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| require "json" | |
| require "rack/cors" | |
| class Page | |
| def each | |
| loop do | |
| count = [1, 2, 3].sample | |
| words = %w(one two thee four five six seven).sample(count) | |
| json = words.map { |word| | |
| { word: word }.to_json | |
| }.join("\n\n") | |
| yield json | |
| sleep 1 | |
| end | |
| end | |
| end | |
| use Rack::Chunked | |
| use Rack::Cors do | |
| allow do | |
| origins '*' | |
| resource '*', :headers => :any, :methods => [:get, :post], :expose => ["Transfer-Encoding"] | |
| end | |
| end | |
| app = ->(env) { | |
| [ | |
| 200, | |
| { "Content-Type" => "text/plain" }, | |
| Page.new, | |
| ] | |
| } | |
| run app |
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| # window 1 | |
| $ gem install rack-cors | |
| $ rackup -s puma | |
| # window 2 | |
| $ ruby -run -e httpd . -p 8000 | |
| # window 3 | |
| $ open http://localhost:8000 |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>index</title> | |
| <script src="https://raw.githubusercontent.com/eBay/jsonpipe/master/jsonpipe.js"></script> | |
| <script> | |
| jsonpipe.flow('http://localhost:9292', { | |
| "success": function(data) { | |
| console.log(data); | |
| }, | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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