feat(perf): hoist final regexp

webpack · Jul 1, 2017 · 987a9f3 · 987a9f3
1 parent 5806d15
commit 987a9f3
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/lib/RequestShortener.js b/lib/RequestShortener.js
@@ -9,6 +9,7 @@ const NORMALIZE_SLASH_DIRECTION_REGEXP = /\\/g;
 const PATH_CHARS_REGEXP = /[-[\]{}()*+?.,\\^$|#\s]/g;
 const SEPERATOR_REGEXP = /[\/\\]$/;
 const FRONT_OR_BACK_BANG_REGEXP = /^!|!$/g;
+const INDEX_JS_REGEXP = /\/index.js(!|\?|\(query\))/g;
 
 const normalizeBackSlashDirection = (request) => {
 	return request.replace(NORMALIZE_SLASH_DIRECTION_REGEXP, "/");
@@ -41,8 +42,6 @@ class RequestShortener {
 			this.buildinsAsModule = buildinsAsModule;
 			this.buildinsRegExp = createRegExpForPath(buildins);
 		}
-
-		this.indexJsRegExp = /\/index.js(!|\?|\(query\))/g;
 	}
 
 	shorten(request) {
@@ -56,7 +55,7 @@ class RequestShortener {
 			request = request.replace(this.parentDirectoryRegExp, "!..");
 		if(!this.buildinsAsModule && this.buildinsRegExp)
 			request = request.replace(this.buildinsRegExp, "!(webpack)");
-		request = request.replace(this.indexJsRegExp, "$1");
+		request = request.replace(INDEX_JS_REGEXP, "$1");
 		return request.replace(FRONT_OR_BACK_BANG_REGEXP, "");
 	}
 }