add static fromProps

public/scripts/slash-commands/SlashCommand.js

@@ -3,6 +3,27 @@ import { SlashCommandArgument, SlashCommandNamedArgument } from './SlashCommandA
 
 
 export class SlashCommand {
+    /**
+     * Creates a SlashCommand from a properties object.
+     * @param {Object} props
+     * @param {string} [props.name]
+     * @param {Function} [props.callback]
+     * @param {string} [props.helpString]
+     * @param {boolean} [props.interruptsGeneration]
+     * @param {boolean} [props.purgeFromMessage]
+     * @param {string[]} [props.aliases]
+     * @param {string} [props.returns]
+     * @param {SlashCommandNamedArgument[]} [props.namedArgumentList]
+     * @param {SlashCommandArgument[]} [props.unnamedArgumentList]
+     */
+    static fromProps(props) {
+        const instance = Object.assign(new this(), props);
+        return instance;
+    }
+
+
+
+
     /**@type {string}*/ name;
     /**@type {Function}*/ callback;
     /**@type {string}*/ helpString;