feat: refactor

src/plugins/discord/utils.ts

@@ -0,0 +1,70 @@
+import { HANGUL_FILLER } from './constants';
+
+import type { GatewayActivityButton } from 'discord-api-types/v10';
+import type { SongInfo } from '@/providers/song-info';
+import type { DiscordPluginConfig } from './index';
+
+/**
+ * Truncates a string to a specified length, adding ellipsis if truncated.
+ * @param str - The string to truncate.
+ * @param length - The maximum allowed length.
+ * @returns The truncated string.
+ */
+export const truncateString = (str: string, length: number): string => {
+  if (str.length > length) {
+    return `${str.substring(0, length - 3)}...`;
+  }
+  return str;
+};
+
+/**
+ * Builds the array of buttons for the Discord Rich Presence activity.
+ * @param config - The plugin configuration.
+ * @param songInfo - The current song information.
+ * @returns An array of buttons or undefined if no buttons are configured.
+ */
+export const buildDiscordButtons = (
+  config: DiscordPluginConfig,
+  songInfo: SongInfo,
+): GatewayActivityButton[] | undefined => {
+  const buttons: GatewayActivityButton[] = [];
+  if (config.playOnYouTubeMusic && songInfo.url) {
+    buttons.push({
+      label: 'Play on YouTube Music',
+      url: songInfo.url,
+    });
+  }
+  if (!config.hideGitHubButton) {
+    buttons.push({
+      label: 'View App On GitHub',
+      url: 'https://github.com/th-ch/youtube-music',
+    });
+  }
+  return buttons.length ? buttons : undefined;
+};
+
+/**
+ * Pads Hangul fields (title, artist, album) in SongInfo if they are less than 2 characters long.
+ * Discord requires fields to be at least 2 characters.
+ * @param songInfo - The song information object (will be mutated).
+ */
+export const padHangulFields = (songInfo: SongInfo): void => {
+  (['title', 'artist', 'album'] as const).forEach((key) => {
+    const value = songInfo[key];
+    if (typeof value === 'string' && value.length > 0 && value.length < 2) {
+      songInfo[key] = value + HANGUL_FILLER.repeat(2 - value.length);
+    }
+  });
+};
+
+/**
+ * Checks if the difference between two time values indicates a seek operation.
+ * @param oldSeconds - The previous elapsed time in seconds.
+ * @param newSeconds - The current elapsed time in seconds.
+ * @returns True if the time difference suggests a seek, false otherwise.
+ */
+export const isSeek = (oldSeconds: number, newSeconds: number): boolean => {
+  // Consider it a seek if the time difference is greater than 2 seconds
+  // (allowing for minor discrepancies in reporting)
+  return Math.abs(newSeconds - oldSeconds) > 2;
+};