minor optimization

Rich-Harris · Mar 14, 2018 · fa5ca12 · fa5ca12
1 parent 114b46b
commit fa5ca12
Showing 1 changed file with 5 additions and 6 deletions.
diff --git a/src/utils/Mappings.js b/src/utils/Mappings.js
@@ -70,17 +70,16 @@ export default function Mappings ( hires ) {
 		if ( !str ) return;
 
 		const lines = str.split( '\n' );
-		const lastLine = lines.pop();
 
-		if ( lines.length ) {
-			for ( let i = 0; i < lines.length; i++ ) {
+		if ( lines.length > 1 ) {
+			for ( let i = 0; i < lines.length - 1; i++ ) {
 				generatedCodeLine++;
 				this.raw[generatedCodeLine] = rawSegments = [];
 			}
-			generatedCodeColumn = lastLine.length;
-		} else {
-			generatedCodeColumn += lastLine.length;
+			generatedCodeColumn = 0;
 		}
+
+		generatedCodeColumn += lines[lines.length - 1].length;
 	};
 
 	this.encode = () => {