🐛 save storage through setting undefined

src/Constants.js

@@ -141,7 +141,7 @@ exports.defaultManagerOptions = {
  * The reroll method options
  * @typedef GiveawayRerollOptions
  *
- * @property {number?} [winnerCount=this.winnerCount] The number of winners to pick
+ * @property {number} [winnerCount=this.winnerCount] The number of winners to pick
  * @property {Object} [messages] The messages used in this method
  * @property {string} [messages.congrat=':tada: New winner(s): {winners}! Congratulations, you won **{prize}**!\n{messageURL}'] The message used if there are winners
  * @property {string} [messages.error='No valid participations, no new winner(s) can be chosen!'] The message used if no winner can be choosen
@@ -181,21 +181,21 @@ exports.GiveawayEditOptions = {};
  * @property {number} startAt The start date of the giveaway
  * @property {number} endAt The end date of the giveaway
  * @property {number} winnerCount The number of winners of the giveaway
- * @property {Discord.Snowflake[]} winnerIDs winnerIDs The winner IDs of the giveaway after it ended
  * @property {GiveawayMessages} messages The giveaway messages
- * @property {boolean} ended Whether the giveaway is ended
  * @property {string} prize The prize of the giveaway
  * @property {Discord.Snowflake} channelID The ID of the channel
  * @property {Discord.Snowflake} guildID The ID of the guild
- * @property {Discord.Snowflake?} [messageID] The ID of the message
+ * @property {boolean} [ended] Whether the giveaway is ended
+ * @property {Discord.Snowflake[]} [winnerIDs] winnerIDs The winner IDs of the giveaway after it ended
+ * @property {Discord.Snowflake} [messageID] The ID of the message
  * @property {Discord.EmojiIdentifierResolvable} [reaction] The reaction of the giveaway
  * @property {boolean} [botsCanWin] Whether the bots can win the giveaway
  * @property {Discord.PermissionResolvable[]} [exemptPermissions] Members with any of these permissions won't be able to win the giveaway
- * @property {string?} [exemptMembers] Filter function to exempt members from winning the giveaway
+ * @property {string} [exemptMembers] Filter function to exempt members from winning the giveaway
  * @property {string} [bonusEntries] The array of BonusEntry objects for the giveaway
  * @property {Discord.ColorResolvable} [embedColor] The color of the giveaway embed
  * @property {Discord.ColorResolvable} [embedColorEnd] The color of the giveaway ended when it's ended
- * @property {string?} [hostedBy] Mention of user who hosts the giveaway
+ * @property {string} [hostedBy] Mention of user who hosts the giveaway
  * @property {any} [extraData] The extra data value for this giveaway
  * @property {LastChanceOptions} [lastChance] The last chance system options
  */

src/Giveaway.js

@@ -51,7 +51,7 @@ class Giveaway extends EventEmitter {
          * Whether the giveaway is ended
          * @type {Boolean}
          */
-        this.ended = options.ended;
+        this.ended = options.ended || false;
         /**
          * The channel ID of the giveaway
          * @type {Discord.Snowflake}
@@ -76,7 +76,7 @@ class Giveaway extends EventEmitter {
          * The winner IDs for this giveaway after it ended
          * @type {Array<string>}
          */
-        this.winnerIDs = options.winnerIDs;
+        this.winnerIDs = options.winnerIDs || [];
         /**
          * The mention of the user who hosts this giveaway
          * @type {string?}
@@ -176,7 +176,7 @@ class Giveaway extends EventEmitter {
      * @type {LastChanceOptions}
      */
     get lastChance() {
-        return (this.options.lastChance && typeof this.options.lastChance === 'object') ? merge(this.manager.options.default.lastChance, this.options.lastChance) : this.manager.options.default.lastChance;
+        return  merge(this.manager.options.default.lastChance, this.options.lastChance);
     }
 
     /**
@@ -291,7 +291,7 @@ class Giveaway extends EventEmitter {
             guildID: this.guildID,
             startAt: this.startAt,
             endAt: this.endAt,
-            ended: this.ended,
+            ended: this.ended || undefined,
             winnerCount: this.winnerCount,
             prize: this.prize,
             messages: this.messages,
@@ -300,10 +300,10 @@ class Giveaway extends EventEmitter {
             embedColorEnd: this.options.embedColorEnd,
             botsCanWin: this.options.botsCanWin,
             exemptPermissions: this.options.exemptPermissions,
-            exemptMembers: (!this.options.exemptMembers || typeof this.options.exemptMembers === 'string') ? this.options.exemptMembers : serialize(this.options.exemptMembers),
-            bonusEntries: typeof this.options.bonusEntries === 'string' ? this.options.bonusEntries : serialize(this.options.bonusEntries),
+            exemptMembers: (!this.options.exemptMembers || typeof this.options.exemptMembers === 'string') ? (this.options.exemptMembers || undefined) : serialize(this.options.exemptMembers),
+            bonusEntries: typeof this.options.bonusEntries === 'string' ? (this.options.bonusEntries || undefined) : serialize(this.options.bonusEntries),
             reaction: this.options.reaction,
-            winnerIDs: this.winnerIDs,
+            winnerIDs: this.winnerIDs.length ? this.winnerIDs : undefined,
             extraData: this.extraData,
             lastChance: this.options.lastChance
         };

src/Manager.js

@@ -203,22 +203,20 @@ class GiveawaysManager extends EventEmitter {
                 startAt: Date.now(),
                 endAt: Date.now() + options.time,
                 winnerCount: options.winnerCount,
-                winnerIDs: [],
                 channelID: channel.id,
                 guildID: channel.guild.id,
-                ended: false,
                 prize: options.prize,
-                hostedBy: options.hostedBy ? options.hostedBy.toString() : null,
+                hostedBy: options.hostedBy ? options.hostedBy.toString() : undefined,
                 messages: options.messages,
-                reaction: options.reaction,
-                botsCanWin: options.botsCanWin,
-                exemptPermissions: Array.isArray(options.exemptPermissions) ? options.exemptPermissions : [],
+                reaction: options.reaction || undefined,
+                botsCanWin: typeof options.botsCanWin === 'boolean' ? options.botsCanWin : undefined,
+                exemptPermissions: Array.isArray(options.exemptPermissions) ? options.exemptPermissions : undefined,
                 exemptMembers: options.exemptMembers,
-                bonusEntries: Array.isArray(options.bonusEntries) ? options.bonusEntries.filter((elem) => typeof elem === 'object') : [],
-                embedColor: options.embedColor,
-                embedColorEnd: options.embedColorEnd,
+                bonusEntries: Array.isArray(options.bonusEntries) ? options.bonusEntries.filter((elem) => typeof elem === 'object') : undefined,
+                embedColor: options.embedColor || undefined,
+                embedColorEnd: options.embedColorEnd || undefined,
                 extraData: options.extraData,
-                lastChance: options.lastChance
+                lastChance: (options.lastChance && typeof options.lastChance === 'object') ? options.lastChance : undefined
             });
             const embed = this.generateMainEmbed(giveaway);
             const message = await channel.send(giveaway.messages.giveaway, { embed });

typings/index.d.ts

@@ -59,9 +59,9 @@ declare module 'discord-giveaways' {
         default?: GiveawayStartOptions;
     }
     interface GiveawayStartOptions {
-        time?: number;
-        winnerCount?: number;
-        prize?: string;
+        time: number;
+        winnerCount: number;
+        prize: string;
         hostedBy?: User;
         botsCanWin?: boolean;
         exemptPermissions?: PermissionResolvable[];
@@ -70,7 +70,7 @@ declare module 'discord-giveaways' {
         embedColor?: ColorResolvable;
         embedColorEnd?: ColorResolvable;
         reaction?: EmojiIdentifierResolvable;
-        messages?: Partial<GiveawaysMessages>;
+        messages?: GiveawaysMessages;
         extraData?: any;
         lastChance?: LastChanceOptions;
     }
@@ -108,10 +108,10 @@ declare module 'discord-giveaways' {
         public endAt: number;
         public ended: boolean;
         public guildID: Snowflake;
-        public hostedBy: User | null;
+        public hostedBy?: User;
         public manager: GiveawaysManager;
         public message: Message | null;
-        public messageID: Snowflake | null;
+        public messageID?: Snowflake;
         public messages: GiveawaysMessages;
         public options: GiveawayData;
         public prize: string;
@@ -141,7 +141,7 @@ declare module 'discord-giveaways' {
         public edit(options: GiveawayEditOptions): Promise<Giveaway>;
         public end(): Promise<GuildMember[]>;
         public fetchMessage(): Promise<Message>;
-        public reroll(options: GiveawayRerollOptions): Promise<GuildMember[]>;
+        public reroll(options?: GiveawayRerollOptions): Promise<GuildMember[]>;
         public roll(winnerCount?: number): Promise<GuildMember[]>;
     }
     interface GiveawayEditOptions {
@@ -164,12 +164,12 @@ declare module 'discord-giveaways' {
         startAt: number;
         endAt: number;
         winnerCount: number;
-        winnerIDs: Snowflake[];
         messages: GiveawaysMessages;
-        ended: boolean;
         prize: string;
         channelID: Snowflake;
         guildID: Snowflake;
+        ended?: boolean;
+        winnerIDs?: Snowflake[];
         messageID?: Snowflake | null;
         reaction?: EmojiIdentifierResolvable;
         exemptPermissions?: PermissionResolvable[];