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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 @swingby-protocol/header. Try it out:
require("@swingby-protocol/pulsar/package.json"); // @swingby-protocol/pulsar is a peer dependency.
require("react/package.json"); // react is a peer dependency.
var header = require("@swingby-protocol/header")
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