@grafana/faro-web-sdk/dist/esm/instrumentations/view/instrumentation.js

Faro instrumentations, metas, transports for web.

import { BaseInstrumentation, EVENT_VIEW_CHANGED, unknownString, VERSION } from '@grafana/faro-core';
// all this does is send VIEW_CHANGED event
export class ViewInstrumentation extends BaseInstrumentation {
    constructor() {
        super(...arguments);
        this.name = '@grafana/faro-web-sdk:instrumentation-view';
        this.version = VERSION;
    }
    sendViewChangedEvent(meta) {
        var _a, _b, _c, _d;
        const view = meta.view;
        if (view && view.name !== ((_a = this.notifiedView) === null || _a === void 0 ? void 0 : _a.name)) {
            this.api.pushEvent(EVENT_VIEW_CHANGED, {
                fromView: (_c = (_b = this.notifiedView) === null || _b === void 0 ? void 0 : _b.name) !== null && _c !== void 0 ? _c : unknownString,
                toView: (_d = view.name) !== null && _d !== void 0 ? _d : unknownString,
            }, undefined, { skipDedupe: true });
            this.notifiedView = view;
        }
    }
    initialize() {
        this.metas.addListener(this.sendViewChangedEvent.bind(this));
    }
}
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