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Ask questionsmetro-config sharedBlacklist regexp without scape "\"

<!-- Before creating an issue please make sure you are using the latest version of Metro, try re-installing your node_modules folder and run Metro once with --reset-cache to see if that fixes the problem you are experiencing. -->

Do you want to request a feature or report a bug? bug

What is the current behavior? When i try to run react-native start an error is outputed

error Invalid regular expression: /(.*\\__fixtures__\\.*|node_modules[\\\]react[\\\]dist[\\\].*|website\\node_modules\\.*|heapCapture\\bundle\.js|.*\\__tests__\\.*)$/: Unterminated character class. Run CLI with --verbose flag for more details.
SyntaxError: Invalid regular expression: /(.*\\__fixtures__\\.*|node_modules[\\\]react[\\\]dist[\\\].*|website\\node_modules\\.*|heapCapture\\bundle\.js|.*\\__tests__\\.*)$/: Unterminated character class
    at new RegExp (<anonymous>)
    at blacklist (C:\Users\***\react\myApp\node_modules\metro-config\src\defaults\blacklist.js:34:10)
    at getBlacklistRE (C:\Users\***\react\myApp\node_modules\@react-native-community\cli\build\tools\loadMetroConfig.js:69:59)
    at getDefaultConfig (C:\Users\***\react\myApp\node_modules\@react-native-community\cli\build\tools\loadMetroConfig.js:85:20)
    at load (C:\Users\***\react\myApp\node_modules\@react-native-community\cli\build\tools\loadMetroConfig.js:121:25)
    at Object.runServer [as func] (C:\Users\***\react\myApp\node_modules\@react-native-community\cli\build\commands\server\runServer.js:82:58)
    at Command.handleAction (C:\Users\***\react\myApp\node_modules\@react-native-community\cli\build\cliEntry.js:160:21)
    at Command.listener (C:\Users\***\react\myApp\node_modules\commander\index.js:315:8)
    at Command.emit (events.js:210:5)
    at Command.parseArgs (C:\Users\***\react\myApp\node_modules\commander\index.js:651:12)

Please provide your exact Metro configuration and mention your Metro, node, yarn/npm - =-- - version and operating system.

  • See above for metro config.
  • Windows 10 x64
  • node v12.11.0
  • npm@6.11.3
  • metro@0.56.0
  • metro-config@0.56.0
facebook/metro

Answer questions iamakashaher

Replace existing shareBlacklist with this:

var sharedBlacklist = [
  /node_modules[\/\\]react[\/\\]dist[\/\\].*/,
  /website\/node_modules\/.*/,
  /heapCapture\/bundle\.js/,
  /.*\/__tests__\/.*/
];
useful!

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