Fix microsoft#1871 by ensuring the at we get the canonical filename before we check the extension

mhegazy · mhegazy · commit 0ce51e684f8b · 2015-01-30T18:22:12.000-08:00
diff --git a/src/compiler/program.ts b/src/compiler/program.ts
@@ -176,7 +176,7 @@ module ts {
             }
             var diagnostic: DiagnosticMessage;
             if (hasExtension(filename)) {
-                if (!options.allowNonTsExtensions && !fileExtensionIs(filename, ".ts")) {
+                if (!options.allowNonTsExtensions && !fileExtensionIs(host.getCanonicalFileName(filename), ".ts")) {
                     diagnostic = Diagnostics.File_0_must_have_extension_ts_or_d_ts;
                 }
                 else if (!findSourceFile(filename, isDefaultLib, refFile, refPos, refEnd)) {

Original file line number	Diff line number	Diff line change
`@@ -176,7 +176,7 @@ module ts {`
`176`	`176`	`}`
`177`	`177`	`var diagnostic: DiagnosticMessage;`
`178`	`178`	`if (hasExtension(filename)) {`
`179`		`- if (!options.allowNonTsExtensions && !fileExtensionIs(filename, ".ts")) {`
	`179`	`+ if (!options.allowNonTsExtensions && !fileExtensionIs(host.getCanonicalFileName(filename), ".ts")) {`
`180`	`180`	`diagnostic = Diagnostics.File_0_must_have_extension_ts_or_d_ts;`
`181`	`181`	`}`
`182`	`182`	`else if (!findSourceFile(filename, isDefaultLib, refFile, refPos, refEnd)) {`