fix(compatibility): error in theme check with angular universal (#3872)

crisbeto · jelbourn · commit a65d2f4c0f0b · 2017-04-11T08:58:24.000-07:00
Fixes a reference error being thrown by the theme check when using server-side rendering. Fixes #3870.
diff --git a/src/lib/core/compatibility/compatibility.ts b/src/lib/core/compatibility/compatibility.ts
@@ -190,7 +190,7 @@ export class CompatibilityModule {
   }
 
   private _checkTheme(): void {
-    if (this._document) {
+    if (this._document && typeof getComputedStyle === 'function') {
       const testElement = this._document.createElement('div');
 
       testElement.classList.add('mat-theme-loaded-marker');

Original file line number	Diff line number	Diff line change
`@@ -190,7 +190,7 @@ export class CompatibilityModule {`
`190`	`190`	`}`
`191`	`191`
`192`	`192`	`private _checkTheme(): void {`
`193`		`- if (this._document) {`
	`193`	`+ if (this._document && typeof getComputedStyle === 'function') {`
`194`	`194`	`const testElement = this._document.createElement('div');`
`195`	`195`
`196`	`196`	`testElement.classList.add('mat-theme-loaded-marker');`