build: update package dependencies (#207)

Updated tests to match protocol changes

Author: chuckjaz

server/package.json

@@ -13,15 +13,15 @@
     "test": "tsc -p . && jasmine dist/**/*_spec.js"
   },
   "dependencies": {
-    "@angular/language-service": "5.0.0-beta.5",
-    "typescript": "^2.3.4",
-    "vscode-jsonrpc": "~3.2.0",
-    "vscode-languageserver": "~3.2.2"
+    "@angular/language-service": "5.1.x",
+    "typescript": "2.5.x",
+    "vscode-jsonrpc": "^3.2.0",
+    "vscode-languageserver": "^3.2.2"
   },
   "devDependencies": {
-    "@angular/compiler": "5.0.0-beta.5",
-    "@angular/compiler-cli": "5.0.0-beta.5",
-    "@angular/core": "5.0.0-beta.5",
+    "@angular/compiler": "5.1.x",
+    "@angular/compiler-cli": "5.1.x",
+    "@angular/core": "5.1.x",
     "@types/jasmine": "^2.5.38",
     "@types/node": "^6.0.46",
     "jasmine": "^2.5.2",

server/src/errors.ts

@@ -1,5 +1,6 @@
 import {DiagnosticSeverity, IConnection, Range, TextDocumentIdentifier} from 'vscode-languageserver';
 import {TextDocuments} from './documents';
+import {DiagnosticMessageChain} from '@angular/language-service/src/types';
 
 export class ErrorCollector {
   private timer: NodeJS.Timer | undefined;
@@ -41,7 +42,7 @@ export class ErrorCollector {
           uri: document.uri,
           diagnostics: diagnostics.map((diagnostic, i) => ({
             range: ranges[i],
-            message: diagnostic.message,
+            message: flattenChain(diagnostic.message, ''),
             severity: DiagnosticSeverity.Error,
             source: 'Angular'
           }))
@@ -50,3 +51,13 @@ export class ErrorCollector {
     }
   }
 }
+
+function flattenChain(message: string | DiagnosticMessageChain, prefix: string) {
+  if (typeof message === 'string') {
+    return `${prefix}${message}`;
+  }
+  if (message.next) {
+    return `${prefix}${message.message}\n${flattenChain(message.next, prefix + '  ')}`;
+  }
+  return `${prefix}${message.message}`
+}