allozaur/feat/chat form contenteditable (#26717)

* feat: Add contenteditable tokenizer for badge/code-chip chat input

* feat: Add source-space undo/redo history for the rich input

* feat: Split text glued to a closing code fence onto its own line

* feat: Add ChatFormContenteditable rich input renderer

* feat : wire the contenteditable into ChatForm with auto-switch gating
This commit is contained in:
Aleksander Grygier
2026-08-07 20:40:10 +02:00
committed by GitHub
parent 1621a3d388
commit fc6545d322
27 changed files with 3497 additions and 110 deletions
+3 -2
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@@ -19,8 +19,9 @@ export const PANEL_CLASSES = `
export const CHAT_FORM_POPOVER_MAX_HEIGHT = 'max-h-80';
export const DIALOG_SUBMENU_CONTENT = 'w-60';
/** Selects the chat-form input to restore focus after model actions. */
export const CHAT_INPUT_FOCUS_SELECTOR = '[data-slot="input-area"] textarea';
/** Selects the focused chat-form input (either renderer) to restore focus after model actions. */
export const CHAT_INPUT_FOCUS_SELECTOR =
'[data-slot="input-area"] textarea, [data-slot="input-area"] [contenteditable="true"]';
/** Default Tailwind size class for inline icon components (lucide, etc.). */
export const ICON_CLASS_DEFAULT = 'h-4 w-4';
+9 -6
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@@ -1,8 +1,9 @@
/**
* Visual contract for message @-mention badges. Svelte cannot be mounted
* from a hast tree, so the rehype file-badge plugin emits the shared class
* string below; keeping it here as a literal lets Tailwind's source
* scanner generate the utility classes.
* Shared visual contract between the two DOM-only badge paths (the
* contenteditable tokenizer + the rehype plugin). Svelte cannot be
* mounted at the per-keystroke tokenizer hot path nor from a hast tree,
* so both emit the badge with the same class string literal; Tailwind's
* scanner picks it up in both sources.
*/
export const MENTION_BADGE_CLASSNAME =
'inline-flex w-fit shrink-0 items-center gap-1 whitespace-nowrap rounded-md border border-border/50 bg-foreground/5 px-1.5 py-0.5 text-xs font-mono text-foreground hover:bg-foreground/10 dark:bg-foreground/10 dark:text-secondary-foreground';
@@ -10,8 +11,10 @@ export const MENTION_BADGE_CLASSNAME =
export const MENTION_BADGE_ICON_CLASSNAME = 'h-3 w-3 shrink-0';
/**
* SVG attributes shared by the hast-built badge icons; the rehype plugin
* spreads them onto the `<svg>` `properties`.
* SVG attributes shared by the DOM-built and hast-built badge icons.
* The tokenizer applies them via `setAttribute`, the rehype plugin
* spreads them onto the hast `<svg>` `properties`; string values are
* valid for both.
*/
export const MENTION_BADGE_SVG_ATTRIBUTES: Readonly<Record<string, string>> = {
xmlns: 'http://www.w3.org/2000/svg',