Not use toPath in tsc when dealing with file watching

zhengbli · zhengbli · commit 900281033e9d · 2016-04-05T12:19:36.000-07:00
diff --git a/src/compiler/tsc.ts b/src/compiler/tsc.ts
@@ -333,8 +333,7 @@ namespace ts {
                 return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped);
             }
             if (configFileName) {
-                const configFilePath = toPath(configFileName, sys.getCurrentDirectory(), createGetCanonicalFileName(sys.useCaseSensitiveFileNames));
-                configFileWatcher = sys.watchFile(configFilePath, configFileChanged);
+                configFileWatcher = sys.watchFile(configFileName, configFileChanged);
             }
             if (sys.watchDirectory && configFileName) {
                 const directory = ts.getDirectoryPath(configFileName);
@@ -446,8 +445,7 @@ namespace ts {
             const sourceFile = hostGetSourceFile(fileName, languageVersion, onError);
             if (sourceFile && isWatchSet(compilerOptions) && sys.watchFile) {
                 // Attach a file watcher
-                const filePath = toPath(sourceFile.fileName, sys.getCurrentDirectory(), createGetCanonicalFileName(sys.useCaseSensitiveFileNames));
-                sourceFile.fileWatcher = sys.watchFile(filePath, (fileName: string, removed?: boolean) => sourceFileChanged(sourceFile, removed));
+                sourceFile.fileWatcher = sys.watchFile(sourceFile.fileName, (fileName: string, removed?: boolean) => sourceFileChanged(sourceFile, removed));
             }
             return sourceFile;
         }

Original file line number	Diff line number	Diff line change
`@@ -333,8 +333,7 @@ namespace ts {`
`333`	`333`	`return sys.exit(ExitStatus.DiagnosticsPresent_OutputsSkipped);`
`334`	`334`	`}`
`335`	`335`	`if (configFileName) {`
`336`		`- const configFilePath = toPath(configFileName, sys.getCurrentDirectory(), createGetCanonicalFileName(sys.useCaseSensitiveFileNames));`
`337`		`- configFileWatcher = sys.watchFile(configFilePath, configFileChanged);`
	`336`	`+ configFileWatcher = sys.watchFile(configFileName, configFileChanged);`
`338`	`337`	`}`
`339`	`338`	`if (sys.watchDirectory && configFileName) {`
`340`	`339`	`const directory = ts.getDirectoryPath(configFileName);`
`@@ -446,8 +445,7 @@ namespace ts {`
`446`	`445`	`const sourceFile = hostGetSourceFile(fileName, languageVersion, onError);`
`447`	`446`	`if (sourceFile && isWatchSet(compilerOptions) && sys.watchFile) {`
`448`	`447`	`// Attach a file watcher`
`449`		`- const filePath = toPath(sourceFile.fileName, sys.getCurrentDirectory(), createGetCanonicalFileName(sys.useCaseSensitiveFileNames));`
`450`		`- sourceFile.fileWatcher = sys.watchFile(filePath, (fileName: string, removed?: boolean) => sourceFileChanged(sourceFile, removed));`
	`448`	`+ sourceFile.fileWatcher = sys.watchFile(sourceFile.fileName, (fileName: string, removed?: boolean) => sourceFileChanged(sourceFile, removed));`
`451`	`449`	`}`
`452`	`450`	`return sourceFile;`
`453`	`451`	`}`