feat: add cursor style enums and default config

Author: rz1989s

lib/defaults.ts

@@ -0,0 +1,26 @@
+export type FocusedStyle = "block" | "bar" | "underline";
+export type UnfocusedStyle = "dim" | "outline" | "underline" | "hide";
+export type FocusProviderName = "auto" | "tmux" | "herdr" | "static";
+
+export const FOCUSED_STYLES: readonly FocusedStyle[] = ["block", "bar", "underline"];
+export const UNFOCUSED_STYLES: readonly UnfocusedStyle[] = ["dim", "outline", "underline", "hide"];
+export const BLINK_RATES: readonly number[] = [400, 500, 600, 800, 1000];
+export const FOCUS_PROVIDERS: readonly FocusProviderName[] = ["auto", "tmux", "herdr", "static"];
+
+export interface CursorConfig {
+  enabled: boolean;
+  focusedStyle: FocusedStyle;
+  unfocusedStyle: UnfocusedStyle;
+  blink: boolean;
+  blinkRate: number;
+  focusProvider: FocusProviderName;
+}
+
+export const DEFAULT_CONFIG: CursorConfig = {
+  enabled: true,
+  focusedStyle: "block",
+  unfocusedStyle: "dim",
+  blink: false,
+  blinkRate: 600,
+  focusProvider: "auto",
+};

tests/defaults.test.ts

@@ -0,0 +1,36 @@
+import { test } from "node:test";
+import assert from "node:assert/strict";
+import {
+  DEFAULT_CONFIG,
+  FOCUSED_STYLES,
+  UNFOCUSED_STYLES,
+  BLINK_RATES,
+  FOCUS_PROVIDERS,
+} from "../lib/defaults.ts";
+
+test("default config has expected shape", () => {
+  assert.deepEqual(DEFAULT_CONFIG, {
+    enabled: true,
+    focusedStyle: "block",
+    unfocusedStyle: "dim",
+    blink: false,
+    blinkRate: 600,
+    focusProvider: "auto",
+  });
+});
+
+test("focused styles enum", () => {
+  assert.deepEqual(FOCUSED_STYLES, ["block", "bar", "underline"]);
+});
+
+test("unfocused styles enum", () => {
+  assert.deepEqual(UNFOCUSED_STYLES, ["dim", "outline", "underline", "hide"]);
+});
+
+test("blink rates enum", () => {
+  assert.deepEqual(BLINK_RATES, [400, 500, 600, 800, 1000]);
+});
+
+test("focus providers enum", () => {
+  assert.deepEqual(FOCUS_PROVIDERS, ["auto", "tmux", "herdr", "static"]);
+});