djust 0.3.3rc1

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GitHub release

Added

  • 6 new Django template tags in Rust renderer — Implemented {% widthratio %}, {% firstof %}, {% templatetag %}, {% spaceless %}, {% cycle %}, and {% now %} in the Rust template engine. These tags were previously rendered as HTML comments with warnings. (#329) See docs/website/guides/template-cheatsheet.md.
  • System check djust.T011 for unsupported template tags — Warns at startup when templates use Django tags not yet implemented in the Rust renderer (ifchanged, regroup, resetcycle, lorem, debug, filter, autoescape). Suppressible with {# noqa: T011 #}. (#329)
  • System check djust.T012 for missing dj-view — Detects templates that use dj-* event directives without a dj-view attribute, which would silently fail at runtime. (#293) See docs/website/getting-started/first-liveview.md.
  • System check djust.T013 for invalid dj-view paths — Detects empty or malformed dj-view attribute values. (#293) See docs/website/getting-started/first-liveview.md.
  • {% now %} supports 35+ Django date format specifiers — Including S (ordinal suffix), t (days in month), w/W (weekday/week number), L (leap year), c (ISO 8601), r (RFC 2822), U (Unix timestamp), and Django's special P format (noon/midnight).
  • Deployment guides — Added deployment documentation for Railway, Render, and Fly.io. (#247)
  • Navigation best practices documentation — Documented dj-patch vs dj-click for client-side navigation, with handle_params() patterns. (#304) See docs/guides/BEST_PRACTICES.md.
  • LiveView invariants documentation — Documented root container requirement and **kwargs convention for event handlers. (#316)

Fixed

  • #380: {% if %} inside HTML attribute values no longer emits <!--dj-if--> comment — When a {% if %} block with no else branch evaluates to false inside an HTML attribute value (e.g. class="btn {% if active %}active{% endif %}"), the Rust renderer now emits an empty string instead of the <!--dj-if--> VDOM placeholder. The placeholder is only meaningful as a DOM child node; inside an attribute it produced malformed HTML (e.g. class="btn <!--dj-if-->"). Text-node context is unaffected — the anchor comment is still emitted there for VDOM stability (fix for DJE-053 / #295).
  • False {% if %} blocks now emit <!--dj-if--> placeholder instead of empty string — Gives the VDOM diffing engine a stable DOM anchor to target when the condition later becomes true, resolving DJE-053 / issue #295.
  • dj-patch('/') now correctly updates the browser URL to the root path — Removed the url.pathname !== '/' guard in bindNavigationDirectives that prevented the browser URL from being updated when patching to /. The guard was silently ignoring root-path patches. (#307)
  • live_patch routing restored — handleNavigation dispatch now fires correctly — Fixed dict merge order in _flush_navigation so type: 'navigation' is no longer overwritten by **cmd. Added an action field to carry the nav sub-type (live_patch / live_redirect); handleNavigation now dispatches on data.action instead of data.type. Previously the client switch case 'navigation': never matched because type was being overwritten with "live_patch". Note:data.action || data.type fallback is kept for old JS clients that send messages without an action field — this fallback is planned for removal in the next minor release. (#307)
  • T003 false positives eliminated — The {% include %} check now examines the include path instead of the whole file content, preventing false warnings on templates that include SVGs or modals alongside dj-* directives. (#331)

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