The JS-bearing widgets now declare their script dependencies, so a view
no longer needs to know which scripts a component requires:
- SearchSelect / FilterSelect → search_select.js
- RangeSlider → range_slider.js
- DateRangePicker → date_range_picker.js
- YearPicker → datepicker.umd.js (external, from Phase 2)
- FilterBar chrome → filter_bar.js
Because the filter-bar internals now build a node tree (the legacy
Component() string-builder calls became Element/Div), each bar's
collect_media() returns its own filter_bar.js merged with the scripts
that bubble up from the FilterSelect / RangeSlider / DateRangePicker
widgets it contains — exactly the set the views thread by hand today.
Adds Node.with_media() so a function-built node can declare media
without a full BaseComponent subclass, and tests proving the bubbling.
Note: the six *FilterBar functions still share the _filter_bar chrome
helper rather than a BaseComponent class hierarchy; folding them into
one is a follow-up that does not affect media collection (Phase 4).
https://claude.ai/code/session_01BKurBhE3Qj25p7Bfsg7EeK
Claude
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