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Couillard\nCouillard is a [small trebuchet](https://en.wikipedia.org/wiki/Trebuchet#Couillard) you aim and launch at your users. It's a *lean* A/B testing tool to validate hypotheses and determine what to build.\n\n## More About Lean A/B Testing\n- [Unit 3 Module 1: An Introduction to Experimental Product Development\n](https://www.youtube.com/watch?v=HEnpiMUhRJ0)\n- [Unit 3 Module 2: A/B testing overview](https://www.youtube.com/watch?v=08hBllMQ770)\n- [Unit 3 Module 4: Guidance on Experiments](https://www.youtube.com/watch?v=jHo4w-ErXaI)\n- [Tech planet 2014 트랙2 세션5 Nell Thomas](https://www.youtube.com/watch?v=4Ov61a9IqBU)\n- [Emily Robinson - A/B Testing in the Wild - 2017-07-26](https://www.youtube.com/watch?v=SF-ryGgLOgQ)\n\n## Install\n```\nyarn add couillard\n```\n\n## Usage\n```javascript\n// Your metrics store, can be Segment, Amplitude, SQL, mongo, or whatever you like.\nconst saveMetrics = metrics =\u003e\n  fetch('...', {\n    method: 'POST',\n    body: JSON.stringify(metrics)\n  })\n\n// Create variation A component.\nconst WelcomeA = props =\u003e (\n  \u003cp\u003e\n    Welcome I'm experiment A, {props.name},\n    \u003cbutton onClick={hit('welcome', saveMetrics)}\u003eClick Me\u003c/button\u003e\n  \u003c/p\u003e\n)\n\n// Create variation B component.\nconst WelcomeB = props =\u003e (\n  \u003cp\u003e\n    Welcome I'm experiment B, {props.name},\n    \u003cbutton onClick={hit('welcome', saveMetrics)}\u003eClick Me\u003c/button\u003e\n  \u003c/p\u003e\n)\n\n// Aim your experiment at your users.\nconst Welcome = aim('welcome', 50, saveMetrics, {\n  A: WelcomeA,\n  B: WelcomeB\n})\n\n// Only WelcomeA or WelcomeB will render.\nconst Home = () =\u003e {\n  launch('welcome', saveMetrics)\n\n  return (\n    \u003cdiv class={style.home}\u003e\n      \u003ch1\u003eHome\u003c/h1\u003e\n      \u003cWelcome name=\"Jannette\" /\u003e\n    \u003c/div\u003e\n  )\n}\n\nexport Home\n```\n\n\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpre63%2Fcouillard","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fpre63%2Fcouillard","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpre63%2Fcouillard/lists"}