use slugify utility

src/cmd/logic-function.js

@@ -7,7 +7,7 @@ const settings = require('../../settings');
 const { normalizedApiError } = require('../lib/api-client');
 const templateProcessor = require('../lib/template-processor');
 const fs = require('fs-extra');
-
+const { slugify } = require('../lib/utilities');
 const logicFunctionTemplatePath = path.join(__dirname, '/../../assets/logicFunction');
 
 /**
@@ -79,7 +79,7 @@ module.exports = class LogicFunctionsCommand extends CLICommandBase {
 		};
 		const result =  await this.ui.prompt([question]);
 		const description = result.description;
-		const slugName = name.toLowerCase().replace(/\s/g, '-');
+		const slugName = slugify(name);
 		const destinationPath = path.join(filepath, slugName);
 
 		this.ui.stdout.write(`Creating Logic Function ${this.ui.chalk.bold(name)} for ${orgName}...${os.EOL}`);

src/lib/utilities.js

@@ -389,6 +389,23 @@ module.exports = {
 		const savedProp = fs.readFileSync(propPath, 'utf8');
 		const parsedPropFile = propertiesParser.parse(savedProp);
 		return parsedPropFile;
-	}
+	},
+
+	/**
+	 * Converts a string to the slug version by replacing
+	 * spaces and underscores with dashes, changing
+	 * to lowercase, and removing anything other than
+	 * numbers, letters, and dashes
+	 * @param  {String} str string to slugify
+	 * @return {String}     slugified version of str
+	 */
+	slugify(str) {
+		const slug = str.trim().toLowerCase()
+			// replace every group of spaces and underscores with a single hyphen
+			.replace(/[ _]+/g, '-')
+			// delete everything other than letters, numbers and hyphens
+			.replace(/[^a-z0-9-]/g, '');
+		return slug;
+	},
 };