Vue CLI 3 does not convert vendors to ES5

vue.js ecmascript-6 babeljs ecmascript-5 vue-cli-3

Create a file called babel.config.js in the same directory as your vue.config.js file.

In this file your going to want to add :-

process.env.VUE_CLI_BABEL_TRANSPILE_MODULES = true;module.exports = {  presets: ["@vue/app"]};

This should now use babel to transpile external modules.

This should be used in conjunction with the transpileDependencies option in vue.config.js.

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