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fix(platform): potential error if CSS object is undefined #9968

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merged 1 commit into from
Feb 18, 2018
Merged

fix(platform): potential error if CSS object is undefined #9968

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6 changes: 3 additions & 3 deletions src/cdk/platform/platform.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ import {Injectable} from '@angular/core';

// Whether the current platform supports the V8 Break Iterator. The V8 check
// is necessary to detect all Blink based browsers.
const hasV8BreakIterator = (typeof(Intl) !== 'undefined' && (Intl as any).v8BreakIterator);
const hasV8BreakIterator = (typeof Intl !== 'undefined' && (Intl as any).v8BreakIterator);

/**
* Service to detect the current platform by comparing the userAgent strings and
Expand All @@ -29,8 +29,8 @@ export class Platform {

/** Whether the current rendering engine is Blink. */
// EdgeHTML and Trident mock Blink specific things and need to be excluded from this check.
BLINK: boolean = this.isBrowser &&
(!!((window as any).chrome || hasV8BreakIterator) && !!CSS && !this.EDGE && !this.TRIDENT);
BLINK: boolean = this.isBrowser && (!!((window as any).chrome || hasV8BreakIterator) &&
typeof CSS !== 'undefined' && !this.EDGE && !this.TRIDENT);

/** Whether the current rendering engine is WebKit. */
// Webkit is part of the userAgent in EdgeHTML, Blink and Trident. Therefore we need to
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