fix(language-service): ignore null metadatas (angular#20557)

victornoel · mhevery · commit 3e47ea27f564 · 2018-01-02T10:29:44.000-06:00
There can be null metadatas in certain cases, for example with locales. Fixes angular#20260 PR Close angular#20557
diff --git a/packages/compiler/src/aot/static_symbol_resolver.ts b/packages/compiler/src/aot/static_symbol_resolver.ts
@@ -481,7 +481,7 @@ export class StaticSymbolResolver {
       if (moduleMetadatas) {
         let maxVersion = -1;
         moduleMetadatas.forEach((md) => {
-          if (md['version'] > maxVersion) {
+          if (md && md['version'] > maxVersion) {
             maxVersion = md['version'];
             moduleMetadata = md;
           }

Original file line number	Diff line number	Diff line change
`@@ -481,7 +481,7 @@ export class StaticSymbolResolver {`
`481`	`481`	`if (moduleMetadatas) {`
`482`	`482`	`let maxVersion = -1;`
`483`	`483`	`moduleMetadatas.forEach((md) => {`
`484`		`- if (md['version'] > maxVersion) {`
	`484`	`+ if (md && md['version'] > maxVersion) {`
`485`	`485`	`maxVersion = md['version'];`
`486`	`486`	`moduleMetadata = md;`
`487`	`487`	`}`