@hydecorp/push-state/lib/event.js

Turn static web sites into dynamic web apps

const timeout = (t) => new Promise(r => setTimeout(r, t));
export class EventManager {
    constructor(parent) {
        this.parent = parent;
    }
    onStart(context) {
        this.parent.animPromise = timeout(this.parent.duration);
        const transitionUntil = (promise) => {
            this.parent.animPromise = Promise.all([this.parent.animPromise, promise]);
        };
        this.parent.fireEvent('start', { detail: { ...context, transitionUntil } });
    }
    emitDOMError(error) {
        if (process.env.DEBUG)
            console.error(error);
        // To open the link directly, we first pop one entry off the browser history.
        // We have to do this because some browsers (Safari) won't handle the back button correctly otherwise.
        // We then wait for a short time and change the document's location.
        // TODO: If we didn't call `pushState` optimistically we wouldn't have to do this.
        // TODO: Use browser sniffing instead?
        const url = location.href;
        window.history.back();
        setTimeout(() => document.location.assign(url), 100);
    }
    emitNetworkError(context) {
        if (process.env.DEBUG)
            console.error(context);
        this.parent.fireEvent('networkerror', { detail: context });
    }
    emitError(context) {
        if (process.env.DEBUG)
            console.error(context);
        this.parent.fireEvent('error', { detail: context });
    }
    emitReady(context) {
        this.parent.fireEvent('ready', { detail: context });
    }
    emitAfter(context) {
        this.parent.fadePromise = timeout(this.parent.duration);
        const transitionUntil = (promise) => {
            this.parent.fadePromise = Promise.all([this.parent.fadePromise, promise]);
        };
        this.parent.fireEvent('after', { detail: { ...context, transitionUntil } });
    }
    emitProgress(context) {
        this.parent.fireEvent('progress', { detail: context });
    }
    emitLoad(context) {
        this.parent.fireEvent('load', { detail: context });
    }
}
;
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