var oldJsCodeLocationAssignmentStatement = appDelegateContents.match(/(jsCodeLocation = .*)/)[1];

[imankitaman]

var oldJsCodeLocationAssignmentStatement = appDelegateContents.match(/(jsCodeLocation = .*)/)[1];
^

TypeError: Cannot read property '1' of null
at Object. (/Users/ab/Documents/ios/ios_app/node_modules/react-native-code-push/scripts/postlink/ios/postlink.js:39:94)
at Module._compile (module.js:641:30)
at Object.Module._extensions..js (module.js:652:10)
at Module.load (module.js:560:32)
at tryModuleLoad (module.js:503:12)
at Function.Module._load (module.js:495:3)
at Module.require (module.js:585:17)
at require (internal/module.js:11:18)
at Object. (/Users/ab/Documents/ios/ios_app/node_modules/react-native-code-push/scripts/postlink/run.js:1:63)
at Module._compile (module.js:641:30)
/Users/ab/Documents/ios/ios_app/node_modules/react-native/local-cli/core/makeCommand.js:29
throw new Error(Error occured during executing "${command}" command);
^

Error: Error occured during executing "node node_modules/react-native-code-push/scripts/postlink/run" command
at ChildProcess.prelink (/Users/ab/Documents/ios/ios_app/node_modules/react-native/local-cli/core/makeCommand.js:29:15)
at ChildProcess.emit (events.js:159:13)
at maybeClose (internal/child_process.js:943:16)

[imankitaman]

resolved