New Components module from Phoenix 1.7 (input select use case)

Questions & Help Questions
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Update: this syntax is no longer correct. For new projects generated with Phoenix 1.7.0-rc.0, the <.input type="select"/> component uses Phoenix.HTML.Form.options_for_select under the hood. Since commit 2fdb410, you’d use your original snippet with option changed to options:

<.input 
  field={{f, :city_id}}
  type="select" 
  label="Choose your city" 
  options={Enum.map(@cities, fn city -> {city.name, city.id} end)} 
/>