add eval command

src/commands/eval.ts

@@ -0,0 +1,68 @@
+import axios from 'axios';
+import { inspect } from 'util';
+import { Message } from 'eris';
+import { Client, Command } from '../class';
+
+export default class Eval extends Command {
+  constructor(client: Client) {
+    super(client);
+    this.name = 'eval';
+    this.description = 'Evaluates native JS code';
+    this.aliases = ['e'];
+    this.permissions = 4;
+    this.enabled = true;
+    this.guildOnly = false;
+  }
+
+  public async run(message: Message, args: string[]) {
+    try {
+      const evalMessage = message.content.slice(this.client.config.prefix.length).trim().split(' ').slice(1);
+      let evalString = evalMessage.join(' ').trim();
+      let evaled: any;
+      let depth = 0;
+
+      if (args[0] && args[0].startsWith('-d')) {
+        depth = Number(args[0].replace('-d', ''));
+        if (!depth || depth < 0) depth = 0;
+        const index = evalMessage.findIndex((v) => v.startsWith('-d')) + 1;
+        evalString = evalMessage.slice(index).join(' ').trim();
+      }
+      if (args[0] === '-a') {
+        const index = evalMessage.findIndex((v) => v === '-a') + 1;
+        evalString = `(async () => { ${evalMessage.slice(index).join(' ').trim()} })()`;
+      }
+
+      try {
+        // eslint-disable-next-line no-eval
+        evaled = await eval(evalString);
+        if (typeof evaled !== 'string') {
+          evaled = inspect(evaled, { depth });
+        }
+        if (evaled === undefined) {
+          evaled = 'undefined';
+        }
+      } catch (error) {
+        evaled = error.stack;
+      }
+
+      evaled = evaled.replace(new RegExp(this.client.config.token, 'gi'), 'juul');
+      // evaled = evaled.replace(new RegExp(this.client.config.emailPass, 'gi'), 'juul');
+      // evaled = evaled.replace(new RegExp(this.client.config.cloudflare, 'gi'), 'juul');
+
+
+      const display = this.client.util.splitString(evaled, 1975);
+      if (display[5]) {
+        try {
+          const { data } = await axios.post('https://snippets.cloud.libraryofcode.org/documents', display.join(''));
+          return message.channel.createMessage(`${this.client.util.emojis.SUCCESS} Your evaluation evaled can be found on https://snippets.cloud.libraryofcode.org/${data.key}`);
+        } catch (error) {
+          return message.channel.createMessage(`${this.client.util.emojis.ERROR} ${error}`);
+        }
+      }
+
+      return display.forEach((m) => message.channel.createMessage(`\`\`\`js\n${m}\n\`\`\``));
+    } catch (err) {
+      return this.client.util.handleError(err, message, this);
+    }
+  }
+}