Interactive Gantt charts for Phoenix LiveView.

GanttEx is inspired by DHTMLX Gantt and brings its features to LiveView with server-side state and a single small JavaScript hook:

• GanttEx.Live.Gantt - the LiveComponent to drop in your templates
• GanttEx.Event - the messages your LiveView receives to persist changes
• GanttEx.Task and GanttEx.Link - the data model
• GanttEx.Store - an immutable tree of tasks with scheduling rules
• GanttEx.Timeline, GanttEx.Scale, GanttEx.Zoom and GanttEx.Layout - time to pixels
• GanttEx.Export and GanttEx.Import - JSON, CSV, iCalendar and MS Project
• GanttEx.I18n - translations for 8 languages

The data model and the layout are plain Elixir: they can be used (and tested) without LiveView.

iex> store = GanttEx.new!([%{id: 1, text: "Kickoff", start_date: ~D[2025-01-06], duration: 2}])
iex> GanttEx.Store.get_task(store, 1).end_date
~N[2025-01-08 00:00:00]

See the Getting started guide.