fix crash in url util function due to undefined root value: sourceRoot is checked everywhere using != null except in 1(one) spot, which caused a crash in my test set, while debugging indexed map issues with the origin API. (#394)

GerHobbelt · jasonLaster · commit da4f5a72d6a5 · 2019-10-29T14:56:22.000-07:00
diff --git a/lib/source-map-generator.js b/lib/source-map-generator.js
@@ -71,7 +71,7 @@ class SourceMapGenerator {
     });
     aSourceMapConsumer.sources.forEach(function(sourceFile) {
       let sourceRelative = sourceFile;
-      if (sourceRoot !== null) {
+      if (sourceRoot != null) {
         sourceRelative = util.relative(sourceRoot, sourceFile);
       }
 

Original file line number	Diff line number	Diff line change
`@@ -71,7 +71,7 @@ class SourceMapGenerator {`
`71`	`71`	`});`
`72`	`72`	`aSourceMapConsumer.sources.forEach(function(sourceFile) {`
`73`	`73`	`let sourceRelative = sourceFile;`
`74`		`- if (sourceRoot !== null) {`
	`74`	`+ if (sourceRoot != null) {`
`75`	`75`	`sourceRelative = util.relative(sourceRoot, sourceFile);`
`76`	`76`	`}`
`77`	`77`