12 +227,16 @@ class ObfProcessor extends BaseProcessor {
     const sourceButtons = boardData.buttons || [];
 
     // Calculate page ID first (used to make button IDs unique)
-    const pageId =
-      _boardPath && _boardPath.endsWith('.obf') && !_boardPath.includes('/')
-        ? _boardPath // Zip entry - use filename to match navigation paths
-        : boardData?.id
-          ? String(boardData.id)
-          : _boardPath?.split('/').pop() || '';
+    const isZipEntry =
+      _boardPath &&
+      _boardPath.endsWith('.obf') &&
+      !_boardPath.includes('/') &&
+      !_boardPath.includes('\\');
+    const pageId = isZipEntry
+      ? _boardPath // Zip entry - use filename to match navigation paths
+      : boardData?.id
+        ? String(boardData.id)
+        : _boardPath?.split(/[/\\]/).pop() || '';
 
     const buttons: AACButton[] = await Promise.all(
       sourceButtons.map(async (btn: ObfButton): Promise<AACButton> => {

src/processors/snapProcessor.ts

@@ -19,6 +19,7 @@ import Database from 'better-sqlite3';
 import path from 'path';
 import fs from 'fs';
 import crypto from 'crypto';
+import os from 'os';
 import { SnapValidator } from '../validation/snapValidator';
 import { ValidationResult } from '../validation/validationTypes';
 import { ProcessorInput } from '../utils/io';
@@ -104,13 +105,20 @@ class SnapProcessor extends BaseProcessor {
   async loadIntoTree(filePathOrBuffer: ProcessorInput): Promise<AACTree> {
     await Promise.resolve();
     const tree = new AACTree();
+    let tempDir: string | null = null;
     const filePath =
-      typeof filePathOrBuffer === 'string'
+      typeof filePathOrBuffer !== 'string'
+        ? (() => {
+            tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'snap-'));
+            return path.join(tempDir, 'input.spb');
+          })()
+        : filePathOrBuffer;
+
+    if (typeof filePathOrBuffer !== 'string') {
+      const buffer = Buffer.isBuffer(filePathOrBuffer)
         ? filePathOrBuffer
-        : path.join(process.cwd(), 'temp.spb');
-
-    if (Buffer.isBuffer(filePathOrBuffer)) {
-      fs.writeFileSync(filePath, filePathOrBuffer);
+        : Buffer.from(filePathOrBuffer);
+      fs.writeFileSync(filePath, buffer);
     }
 
     let db: any = null;
@@ -722,11 +730,11 @@ class SnapProcessor extends BaseProcessor {
       }
 
       // Clean up temporary file if created from buffer
-      if (Buffer.isBuffer(filePathOrBuffer) && fs.existsSync(filePath)) {
+      if (tempDir && fs.existsSync(tempDir)) {
         try {
-          fs.unlinkSync(filePath);
+          fs.rmSync(tempDir, { recursive: true, force: true });
         } catch (e) {
-          console.warn('Failed to clean up temporary file:', e);
+          console.warn('Failed to clean up temporary files:', e);
         }
       }
     }

src/utils/io.ts

@@ -4,12 +4,33 @@ export type BinaryOutput = Buffer | Uint8Array;
 
 let cachedFs: typeof import('fs') | null = null;
 let cachedPath: typeof import('path') | null = null;
+let cachedRequire: NodeRequire | null | undefined = undefined;
+
+type NodeRequire = (id: string) => any;
+
+function getNodeRequire(): NodeRequire {
+  if (cachedRequire === undefined) {
+    if (typeof require === 'function') {
+      cachedRequire = require;
+    } else if (typeof globalThis !== 'undefined') {
+      const maybeRequire = (globalThis as { require?: unknown }).require;
+      cachedRequire = typeof maybeRequire === 'function' ? (maybeRequire as NodeRequire) : null;
+    } else {
+      cachedRequire = null;
+    }
+  }
+  if (!cachedRequire) {
+    throw new Error('File system access is not available in this environment.');
+  }
+  return cachedRequire;
+}
 
 export function getFs(): typeof import('fs') {
   if (!cachedFs) {
     try {
-      // eslint-disable-next-line @typescript-eslint/no-var-requires
-      cachedFs = require('fs');
+      const nodeRequire = getNodeRequire();
+      const fsModule = 'fs';
+      cachedFs = nodeRequire(fsModule);
     } catch {
       throw new Error('File system access is not available in this environment.');
     }
@@ -23,8 +44,9 @@ export function getFs(): typeof import('fs') {
 export function getPath(): typeof import('path') {
   if (!cachedPath) {
     try {
-      // eslint-disable-next-line @typescript-eslint/no-var-requires
-      cachedPath = require('path');
+      const nodeRequire = getNodeRequire();
+      const pathModule = 'path';
+      cachedPath = nodeRequire(pathModule);
     } catch {
       throw new Error('Path utilities are not available in this environment.');
     }

test/obfProcessor.roundtrip.test.ts

@@ -4,7 +4,7 @@ import path from 'path';
 import { ObfProcessor } from '../src/processors/obfProcessor';
 import { AACTree, AACPage, AACButton } from '../src/core/treeStructure';
 
-jest.setTimeout(30000);
+jest.setTimeout(process.platform === 'win32' ? 60000 : 30000);
 
 describe('OBFProcessor round-trip', () => {
   const obfPath: string = path.join(__dirname, 'assets/obf/example.obf');

test/processTexts.realworld.test.ts

@@ -8,7 +8,7 @@ import { GridsetProcessor } from '../src/processors/gridsetProcessor';
 import { SnapProcessor } from '../src/processors/snapProcessor';
 import { TouchChatProcessor } from '../src/processors/touchchatProcessor';
 
-jest.setTimeout(30000);
+jest.setTimeout(process.platform === 'win32' ? 60000 : 30000);
 
 describe('ProcessTexts with Real-World Data', () => {
   const examplesDir = path.join(__dirname, '../examples');