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initiative/packages/domain/src/set-ac.ts
Lukas f4fb69dbc7
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Add jsinspect-plus structural duplication gate, extract shared helpers
Add jsinspect-plus (AST-based structural duplication detector) to pnpm
check with threshold 50 / min 3 instances. Fix all findings:

- Extract condition icon/color maps to shared condition-styles.ts
- Extract useClickOutside hook (5 components)
- Extract dispatchAction + resolveAndRename in use-encounter
- Extract runEncounterAction in application layer (13 use cases)
- Extract findCombatant helper in domain (9 functions)
- Extract TraitSection in stat-block (4 trait rendering blocks)
- Extract DialogHeader in dialog.tsx (4 dialogs)

Net result: -263 lines across 40 files.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-28 02:16:54 +01:00

53 lines
1.1 KiB
TypeScript

import type { DomainEvent } from "./events.js";
import {
type CombatantId,
type DomainError,
type Encounter,
findCombatant,
isDomainError,
} from "./types.js";
export interface SetAcSuccess {
readonly encounter: Encounter;
readonly events: DomainEvent[];
}
export function setAc(
encounter: Encounter,
combatantId: CombatantId,
value: number | undefined,
): SetAcSuccess | DomainError {
const found = findCombatant(encounter, combatantId);
if (isDomainError(found)) return found;
if (value !== undefined && (!Number.isInteger(value) || value < 0)) {
return {
kind: "domain-error",
code: "invalid-ac",
message: `AC must be a non-negative integer, got ${value}`,
};
}
const previousAc = found.combatant.ac;
const updatedCombatants = encounter.combatants.map((c) =>
c.id === combatantId ? { ...c, ac: value } : c,
);
return {
encounter: {
combatants: updatedCombatants,
activeIndex: encounter.activeIndex,
roundNumber: encounter.roundNumber,
},
events: [
{
type: "AcSet",
combatantId,
previousAc,
newAc: value,
},
],
};
}