add test for moduleSuffixes

javascript/ql/test/library-tests/TypeScript/Types/tsconfig.json

@@ -3,6 +3,7 @@
     "module": "esnext",
     "target": "esnext",
     "lib": ["dom", "esnext"],
-    "resolveJsonModule": true
+    "resolveJsonModule": true,
+    "moduleSuffixes": [".ios", ""]
   }
 }

javascript/ql/test/library-tests/TypeScript/Types/tst.ts

@@ -363,3 +363,13 @@ console.log(tstModuleCJS());
 
 /////////////////
 
+// test file resolution order (see tsconfig: moduleSuffixes setting)
+
+import * as A from './tstSuffixA';
+
+console.log(A.resolvedFile()); // <- 'tstSuffixA.ts'
+
+import * as B from './tstSuffixB';
+
+console.log(B.resolvedFile()); // <- 'tstSuffixB.ios.ts'
+

javascript/ql/test/library-tests/TypeScript/Types/tstSuffixA.ts

@@ -0,0 +1,3 @@
+export function resolvedFile(): 'tstSuffixA.ts' {
+    return 'tstSuffixA.ts';
+} 

javascript/ql/test/library-tests/TypeScript/Types/tstSuffixB.ios.ts

@@ -0,0 +1,3 @@
+export function resolvedFile(): 'tstSuffixB.ios.ts' {
+    return 'tstSuffixB.ios.ts';
+}

javascript/ql/test/library-tests/TypeScript/Types/tstSuffixB.ts

@@ -0,0 +1,3 @@
+export function resolvedFile(): 'tstSuffixB.ts' {
+    return 'tstSuffixB.ts';
+}