feat: cypress 12.0.2

src/fs.ts

@@ -1,6 +1,6 @@
 import fs from 'fs';
 
-function pathExists(path: string) {
+export function pathExists(path: string) {
   try {
     fs.statSync(path);
     return true;

src/injected.ts

@@ -1,9 +1,8 @@
+import { copyFileSync } from 'fs';
+
 const Mod = require('module');
 const req = Mod.prototype.require;
 
-// @ts-ignore
-global.integrityCheck = function () {};
-
 // @ts-ignore
 if (global.snapshotResult?.customRequire?.exports) {
   // @ts-ignore
@@ -45,3 +44,7 @@ Mod.prototype.require = function (...args) {
   }
   return req.call(this, ...args);
 };
+
+module.exports = function (entryPointPath: string, backupPath: string) {
+  copyFileSync(backupPath, entryPointPath);
+};

src/js.ts

@@ -15,12 +15,14 @@ export const FN_ID = 'cy2_injected';
 
 export const instrumentCypressInit = (
   code: string,
-  injectedModulePath: string
+  injectedModulePath: string,
+  entryPointPath: string,
+  backupPath: string
 ) => {
   const normalizedPath = normalizePath(injectedModulePath);
   const injectedFn = `
 function ${FN_ID}() {
-    try { require('${normalizedPath}'); }
+    try { require('${normalizedPath}')("${entryPointPath}", "${backupPath}"); }
     catch (e) {}
 }`;
 
@@ -65,7 +67,7 @@ function replaceAST(ast: Program, injectedFnAst: Program) {
     enter: function (node) {
       if (
         node.type == estraverse.Syntax.FunctionExpression &&
-        node.id.name === FN_ID
+        node.id?.name === FN_ID
       ) {
         return injectedFnAst.body[0];
       }

src/patch.ts

@@ -1,11 +1,11 @@
 import cp from 'child_process';
 import fs from 'fs';
-import { instrumentCypressInit } from './js';
-
 import yaml from 'js-yaml';
 import { getCypressCLIBinPath } from './bin-path';
 import { debug } from './debug';
 import { getConfigFilesPaths, getServerInitPath } from './discovery';
+import { pathExists } from './fs';
+import { instrumentCypressInit } from './js';
 
 /**
  * Patch Cypress init script
@@ -14,12 +14,19 @@ import { getConfigFilesPaths, getServerInitPath } from './discovery';
  */
 export async function patchServerInit(injectedAbsolutePath: string) {
   const serverInitPath = await getServerInitPath();
-
   debug('Patching cypress entry point file: %s', serverInitPath);
 
+  const serverInitBackup = serverInitPath + '.bak';
+  if (!pathExists(serverInitBackup)) {
+    fs.copyFileSync(serverInitPath, serverInitBackup);
+  }
   const doc = fs.readFileSync(serverInitPath, 'utf8');
-
-  const result = instrumentCypressInit(doc, injectedAbsolutePath);
+  const result = instrumentCypressInit(
+    doc,
+    injectedAbsolutePath,
+    serverInitPath,
+    serverInitBackup
+  );
   fs.writeFileSync(serverInitPath, result);
 }