im just learning react-native-reanimated v2, but i got an issue when creating a function with ‘worklet’ keyword. I installed react-native-reanimated v2 on a React Native bare project using npx react-native init myApp. I have followed all the react-native-reanimated v2 installation instruction, inc…
Tag: babeljs
Javascript code to AST representation as we do in babelTypes
Every time I want to modify, I have to write t.importDeclaration([t.importDefaultSpecifier(t.identifier(`${importcomponentName}`))], t.stringLiteral(`../components/${importcomponentName}`)) It is just for an import statement. Eg. , if I want to generate a whole component, I have to write a lengthy code that i…
SyntaxError: Cannot use import statement outside a module, how to run test unit with react-native-svg for the Web?
I have the following error when I run yarn test: My jest.config.js: I expect when babel to transpile what’s in node_modules/react-native-svg-web. Instead, babel does not transpile and I have the casual transpilation error for dependencies that are not transformed: SyntaxError: Cannot use import statemen…
Eslint – ‘observer’ was used before it was defined?
I am trying to solve my order issue I am getting an Eslint error where “observer” was used before it was defined. But when I replace the observer above the onInterSection function I get onIntersection was used before it was defined. Answer You could try and write it like this:
Babel with Internet Explorer
Why isn’t this working in IE11 ? I was under the impression that Babel will automatically convert new-style code to old-style. Is there some configuration setup to be done ? Answer Babel can transform language features from newer versions of JavaScript into equivalents in older versions. It can’t …
Uncaught ReferenceError: regeneratorRuntime is not defined in react 17, webpack 5 while making api calls through actions
Having this error Uncaught ReferenceError: regeneratorRuntime is not defined when trying to make a api call using superagent. Currently i am using react 17, webpack 5 along with css modules and all latest packages. package.json babel.config.js webpack.config.js Answer For Babel 7, install these two dependenci…
Gulp & Babel polyfill Promises for IE11 issue
I have an old project written in Angular.js. I need to polyfill promises for IE11 but it’s not working. In gulpfile.js I have requires for Babel stuff And here I am using the pipe The code builds and works on chrome but still have the issue on IE11 which means it’s not polyfilling the Promise obje…
Unknown Option error from Babel in React-Native app
I am building a react-native app with typescript in order to learn react native. Once I run the app with expo start and try to run on emulator I get this error: index.js: [BABEL] ……../index.js: Unknown option: .name. Check out https://babeljs.io/docs/en/babel-core/#options for more information abo…
Using ES Modules with babel-standalone
Quoting babel docs https://babeljs.io/docs/en/babel-standalone#usage : “If you want to use your browser’s native support for ES Modules, you’d normally need to set a type=”module” attribute on your script tag. With @babel/standalone, set a data-type=”module” attribute…
Build typescript vue apps with only babel?
How can I transpile and build my typescript vue app with only babel? I used the vue-cli-service extensively but reached a point where I just need a minimal setup, without webpack or anything. My .babelrc My package.json dependencies: My entry main.ts file: My App.vue My build script: Answer Unfortunately you …