Leven Commands

commands/analyze/levenshtein.js

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+const Command = require('../../structures/Command');
+const leven = require('leven');
+
+module.exports = class LevenshteinCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'levenshtein',
+			aliases: ['leven'],
+			group: 'analyze',
+			memberName: 'levenshtein',
+			description: 'Determines the levenshtein distance between two strings.',
+			args: [
+				{
+					key: 'text1',
+					prompt: 'What is the first text you would like to compare?',
+					type: 'string'
+				},
+				{
+					key: 'text2',
+					prompt: 'What is the second text you would like to compare?',
+					type: 'string'
+				}
+			]
+		});
+	}
+
+	run(msg, { text1, text2 }) {
+		const distance = leven(text1, text2);
+		return msg.reply(distance);
+	}
+};

commands/analyze/percent-diff.js

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+const Command = require('../../structures/Command');
+const leven = require('leven');
+
+module.exports = class PercentDiffCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'percent-diff',
+			aliases: ['name-diff', 'leven-diff', 'levenshtein-diff'],
+			group: 'analyze',
+			memberName: 'percent-diff',
+			description: 'Determines the percentage between two strings.',
+			args: [
+				{
+					key: 'text1',
+					prompt: 'What is the first text you would like to compare?',
+					type: 'string'
+				},
+				{
+					key: 'text2',
+					prompt: 'What is the second text you would like to compare?',
+					type: 'string'
+				}
+			]
+		});
+	}
+
+	run(msg, { text1, text2 }) {
+		const distance = leven(text1, text2);
+		const bigger = Math.max(text1.length, text2.length);
+		const diff = Math.round(((bigger - distance) / bigger) * 100);
+		return msg.reply(`${diff}%`);
+	}
+};