If you look in the file, you’ll see that it’s a JSON object containing all browser versions.
You've configured Babel but you haven't made it actually do anything. Many other tools have similar configs: ESLint (.eslintrc), Prettier (.prettierrc).
One can easily add assets such as es2015, es2016, es2017, or env; so that Babel compiles them to ES5. Please note that, depending on your operating system, files beginning with a dot will be hidden by default.
You can tell Babel to print effective configs on a given input path.
All the good features of ES6 accompany one big problem — the majority of browsers don’t fully support them. README.md. Check the usage section below for how to use it as a script. Check out either our Flow preset or TypeScript preset to get started.
This is particularly popular among React devs, as it removes the necessity to explicitly bind methods to a particular component, and also means that a componentâs state can be declared as a class field (potentially eliminating the need for a constructor). Check out the babel-cli documentation to see more configuration options.
I love to explore new things going around in the web world and write about it. For more information see the babel/babel-loader repo. working on a production site you should be precompiling your scripts
Required fields are marked *. For each config items mentioned above, Babel applies Object.assign on options except for plugins and presets, which is concatenated by Array#concat. Now, when we talk about Webpack, there are four concepts that are important for us to understand how Webpack works on things.
What is Babel? The purpose of this article is to explain why these tools are necessary for fastly building web apps using React (or Angular, Vue, etc) and how these tools work together to provide fast development and one-click Platform to become more user friendly.
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