RunKit + 
Try any Node.js package right in your browser
This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including lookahead. Try it out:
require("apollo-server-core/package.json"); // apollo-server-core is a peer dependency.
require("graphql/package.json"); // graphql is a peer dependency.
require("@graphql-tools/utils/package.json"); // @graphql-tools/utils is a peer dependency.
require("graphql-tag/package.json"); // graphql-tag is a peer dependency.
require("mongodb-aggregation-builder/package.json"); // mongodb-aggregation-builder is a peer dependency.
var lookahead = require("lookahead")
- all documents on RunKit are public
require()any package directly from npm- use arrow functions, classes, template strings, and most of ES6
awaitany promise instead of using callbacks (example)- create your own embedded node.js snippets
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