// Warning for those who fork this notebook: See https://beta.observablehq.com/d/d156a08094928fe0 corsWarning = function*(params={}) { let {rainbow=true, fakeIt=false} = params if(window.location.host.slice(0,6)==='asg017' && !fakeIt) { console.log('lol'); yield html`` } else { let msg = html`

🚨⚠️🚨 WARNING 🚨⚠️🚨

This notebook originally used a CORS Anywhere server that only worked on @asg017's notebooks - So this forked copy may have some HTTP request issues.

To resolve any 403 Forbidden errors, simply change all HTTP requests from asg017-cors into cors-anywhere.

Example:

d3.json('https://asg017-cors.herokuapp.com/http://api.metro.net/agencies/')
into:
d3.json('https://cors-anywhere.herokuapp.com/http://api.metro.net/agencies/')

More information found here

Delete this cell once the errors are resolved
Feel free to DM me at @asg_027 if you have any questions!

`; if(rainbow) { let i = 0; while(true) { msg.style.border = `10px solid ${rb(++i/200)}` yield msg; } } else yield msg } }