@Injectable()
export class MathjaxService {
public isQueued = false;
public isRunning = false;
window: any;
constructor(@Inject(PLATFORM_ID) private platformId: Object) {
if (isPlatformBrowser(this.platformId)) {
this.window = window as any;
}
}
finishRunning() {
this.isRunning = false;
if (this.isQueued) {
this.queueChange();
}
}
queueChange() {
if (this.isRunning) {
this.isQueued = true;
} else {
this.isQueued = false;
this.isRunning = true;
if (isPlatformBrowser(this.platformId)) {
if (this.window.MathJax) {
this.window.MathJax.Hub.Config({
messageStyle: 'none',
tex2jax: {
// preview: 'none',
inlineMath: [['$', '$']],
processEscapes: true
}
});
this.window.MathJax.Hub.Queue(['log', console, 'start'], ['Typeset', this.window.MathJax.Hub, document], ['log', console, 'end'], ['finishRunning', this]);
}
} else {
this.finishRunning();
}
}
}
}
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