Tiny cleanups.

tushardhole · Apr 11, 2017 · 0c87839 · 0c87839
1 parent 40d993e
commit 0c87839
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/packages/jest-runtime/src/index.js b/packages/jest-runtime/src/index.js
@@ -56,7 +56,9 @@ const NODE_MODULES = path.sep + 'node_modules' + path.sep;
 const SNAPSHOT_EXTENSION = 'snap';
 
 const getModuleNameMapper = (config: Config) => {
-  if (Array.isArray(config.moduleNameMapper)) {
+  if (
+    Array.isArray(config.moduleNameMapper) && config.moduleNameMapper.length
+  ) {
     return config.moduleNameMapper.map(([regex, moduleName]) => {
       return {moduleName, regex: new RegExp(regex)};
     });

diff --git a/packages/jest-test-typescript-parser/src/TypeScriptParser.js b/packages/jest-test-typescript-parser/src/TypeScriptParser.js
@@ -36,7 +36,7 @@ function parse(file: string) {
         itBlocks.push(position);
       } else {
         let element = node.expression;
-        let expectText: string = '';
+        let expectText = '';
         while (!expectText) {
           expectText = element.text;
           element = element.expression;