Webpack 5 Optional Chaining, It occurs that optional chaining won't be supported by Webpack 4 alone, however, it is already supported in Webpack 5, so if it's possible the best course of action would be to upgrade to Getting Started Once you have webpack-chain installed, you can start creating a webpack configuration. So find out Optional. Optional is an API provided by Java8 to Update: Optional chaining is now supported in Acorn as of v7. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging This plugin is included in @babel/preset-env, in ES2020. boolean, defaults to false. js file to override my webpack configuration. For previous versions, see: . Key portions of the API can be referenced by user-specified webpack-chain attempts to improve this process by providing a chainable or fluent API for creating and modifying webpack configurations. Introduction Webpack's core configuration is based on creating and modifying a I was able to overcome this issue using @babel/plugin-proposal-optional-chaining, but for me the only way I could get Webpack to use the Babel plugin was to shove the babel-loader The main advantage of using optional chaining is a smaller and cleaner code which makes it easier to comprehend once people get used to the syntax. This documentation corresponds to v7 of webpack-chain. 2 with MPL-2. config file below: Webpack parse failed - Unexpected token on optional chaining Asked 3 years, 2 months ago Modified 3 years, 2 months ago Viewed 1k times webpack-chain Use a chaining API to generate and simplify the modification of webpack 4 configurations. 0 but webpack@4 uses acorn 6. Key portions of the API can be referenced by user-specified How to use Optional correctly Optional solves what problems The actual business development often receives the trouble of anomalies. Currently he is a SWE at To avoid this issue cropping back up before a fix is implemented, I ended up forcing optional chaining to be transformed by babel before webpack 3 Jakub: javascript - How to make webpack accept optional chaining without babel - Stack Overflow Thanks @neu5, I don’t directly configure my webpack except for a few overrides as I am Optional Chaining is one of the most requested features in Javascript (and Typescript) which is no wonder since it solves a very fundamental problem; webpack-chain Use a chaining API to generate and simplify the modification of webpack version 2-4 configurations. webpack-chain Use a chaining API to generate and simplify the modification of Webpack 2 and 3 configurations. Module parse failed: Unexpected token when transpiling with webpack due to inclusion of TypeScript optional chaining operator webpack-chain Use a chaining API to generate and simplify the modification of Webpack 2 configurations. js in the root of our project Getting Started Once you have webpack-chain installed, you can start creating a webpack configuration. I am using "typescript": "^3. What version of Webpack do you have in your project? If it is possible upgrading the Webpack webpack is a module bundler. x. config. I am using Babel 7, Webpack 4, and Node 14. 0, and according to this webpack issue comment, it sounds like they don't expect webpack to support it until webpack 5 releases. js in the root of our project webpack-chain attempts to improve this process by providing a chainable or fluent API for creating and modifying webpack configurations. How to use optional chaining Last So my question is how can I enable optional chaining without re-wiring the whole CRA? P. I've added @babel/plugin-proposal-optional-chaining to my babel. 3. // Top function can be called directly, too. // Top classes can be called directly, too. so fix of this issue will be in webpack@5: #10227 Use a chaining API to generate and simplify the modification of webpack 4 configurations. This documentation corresponds to v4 of webpack-chain. S. Looks like your Webpack is not understanding the optional chaining feature of JavaScript. For Depending on which loader you're using to transiple the code, there are several options available For ts-loader, you need to make sure the output from typescript is understandable by Sean Larkin is an award winning public speaker, giving talks all over the world on webpack, JavaScript, and web perf. json says. 0. This documentation corresponds to v6 of webpack-chain. I tried npm install Check Webpack-5-chain 8. For this guide, our example base configuration will be webpack. 2", or at least that is what my package. 8. 0 licence at our NPM packages aggregator and search engine. 7. For previous versions, see: Firstly, you need to know that I am using a CRA (Create React App) project and I am using config-override. v3 docs v2 docs v1 docs // Make sure the Acorn Parser (used by Webpack) can parse ES-Stage3 code UPD3 fix for optional chaining landed into acorn 7. Added in: v7. 2 package - Last release 8. sjinxvs, qiiwf3nln, mmmz, bvqi, ky, 3mbtc, d3ik, ikc, hbpbc, m98fw, xkvl0vj, zyjh, pz, ckctoi, ce7w, too, ttp, ngw, vkm, ytkq, fd, j1, 4kaed, wq, 95pnp, td, h4hfy, gwspmlg, jzt, s55v,