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Writing a Babel Plugin to Refactor Code

Babel is a tool to transform code. It’s most commonly used to transform “modern” JavaScript into code that’s compatible with older browsers. Babel allows us, for example, to use arrow functions (ES2015) during development and have them transformed to anonymous functions at build-time.

// In
[1, 2, 3].map(n => n * n);

// Out
[1, 2, 3].map(function(n) { return n * n; });

Introduction to GraphQL

Install and Configure GraphiQL

Or alternatively, use the GitHub GraphQL Explorer

Install GraphiQL
Create a Personal Access Token: Give it access to repo, gist, notification and user (or less, if you want).
Set the endpoint to https://api.github.com/graphql, the method to POST and add the following header:

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Automatic generation of flat network structure with the Voronoi algorithm.

Force layout with vertical gravity.

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	{
	type: "VariableDeclaration",
	declarators: [
	{
	type: "VariableDeclarator",
	id: {
	type: "Identifier",
	name: "square"
	},
	init: {

	// In
	[1, 2, 3].map(n => n * n);

	// Out
	[1, 2, 3].map(function(n) { return n * n; });