don't need that enclosing function no more

Author: njbotkin

cli.js

@@ -5,60 +5,55 @@ const cli = require(`commander`)
 
 const { readFileSync } = require('fs')
 
-async function main() {
-
-	cli
-		.version(`0.1.0`)
-		.usage(`[options] <file1> <file2>`)
-		.on(`--help`, () => {
-			console.log(``)
-			console.log(`  Example:`)
-			console.log(``)
-			console.log(`    $ splitdiff file1 file2`)
-			console.log(`    $ git diff --no-pager file1 file2 | splitdiff`)
-			console.log(``)
+cli
+	.version(`0.1.0`)
+	.usage(`[options] <file1> <file2>`)
+	.on(`--help`, () => {
+		console.log(``)
+		console.log(`  Example:`)
+		console.log(``)
+		console.log(`    $ splitdiff file1 file2`)
+		console.log(`    $ git diff --no-pager file1 file2 | splitdiff`)
+		console.log(``)
+	})
+	.parse(process.argv)
+
+try {
+
+	if (cli.args.length < 2) {
+
+		process.stdin.setEncoding('utf8')
+
+		let data = ''
+
+		process.stdin.on('readable', () => {
+			const chunk = process.stdin.read()
+			if (chunk !== null) {
+				data += chunk
+			}
+		})
+		process.stdin.on('end', () => {
+			if(data !== '') {
+				console.log(splitPatch(data, {}))
+			}
 		})
-		.parse(process.argv)
-
-	try {
-
-		if (cli.args.length < 2) {
-
-			process.stdin.setEncoding('utf8')
-
-			let data = ''
 
-			process.stdin.on('readable', () => {
-				const chunk = process.stdin.read()
-				if (chunk !== null) {
-					data += chunk
+	} 
+	else {
+		console.log(
+			splitDiffStrings(
+				cli.args[0] + `\n\n` + readFileSync(cli.args[0], { encoding: `utf8` }),
+				cli.args[1] + `\n\n` + readFileSync(cli.args[1], { encoding: `utf8` }),
+				{ 
+					diffType: `diffLines`,
+					lineNumbers: true,
+					lineOffset: 2
 				}
-			})
-			process.stdin.on('end', () => {
-				if(data !== '') {
-					console.log(splitPatch(data, {}))
-				}
-			})
-
-		} 
-		else {
-			console.log(
-				splitDiffStrings(
-					cli.args[0] + `\n\n` + readFileSync(cli.args[0], { encoding: `utf8` }),
-					cli.args[1] + `\n\n` + readFileSync(cli.args[1], { encoding: `utf8` }),
-					{ 
-						diffType: `diffLines`,
-						lineNumbers: true,
-						lineOffset: 2
-					}
-				)
 			)
-		}
-
-	} catch (error) {
-		console.log(`splitdiff:`, error)
-		process.exit(1)
+		)
 	}
-}
 
-main()
+} catch (error) {
+	console.log(`splitdiff:`, error)
+	process.exit(1)
+}