problem description as described in babel for useBuilitIns , it allows @ babel preset-env to intelligently add polyfill of built-in types that are only used, that is, an on-demand reference to polyfill. .babelrc file { "presets" : ...
< H1 > question < H1 > in the webpack template project of vue, I gave the node_module directory include to babel-loader for es6-> es5 translation of the referenced module. As a result, warnings and errors occurred when npm run build , errors and wa...
after working on babel-polyfill all afternoon, I finally compiled and passed, but I reported an error on ie. The error message is as follows . main.js Code: import babel-polyfill import Vue from "vue" import App from ". App.vue...
in the past, all functions were uninstalled in closures to avoid global pollution. Now small functions are developed with ES6 modules and import export is used to deal with dependencies. In this case, how to ensure that the code is merged in an orderly ...
module: { rules: [ { test: .js$ , exclude: (node_modules) , use: { loader: babel-loader , options: { presets: [ env , react ] ...
now you need to convert html to AST, with babel. How to do this? ...
Why Vue s Webpack template does not use polyfill can also use ES6+ methods such as Object.assign on IE browsers. And there is no babel-polyfill in the package.json and related configuration of the template can t babel-loader automatically add relev...
Why can my react not be packaged and run on IE, and then report that Unhandled promise rejectionTypeError: cannot get the value of the attribute "call ": the object is null or undefined . No matter what mode I switch, I report this error. Ask God to...
< H1 > question < H1 > first describe the problem: the current project uses TypeScript, to configure tsconfig.json. Then use webpack + ts-loader to package. now I d like to ask what tsconfig.json and ts-loader do, and whether you need to add the ex...
modify the devtool, of config index.js when cli2.x, but now there is no config. How to check it on the real machine? ask for detailed steps ...
problem description I downloaded several scrapy projects from GitHub and put them into my own directory for execution, but I got an error. miscpip window7 Python3.7scrapy 1.5.1 related codes Please paste the code text below (do no...
the previous project is a mixture of state and redux. The logic of distinction is mostly: whether this state is shared by other components. For example, the role information of the logged-in user. Many components have different renderings depending o...
problem description because the development environment is different from the test environment, some configuration parameters are put into a separate file. Each package in the development environment and test environment needs to be modified and submi...
it s no use setting fix:true in eslint-loader. I m using the editor s plug-in to save the format. How can I make webpack work automatically? ...