'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var firebase = _interopDefault(require('@firebase/app'));
var tslib_1 = require('tslib');
var util = require('@firebase/util');
require('@firebase/installations');
var logger$1 = require('@firebase/logger');

/**
 * Copyright 2017 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var SDK_VERSION = '0.2.2';
/** The prefix for start User Timing marks used for creating Traces. */
var TRACE_START_MARK_PREFIX = 'FB-PERF-TRACE-START';
/** The prefix for stop User Timing marks used for creating Traces. */
var TRACE_STOP_MARK_PREFIX = 'FB-PERF-TRACE-STOP';
/** The prefix for User Timing measure used for creating Traces. */
var TRACE_MEASURE_PREFIX = 'FB-PERF-TRACE-MEASURE';
/** The prefix for out of the box page load Trace name. */
var OOB_TRACE_PAGE_LOAD_PREFIX = '_wt_';
var FIRST_PAINT_COUNTER_NAME = '_fp';
var FIRST_CONTENTFUL_PAINT_COUNTER_NAME = '_fcp';
var FIRST_INPUT_DELAY_COUNTER_NAME = '_fid';
var CONFIG_LOCAL_STORAGE_KEY = '@firebase/performance/config';
var CONFIG_EXPIRY_LOCAL_STORAGE_KEY = '@firebase/performance/configexpire';
var SERVICE = 'performance';
var SERVICE_NAME = 'Performance';

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var _a;
var ERROR_DESCRIPTION_MAP = (_a = {},
    _a["trace started" /* TRACE_STARTED_BEFORE */] = 'Trace {$traceName} was started before.',
    _a["trace stopped" /* TRACE_STOPPED_BEFORE */] = 'Trace {$traceName} is not running.',
    _a["no window" /* NO_WINDOW */] = 'Window is not available.',
    _a["no app id" /* NO_APP_ID */] = 'App id is not available.',
    _a["no project id" /* NO_PROJECT_ID */] = 'Project id is not available.',
    _a["no api key" /* NO_API_KEY */] = 'Api key is not available.',
    _a["invalid cc log" /* INVALID_CC_LOG */] = 'Attempted to queue invalid cc event',
    _a["FB not default" /* FB_NOT_DEFAULT */] = 'Performance can only start when Firebase app instance is the default one.',
    _a["RC response not ok" /* RC_NOT_OK */] = 'RC response is not ok',
    _a);
var ERROR_FACTORY = new util.ErrorFactory(SERVICE, SERVICE_NAME, ERROR_DESCRIPTION_MAP);

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var apiInstance;
var windowInstance;
/**
 * This class holds a reference to various browser related objects injected by set methods.
 */
var Api = /** @class */ (function () {
    function Api(window) {
        if (!window) {
            throw ERROR_FACTORY.create("no window" /* NO_WINDOW */);
        }
        this.performance = window.performance;
        this.PerformanceObserver = window.PerformanceObserver;
        this.windowLocation = window.location;
        this.navigator = window.navigator;
        this.document = window.document;
        this.localStorage = window.localStorage;
        if (window.perfMetrics && window.perfMetrics.onFirstInputDelay) {
            this.onFirstInputDelay = window.perfMetrics.onFirstInputDelay;
        }
    }
    Api.prototype.getUrl = function () {
        // Do not capture the string query part of url.
        return this.windowLocation.href.split('?')[0];
    };
    Api.prototype.mark = function (name) {
        if (!this.performance || !this.performance.mark)
            return;
        this.performance.mark(name);
    };
    Api.prototype.measure = function (measureName, mark1, mark2) {
        if (!this.performance || !this.performance.measure)
            return;
        this.performance.measure(measureName, mark1, mark2);
    };
    Api.prototype.getEntriesByType = function (type) {
        if (!this.performance || !this.performance.getEntriesByType)
            return [];
        return this.performance.getEntriesByType(type);
    };
    Api.prototype.getEntriesByName = function (name) {
        if (!this.performance || !this.performance.getEntriesByName)
            return [];
        return this.performance.getEntriesByName(name);
    };
    Api.prototype.getTimeOrigin = function () {
        // Polyfill the time origin with performance.timing.navigationStart.
        return (this.performance &&
            (this.performance.timeOrigin || this.performance.timing.navigationStart));
    };
    Api.prototype.setupObserver = function (entryType, callback) {
        if (!this.PerformanceObserver)
            return;
        var observer = new this.PerformanceObserver(function (list) {
            for (var _i = 0, _a = list.getEntries(); _i < _a.length; _i++) {
                var entry = _a[_i];
                // `entry` is a PerformanceEntry instance.
                callback(entry);
            }
        });
        // Start observing the entry types you care about.
        observer.observe({ entryTypes: [entryType] });
    };
    Api.getInstance = function () {
        if (apiInstance === undefined) {
            apiInstance = new Api(windowInstance);
        }
        return apiInstance;
    };
    return Api;
}());
function setupApi(window) {
    windowInstance = window;
}

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var settingsServiceInstance;
var SettingsService = /** @class */ (function () {
    function SettingsService() {
        // The variable which controls logging of automatic traces and HTTP/S network monitoring.
        this.instrumentationEnabled = true;
        // The variable which controls logging of custom traces.
        this.dataCollectionEnabled = true;
        // Configuration flags set through remote config.
        this.loggingEnabled = false;
        // Sampling rate between 0 and 1.
        this.tracesSamplingRate = 1;
        this.networkRequestsSamplingRate = 1;
        // Address of logging service.
        this.logEndPointUrl = 'https://firebaselogging.googleapis.com/v0cc/log?format=json_proto';
        this.logSource = 462;
        // Flags which control per session logging of traces and network requests.
        this.logTraceAfterSampling = false;
        this.logNetworkAfterSampling = false;
        // TTL of config retrieved from remote config in hours.
        this.configTimeToLive = 12;
    }
    SettingsService.prototype.getAppId = function () {
        var appId = this.firebaseAppInstance &&
            this.firebaseAppInstance.options &&
            this.firebaseAppInstance.options.appId;
        if (!appId) {
            throw ERROR_FACTORY.create("no app id" /* NO_APP_ID */);
        }
        return appId;
    };
    SettingsService.prototype.getProjectId = function () {
        var projectId = this.firebaseAppInstance &&
            this.firebaseAppInstance.options &&
            this.firebaseAppInstance.options.projectId;
        if (!projectId) {
            throw ERROR_FACTORY.create("no project id" /* NO_PROJECT_ID */);
        }
        return projectId;
    };
    SettingsService.prototype.getApiKey = function () {
        var apiKey = this.firebaseAppInstance &&
            this.firebaseAppInstance.options &&
            this.firebaseAppInstance.options.apiKey;
        if (!apiKey) {
            throw ERROR_FACTORY.create("no api key" /* NO_API_KEY */);
        }
        return apiKey;
    };
    SettingsService.getInstance = function () {
        if (settingsServiceInstance === undefined) {
            settingsServiceInstance = new SettingsService();
        }
        return settingsServiceInstance;
    };
    return SettingsService;
}());

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var iid;
function getIidPromise() {
    var iidPromise = SettingsService.getInstance()
        .firebaseAppInstance.installations()
        .getId();
    iidPromise.then(function (iidVal) {
        iid = iidVal;
    });
    return iidPromise;
}
// This method should be used after the iid is retrieved by getIidPromise method.
function getIid() {
    return iid;
}
function getAuthTokenPromise() {
    var authTokenPromise = SettingsService.getInstance()
        .firebaseAppInstance.installations()
        .getToken();
    authTokenPromise.then(function (authTokenVal) {
    });
    return authTokenPromise;
}

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var VisibilityState;
(function (VisibilityState) {
    VisibilityState[VisibilityState["UNKNOWN"] = 0] = "UNKNOWN";
    VisibilityState[VisibilityState["VISIBLE"] = 1] = "VISIBLE";
    VisibilityState[VisibilityState["HIDDEN"] = 2] = "HIDDEN";
    VisibilityState[VisibilityState["PRERENDER"] = 3] = "PRERENDER";
    VisibilityState[VisibilityState["UNLOADED"] = 4] = "UNLOADED";
})(VisibilityState || (VisibilityState = {}));
function getServiceWorkerStatus() {
    var navigator = Api.getInstance().navigator;
    if ('serviceWorker' in navigator) {
        if (navigator.serviceWorker.controller) {
            return 2 /* CONTROLLED */;
        }
        else {
            return 3 /* UNCONTROLLED */;
        }
    }
    else {
        return 1 /* UNSUPPORTED */;
    }
}
function getVisibilityState() {
    var document = Api.getInstance().document;
    var visibilityState = document.visibilityState;
    switch (visibilityState) {
        case 'visible':
            return VisibilityState.VISIBLE;
        case 'hidden':
            return VisibilityState.HIDDEN;
        case 'prerender':
            return VisibilityState.PRERENDER;
        default:
            return VisibilityState.UNKNOWN;
    }
}
function getEffectiveConnectionType() {
    var navigator = Api.getInstance().navigator;
    var navigatorConnection = navigator.connection;
    var effectiveType = navigatorConnection && navigatorConnection.effectiveType;
    switch (effectiveType) {
        case 'slow-2g':
            return 1 /* CONNECTION_SLOW_2G */;
        case '2g':
            return 2 /* CONNECTION_2G */;
        case '3g':
            return 3 /* CONNECTION_3G */;
        case '4g':
            return 4 /* CONNECTION_4G */;
        default:
            return 0 /* UNKNOWN */;
    }
}

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var consoleLogger = new logger$1.Logger(SERVICE_NAME);
consoleLogger.logLevel = logger$1.LogLevel.INFO;

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var REMOTE_CONFIG_SDK_VERSION = '0.0.1';
// These values will be used if the remote config object is successfully
// retrieved, but the template does not have these fields.
var SECONDARY_CONFIGS = {
    loggingEnabled: true
};
var FIS_AUTH_PREFIX = 'FIREBASE_INSTALLATIONS_AUTH';
function getConfig(iid) {
    var config = getStoredConfig();
    if (config) {
        processConfig(config);
        return Promise.resolve();
    }
    return getRemoteConfig(iid)
        .then(function (config) { return processConfig(config); })
        .then(function (config) { return storeConfig(config); }, 
    /** Do nothing for error, use defaults set in settings service. */ function () { });
}
function getStoredConfig() {
    var localStorage = Api.getInstance().localStorage;
    var expiryString = localStorage.getItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY);
    if (!expiryString || !configValid(expiryString))
        return;
    var configStringified = localStorage.getItem(CONFIG_LOCAL_STORAGE_KEY);
    if (!configStringified)
        return;
    try {
        var configResponse = JSON.parse(configStringified);
        return configResponse;
    }
    catch (_a) {
        return;
    }
}
function storeConfig(config) {
    if (!config)
        return;
    var localStorage = Api.getInstance().localStorage;
    localStorage.setItem(CONFIG_LOCAL_STORAGE_KEY, JSON.stringify(config));
    localStorage.setItem(CONFIG_EXPIRY_LOCAL_STORAGE_KEY, String(Date.now() +
        SettingsService.getInstance().configTimeToLive * 60 * 60 * 1000));
}
var COULD_NOT_GET_CONFIG_MSG = 'Could not fetch config, will use default configs';
function getRemoteConfig(iid) {
    // Perf needs auth token only to retrieve remote config.
    return getAuthTokenPromise()
        .then(function (authToken) {
        var projectId = SettingsService.getInstance().getProjectId();
        var configEndPoint = "https://firebaseremoteconfig.googleapis.com/v1/projects/" + projectId + "/namespaces/fireperf:fetch?key=" + SettingsService.getInstance().getApiKey();
        var request = new Request(configEndPoint, {
            method: 'POST',
            headers: {
                Authorization: FIS_AUTH_PREFIX + " " + authToken
            },
            body: JSON.stringify({
                app_instance_id: iid,
                app_instance_id_token: authToken,
                app_id: SettingsService.getInstance().getAppId(),
                app_version: SDK_VERSION,
                sdk_version: REMOTE_CONFIG_SDK_VERSION
            })
        });
        return fetch(request).then(function (response) {
            if (response.ok) {
                return response.json();
            }
            // In case response is not ok. This will be caught by catch.
            throw ERROR_FACTORY.create("RC response not ok" /* RC_NOT_OK */);
        });
    })
        .catch(function () {
        consoleLogger.info(COULD_NOT_GET_CONFIG_MSG);
        return undefined;
    });
}
/**
 * Processes config coming either from calling RC or from local storage.
 * This method only runs if call is successful or config in storage
 * is valie.
 */
function processConfig(config) {
    if (!config)
        return config;
    var settingsServiceInstance = SettingsService.getInstance();
    var entries = config.entries || {};
    if (entries.fpr_enabled !== undefined) {
        // TODO: Change the assignment of loggingEnabled once the received type is known.
        settingsServiceInstance.loggingEnabled =
            String(entries.fpr_enabled) === 'true';
    }
    else {
        // Config retrieved successfully, but there is no fpr_enabled in template.
        // Use secondary configs value.
        settingsServiceInstance.loggingEnabled = SECONDARY_CONFIGS.loggingEnabled;
    }
    if (entries.fpr_log_source) {
        settingsServiceInstance.logSource = Number(entries.fpr_log_source);
    }
    if (entries.fpr_log_endpoint_url) {
        settingsServiceInstance.logEndPointUrl = entries.fpr_log_endpoint_url;
    }
    if (entries.fpr_vc_network_request_sampling_rate !== undefined) {
        settingsServiceInstance.networkRequestsSamplingRate = Number(entries.fpr_vc_network_request_sampling_rate);
    }
    if (entries.fpr_vc_trace_sampling_rate !== undefined) {
        settingsServiceInstance.tracesSamplingRate = Number(entries.fpr_vc_trace_sampling_rate);
    }
    // Set the per session trace and network logging flags.
    settingsServiceInstance.logTraceAfterSampling = shouldLogAfterSampling(settingsServiceInstance.tracesSamplingRate);
    settingsServiceInstance.logNetworkAfterSampling = shouldLogAfterSampling(settingsServiceInstance.networkRequestsSamplingRate);
    return config;
}
function configValid(expiry) {
    return Number(expiry) > Date.now();
}
function shouldLogAfterSampling(samplingRate) {
    return Math.random() <= samplingRate;
}

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var initializationStatus = 1 /* notInitialized */;
var initializationPromise;
function getInitializationPromise() {
    initializationStatus = 2 /* initializationPending */;
    initializationPromise = initializationPromise || initializePerf();
    return initializationPromise;
}
function isPerfInitialized() {
    return initializationStatus === 3 /* initialized */;
}
function initializePerf() {
    return getDocumentReadyComplete()
        .then(function () { return getIidPromise(); })
        .then(function (iid) { return getConfig(iid); })
        .then(function () { return changeInitializationStatus(); }, function () { return changeInitializationStatus(); });
}
/**
 * Returns a promise which resolves whenever the document readystate is complete or
 * immediately if it is called after page load complete.
 */
function getDocumentReadyComplete() {
    var document = Api.getInstance().document;
    return new Promise(function (resolve) {
        if (document && document.readyState !== 'complete') {
            var handler_1 = function () {
                if (document.readyState === 'complete') {
                    document.removeEventListener('readystatechange', handler_1);
                    resolve();
                }
            };
            document.addEventListener('readystatechange', handler_1);
        }
        else {
            resolve();
        }
    });
}
function changeInitializationStatus() {
    initializationStatus = 3 /* initialized */;
}

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var DEFAULT_SEND_INTERVAL_MS = 10 * 1000;
var INITIAL_SEND_TIME_DELAY_MS = 5.5 * 1000;
// If end point does not work, the call will be tried for these many times.
var DEFAULT_REMAINING_TRIES = 3;
var remainingTries = DEFAULT_REMAINING_TRIES;
var queue = [];
function processQueue(timeOffset) {
    setTimeout(function () {
        // If there is no remainingTries left, stop retrying.
        if (remainingTries === 0) {
            return;
        }
        // If there are no events to process, wait for DEFAULT_SEND_INTERVAL_MS and try again.
        if (!queue.length) {
            return processQueue(DEFAULT_SEND_INTERVAL_MS);
        }
        // Capture a snapshot of the queue and empty the "official queue".
        var staged = queue.slice();
        queue = [];
        // We will pass the JSON serialized event to the backend.
        var log_event = staged.map(function (evt) { return ({
            source_extension_json: evt.message,
            event_time_ms: String(evt.eventTime)
        }); });
        var data = {
            request_time_ms: String(Date.now()),
            client_info: {
                client_type: 1,
                js_client_info: {}
            },
            log_source: SettingsService.getInstance().logSource,
            log_event: log_event
        };
        fetch(SettingsService.getInstance().logEndPointUrl, {
            method: 'POST',
            body: JSON.stringify(data)
        })
            .then(function (res) {
            if (!res.ok) {
                consoleLogger.info('Call to Firebase backend failed.');
            }
            return res.json();
        })
            .then(function (res) {
            // Find the next call wait time from the response.
            var requestOffset = Math.max(DEFAULT_SEND_INTERVAL_MS, parseInt(res.next_request_wait_millis, 10));
            remainingTries = DEFAULT_REMAINING_TRIES;
            // Schedule the next process.
            processQueue(requestOffset);
        })
            .catch(function () {
            /**
             * If the request fails for some reason, add the events that were attempted
             * back to the primary queue to retry later.
             */
            queue = staged.concat(queue);
            remainingTries--;
            consoleLogger.info("Tries left: " + remainingTries + ".");
            processQueue(DEFAULT_SEND_INTERVAL_MS);
        });
    }, timeOffset);
}
processQueue(INITIAL_SEND_TIME_DELAY_MS);
function addToQueue(evt) {
    if (!evt.eventTime || !evt.message) {
        throw ERROR_FACTORY.create("invalid cc log" /* INVALID_CC_LOG */);
    }
    // Add the new event to the queue.
    queue = queue.concat([evt]);
}
/** Log handler for cc service to send the performance logs to the server. */
function ccHandler(serializer) {
    // The underscores for loggerInstance and level parameters are added to avoid the
    // noUnusedParameters related error.
    return function (_loggerInstance, _level) {
        var args = [];
        for (var _i = 2; _i < arguments.length; _i++) {
            args[_i - 2] = arguments[_i];
        }
        var message = serializer.apply(void 0, args);
        addToQueue({
            message: message,
            eventTime: Date.now()
        });
    };
}

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var logger;
// This method is not called before initialization.
function getLogger() {
    if (logger)
        return logger;
    var ccLogger = ccHandler(serializer);
    logger = new logger$1.Logger('@firebase/performance/cc');
    logger.logHandler = ccLogger;
    return logger;
}
function logTrace(trace) {
    var settingsService = SettingsService.getInstance();
    // Do not log if trace is auto generated and instrumentation is disabled.
    if (!settingsService.instrumentationEnabled && trace.isAuto)
        return;
    // Do not log if trace is custom and data collection is disabled.
    if (!settingsService.dataCollectionEnabled && !trace.isAuto)
        return;
    // Only log the page load auto traces if page is visible.
    if (trace.isAuto && getVisibilityState() !== VisibilityState.VISIBLE)
        return;
    if (!settingsService.loggingEnabled || !settingsService.logTraceAfterSampling)
        return;
    if (isPerfInitialized()) {
        sendTraceLog(trace);
    }
    else {
        // Custom traces can be used before the initialization but logging
        // should wait until after.
        getInitializationPromise().then(function () { return sendTraceLog(trace); }, function () { return sendTraceLog(trace); });
    }
}
function sendTraceLog(trace) {
    if (getIid()) {
        setTimeout(function () { return getLogger().log(trace, 1 /* Trace */); }, 0);
    }
}
function logNetworkRequest(networkRequest) {
    var settingsService = SettingsService.getInstance();
    // Do not log network requests if instrumentation is disabled.
    if (!settingsService.instrumentationEnabled)
        return;
    // Do not log the js sdk's call to cc service to avoid unnecessary cycle.
    if (networkRequest.url === settingsService.logEndPointUrl.split('?')[0])
        return;
    if (!settingsService.loggingEnabled ||
        !settingsService.logNetworkAfterSampling)
        return;
    setTimeout(function () { return getLogger().log(networkRequest, 0 /* NetworkRequest */); }, 0);
}
function serializer(resource, resourceType) {
    if (resourceType === 0 /* NetworkRequest */) {
        return serializeNetworkRequest(resource);
    }
    return serializeTrace(resource);
}
function serializeNetworkRequest(networkRequest) {
    var networkRequestMetric = {
        url: networkRequest.url,
        http_method: 1,
        http_response_code: 200,
        response_payload_bytes: networkRequest.responsePayloadBytes,
        client_start_time_us: networkRequest.startTimeUs,
        time_to_response_initiated_us: networkRequest.timeToResponseInitiatedUs,
        time_to_response_completed_us: networkRequest.timeToResponseCompletedUs
    };
    var perfMetric = {
        application_info: getApplicationInfo(),
        network_request_metric: networkRequestMetric
    };
    return JSON.stringify(perfMetric);
}
function serializeTrace(trace) {
    var traceMetric = {
        name: trace.name,
        is_auto: trace.isAuto,
        client_start_time_us: trace.startTimeUs,
        duration_us: trace.durationUs
    };
    if (Object.keys(trace.counters).length !== 0) {
        traceMetric.counters = convertToKeyValueArray(trace.counters);
    }
    var customAttributes = trace.getAttributes();
    if (Object.keys(customAttributes).length !== 0) {
        traceMetric.custom_attributes = convertToKeyValueArray(customAttributes);
    }
    var perfMetric = {
        application_info: getApplicationInfo(),
        trace_metric: traceMetric
    };
    return JSON.stringify(perfMetric);
}
function getApplicationInfo() {
    return {
        google_app_id: SettingsService.getInstance().getAppId(),
        app_instance_id: getIid(),
        web_app_info: {
            sdk_version: SDK_VERSION,
            page_url: Api.getInstance().getUrl(),
            service_worker_status: getServiceWorkerStatus(),
            visibility_state: getVisibilityState(),
            effective_connection_type: getEffectiveConnectionType()
        },
        application_process_state: 0
    };
}
function convertToKeyValueArray(obj) {
    var keys = Object.keys(obj);
    return keys.map(function (key) { return ({ key: key, value: obj[key] }); });
}

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var Trace = /** @class */ (function () {
    /**
     * @param name The name of the trace.
     * @param isAuto If the trace is auto-instrumented.
     * @param traceMeasureName The name of the measure marker in user timing specification. This field
     * is only set when the trace is built for logging when the user directly uses the user timing
     * api (performance.mark and performance.measure).
     */
    function Trace(name, isAuto, traceMeasureName) {
        if (isAuto === void 0) { isAuto = false; }
        this.name = name;
        this.isAuto = isAuto;
        this.state = 1 /* UNINITIALIZED */;
        this.customAttributes = {};
        this.counters = {};
        this.api = Api.getInstance();
        this.randomId = Math.floor(Math.random() * 1000000);
        if (!this.isAuto) {
            this.traceStartMark = TRACE_START_MARK_PREFIX + "-" + this.randomId + "-" + this.name;
            this.traceStopMark = TRACE_STOP_MARK_PREFIX + "-" + this.randomId + "-" + this.name;
            this.traceMeasure =
                traceMeasureName ||
                    TRACE_MEASURE_PREFIX + "-" + this.randomId + "-" + this.name;
            if (traceMeasureName) {
                // For the case of direct user timing traces, no start stop will happen. The measure object
                // is already available.
                this.calculateTraceMetrics();
            }
        }
    }
    /**
     * Starts a trace. The measurement of the duration starts at this point.
     */
    Trace.prototype.start = function () {
        if (this.state !== 1 /* UNINITIALIZED */) {
            throw ERROR_FACTORY.create("trace started" /* TRACE_STARTED_BEFORE */, {
                traceName: this.name
            });
        }
        this.api.mark(this.traceStartMark);
        this.state = 2 /* RUNNING */;
    };
    /**
     * Stops the trace. The measurement of the duration of the trace stops at this point and trace
     * is logged.
     */
    Trace.prototype.stop = function () {
        if (this.state !== 2 /* RUNNING */) {
            throw ERROR_FACTORY.create("trace stopped" /* TRACE_STOPPED_BEFORE */, {
                traceName: this.name
            });
        }
        this.state = 3 /* TERMINATED */;
        this.api.mark(this.traceStopMark);
        this.api.measure(this.traceMeasure, this.traceStartMark, this.traceStopMark);
        this.calculateTraceMetrics();
        logTrace(this);
    };
    /**
     * Records a trace with predetermined values. If this method is used a trace is created and logged
     * directly. No need to use start and stop methods.
     * @param startTime Trace start time since epoch in millisec
     * @param duration The duraction of the trace in millisec
     * @param options An object which can optionally hold maps of custom metrics and custom attributes
     */
    Trace.prototype.record = function (startTime, duration, options) {
        this.durationUs = Math.floor(duration * 1000);
        this.startTimeUs = Math.floor(startTime * 1000);
        if (options && options.attributes) {
            this.customAttributes = tslib_1.__assign({}, options.attributes);
        }
        if (options && options.metrics) {
            for (var _i = 0, _a = Object.keys(options.metrics); _i < _a.length; _i++) {
                var metric = _a[_i];
                if (!isNaN(Number(options.metrics[metric]))) {
                    this.counters[metric] = Number(Math.floor(options.metrics[metric]));
                }
            }
        }
        logTrace(this);
    };
    /**
     * Increments a custom metric by a certain number or 1 if number not specified. Will create a new
     * custom metric if one with the given name does not exist.
     * @param counter Name of the custom metric
     * @param num Increment by value
     */
    Trace.prototype.incrementMetric = function (counter, num) {
        if (num === void 0) { num = 1; }
        if (this.counters[counter] === undefined) {
            this.counters[counter] = 0;
        }
        this.counters[counter] += num;
    };
    /**
     * Sets a custom metric to a specified value. Will create a new custom metric if one with the
     * given name does not exist.
     * @param counter Name of the custom metric
     * @param num Set custom metric to this value
     */
    Trace.prototype.putMetric = function (counter, num) {
        this.counters[counter] = num;
    };
    /**
     * Returns the value of the custom metric by that name. If a custom metric with that name does
     * not exist will return zero.
     * @param counter
     */
    Trace.prototype.getMetric = function (counter) {
        return this.counters[counter] || 0;
    };
    /**
     * Sets a custom attribute of a trace to a certain value.
     * @param attr
     * @param value
     */
    Trace.prototype.putAttribute = function (attr, value) {
        this.customAttributes[attr] = value;
    };
    /**
     * Retrieves the value a custom attribute of a trace is set to.
     * @param attr
     */
    Trace.prototype.getAttribute = function (attr) {
        return this.customAttributes[attr];
    };
    Trace.prototype.removeAttribute = function (attr) {
        if (this.customAttributes[attr] === undefined)
            return;
        delete this.customAttributes[attr];
    };
    Trace.prototype.getAttributes = function () {
        return tslib_1.__assign({}, this.customAttributes);
    };
    Trace.prototype.setStartTime = function (startTime) {
        this.startTimeUs = startTime;
    };
    Trace.prototype.setDuration = function (duration) {
        this.durationUs = duration;
    };
    /**
     * Calculates and assigns the duration and start time of the trace using the measure performance
     * entry.
     */
    Trace.prototype.calculateTraceMetrics = function () {
        var perfMeasureEntries = this.api.getEntriesByName(this.traceMeasure);
        var perfMeasureEntry = perfMeasureEntries && perfMeasureEntries[0];
        if (perfMeasureEntry) {
            this.durationUs = Math.floor(perfMeasureEntry.duration * 1000);
            this.startTimeUs = Math.floor((perfMeasureEntry.startTime + this.api.getTimeOrigin()) * 1000);
        }
    };
    /**
     * @param navigationTimings A single element array which contains the navigationTIming object of
     * the page load
     * @param paintTimings A array which contains paintTiming object of the page load
     * @param firstInputDelay First input delay in millisec
     */
    Trace.createOobTrace = function (navigationTimings, paintTimings, firstInputDelay) {
        var route = Api.getInstance().getUrl();
        if (!route)
            return;
        var trace = new Trace(OOB_TRACE_PAGE_LOAD_PREFIX + route, true);
        var timeOriginUs = Math.floor(Api.getInstance().getTimeOrigin() * 1000);
        trace.setStartTime(timeOriginUs);
        // navigationTimings includes only one element.
        if (navigationTimings && navigationTimings[0]) {
            trace.setDuration(Math.floor(navigationTimings[0].duration * 1000));
            trace.incrementMetric('domInteractive', Math.floor(navigationTimings[0].domInteractive * 1000));
            trace.incrementMetric('domContentLoadedEventEnd', Math.floor(navigationTimings[0].domContentLoadedEventEnd * 1000));
            trace.incrementMetric('loadEventEnd', Math.floor(navigationTimings[0].loadEventEnd * 1000));
        }
        var FIRST_PAINT = 'first-paint';
        var FIRST_CONTENTFUL_PAINT = 'first-contentful-paint';
        if (paintTimings) {
            var firstPaint = paintTimings.find(function (paintObject) { return paintObject.name === FIRST_PAINT; });
            if (firstPaint && firstPaint.startTime) {
                trace.incrementMetric(FIRST_PAINT_COUNTER_NAME, Math.floor(firstPaint.startTime * 1000));
            }
            var firstContentfulPaint = paintTimings.find(function (paintObject) { return paintObject.name === FIRST_CONTENTFUL_PAINT; });
            if (firstContentfulPaint && firstContentfulPaint.startTime) {
                trace.incrementMetric(FIRST_CONTENTFUL_PAINT_COUNTER_NAME, Math.floor(firstContentfulPaint.startTime * 1000));
            }
            if (firstInputDelay) {
                trace.incrementMetric(FIRST_INPUT_DELAY_COUNTER_NAME, Math.floor(firstInputDelay * 1000));
            }
        }
        logTrace(trace);
    };
    Trace.createUserTimingTrace = function (measureName) {
        var trace = new Trace(measureName, false, measureName);
        logTrace(trace);
    };
    return Trace;
}());

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
function createNetworkRequestEntry(entry) {
    var performanceEntry = entry;
    if (!performanceEntry || performanceEntry.responseStart === undefined)
        return;
    var timeOrigin = Api.getInstance().getTimeOrigin();
    var startTimeUs = Math.floor((performanceEntry.startTime + timeOrigin) * 1000);
    var timeToResponseInitiatedUs = performanceEntry.responseStart
        ? Math.floor((performanceEntry.responseStart - performanceEntry.startTime) * 1000)
        : undefined;
    var timeToResponseCompletedUs = Math.floor((performanceEntry.responseEnd - performanceEntry.startTime) * 1000);
    // Remove the query params from logged network request url.
    var url = performanceEntry.name && performanceEntry.name.split('?')[0];
    var networkRequest = {
        url: url,
        responsePayloadBytes: performanceEntry.transferSize,
        startTimeUs: startTimeUs,
        timeToResponseInitiatedUs: timeToResponseInitiatedUs,
        timeToResponseCompletedUs: timeToResponseCompletedUs
    };
    logNetworkRequest(networkRequest);
}

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var FID_WAIT_TIME_MS = 5000;
function setupOobResources() {
    // Do not initialize unless iid is available.
    if (!getIid())
        return;
    // The load event might not have fired yet, and that means performance navigation timing
    // object has a duration of 0. The setup should run after all current tasks in js queue.
    setTimeout(function () { return setupOobTraces(); }, 0);
    setTimeout(function () { return setupNetworkRequests(); }, 0);
    setTimeout(function () { return setupUserTimingTraces(); }, 0);
}
function setupNetworkRequests() {
    var api = Api.getInstance();
    var resources = api.getEntriesByType('resource');
    for (var _i = 0, resources_1 = resources; _i < resources_1.length; _i++) {
        var resource = resources_1[_i];
        createNetworkRequestEntry(resource);
    }
    api.setupObserver('resource', createNetworkRequestEntry);
}
function setupOobTraces() {
    var api = Api.getInstance();
    var navigationTimings = api.getEntriesByType('navigation');
    var paintTimings = api.getEntriesByType('paint');
    // If First Input Desly polyfill is added to the page, report the fid value.
    // https://github.com/GoogleChromeLabs/first-input-delay
    if (api.onFirstInputDelay) {
        // If the fid call back is not called for certain time, continue without it.
        var timeoutId_1 = setTimeout(function () {
            Trace.createOobTrace(navigationTimings, paintTimings);
            timeoutId_1 = undefined;
        }, FID_WAIT_TIME_MS);
        api.onFirstInputDelay(function (fid) {
            if (timeoutId_1) {
                clearTimeout(timeoutId_1);
                Trace.createOobTrace(navigationTimings, paintTimings, fid);
            }
        });
    }
    else {
        Trace.createOobTrace(navigationTimings, paintTimings);
    }
}
function setupUserTimingTraces() {
    var api = Api.getInstance();
    // Run through the measure performance entries collected up to this point.
    var measures = api.getEntriesByType('measure');
    for (var _i = 0, measures_1 = measures; _i < measures_1.length; _i++) {
        var measure = measures_1[_i];
        createUserTimingTrace(measure);
    }
    // Setup an observer to capture the measures from this point on.
    api.setupObserver('measure', createUserTimingTrace);
}
function createUserTimingTrace(measure) {
    var measureName = measure.name;
    // Do not create a trace, if the user timing marks and measures are created by the sdk itself.
    if (measureName.substring(0, TRACE_MEASURE_PREFIX.length) ===
        TRACE_MEASURE_PREFIX)
        return;
    Trace.createUserTimingTrace(measureName);
}

/**
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var PerformanceController = /** @class */ (function () {
    function PerformanceController(app) {
        this.app = app;
        getInitializationPromise().then(setupOobResources, setupOobResources);
    }
    PerformanceController.prototype.trace = function (name) {
        return new Trace(name);
    };
    Object.defineProperty(PerformanceController.prototype, "instrumentationEnabled", {
        get: function () {
            return SettingsService.getInstance().instrumentationEnabled;
        },
        set: function (val) {
            SettingsService.getInstance().instrumentationEnabled = val;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(PerformanceController.prototype, "dataCollectionEnabled", {
        get: function () {
            return SettingsService.getInstance().dataCollectionEnabled;
        },
        set: function (val) {
            SettingsService.getInstance().dataCollectionEnabled = val;
        },
        enumerable: true,
        configurable: true
    });
    return PerformanceController;
}());

/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var DEFAULT_ENTRY_NAME = '[DEFAULT]';
function registerPerformance(instance) {
    var factoryMethod = function (app) {
        if (app.name !== DEFAULT_ENTRY_NAME) {
            throw ERROR_FACTORY.create("FB not default" /* FB_NOT_DEFAULT */);
        }
        SettingsService.getInstance().firebaseAppInstance = app;
        return new PerformanceController(app);
    };
    // Register performance with firebase-app.
    var namespaceExports = {};
    instance.INTERNAL.registerService('performance', factoryMethod, namespaceExports);
}
if (window && fetch && Promise) {
    setupApi(window);
    registerPerformance(firebase);
}
else {
    consoleLogger.info('Firebase Performance cannot start if browser does not support fetch and Promise.');
}

exports.registerPerformance = registerPerformance;
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