feat(core,prompts): export CANCEL_SYMBOL

.changeset/bright-wolves-export-cancel.md

@@ -0,0 +1,9 @@
+---
+"@clack/core": minor
+"@clack/prompts": minor
+---
+
+Export `CANCEL_SYMBOL` constant and `CancelSymbol` type from both packages.
+
+This allows consumers to create synthetic cancel values in tests and write
+precise TypeScript types without reimplementing internals.

.changeset/shaggy-boxes-crash.md

@@ -0,0 +1,6 @@
+---
+"@clack/core": minor
+"@clack/prompts": minor
+---
+
+Export `CANCEL_SYMBOL` constant and `CancelSymbol` type from `@clack/core` and `@clack/prompts`. Update `isCancel` type guard to narrow to `CancelSymbol` instead of the broad `symbol` type.

packages/core/src/index.ts

@@ -21,7 +21,7 @@ export { default as SelectKeyPrompt } from './prompts/select-key.js';
 export type { TextOptions } from './prompts/text.js';
 export { default as TextPrompt } from './prompts/text.js';
 export type { ClackState as State } from './types.js';
-export { block, getColumns, getRows, isCancel, wrapTextWithPrefix } from './utils/index.js';
+export { block, getColumns, getRows, isCancel, CANCEL_SYMBOL, wrapTextWithPrefix } from './utils/index.js';
 export type { ClackSettings } from './utils/settings.js';
 export { settings, updateSettings } from './utils/settings.js';
 export type { Validate } from './utils/validation.js';

packages/core/src/utils/index.ts

@@ -14,7 +14,7 @@ const isWindows = globalThis.process.platform.startsWith('win');
 
 export const CANCEL_SYMBOL = Symbol('clack:cancel');
 
-export function isCancel(value: unknown): value is symbol {
+export function isCancel(value: unknown): value is typeof CANCEL_SYMBOL {
 	return value === CANCEL_SYMBOL;
 }
 

packages/prompts/src/index.ts

@@ -1,5 +1,5 @@
 export type { ClackSettings } from '@clack/core';
-export { isCancel, settings, updateSettings } from '@clack/core';
+export { isCancel, CANCEL_SYMBOL, settings, updateSettings } from '@clack/core';
 
 export * from './autocomplete.js';
 export * from './box.js';