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 theme-ui.macro. Try it out:
require("@babel/core/package.json"); // @babel/core is a peer dependency.
require("@babel/traverse/package.json"); // @babel/traverse is a peer dependency.
require("@babel/types/package.json"); // @babel/types is a peer dependency.
require("@theme-ui/css/package.json"); // @theme-ui/css is a peer dependency.
require("babel-plugin-macros/package.json"); // babel-plugin-macros is a peer dependency.
require("typescript/package.json"); // typescript is a peer dependency.
var themeUiMacro = require("theme-ui.macro")
- 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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