initial

commands/howlucky.js

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+const { SlashCommandBuilder, SlashCommandNumberOption } = require("discord.js");
+
+let tries = (module.exports = {
+  data: new SlashCommandBuilder()
+    .setName("howlucky")
+    .setDescription("How lucky are you?")
+    .addNumberOption(
+      new SlashCommandNumberOption()
+        .setName("tries")
+        .setDescription("how many tries you have")
+        .setRequired(true)
+        .setMinValue(1)
+    )
+    .addStringOption((option) =>
+      option
+        .setName("probability")
+        .setDescription("you can guess")
+        .setRequired(true)
+    ),
+  async execute(interaction) {
+    let probabilitylowernum;
+    if (interaction.options.getString("probability").split("/")[1] == null) {
+      probabilitylowernum = parseInt(
+        interaction.options.getString("probability")
+      );
+    } else {
+      probabilitylowernum = parseInt(
+        interaction.options.getString("probability").split("/")[1]
+      );
+    }
+    let result =
+      (interaction.options.getNumber("tries") / probabilitylowernum) * 100;
+    await interaction.reply(
+      `With a drop chance of ${interaction.options.getString(
+        "probability"
+      )}, getting a drop within ${interaction.options.getNumber(
+        "tries"
+      )} tries has a **${
+        Math.round(result * 100) / 100
+      }%** chance of happening.`
+    );
+  },
+});