Live code a game on the browser with Opal and Vue.js
summary
Live codes a Tetris‑like game that compiles Ruby to JavaScript with Opal and reuses the same engine for a terminal and browser UI, implemented with vanilla DOM, jQuery and a tiny Vue.js wrapper of a few lines. Shows concrete code: a table-based renderer, setInterval tick at 600ms, score update via an h3, and use of native to touch window/document. Claims production use, ~80 lines for the demo, and Opal passes ~16,000 RubySpec examples in under 15s.
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