Make regexp a constant

Benjamin Lichtman · Benjamin Lichtman · commit ba8bc559073a · 2018-06-29T11:51:56.000-07:00
diff --git a/src/services/outliningElementsCollector.ts b/src/services/outliningElementsCollector.ts
@@ -83,8 +83,9 @@ namespace ts.OutliningElementsCollector {
         }
     }
 
+    const regionDelimiterRegExp = /^\s*\/\/\s*#(end)?region(?:\s+(.*))?(?:\r)?$/;
     function isRegionDelimiter(lineText: string) {
-        return lineText.match(/^\s*\/\/\s*#(end)?region(?:\s+(.*))?(?:\r)?$/);
+        return regionDelimiterRegExp.exec(lineText);
     }
 
     function addOutliningForLeadingCommentsForNode(n: Node, sourceFile: SourceFile, cancellationToken: CancellationToken, out: Push<OutliningSpan>): void {

Original file line number	Diff line number	Diff line change
`@@ -83,8 +83,9 @@ namespace ts.OutliningElementsCollector {`
`83`	`83`	`}`
`84`	`84`	`}`
`85`	`85`
	`86`	`+ const regionDelimiterRegExp = /^\s\/\/\s#(end)?region(?:\s+(.*))?(?:\r)?$/;`
`86`	`87`	`function isRegionDelimiter(lineText: string) {`
`87`		`- return lineText.match(/^\s\/\/\s#(end)?region(?:\s+(.*))?(?:\r)?$/);`
	`88`	`+ return regionDelimiterRegExp.exec(lineText);`
`88`	`89`	`}`
`89`	`90`
`90`	`91`	`function addOutliningForLeadingCommentsForNode(n: Node, sourceFile: SourceFile, cancellationToken: CancellationToken, out: Push<OutliningSpan>): void {`