import { getApp, _getProvider, _registerComponent, registerVersion, SDK_VERSION } from '@firebase/app';
import { __extends, __spreadArray, __awaiter, __generator, __assign } from 'tslib';
import { FirebaseError, createMockUserToken, getModularInstance } from '@firebase/util';
import { Component } from '@firebase/component';

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * Error codes for requests made by the the XhrIo wrapper.
 */
var ErrorCode;
(function (ErrorCode) {
    ErrorCode[ErrorCode["NO_ERROR"] = 0] = "NO_ERROR";
    ErrorCode[ErrorCode["NETWORK_ERROR"] = 1] = "NETWORK_ERROR";
    ErrorCode[ErrorCode["ABORT"] = 2] = "ABORT";
})(ErrorCode || (ErrorCode = {}));

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * @fileoverview Constants used in the Firebase Storage library.
 */
/**
 * Domain name for firebase storage.
 */
var DEFAULT_HOST = 'firebasestorage.googleapis.com';
/**
 * The key in Firebase config json for the storage bucket.
 */
var CONFIG_STORAGE_BUCKET_KEY = 'storageBucket';
/**
 * 2 minutes
 *
 * The timeout for all operations except upload.
 */
var DEFAULT_MAX_OPERATION_RETRY_TIME = 2 * 60 * 1000;
/**
 * 10 minutes
 *
 * The timeout for upload.
 */
var DEFAULT_MAX_UPLOAD_RETRY_TIME = 10 * 60 * 1000;

/**
 * An error returned by the Firebase Storage SDK.
 * @public
 */
var StorageError = /** @class */ (function (_super) {
    __extends(StorageError, _super);
    /**
     * @param code - A StorageErrorCode string to be prefixed with 'storage/' and
     *  added to the end of the message.
     * @param message  - Error message.
     */
    function StorageError(code, message) {
        var _this = _super.call(this, prependCode(code), "Firebase Storage: " + message + " (" + prependCode(code) + ")") || this;
        /**
         * Stores custom error data unque to StorageError.
         */
        _this.customData = { serverResponse: null };
        _this._baseMessage = _this.message;
        // Without this, `instanceof StorageError`, in tests for example,
        // returns false.
        Object.setPrototypeOf(_this, StorageError.prototype);
        return _this;
    }
    /**
     * Compares a StorageErrorCode against this error's code, filtering out the prefix.
     */
    StorageError.prototype._codeEquals = function (code) {
        return prependCode(code) === this.code;
    };
    Object.defineProperty(StorageError.prototype, "serverResponse", {
        /**
         * Optional response message that was added by the server.
         */
        get: function () {
            return this.customData.serverResponse;
        },
        set: function (serverResponse) {
            this.customData.serverResponse = serverResponse;
            if (this.customData.serverResponse) {
                this.message = this._baseMessage + "\n" + this.customData.serverResponse;
            }
            else {
                this.message = this._baseMessage;
            }
        },
        enumerable: false,
        configurable: true
    });
    return StorageError;
}(FirebaseError));
function prependCode(code) {
    return 'storage/' + code;
}
function unknown() {
    var message = 'An unknown error occurred, please check the error payload for ' +
        'server response.';
    return new StorageError("unknown" /* UNKNOWN */, message);
}
function objectNotFound(path) {
    return new StorageError("object-not-found" /* OBJECT_NOT_FOUND */, "Object '" + path + "' does not exist.");
}
function quotaExceeded(bucket) {
    return new StorageError("quota-exceeded" /* QUOTA_EXCEEDED */, "Quota for bucket '" +
        bucket +
        "' exceeded, please view quota on " +
        'https://firebase.google.com/pricing/.');
}
function unauthenticated() {
    var message = 'User is not authenticated, please authenticate using Firebase ' +
        'Authentication and try again.';
    return new StorageError("unauthenticated" /* UNAUTHENTICATED */, message);
}
function unauthorizedApp() {
    return new StorageError("unauthorized-app" /* UNAUTHORIZED_APP */, 'This app does not have permission to access Firebase Storage on this project.');
}
function unauthorized(path) {
    return new StorageError("unauthorized" /* UNAUTHORIZED */, "User does not have permission to access '" + path + "'.");
}
function retryLimitExceeded() {
    return new StorageError("retry-limit-exceeded" /* RETRY_LIMIT_EXCEEDED */, 'Max retry time for operation exceeded, please try again.');
}
function canceled() {
    return new StorageError("canceled" /* CANCELED */, 'User canceled the upload/download.');
}
function invalidUrl(url) {
    return new StorageError("invalid-url" /* INVALID_URL */, "Invalid URL '" + url + "'.");
}
function invalidDefaultBucket(bucket) {
    return new StorageError("invalid-default-bucket" /* INVALID_DEFAULT_BUCKET */, "Invalid default bucket '" + bucket + "'.");
}
function noDefaultBucket() {
    return new StorageError("no-default-bucket" /* NO_DEFAULT_BUCKET */, 'No default bucket ' +
        "found. Did you set the '" +
        CONFIG_STORAGE_BUCKET_KEY +
        "' property when initializing the app?");
}
function cannotSliceBlob() {
    return new StorageError("cannot-slice-blob" /* CANNOT_SLICE_BLOB */, 'Cannot slice blob for upload. Please retry the upload.');
}
function serverFileWrongSize() {
    return new StorageError("server-file-wrong-size" /* SERVER_FILE_WRONG_SIZE */, 'Server recorded incorrect upload file size, please retry the upload.');
}
function noDownloadURL() {
    return new StorageError("no-download-url" /* NO_DOWNLOAD_URL */, 'The given file does not have any download URLs.');
}
/**
 * @internal
 */
function invalidArgument(message) {
    return new StorageError("invalid-argument" /* INVALID_ARGUMENT */, message);
}
function appDeleted() {
    return new StorageError("app-deleted" /* APP_DELETED */, 'The Firebase app was deleted.');
}
/**
 * @param name - The name of the operation that was invalid.
 *
 * @internal
 */
function invalidRootOperation(name) {
    return new StorageError("invalid-root-operation" /* INVALID_ROOT_OPERATION */, "The operation '" +
        name +
        "' cannot be performed on a root reference, create a non-root " +
        "reference using child, such as .child('file.png').");
}
/**
 * @param format - The format that was not valid.
 * @param message - A message describing the format violation.
 */
function invalidFormat(format, message) {
    return new StorageError("invalid-format" /* INVALID_FORMAT */, "String does not match format '" + format + "': " + message);
}
/**
 * @param message - A message describing the internal error.
 */
function internalError(message) {
    throw new StorageError("internal-error" /* INTERNAL_ERROR */, 'Internal error: ' + message);
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * Network layer for browsers. We use this instead of goog.net.XhrIo because
 * goog.net.XhrIo is hyuuuuge and doesn't work in React Native on Android.
 */
var XhrConnection = /** @class */ (function () {
    function XhrConnection() {
        var _this = this;
        this.sent_ = false;
        this.xhr_ = new XMLHttpRequest();
        this.errorCode_ = ErrorCode.NO_ERROR;
        this.sendPromise_ = new Promise(function (resolve) {
            _this.xhr_.addEventListener('abort', function () {
                _this.errorCode_ = ErrorCode.ABORT;
                resolve();
            });
            _this.xhr_.addEventListener('error', function () {
                _this.errorCode_ = ErrorCode.NETWORK_ERROR;
                resolve();
            });
            _this.xhr_.addEventListener('load', function () {
                resolve();
            });
        });
    }
    XhrConnection.prototype.send = function (url, method, body, headers) {
        if (this.sent_) {
            throw internalError('cannot .send() more than once');
        }
        this.sent_ = true;
        this.xhr_.open(method, url, true);
        if (headers !== undefined) {
            for (var key in headers) {
                if (headers.hasOwnProperty(key)) {
                    this.xhr_.setRequestHeader(key, headers[key].toString());
                }
            }
        }
        if (body !== undefined) {
            this.xhr_.send(body);
        }
        else {
            this.xhr_.send();
        }
        return this.sendPromise_;
    };
    XhrConnection.prototype.getErrorCode = function () {
        if (!this.sent_) {
            throw internalError('cannot .getErrorCode() before sending');
        }
        return this.errorCode_;
    };
    XhrConnection.prototype.getStatus = function () {
        if (!this.sent_) {
            throw internalError('cannot .getStatus() before sending');
        }
        try {
            return this.xhr_.status;
        }
        catch (e) {
            return -1;
        }
    };
    XhrConnection.prototype.getResponseText = function () {
        if (!this.sent_) {
            throw internalError('cannot .getResponseText() before sending');
        }
        return this.xhr_.responseText;
    };
    /** Aborts the request. */
    XhrConnection.prototype.abort = function () {
        this.xhr_.abort();
    };
    XhrConnection.prototype.getResponseHeader = function (header) {
        return this.xhr_.getResponseHeader(header);
    };
    XhrConnection.prototype.addUploadProgressListener = function (listener) {
        if (this.xhr_.upload != null) {
            this.xhr_.upload.addEventListener('progress', listener);
        }
    };
    XhrConnection.prototype.removeUploadProgressListener = function (listener) {
        if (this.xhr_.upload != null) {
            this.xhr_.upload.removeEventListener('progress', listener);
        }
    };
    return XhrConnection;
}());
function newConnection() {
    return new XhrConnection();
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * Factory-like class for creating XhrIo instances.
 */
var ConnectionPool = /** @class */ (function () {
    function ConnectionPool() {
    }
    ConnectionPool.prototype.createConnection = function () {
        return newConnection();
    };
    return ConnectionPool;
}());

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * Firebase Storage location data.
 *
 * @internal
 */
var Location = /** @class */ (function () {
    function Location(bucket, path) {
        this.bucket = bucket;
        this.path_ = path;
    }
    Object.defineProperty(Location.prototype, "path", {
        get: function () {
            return this.path_;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Location.prototype, "isRoot", {
        get: function () {
            return this.path.length === 0;
        },
        enumerable: false,
        configurable: true
    });
    Location.prototype.fullServerUrl = function () {
        var encode = encodeURIComponent;
        return '/b/' + encode(this.bucket) + '/o/' + encode(this.path);
    };
    Location.prototype.bucketOnlyServerUrl = function () {
        var encode = encodeURIComponent;
        return '/b/' + encode(this.bucket) + '/o';
    };
    Location.makeFromBucketSpec = function (bucketString, host) {
        var bucketLocation;
        try {
            bucketLocation = Location.makeFromUrl(bucketString, host);
        }
        catch (e) {
            // Not valid URL, use as-is. This lets you put bare bucket names in
            // config.
            return new Location(bucketString, '');
        }
        if (bucketLocation.path === '') {
            return bucketLocation;
        }
        else {
            throw invalidDefaultBucket(bucketString);
        }
    };
    Location.makeFromUrl = function (url, host) {
        var location = null;
        var bucketDomain = '([A-Za-z0-9.\\-_]+)';
        function gsModify(loc) {
            if (loc.path.charAt(loc.path.length - 1) === '/') {
                loc.path_ = loc.path_.slice(0, -1);
            }
        }
        var gsPath = '(/(.*))?$';
        var gsRegex = new RegExp('^gs://' + bucketDomain + gsPath, 'i');
        var gsIndices = { bucket: 1, path: 3 };
        function httpModify(loc) {
            loc.path_ = decodeURIComponent(loc.path);
        }
        var version = 'v[A-Za-z0-9_]+';
        var firebaseStorageHost = host.replace(/[.]/g, '\\.');
        var firebaseStoragePath = '(/([^?#]*).*)?$';
        var firebaseStorageRegExp = new RegExp("^https?://" + firebaseStorageHost + "/" + version + "/b/" + bucketDomain + "/o" + firebaseStoragePath, 'i');
        var firebaseStorageIndices = { bucket: 1, path: 3 };
        var cloudStorageHost = host === DEFAULT_HOST
            ? '(?:storage.googleapis.com|storage.cloud.google.com)'
            : host;
        var cloudStoragePath = '([^?#]*)';
        var cloudStorageRegExp = new RegExp("^https?://" + cloudStorageHost + "/" + bucketDomain + "/" + cloudStoragePath, 'i');
        var cloudStorageIndices = { bucket: 1, path: 2 };
        var groups = [
            { regex: gsRegex, indices: gsIndices, postModify: gsModify },
            {
                regex: firebaseStorageRegExp,
                indices: firebaseStorageIndices,
                postModify: httpModify
            },
            {
                regex: cloudStorageRegExp,
                indices: cloudStorageIndices,
                postModify: httpModify
            }
        ];
        for (var i = 0; i < groups.length; i++) {
            var group = groups[i];
            var captures = group.regex.exec(url);
            if (captures) {
                var bucketValue = captures[group.indices.bucket];
                var pathValue = captures[group.indices.path];
                if (!pathValue) {
                    pathValue = '';
                }
                location = new Location(bucketValue, pathValue);
                group.postModify(location);
                break;
            }
        }
        if (location == null) {
            throw invalidUrl(url);
        }
        return location;
    };
    return Location;
}());

/**
 * A request whose promise always fails.
 */
var FailRequest = /** @class */ (function () {
    function FailRequest(error) {
        this.promise_ = Promise.reject(error);
    }
    /** @inheritDoc */
    FailRequest.prototype.getPromise = function () {
        return this.promise_;
    };
    /** @inheritDoc */
    FailRequest.prototype.cancel = function (_appDelete) {
    };
    return FailRequest;
}());

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * @param f May be invoked
 *     before the function returns.
 * @param callback Get all the arguments passed to the function
 *     passed to f, including the initial boolean.
 */
function start(f, 
// eslint-disable-next-line @typescript-eslint/no-explicit-any
callback, timeout) {
    // TODO(andysoto): make this code cleaner (probably refactor into an actual
    // type instead of a bunch of functions with state shared in the closure)
    var waitSeconds = 1;
    // Would type this as "number" but that doesn't work for Node so ¯\_(ツ)_/¯
    // TODO: find a way to exclude Node type definition for storage because storage only works in browser
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    var timeoutId = null;
    var hitTimeout = false;
    var cancelState = 0;
    function canceled() {
        return cancelState === 2;
    }
    var triggeredCallback = false;
    function triggerCallback() {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        if (!triggeredCallback) {
            triggeredCallback = true;
            callback.apply(null, args);
        }
    }
    function callWithDelay(millis) {
        timeoutId = setTimeout(function () {
            timeoutId = null;
            f(handler, canceled());
        }, millis);
    }
    function handler(success) {
        var args = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            args[_i - 1] = arguments[_i];
        }
        if (triggeredCallback) {
            return;
        }
        if (success) {
            triggerCallback.call.apply(triggerCallback, __spreadArray([null, success], args));
            return;
        }
        var mustStop = canceled() || hitTimeout;
        if (mustStop) {
            triggerCallback.call.apply(triggerCallback, __spreadArray([null, success], args));
            return;
        }
        if (waitSeconds < 64) {
            /* TODO(andysoto): don't back off so quickly if we know we're offline. */
            waitSeconds *= 2;
        }
        var waitMillis;
        if (cancelState === 1) {
            cancelState = 2;
            waitMillis = 0;
        }
        else {
            waitMillis = (waitSeconds + Math.random()) * 1000;
        }
        callWithDelay(waitMillis);
    }
    var stopped = false;
    function stop(wasTimeout) {
        if (stopped) {
            return;
        }
        stopped = true;
        if (triggeredCallback) {
            return;
        }
        if (timeoutId !== null) {
            if (!wasTimeout) {
                cancelState = 2;
            }
            clearTimeout(timeoutId);
            callWithDelay(0);
        }
        else {
            if (!wasTimeout) {
                cancelState = 1;
            }
        }
    }
    callWithDelay(0);
    setTimeout(function () {
        hitTimeout = true;
        stop(true);
    }, timeout);
    return stop;
}
/**
 * Stops the retry loop from repeating.
 * If the function is currently "in between" retries, it is invoked immediately
 * with the second parameter as "true". Otherwise, it will be invoked once more
 * after the current invocation finishes iff the current invocation would have
 * triggered another retry.
 */
function stop(id) {
    id(false);
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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 isJustDef(p) {
    return p !== void 0;
}
// eslint-disable-next-line @typescript-eslint/ban-types
function isFunction(p) {
    return typeof p === 'function';
}
function isNonArrayObject(p) {
    return typeof p === 'object' && !Array.isArray(p);
}
function isString(p) {
    return typeof p === 'string' || p instanceof String;
}
function isNativeBlob(p) {
    return isNativeBlobDefined() && p instanceof Blob;
}
function isNativeBlobDefined() {
    return typeof Blob !== 'undefined';
}
function validateNumber(argument, minValue, maxValue, value) {
    if (value < minValue) {
        throw invalidArgument("Invalid value for '" + argument + "'. Expected " + minValue + " or greater.");
    }
    if (value > maxValue) {
        throw invalidArgument("Invalid value for '" + argument + "'. Expected " + maxValue + " or less.");
    }
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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 makeUrl(urlPart, host, protocol) {
    var origin = host;
    if (protocol == null) {
        origin = "https://" + host;
    }
    return protocol + "://" + origin + "/v0" + urlPart;
}
function makeQueryString(params) {
    var encode = encodeURIComponent;
    var queryPart = '?';
    for (var key in params) {
        if (params.hasOwnProperty(key)) {
            var nextPart = encode(key) + '=' + encode(params[key]);
            queryPart = queryPart + nextPart + '&';
        }
    }
    // Chop off the extra '&' or '?' on the end
    queryPart = queryPart.slice(0, -1);
    return queryPart;
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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 NetworkRequest = /** @class */ (function () {
    function NetworkRequest(url_, method_, headers_, body_, successCodes_, additionalRetryCodes_, callback_, errorCallback_, timeout_, progressCallback_, pool_) {
        var _this = this;
        this.url_ = url_;
        this.method_ = method_;
        this.headers_ = headers_;
        this.body_ = body_;
        this.successCodes_ = successCodes_;
        this.additionalRetryCodes_ = additionalRetryCodes_;
        this.callback_ = callback_;
        this.errorCallback_ = errorCallback_;
        this.timeout_ = timeout_;
        this.progressCallback_ = progressCallback_;
        this.pool_ = pool_;
        this.pendingConnection_ = null;
        this.backoffId_ = null;
        this.canceled_ = false;
        this.appDelete_ = false;
        this.promise_ = new Promise(function (resolve, reject) {
            _this.resolve_ = resolve;
            _this.reject_ = reject;
            _this.start_();
        });
    }
    /**
     * Actually starts the retry loop.
     */
    NetworkRequest.prototype.start_ = function () {
        var _this = this;
        var doTheRequest = function (backoffCallback, canceled) {
            if (canceled) {
                backoffCallback(false, new RequestEndStatus(false, null, true));
                return;
            }
            var connection = _this.pool_.createConnection();
            _this.pendingConnection_ = connection;
            var progressListener = function (progressEvent) {
                var loaded = progressEvent.loaded;
                var total = progressEvent.lengthComputable
                    ? progressEvent.total
                    : -1;
                if (_this.progressCallback_ !== null) {
                    _this.progressCallback_(loaded, total);
                }
            };
            if (_this.progressCallback_ !== null) {
                connection.addUploadProgressListener(progressListener);
            }
            // connection.send() never rejects, so we don't need to have a error handler or use catch on the returned promise.
            // eslint-disable-next-line @typescript-eslint/no-floating-promises
            connection
                .send(_this.url_, _this.method_, _this.body_, _this.headers_)
                .then(function () {
                if (_this.progressCallback_ !== null) {
                    connection.removeUploadProgressListener(progressListener);
                }
                _this.pendingConnection_ = null;
                var hitServer = connection.getErrorCode() === ErrorCode.NO_ERROR;
                var status = connection.getStatus();
                if (!hitServer || _this.isRetryStatusCode_(status)) {
                    var wasCanceled = connection.getErrorCode() === ErrorCode.ABORT;
                    backoffCallback(false, new RequestEndStatus(false, null, wasCanceled));
                    return;
                }
                var successCode = _this.successCodes_.indexOf(status) !== -1;
                backoffCallback(true, new RequestEndStatus(successCode, connection));
            });
        };
        /**
         * @param requestWentThrough - True if the request eventually went
         *     through, false if it hit the retry limit or was canceled.
         */
        var backoffDone = function (requestWentThrough, status) {
            var resolve = _this.resolve_;
            var reject = _this.reject_;
            var connection = status.connection;
            if (status.wasSuccessCode) {
                try {
                    var result = _this.callback_(connection, connection.getResponseText());
                    if (isJustDef(result)) {
                        resolve(result);
                    }
                    else {
                        resolve();
                    }
                }
                catch (e) {
                    reject(e);
                }
            }
            else {
                if (connection !== null) {
                    var err = unknown();
                    err.serverResponse = connection.getResponseText();
                    if (_this.errorCallback_) {
                        reject(_this.errorCallback_(connection, err));
                    }
                    else {
                        reject(err);
                    }
                }
                else {
                    if (status.canceled) {
                        var err = _this.appDelete_ ? appDeleted() : canceled();
                        reject(err);
                    }
                    else {
                        var err = retryLimitExceeded();
                        reject(err);
                    }
                }
            }
        };
        if (this.canceled_) {
            backoffDone(false, new RequestEndStatus(false, null, true));
        }
        else {
            this.backoffId_ = start(doTheRequest, backoffDone, this.timeout_);
        }
    };
    /** @inheritDoc */
    NetworkRequest.prototype.getPromise = function () {
        return this.promise_;
    };
    /** @inheritDoc */
    NetworkRequest.prototype.cancel = function (appDelete) {
        this.canceled_ = true;
        this.appDelete_ = appDelete || false;
        if (this.backoffId_ !== null) {
            stop(this.backoffId_);
        }
        if (this.pendingConnection_ !== null) {
            this.pendingConnection_.abort();
        }
    };
    NetworkRequest.prototype.isRetryStatusCode_ = function (status) {
        // The codes for which to retry came from this page:
        // https://cloud.google.com/storage/docs/exponential-backoff
        var isFiveHundredCode = status >= 500 && status < 600;
        var extraRetryCodes = [
            // Request Timeout: web server didn't receive full request in time.
            408,
            // Too Many Requests: you're getting rate-limited, basically.
            429
        ];
        var isExtraRetryCode = extraRetryCodes.indexOf(status) !== -1;
        var isRequestSpecificRetryCode = this.additionalRetryCodes_.indexOf(status) !== -1;
        return isFiveHundredCode || isExtraRetryCode || isRequestSpecificRetryCode;
    };
    return NetworkRequest;
}());
/**
 * A collection of information about the result of a network request.
 * @param opt_canceled - Defaults to false.
 */
var RequestEndStatus = /** @class */ (function () {
    function RequestEndStatus(wasSuccessCode, connection, canceled) {
        this.wasSuccessCode = wasSuccessCode;
        this.connection = connection;
        this.canceled = !!canceled;
    }
    return RequestEndStatus;
}());
function addAuthHeader_(headers, authToken) {
    if (authToken !== null && authToken.length > 0) {
        headers['Authorization'] = 'Firebase ' + authToken;
    }
}
function addVersionHeader_(headers, firebaseVersion) {
    headers['X-Firebase-Storage-Version'] =
        'webjs/' + (firebaseVersion !== null && firebaseVersion !== void 0 ? firebaseVersion : 'AppManager');
}
function addGmpidHeader_(headers, appId) {
    if (appId) {
        headers['X-Firebase-GMPID'] = appId;
    }
}
function addAppCheckHeader_(headers, appCheckToken) {
    if (appCheckToken !== null) {
        headers['X-Firebase-AppCheck'] = appCheckToken;
    }
}
function makeRequest(requestInfo, appId, authToken, appCheckToken, pool, firebaseVersion) {
    var queryPart = makeQueryString(requestInfo.urlParams);
    var url = requestInfo.url + queryPart;
    var headers = Object.assign({}, requestInfo.headers);
    addGmpidHeader_(headers, appId);
    addAuthHeader_(headers, authToken);
    addVersionHeader_(headers, firebaseVersion);
    addAppCheckHeader_(headers, appCheckToken);
    return new NetworkRequest(url, requestInfo.method, headers, requestInfo.body, requestInfo.successCodes, requestInfo.additionalRetryCodes, requestInfo.handler, requestInfo.errorHandler, requestInfo.timeout, requestInfo.progressCallback, pool);
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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 getBlobBuilder() {
    if (typeof BlobBuilder !== 'undefined') {
        return BlobBuilder;
    }
    else if (typeof WebKitBlobBuilder !== 'undefined') {
        return WebKitBlobBuilder;
    }
    else {
        return undefined;
    }
}
/**
 * Concatenates one or more values together and converts them to a Blob.
 *
 * @param args The values that will make up the resulting blob.
 * @return The blob.
 */
function getBlob() {
    var args = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        args[_i] = arguments[_i];
    }
    var BlobBuilder = getBlobBuilder();
    if (BlobBuilder !== undefined) {
        var bb = new BlobBuilder();
        for (var i = 0; i < args.length; i++) {
            bb.append(args[i]);
        }
        return bb.getBlob();
    }
    else {
        if (isNativeBlobDefined()) {
            return new Blob(args);
        }
        else {
            throw new StorageError("unsupported-environment" /* UNSUPPORTED_ENVIRONMENT */, "This browser doesn't seem to support creating Blobs");
        }
    }
}
/**
 * Slices the blob. The returned blob contains data from the start byte
 * (inclusive) till the end byte (exclusive). Negative indices cannot be used.
 *
 * @param blob The blob to be sliced.
 * @param start Index of the starting byte.
 * @param end Index of the ending byte.
 * @return The blob slice or null if not supported.
 */
function sliceBlob(blob, start, end) {
    if (blob.webkitSlice) {
        return blob.webkitSlice(start, end);
    }
    else if (blob.mozSlice) {
        return blob.mozSlice(start, end);
    }
    else if (blob.slice) {
        return blob.slice(start, end);
    }
    return null;
}

/**
 * @license
 * Copyright 2021 Google LLC
 *
 * 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.
 */
/** Converts a Base64 encoded string to a binary string. */
function decodeBase64(encoded) {
    return atob(encoded);
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * An enumeration of the possible string formats for upload.
 * @public
 */
var StringFormat = {
    /**
     * Indicates the string should be interpreted "raw", that is, as normal text.
     * The string will be interpreted as UTF-16, then uploaded as a UTF-8 byte
     * sequence.
     * Example: The string 'Hello! \\ud83d\\ude0a' becomes the byte sequence
     * 48 65 6c 6c 6f 21 20 f0 9f 98 8a
     */
    RAW: 'raw',
    /**
     * Indicates the string should be interpreted as base64-encoded data.
     * Padding characters (trailing '='s) are optional.
     * Example: The string 'rWmO++E6t7/rlw==' becomes the byte sequence
     * ad 69 8e fb e1 3a b7 bf eb 97
     */
    BASE64: 'base64',
    /**
     * Indicates the string should be interpreted as base64url-encoded data.
     * Padding characters (trailing '='s) are optional.
     * Example: The string 'rWmO--E6t7_rlw==' becomes the byte sequence
     * ad 69 8e fb e1 3a b7 bf eb 97
     */
    BASE64URL: 'base64url',
    /**
     * Indicates the string is a data URL, such as one obtained from
     * canvas.toDataURL().
     * Example: the string 'data:application/octet-stream;base64,aaaa'
     * becomes the byte sequence
     * 69 a6 9a
     * (the content-type "application/octet-stream" is also applied, but can
     * be overridden in the metadata object).
     */
    DATA_URL: 'data_url'
};
var StringData = /** @class */ (function () {
    function StringData(data, contentType) {
        this.data = data;
        this.contentType = contentType || null;
    }
    return StringData;
}());
/**
 * @internal
 */
function dataFromString(format, stringData) {
    switch (format) {
        case StringFormat.RAW:
            return new StringData(utf8Bytes_(stringData));
        case StringFormat.BASE64:
        case StringFormat.BASE64URL:
            return new StringData(base64Bytes_(format, stringData));
        case StringFormat.DATA_URL:
            return new StringData(dataURLBytes_(stringData), dataURLContentType_(stringData));
        // do nothing
    }
    // assert(false);
    throw unknown();
}
function utf8Bytes_(value) {
    var b = [];
    for (var i = 0; i < value.length; i++) {
        var c = value.charCodeAt(i);
        if (c <= 127) {
            b.push(c);
        }
        else {
            if (c <= 2047) {
                b.push(192 | (c >> 6), 128 | (c & 63));
            }
            else {
                if ((c & 64512) === 55296) {
                    // The start of a surrogate pair.
                    var valid = i < value.length - 1 && (value.charCodeAt(i + 1) & 64512) === 56320;
                    if (!valid) {
                        // The second surrogate wasn't there.
                        b.push(239, 191, 189);
                    }
                    else {
                        var hi = c;
                        var lo = value.charCodeAt(++i);
                        c = 65536 | ((hi & 1023) << 10) | (lo & 1023);
                        b.push(240 | (c >> 18), 128 | ((c >> 12) & 63), 128 | ((c >> 6) & 63), 128 | (c & 63));
                    }
                }
                else {
                    if ((c & 64512) === 56320) {
                        // Invalid low surrogate.
                        b.push(239, 191, 189);
                    }
                    else {
                        b.push(224 | (c >> 12), 128 | ((c >> 6) & 63), 128 | (c & 63));
                    }
                }
            }
        }
    }
    return new Uint8Array(b);
}
function percentEncodedBytes_(value) {
    var decoded;
    try {
        decoded = decodeURIComponent(value);
    }
    catch (e) {
        throw invalidFormat(StringFormat.DATA_URL, 'Malformed data URL.');
    }
    return utf8Bytes_(decoded);
}
function base64Bytes_(format, value) {
    switch (format) {
        case StringFormat.BASE64: {
            var hasMinus = value.indexOf('-') !== -1;
            var hasUnder = value.indexOf('_') !== -1;
            if (hasMinus || hasUnder) {
                var invalidChar = hasMinus ? '-' : '_';
                throw invalidFormat(format, "Invalid character '" +
                    invalidChar +
                    "' found: is it base64url encoded?");
            }
            break;
        }
        case StringFormat.BASE64URL: {
            var hasPlus = value.indexOf('+') !== -1;
            var hasSlash = value.indexOf('/') !== -1;
            if (hasPlus || hasSlash) {
                var invalidChar = hasPlus ? '+' : '/';
                throw invalidFormat(format, "Invalid character '" + invalidChar + "' found: is it base64 encoded?");
            }
            value = value.replace(/-/g, '+').replace(/_/g, '/');
            break;
        }
        // do nothing
    }
    var bytes;
    try {
        bytes = decodeBase64(value);
    }
    catch (e) {
        throw invalidFormat(format, 'Invalid character found');
    }
    var array = new Uint8Array(bytes.length);
    for (var i = 0; i < bytes.length; i++) {
        array[i] = bytes.charCodeAt(i);
    }
    return array;
}
var DataURLParts = /** @class */ (function () {
    function DataURLParts(dataURL) {
        this.base64 = false;
        this.contentType = null;
        var matches = dataURL.match(/^data:([^,]+)?,/);
        if (matches === null) {
            throw invalidFormat(StringFormat.DATA_URL, "Must be formatted 'data:[<mediatype>][;base64],<data>");
        }
        var middle = matches[1] || null;
        if (middle != null) {
            this.base64 = endsWith(middle, ';base64');
            this.contentType = this.base64
                ? middle.substring(0, middle.length - ';base64'.length)
                : middle;
        }
        this.rest = dataURL.substring(dataURL.indexOf(',') + 1);
    }
    return DataURLParts;
}());
function dataURLBytes_(dataUrl) {
    var parts = new DataURLParts(dataUrl);
    if (parts.base64) {
        return base64Bytes_(StringFormat.BASE64, parts.rest);
    }
    else {
        return percentEncodedBytes_(parts.rest);
    }
}
function dataURLContentType_(dataUrl) {
    var parts = new DataURLParts(dataUrl);
    return parts.contentType;
}
function endsWith(s, end) {
    var longEnough = s.length >= end.length;
    if (!longEnough) {
        return false;
    }
    return s.substring(s.length - end.length) === end;
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * @param opt_elideCopy - If true, doesn't copy mutable input data
 *     (e.g. Uint8Arrays). Pass true only if you know the objects will not be
 *     modified after this blob's construction.
 *
 * @internal
 */
var FbsBlob = /** @class */ (function () {
    function FbsBlob(data, elideCopy) {
        var size = 0;
        var blobType = '';
        if (isNativeBlob(data)) {
            this.data_ = data;
            size = data.size;
            blobType = data.type;
        }
        else if (data instanceof ArrayBuffer) {
            if (elideCopy) {
                this.data_ = new Uint8Array(data);
            }
            else {
                this.data_ = new Uint8Array(data.byteLength);
                this.data_.set(new Uint8Array(data));
            }
            size = this.data_.length;
        }
        else if (data instanceof Uint8Array) {
            if (elideCopy) {
                this.data_ = data;
            }
            else {
                this.data_ = new Uint8Array(data.length);
                this.data_.set(data);
            }
            size = data.length;
        }
        this.size_ = size;
        this.type_ = blobType;
    }
    FbsBlob.prototype.size = function () {
        return this.size_;
    };
    FbsBlob.prototype.type = function () {
        return this.type_;
    };
    FbsBlob.prototype.slice = function (startByte, endByte) {
        if (isNativeBlob(this.data_)) {
            var realBlob = this.data_;
            var sliced = sliceBlob(realBlob, startByte, endByte);
            if (sliced === null) {
                return null;
            }
            return new FbsBlob(sliced);
        }
        else {
            var slice = new Uint8Array(this.data_.buffer, startByte, endByte - startByte);
            return new FbsBlob(slice, true);
        }
    };
    FbsBlob.getBlob = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        if (isNativeBlobDefined()) {
            var blobby = args.map(function (val) {
                if (val instanceof FbsBlob) {
                    return val.data_;
                }
                else {
                    return val;
                }
            });
            return new FbsBlob(getBlob.apply(null, blobby));
        }
        else {
            var uint8Arrays = args.map(function (val) {
                if (isString(val)) {
                    return dataFromString(StringFormat.RAW, val).data;
                }
                else {
                    // Blobs don't exist, so this has to be a Uint8Array.
                    return val.data_;
                }
            });
            var finalLength_1 = 0;
            uint8Arrays.forEach(function (array) {
                finalLength_1 += array.byteLength;
            });
            var merged_1 = new Uint8Array(finalLength_1);
            var index_1 = 0;
            uint8Arrays.forEach(function (array) {
                for (var i = 0; i < array.length; i++) {
                    merged_1[index_1++] = array[i];
                }
            });
            return new FbsBlob(merged_1, true);
        }
    };
    FbsBlob.prototype.uploadData = function () {
        return this.data_;
    };
    return FbsBlob;
}());

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * Returns the Object resulting from parsing the given JSON, or null if the
 * given string does not represent a JSON object.
 */
function jsonObjectOrNull(s) {
    var obj;
    try {
        obj = JSON.parse(s);
    }
    catch (e) {
        return null;
    }
    if (isNonArrayObject(obj)) {
        return obj;
    }
    else {
        return null;
    }
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * @fileoverview Contains helper methods for manipulating paths.
 */
/**
 * @return Null if the path is already at the root.
 */
function parent(path) {
    if (path.length === 0) {
        return null;
    }
    var index = path.lastIndexOf('/');
    if (index === -1) {
        return '';
    }
    var newPath = path.slice(0, index);
    return newPath;
}
function child(path, childPath) {
    var canonicalChildPath = childPath
        .split('/')
        .filter(function (component) { return component.length > 0; })
        .join('/');
    if (path.length === 0) {
        return canonicalChildPath;
    }
    else {
        return path + '/' + canonicalChildPath;
    }
}
/**
 * Returns the last component of a path.
 * '/foo/bar' -> 'bar'
 * '/foo/bar/baz/' -> 'baz/'
 * '/a' -> 'a'
 */
function lastComponent(path) {
    var index = path.lastIndexOf('/', path.length - 2);
    if (index === -1) {
        return path;
    }
    else {
        return path.slice(index + 1);
    }
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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 noXform_(metadata, value) {
    return value;
}
var Mapping = /** @class */ (function () {
    function Mapping(server, local, writable, xform) {
        this.server = server;
        this.local = local || server;
        this.writable = !!writable;
        this.xform = xform || noXform_;
    }
    return Mapping;
}());
var mappings_ = null;
function xformPath(fullPath) {
    if (!isString(fullPath) || fullPath.length < 2) {
        return fullPath;
    }
    else {
        return lastComponent(fullPath);
    }
}
function getMappings() {
    if (mappings_) {
        return mappings_;
    }
    var mappings = [];
    mappings.push(new Mapping('bucket'));
    mappings.push(new Mapping('generation'));
    mappings.push(new Mapping('metageneration'));
    mappings.push(new Mapping('name', 'fullPath', true));
    function mappingsXformPath(_metadata, fullPath) {
        return xformPath(fullPath);
    }
    var nameMapping = new Mapping('name');
    nameMapping.xform = mappingsXformPath;
    mappings.push(nameMapping);
    /**
     * Coerces the second param to a number, if it is defined.
     */
    function xformSize(_metadata, size) {
        if (size !== undefined) {
            return Number(size);
        }
        else {
            return size;
        }
    }
    var sizeMapping = new Mapping('size');
    sizeMapping.xform = xformSize;
    mappings.push(sizeMapping);
    mappings.push(new Mapping('timeCreated'));
    mappings.push(new Mapping('updated'));
    mappings.push(new Mapping('md5Hash', null, true));
    mappings.push(new Mapping('cacheControl', null, true));
    mappings.push(new Mapping('contentDisposition', null, true));
    mappings.push(new Mapping('contentEncoding', null, true));
    mappings.push(new Mapping('contentLanguage', null, true));
    mappings.push(new Mapping('contentType', null, true));
    mappings.push(new Mapping('metadata', 'customMetadata', true));
    mappings_ = mappings;
    return mappings_;
}
function addRef(metadata, service) {
    function generateRef() {
        var bucket = metadata['bucket'];
        var path = metadata['fullPath'];
        var loc = new Location(bucket, path);
        return service._makeStorageReference(loc);
    }
    Object.defineProperty(metadata, 'ref', { get: generateRef });
}
function fromResource(service, resource, mappings) {
    var metadata = {};
    metadata['type'] = 'file';
    var len = mappings.length;
    for (var i = 0; i < len; i++) {
        var mapping = mappings[i];
        metadata[mapping.local] = mapping.xform(metadata, resource[mapping.server]);
    }
    addRef(metadata, service);
    return metadata;
}
function fromResourceString(service, resourceString, mappings) {
    var obj = jsonObjectOrNull(resourceString);
    if (obj === null) {
        return null;
    }
    var resource = obj;
    return fromResource(service, resource, mappings);
}
function downloadUrlFromResourceString(metadata, resourceString, host, protocol) {
    var obj = jsonObjectOrNull(resourceString);
    if (obj === null) {
        return null;
    }
    if (!isString(obj['downloadTokens'])) {
        // This can happen if objects are uploaded through GCS and retrieved
        // through list, so we don't want to throw an Error.
        return null;
    }
    var tokens = obj['downloadTokens'];
    if (tokens.length === 0) {
        return null;
    }
    var encode = encodeURIComponent;
    var tokensList = tokens.split(',');
    var urls = tokensList.map(function (token) {
        var bucket = metadata['bucket'];
        var path = metadata['fullPath'];
        var urlPart = '/b/' + encode(bucket) + '/o/' + encode(path);
        var base = makeUrl(urlPart, host, protocol);
        var queryString = makeQueryString({
            alt: 'media',
            token: token
        });
        return base + queryString;
    });
    return urls[0];
}
function toResourceString(metadata, mappings) {
    var resource = {};
    var len = mappings.length;
    for (var i = 0; i < len; i++) {
        var mapping = mappings[i];
        if (mapping.writable) {
            resource[mapping.server] = metadata[mapping.local];
        }
    }
    return JSON.stringify(resource);
}

/**
 * @license
 * Copyright 2019 Google LLC
 *
 * 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 PREFIXES_KEY = 'prefixes';
var ITEMS_KEY = 'items';
function fromBackendResponse(service, bucket, resource) {
    var listResult = {
        prefixes: [],
        items: [],
        nextPageToken: resource['nextPageToken']
    };
    if (resource[PREFIXES_KEY]) {
        for (var _i = 0, _a = resource[PREFIXES_KEY]; _i < _a.length; _i++) {
            var path = _a[_i];
            var pathWithoutTrailingSlash = path.replace(/\/$/, '');
            var reference = service._makeStorageReference(new Location(bucket, pathWithoutTrailingSlash));
            listResult.prefixes.push(reference);
        }
    }
    if (resource[ITEMS_KEY]) {
        for (var _b = 0, _c = resource[ITEMS_KEY]; _b < _c.length; _b++) {
            var item = _c[_b];
            var reference = service._makeStorageReference(new Location(bucket, item['name']));
            listResult.items.push(reference);
        }
    }
    return listResult;
}
function fromResponseString(service, bucket, resourceString) {
    var obj = jsonObjectOrNull(resourceString);
    if (obj === null) {
        return null;
    }
    var resource = obj;
    return fromBackendResponse(service, bucket, resource);
}

var RequestInfo = /** @class */ (function () {
    function RequestInfo(url, method, 
    /**
     * Returns the value with which to resolve the request's promise. Only called
     * if the request is successful. Throw from this function to reject the
     * returned Request's promise with the thrown error.
     * Note: The XhrIo passed to this function may be reused after this callback
     * returns. Do not keep a reference to it in any way.
     */
    handler, timeout) {
        this.url = url;
        this.method = method;
        this.handler = handler;
        this.timeout = timeout;
        this.urlParams = {};
        this.headers = {};
        this.body = null;
        this.errorHandler = null;
        /**
         * Called with the current number of bytes uploaded and total size (-1 if not
         * computable) of the request body (i.e. used to report upload progress).
         */
        this.progressCallback = null;
        this.successCodes = [200];
        this.additionalRetryCodes = [];
    }
    return RequestInfo;
}());

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * Throws the UNKNOWN StorageError if cndn is false.
 */
function handlerCheck(cndn) {
    if (!cndn) {
        throw unknown();
    }
}
function metadataHandler(service, mappings) {
    function handler(xhr, text) {
        var metadata = fromResourceString(service, text, mappings);
        handlerCheck(metadata !== null);
        return metadata;
    }
    return handler;
}
function listHandler(service, bucket) {
    function handler(xhr, text) {
        var listResult = fromResponseString(service, bucket, text);
        handlerCheck(listResult !== null);
        return listResult;
    }
    return handler;
}
function downloadUrlHandler(service, mappings) {
    function handler(xhr, text) {
        var metadata = fromResourceString(service, text, mappings);
        handlerCheck(metadata !== null);
        return downloadUrlFromResourceString(metadata, text, service.host, service._protocol);
    }
    return handler;
}
function sharedErrorHandler(location) {
    function errorHandler(xhr, err) {
        var newErr;
        if (xhr.getStatus() === 401) {
            if (
            // This exact message string is the only consistent part of the
            // server's error response that identifies it as an App Check error.
            xhr.getResponseText().includes('Firebase App Check token is invalid')) {
                newErr = unauthorizedApp();
            }
            else {
                newErr = unauthenticated();
            }
        }
        else {
            if (xhr.getStatus() === 402) {
                newErr = quotaExceeded(location.bucket);
            }
            else {
                if (xhr.getStatus() === 403) {
                    newErr = unauthorized(location.path);
                }
                else {
                    newErr = err;
                }
            }
        }
        newErr.serverResponse = err.serverResponse;
        return newErr;
    }
    return errorHandler;
}
function objectErrorHandler(location) {
    var shared = sharedErrorHandler(location);
    function errorHandler(xhr, err) {
        var newErr = shared(xhr, err);
        if (xhr.getStatus() === 404) {
            newErr = objectNotFound(location.path);
        }
        newErr.serverResponse = err.serverResponse;
        return newErr;
    }
    return errorHandler;
}
function getMetadata$2(service, location, mappings) {
    var urlPart = location.fullServerUrl();
    var url = makeUrl(urlPart, service.host, service._protocol);
    var method = 'GET';
    var timeout = service.maxOperationRetryTime;
    var requestInfo = new RequestInfo(url, method, metadataHandler(service, mappings), timeout);
    requestInfo.errorHandler = objectErrorHandler(location);
    return requestInfo;
}
function list$2(service, location, delimiter, pageToken, maxResults) {
    var urlParams = {};
    if (location.isRoot) {
        urlParams['prefix'] = '';
    }
    else {
        urlParams['prefix'] = location.path + '/';
    }
    if (delimiter && delimiter.length > 0) {
        urlParams['delimiter'] = delimiter;
    }
    if (pageToken) {
        urlParams['pageToken'] = pageToken;
    }
    if (maxResults) {
        urlParams['maxResults'] = maxResults;
    }
    var urlPart = location.bucketOnlyServerUrl();
    var url = makeUrl(urlPart, service.host, service._protocol);
    var method = 'GET';
    var timeout = service.maxOperationRetryTime;
    var requestInfo = new RequestInfo(url, method, listHandler(service, location.bucket), timeout);
    requestInfo.urlParams = urlParams;
    requestInfo.errorHandler = sharedErrorHandler(location);
    return requestInfo;
}
function getDownloadUrl(service, location, mappings) {
    var urlPart = location.fullServerUrl();
    var url = makeUrl(urlPart, service.host, service._protocol);
    var method = 'GET';
    var timeout = service.maxOperationRetryTime;
    var requestInfo = new RequestInfo(url, method, downloadUrlHandler(service, mappings), timeout);
    requestInfo.errorHandler = objectErrorHandler(location);
    return requestInfo;
}
function updateMetadata$2(service, location, metadata, mappings) {
    var urlPart = location.fullServerUrl();
    var url = makeUrl(urlPart, service.host, service._protocol);
    var method = 'PATCH';
    var body = toResourceString(metadata, mappings);
    var headers = { 'Content-Type': 'application/json; charset=utf-8' };
    var timeout = service.maxOperationRetryTime;
    var requestInfo = new RequestInfo(url, method, metadataHandler(service, mappings), timeout);
    requestInfo.headers = headers;
    requestInfo.body = body;
    requestInfo.errorHandler = objectErrorHandler(location);
    return requestInfo;
}
function deleteObject$2(service, location) {
    var urlPart = location.fullServerUrl();
    var url = makeUrl(urlPart, service.host, service._protocol);
    var method = 'DELETE';
    var timeout = service.maxOperationRetryTime;
    function handler(_xhr, _text) { }
    var requestInfo = new RequestInfo(url, method, handler, timeout);
    requestInfo.successCodes = [200, 204];
    requestInfo.errorHandler = objectErrorHandler(location);
    return requestInfo;
}
function determineContentType_(metadata, blob) {
    return ((metadata && metadata['contentType']) ||
        (blob && blob.type()) ||
        'application/octet-stream');
}
function metadataForUpload_(location, blob, metadata) {
    var metadataClone = Object.assign({}, metadata);
    metadataClone['fullPath'] = location.path;
    metadataClone['size'] = blob.size();
    if (!metadataClone['contentType']) {
        metadataClone['contentType'] = determineContentType_(null, blob);
    }
    return metadataClone;
}
/**
 * Prepare RequestInfo for uploads as Content-Type: multipart.
 */
function multipartUpload(service, location, mappings, blob, metadata) {
    var urlPart = location.bucketOnlyServerUrl();
    var headers = {
        'X-Goog-Upload-Protocol': 'multipart'
    };
    function genBoundary() {
        var str = '';
        for (var i = 0; i < 2; i++) {
            str = str + Math.random().toString().slice(2);
        }
        return str;
    }
    var boundary = genBoundary();
    headers['Content-Type'] = 'multipart/related; boundary=' + boundary;
    var metadata_ = metadataForUpload_(location, blob, metadata);
    var metadataString = toResourceString(metadata_, mappings);
    var preBlobPart = '--' +
        boundary +
        '\r\n' +
        'Content-Type: application/json; charset=utf-8\r\n\r\n' +
        metadataString +
        '\r\n--' +
        boundary +
        '\r\n' +
        'Content-Type: ' +
        metadata_['contentType'] +
        '\r\n\r\n';
    var postBlobPart = '\r\n--' + boundary + '--';
    var body = FbsBlob.getBlob(preBlobPart, blob, postBlobPart);
    if (body === null) {
        throw cannotSliceBlob();
    }
    var urlParams = { name: metadata_['fullPath'] };
    var url = makeUrl(urlPart, service.host, service._protocol);
    var method = 'POST';
    var timeout = service.maxUploadRetryTime;
    var requestInfo = new RequestInfo(url, method, metadataHandler(service, mappings), timeout);
    requestInfo.urlParams = urlParams;
    requestInfo.headers = headers;
    requestInfo.body = body.uploadData();
    requestInfo.errorHandler = sharedErrorHandler(location);
    return requestInfo;
}
/**
 * @param current The number of bytes that have been uploaded so far.
 * @param total The total number of bytes in the upload.
 * @param opt_finalized True if the server has finished the upload.
 * @param opt_metadata The upload metadata, should
 *     only be passed if opt_finalized is true.
 */
var ResumableUploadStatus = /** @class */ (function () {
    function ResumableUploadStatus(current, total, finalized, metadata) {
        this.current = current;
        this.total = total;
        this.finalized = !!finalized;
        this.metadata = metadata || null;
    }
    return ResumableUploadStatus;
}());
function checkResumeHeader_(xhr, allowed) {
    var status = null;
    try {
        status = xhr.getResponseHeader('X-Goog-Upload-Status');
    }
    catch (e) {
        handlerCheck(false);
    }
    var allowedStatus = allowed || ['active'];
    handlerCheck(!!status && allowedStatus.indexOf(status) !== -1);
    return status;
}
function createResumableUpload(service, location, mappings, blob, metadata) {
    var urlPart = location.bucketOnlyServerUrl();
    var metadataForUpload = metadataForUpload_(location, blob, metadata);
    var urlParams = { name: metadataForUpload['fullPath'] };
    var url = makeUrl(urlPart, service.host, service._protocol);
    var method = 'POST';
    var headers = {
        'X-Goog-Upload-Protocol': 'resumable',
        'X-Goog-Upload-Command': 'start',
        'X-Goog-Upload-Header-Content-Length': "" + blob.size(),
        'X-Goog-Upload-Header-Content-Type': metadataForUpload['contentType'],
        'Content-Type': 'application/json; charset=utf-8'
    };
    var body = toResourceString(metadataForUpload, mappings);
    var timeout = service.maxUploadRetryTime;
    function handler(xhr) {
        checkResumeHeader_(xhr);
        var url;
        try {
            url = xhr.getResponseHeader('X-Goog-Upload-URL');
        }
        catch (e) {
            handlerCheck(false);
        }
        handlerCheck(isString(url));
        return url;
    }
    var requestInfo = new RequestInfo(url, method, handler, timeout);
    requestInfo.urlParams = urlParams;
    requestInfo.headers = headers;
    requestInfo.body = body;
    requestInfo.errorHandler = sharedErrorHandler(location);
    return requestInfo;
}
/**
 * @param url From a call to fbs.requests.createResumableUpload.
 */
function getResumableUploadStatus(service, location, url, blob) {
    var headers = { 'X-Goog-Upload-Command': 'query' };
    function handler(xhr) {
        var status = checkResumeHeader_(xhr, ['active', 'final']);
        var sizeString = null;
        try {
            sizeString = xhr.getResponseHeader('X-Goog-Upload-Size-Received');
        }
        catch (e) {
            handlerCheck(false);
        }
        if (!sizeString) {
            // null or empty string
            handlerCheck(false);
        }
        var size = Number(sizeString);
        handlerCheck(!isNaN(size));
        return new ResumableUploadStatus(size, blob.size(), status === 'final');
    }
    var method = 'POST';
    var timeout = service.maxUploadRetryTime;
    var requestInfo = new RequestInfo(url, method, handler, timeout);
    requestInfo.headers = headers;
    requestInfo.errorHandler = sharedErrorHandler(location);
    return requestInfo;
}
/**
 * Any uploads via the resumable upload API must transfer a number of bytes
 * that is a multiple of this number.
 */
var RESUMABLE_UPLOAD_CHUNK_SIZE = 256 * 1024;
/**
 * @param url From a call to fbs.requests.createResumableUpload.
 * @param chunkSize Number of bytes to upload.
 * @param status The previous status.
 *     If not passed or null, we start from the beginning.
 * @throws fbs.Error If the upload is already complete, the passed in status
 *     has a final size inconsistent with the blob, or the blob cannot be sliced
 *     for upload.
 */
function continueResumableUpload(location, service, url, blob, chunkSize, mappings, status, progressCallback) {
    // TODO(andysoto): standardize on internal asserts
    // assert(!(opt_status && opt_status.finalized));
    var status_ = new ResumableUploadStatus(0, 0);
    if (status) {
        status_.current = status.current;
        status_.total = status.total;
    }
    else {
        status_.current = 0;
        status_.total = blob.size();
    }
    if (blob.size() !== status_.total) {
        throw serverFileWrongSize();
    }
    var bytesLeft = status_.total - status_.current;
    var bytesToUpload = bytesLeft;
    if (chunkSize > 0) {
        bytesToUpload = Math.min(bytesToUpload, chunkSize);
    }
    var startByte = status_.current;
    var endByte = startByte + bytesToUpload;
    var uploadCommand = bytesToUpload === bytesLeft ? 'upload, finalize' : 'upload';
    var headers = {
        'X-Goog-Upload-Command': uploadCommand,
        'X-Goog-Upload-Offset': "" + status_.current
    };
    var body = blob.slice(startByte, endByte);
    if (body === null) {
        throw cannotSliceBlob();
    }
    function handler(xhr, text) {
        // TODO(andysoto): Verify the MD5 of each uploaded range:
        // the 'x-range-md5' header comes back with status code 308 responses.
        // We'll only be able to bail out though, because you can't re-upload a
        // range that you previously uploaded.
        var uploadStatus = checkResumeHeader_(xhr, ['active', 'final']);
        var newCurrent = status_.current + bytesToUpload;
        var size = blob.size();
        var metadata;
        if (uploadStatus === 'final') {
            metadata = metadataHandler(service, mappings)(xhr, text);
        }
        else {
            metadata = null;
        }
        return new ResumableUploadStatus(newCurrent, size, uploadStatus === 'final', metadata);
    }
    var method = 'POST';
    var timeout = service.maxUploadRetryTime;
    var requestInfo = new RequestInfo(url, method, handler, timeout);
    requestInfo.headers = headers;
    requestInfo.body = body.uploadData();
    requestInfo.progressCallback = progressCallback || null;
    requestInfo.errorHandler = sharedErrorHandler(location);
    return requestInfo;
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * An event that is triggered on a task.
 * @internal
 */
var TaskEvent = {
    /**
     * For this event,
     * <ul>
     *   <li>The `next` function is triggered on progress updates and when the
     *       task is paused/resumed with an `UploadTaskSnapshot` as the first
     *       argument.</li>
     *   <li>The `error` function is triggered if the upload is canceled or fails
     *       for another reason.</li>
     *   <li>The `complete` function is triggered if the upload completes
     *       successfully.</li>
     * </ul>
     */
    STATE_CHANGED: 'state_changed'
};
// type keys = keyof TaskState
/**
 * Represents the current state of a running upload.
 * @internal
 */
var TaskState = {
    /** The task is currently transferring data. */
    RUNNING: 'running',
    /** The task was paused by the user. */
    PAUSED: 'paused',
    /** The task completed successfully. */
    SUCCESS: 'success',
    /** The task was canceled. */
    CANCELED: 'canceled',
    /** The task failed with an error. */
    ERROR: 'error'
};
function taskStateFromInternalTaskState(state) {
    switch (state) {
        case "running" /* RUNNING */:
        case "pausing" /* PAUSING */:
        case "canceling" /* CANCELING */:
            return TaskState.RUNNING;
        case "paused" /* PAUSED */:
            return TaskState.PAUSED;
        case "success" /* SUCCESS */:
            return TaskState.SUCCESS;
        case "canceled" /* CANCELED */:
            return TaskState.CANCELED;
        case "error" /* ERROR */:
            return TaskState.ERROR;
        default:
            // TODO(andysoto): assert(false);
            return TaskState.ERROR;
    }
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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 Observer = /** @class */ (function () {
    function Observer(nextOrObserver, error, complete) {
        var asFunctions = isFunction(nextOrObserver) || error != null || complete != null;
        if (asFunctions) {
            this.next = nextOrObserver;
            this.error = error !== null && error !== void 0 ? error : undefined;
            this.complete = complete !== null && complete !== void 0 ? complete : undefined;
        }
        else {
            var observer = nextOrObserver;
            this.next = observer.next;
            this.error = observer.error;
            this.complete = observer.complete;
        }
    }
    return Observer;
}());

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * Returns a function that invokes f with its arguments asynchronously as a
 * microtask, i.e. as soon as possible after the current script returns back
 * into browser code.
 */
// eslint-disable-next-line @typescript-eslint/ban-types
function async(f) {
    return function () {
        var argsToForward = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            argsToForward[_i] = arguments[_i];
        }
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        Promise.resolve().then(function () { return f.apply(void 0, argsToForward); });
    };
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * Represents a blob being uploaded. Can be used to pause/resume/cancel the
 * upload and manage callbacks for various events.
 * @internal
 */
var UploadTask = /** @class */ (function () {
    /**
     * @param ref - The firebaseStorage.Reference object this task came
     *     from, untyped to avoid cyclic dependencies.
     * @param blob - The blob to upload.
     */
    function UploadTask(ref, blob, metadata) {
        var _this = this;
        if (metadata === void 0) { metadata = null; }
        /**
         * Number of bytes transferred so far.
         */
        this._transferred = 0;
        this._needToFetchStatus = false;
        this._needToFetchMetadata = false;
        this._observers = [];
        this._error = undefined;
        this._uploadUrl = undefined;
        this._request = undefined;
        this._chunkMultiplier = 1;
        this._resolve = undefined;
        this._reject = undefined;
        this._ref = ref;
        this._blob = blob;
        this._metadata = metadata;
        this._mappings = getMappings();
        this._resumable = this._shouldDoResumable(this._blob);
        this._state = "running" /* RUNNING */;
        this._errorHandler = function (error) {
            _this._request = undefined;
            _this._chunkMultiplier = 1;
            if (error._codeEquals("canceled" /* CANCELED */)) {
                _this._needToFetchStatus = true;
                _this.completeTransitions_();
            }
            else {
                _this._error = error;
                _this._transition("error" /* ERROR */);
            }
        };
        this._metadataErrorHandler = function (error) {
            _this._request = undefined;
            if (error._codeEquals("canceled" /* CANCELED */)) {
                _this.completeTransitions_();
            }
            else {
                _this._error = error;
                _this._transition("error" /* ERROR */);
            }
        };
        this._promise = new Promise(function (resolve, reject) {
            _this._resolve = resolve;
            _this._reject = reject;
            _this._start();
        });
        // Prevent uncaught rejections on the internal promise from bubbling out
        // to the top level with a dummy handler.
        this._promise.then(null, function () { });
    }
    UploadTask.prototype._makeProgressCallback = function () {
        var _this = this;
        var sizeBefore = this._transferred;
        return function (loaded) { return _this._updateProgress(sizeBefore + loaded); };
    };
    UploadTask.prototype._shouldDoResumable = function (blob) {
        return blob.size() > 256 * 1024;
    };
    UploadTask.prototype._start = function () {
        if (this._state !== "running" /* RUNNING */) {
            // This can happen if someone pauses us in a resume callback, for example.
            return;
        }
        if (this._request !== undefined) {
            return;
        }
        if (this._resumable) {
            if (this._uploadUrl === undefined) {
                this._createResumable();
            }
            else {
                if (this._needToFetchStatus) {
                    this._fetchStatus();
                }
                else {
                    if (this._needToFetchMetadata) {
                        // Happens if we miss the metadata on upload completion.
                        this._fetchMetadata();
                    }
                    else {
                        this._continueUpload();
                    }
                }
            }
        }
        else {
            this._oneShotUpload();
        }
    };
    UploadTask.prototype._resolveToken = function (callback) {
        var _this = this;
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        Promise.all([
            this._ref.storage._getAuthToken(),
            this._ref.storage._getAppCheckToken()
        ]).then(function (_a) {
            var authToken = _a[0], appCheckToken = _a[1];
            switch (_this._state) {
                case "running" /* RUNNING */:
                    callback(authToken, appCheckToken);
                    break;
                case "canceling" /* CANCELING */:
                    _this._transition("canceled" /* CANCELED */);
                    break;
                case "pausing" /* PAUSING */:
                    _this._transition("paused" /* PAUSED */);
                    break;
            }
        });
    };
    // TODO(andysoto): assert false
    UploadTask.prototype._createResumable = function () {
        var _this = this;
        this._resolveToken(function (authToken, appCheckToken) {
            var requestInfo = createResumableUpload(_this._ref.storage, _this._ref._location, _this._mappings, _this._blob, _this._metadata);
            var createRequest = _this._ref.storage._makeRequest(requestInfo, authToken, appCheckToken);
            _this._request = createRequest;
            createRequest.getPromise().then(function (url) {
                _this._request = undefined;
                _this._uploadUrl = url;
                _this._needToFetchStatus = false;
                _this.completeTransitions_();
            }, _this._errorHandler);
        });
    };
    UploadTask.prototype._fetchStatus = function () {
        var _this = this;
        // TODO(andysoto): assert(this.uploadUrl_ !== null);
        var url = this._uploadUrl;
        this._resolveToken(function (authToken, appCheckToken) {
            var requestInfo = getResumableUploadStatus(_this._ref.storage, _this._ref._location, url, _this._blob);
            var statusRequest = _this._ref.storage._makeRequest(requestInfo, authToken, appCheckToken);
            _this._request = statusRequest;
            statusRequest.getPromise().then(function (status) {
                status = status;
                _this._request = undefined;
                _this._updateProgress(status.current);
                _this._needToFetchStatus = false;
                if (status.finalized) {
                    _this._needToFetchMetadata = true;
                }
                _this.completeTransitions_();
            }, _this._errorHandler);
        });
    };
    UploadTask.prototype._continueUpload = function () {
        var _this = this;
        var chunkSize = RESUMABLE_UPLOAD_CHUNK_SIZE * this._chunkMultiplier;
        var status = new ResumableUploadStatus(this._transferred, this._blob.size());
        // TODO(andysoto): assert(this.uploadUrl_ !== null);
        var url = this._uploadUrl;
        this._resolveToken(function (authToken, appCheckToken) {
            var requestInfo;
            try {
                requestInfo = continueResumableUpload(_this._ref._location, _this._ref.storage, url, _this._blob, chunkSize, _this._mappings, status, _this._makeProgressCallback());
            }
            catch (e) {
                _this._error = e;
                _this._transition("error" /* ERROR */);
                return;
            }
            var uploadRequest = _this._ref.storage._makeRequest(requestInfo, authToken, appCheckToken);
            _this._request = uploadRequest;
            uploadRequest.getPromise().then(function (newStatus) {
                _this._increaseMultiplier();
                _this._request = undefined;
                _this._updateProgress(newStatus.current);
                if (newStatus.finalized) {
                    _this._metadata = newStatus.metadata;
                    _this._transition("success" /* SUCCESS */);
                }
                else {
                    _this.completeTransitions_();
                }
            }, _this._errorHandler);
        });
    };
    UploadTask.prototype._increaseMultiplier = function () {
        var currentSize = RESUMABLE_UPLOAD_CHUNK_SIZE * this._chunkMultiplier;
        // Max chunk size is 32M.
        if (currentSize < 32 * 1024 * 1024) {
            this._chunkMultiplier *= 2;
        }
    };
    UploadTask.prototype._fetchMetadata = function () {
        var _this = this;
        this._resolveToken(function (authToken, appCheckToken) {
            var requestInfo = getMetadata$2(_this._ref.storage, _this._ref._location, _this._mappings);
            var metadataRequest = _this._ref.storage._makeRequest(requestInfo, authToken, appCheckToken);
            _this._request = metadataRequest;
            metadataRequest.getPromise().then(function (metadata) {
                _this._request = undefined;
                _this._metadata = metadata;
                _this._transition("success" /* SUCCESS */);
            }, _this._metadataErrorHandler);
        });
    };
    UploadTask.prototype._oneShotUpload = function () {
        var _this = this;
        this._resolveToken(function (authToken, appCheckToken) {
            var requestInfo = multipartUpload(_this._ref.storage, _this._ref._location, _this._mappings, _this._blob, _this._metadata);
            var multipartRequest = _this._ref.storage._makeRequest(requestInfo, authToken, appCheckToken);
            _this._request = multipartRequest;
            multipartRequest.getPromise().then(function (metadata) {
                _this._request = undefined;
                _this._metadata = metadata;
                _this._updateProgress(_this._blob.size());
                _this._transition("success" /* SUCCESS */);
            }, _this._errorHandler);
        });
    };
    UploadTask.prototype._updateProgress = function (transferred) {
        var old = this._transferred;
        this._transferred = transferred;
        // A progress update can make the "transferred" value smaller (e.g. a
        // partial upload not completed by server, after which the "transferred"
        // value may reset to the value at the beginning of the request).
        if (this._transferred !== old) {
            this._notifyObservers();
        }
    };
    UploadTask.prototype._transition = function (state) {
        if (this._state === state) {
            return;
        }
        switch (state) {
            case "canceling" /* CANCELING */:
                // TODO(andysoto):
                // assert(this.state_ === InternalTaskState.RUNNING ||
                //        this.state_ === InternalTaskState.PAUSING);
                this._state = state;
                if (this._request !== undefined) {
                    this._request.cancel();
                }
                break;
            case "pausing" /* PAUSING */:
                // TODO(andysoto):
                // assert(this.state_ === InternalTaskState.RUNNING);
                this._state = state;
                if (this._request !== undefined) {
                    this._request.cancel();
                }
                break;
            case "running" /* RUNNING */:
                // TODO(andysoto):
                // assert(this.state_ === InternalTaskState.PAUSED ||
                //        this.state_ === InternalTaskState.PAUSING);
                var wasPaused = this._state === "paused" /* PAUSED */;
                this._state = state;
                if (wasPaused) {
                    this._notifyObservers();
                    this._start();
                }
                break;
            case "paused" /* PAUSED */:
                // TODO(andysoto):
                // assert(this.state_ === InternalTaskState.PAUSING);
                this._state = state;
                this._notifyObservers();
                break;
            case "canceled" /* CANCELED */:
                // TODO(andysoto):
                // assert(this.state_ === InternalTaskState.PAUSED ||
                //        this.state_ === InternalTaskState.CANCELING);
                this._error = canceled();
                this._state = state;
                this._notifyObservers();
                break;
            case "error" /* ERROR */:
                // TODO(andysoto):
                // assert(this.state_ === InternalTaskState.RUNNING ||
                //        this.state_ === InternalTaskState.PAUSING ||
                //        this.state_ === InternalTaskState.CANCELING);
                this._state = state;
                this._notifyObservers();
                break;
            case "success" /* SUCCESS */:
                // TODO(andysoto):
                // assert(this.state_ === InternalTaskState.RUNNING ||
                //        this.state_ === InternalTaskState.PAUSING ||
                //        this.state_ === InternalTaskState.CANCELING);
                this._state = state;
                this._notifyObservers();
                break;
        }
    };
    UploadTask.prototype.completeTransitions_ = function () {
        switch (this._state) {
            case "pausing" /* PAUSING */:
                this._transition("paused" /* PAUSED */);
                break;
            case "canceling" /* CANCELING */:
                this._transition("canceled" /* CANCELED */);
                break;
            case "running" /* RUNNING */:
                this._start();
                break;
        }
    };
    Object.defineProperty(UploadTask.prototype, "snapshot", {
        /**
         * A snapshot of the current task state.
         */
        get: function () {
            var externalState = taskStateFromInternalTaskState(this._state);
            return {
                bytesTransferred: this._transferred,
                totalBytes: this._blob.size(),
                state: externalState,
                metadata: this._metadata,
                task: this,
                ref: this._ref
            };
        },
        enumerable: false,
        configurable: true
    });
    /**
     * Adds a callback for an event.
     * @param type - The type of event to listen for.
     * @param nextOrObserver -
     *     The `next` function, which gets called for each item in
     *     the event stream, or an observer object with some or all of these three
     *     properties (`next`, `error`, `complete`).
     * @param error - A function that gets called with a `StorageError`
     *     if the event stream ends due to an error.
     * @param completed - A function that gets called if the
     *     event stream ends normally.
     * @returns
     *     If only the event argument is passed, returns a function you can use to
     *     add callbacks (see the examples above). If more than just the event
     *     argument is passed, returns a function you can call to unregister the
     *     callbacks.
     */
    UploadTask.prototype.on = function (type, nextOrObserver, error, completed) {
        var _this = this;
        var observer = new Observer(nextOrObserver || undefined, error || undefined, completed || undefined);
        this._addObserver(observer);
        return function () {
            _this._removeObserver(observer);
        };
    };
    /**
     * This object behaves like a Promise, and resolves with its snapshot data
     * when the upload completes.
     * @param onFulfilled - The fulfillment callback. Promise chaining works as normal.
     * @param onRejected - The rejection callback.
     */
    UploadTask.prototype.then = function (onFulfilled, onRejected) {
        // These casts are needed so that TypeScript can infer the types of the
        // resulting Promise.
        return this._promise.then(onFulfilled, onRejected);
    };
    /**
     * Equivalent to calling `then(null, onRejected)`.
     */
    UploadTask.prototype.catch = function (onRejected) {
        return this.then(null, onRejected);
    };
    /**
     * Adds the given observer.
     */
    UploadTask.prototype._addObserver = function (observer) {
        this._observers.push(observer);
        this._notifyObserver(observer);
    };
    /**
     * Removes the given observer.
     */
    UploadTask.prototype._removeObserver = function (observer) {
        var i = this._observers.indexOf(observer);
        if (i !== -1) {
            this._observers.splice(i, 1);
        }
    };
    UploadTask.prototype._notifyObservers = function () {
        var _this = this;
        this._finishPromise();
        var observers = this._observers.slice();
        observers.forEach(function (observer) {
            _this._notifyObserver(observer);
        });
    };
    UploadTask.prototype._finishPromise = function () {
        if (this._resolve !== undefined) {
            var triggered = true;
            switch (taskStateFromInternalTaskState(this._state)) {
                case TaskState.SUCCESS:
                    async(this._resolve.bind(null, this.snapshot))();
                    break;
                case TaskState.CANCELED:
                case TaskState.ERROR:
                    var toCall = this._reject;
                    async(toCall.bind(null, this._error))();
                    break;
                default:
                    triggered = false;
                    break;
            }
            if (triggered) {
                this._resolve = undefined;
                this._reject = undefined;
            }
        }
    };
    UploadTask.prototype._notifyObserver = function (observer) {
        var externalState = taskStateFromInternalTaskState(this._state);
        switch (externalState) {
            case TaskState.RUNNING:
            case TaskState.PAUSED:
                if (observer.next) {
                    async(observer.next.bind(observer, this.snapshot))();
                }
                break;
            case TaskState.SUCCESS:
                if (observer.complete) {
                    async(observer.complete.bind(observer))();
                }
                break;
            case TaskState.CANCELED:
            case TaskState.ERROR:
                if (observer.error) {
                    async(observer.error.bind(observer, this._error))();
                }
                break;
            default:
                // TODO(andysoto): assert(false);
                if (observer.error) {
                    async(observer.error.bind(observer, this._error))();
                }
        }
    };
    /**
     * Resumes a paused task. Has no effect on a currently running or failed task.
     * @returns True if the operation took effect, false if ignored.
     */
    UploadTask.prototype.resume = function () {
        var valid = this._state === "paused" /* PAUSED */ ||
            this._state === "pausing" /* PAUSING */;
        if (valid) {
            this._transition("running" /* RUNNING */);
        }
        return valid;
    };
    /**
     * Pauses a currently running task. Has no effect on a paused or failed task.
     * @returns True if the operation took effect, false if ignored.
     */
    UploadTask.prototype.pause = function () {
        var valid = this._state === "running" /* RUNNING */;
        if (valid) {
            this._transition("pausing" /* PAUSING */);
        }
        return valid;
    };
    /**
     * Cancels a currently running or paused task. Has no effect on a complete or
     * failed task.
     * @returns True if the operation took effect, false if ignored.
     */
    UploadTask.prototype.cancel = function () {
        var valid = this._state === "running" /* RUNNING */ ||
            this._state === "pausing" /* PAUSING */;
        if (valid) {
            this._transition("canceling" /* CANCELING */);
        }
        return valid;
    };
    return UploadTask;
}());

/**
 * @license
 * Copyright 2019 Google LLC
 *
 * 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.
 */
/**
 * Provides methods to interact with a bucket in the Firebase Storage service.
 * @internal
 * @param _location - An fbs.location, or the URL at
 *     which to base this object, in one of the following forms:
 *         gs://<bucket>/<object-path>
 *         http[s]://firebasestorage.googleapis.com/
 *                     <api-version>/b/<bucket>/o/<object-path>
 *     Any query or fragment strings will be ignored in the http[s]
 *     format. If no value is passed, the storage object will use a URL based on
 *     the project ID of the base firebase.App instance.
 */
var Reference = /** @class */ (function () {
    function Reference(_service, location) {
        this._service = _service;
        if (location instanceof Location) {
            this._location = location;
        }
        else {
            this._location = Location.makeFromUrl(location, _service.host);
        }
    }
    /**
     * Returns the URL for the bucket and path this object references,
     *     in the form gs://<bucket>/<object-path>
     * @override
     */
    Reference.prototype.toString = function () {
        return 'gs://' + this._location.bucket + '/' + this._location.path;
    };
    Reference.prototype._newRef = function (service, location) {
        return new Reference(service, location);
    };
    Object.defineProperty(Reference.prototype, "root", {
        /**
         * A reference to the root of this object's bucket.
         */
        get: function () {
            var location = new Location(this._location.bucket, '');
            return this._newRef(this._service, location);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Reference.prototype, "bucket", {
        /**
         * The name of the bucket containing this reference's object.
         */
        get: function () {
            return this._location.bucket;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Reference.prototype, "fullPath", {
        /**
         * The full path of this object.
         */
        get: function () {
            return this._location.path;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Reference.prototype, "name", {
        /**
         * The short name of this object, which is the last component of the full path.
         * For example, if fullPath is 'full/path/image.png', name is 'image.png'.
         */
        get: function () {
            return lastComponent(this._location.path);
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Reference.prototype, "storage", {
        /**
         * The `StorageService` instance this `StorageReference` is associated with.
         */
        get: function () {
            return this._service;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Reference.prototype, "parent", {
        /**
         * A `StorageReference` pointing to the parent location of this `StorageReference`, or null if
         * this reference is the root.
         */
        get: function () {
            var newPath = parent(this._location.path);
            if (newPath === null) {
                return null;
            }
            var location = new Location(this._location.bucket, newPath);
            return new Reference(this._service, location);
        },
        enumerable: false,
        configurable: true
    });
    /**
     * Utility function to throw an error in methods that do not accept a root reference.
     */
    Reference.prototype._throwIfRoot = function (name) {
        if (this._location.path === '') {
            throw invalidRootOperation(name);
        }
    };
    return Reference;
}());
/**
 * Uploads data to this object's location.
 * The upload is not resumable.
 *
 * @param ref - StorageReference where data should be uploaded.
 * @param data - The data to upload.
 * @param metadata - Metadata for the newly uploaded data.
 * @returns A Promise containing an UploadResult
 */
function uploadBytes$1(ref, data, metadata) {
    ref._throwIfRoot('uploadBytes');
    var requestInfo = multipartUpload(ref.storage, ref._location, getMappings(), new FbsBlob(data, true), metadata);
    return ref.storage
        .makeRequestWithTokens(requestInfo)
        .then(function (request) { return request.getPromise(); })
        .then(function (finalMetadata) {
        return {
            metadata: finalMetadata,
            ref: ref
        };
    });
}
/**
 * Uploads data to this object's location.
 * The upload can be paused and resumed, and exposes progress updates.
 * @public
 * @param ref - StorageReference where data should be uploaded.
 * @param data - The data to upload.
 * @param metadata - Metadata for the newly uploaded data.
 * @returns An UploadTask
 */
function uploadBytesResumable$1(ref, data, metadata) {
    ref._throwIfRoot('uploadBytesResumable');
    return new UploadTask(ref, new FbsBlob(data), metadata);
}
/**
 * Uploads a string to this object's location.
 * The upload is not resumable.
 * @public
 * @param ref - StorageReference where string should be uploaded.
 * @param value - The string to upload.
 * @param format - The format of the string to upload.
 * @param metadata - Metadata for the newly uploaded string.
 * @returns A Promise containing an UploadResult
 */
function uploadString$1(ref, value, format, metadata) {
    if (format === void 0) { format = StringFormat.RAW; }
    ref._throwIfRoot('uploadString');
    var data = dataFromString(format, value);
    var metadataClone = __assign({}, metadata);
    if (metadataClone['contentType'] == null && data.contentType != null) {
        metadataClone['contentType'] = data.contentType;
    }
    return uploadBytes$1(ref, data.data, metadataClone);
}
/**
 * List all items (files) and prefixes (folders) under this storage reference.
 *
 * This is a helper method for calling list() repeatedly until there are
 * no more results. The default pagination size is 1000.
 *
 * Note: The results may not be consistent if objects are changed while this
 * operation is running.
 *
 * Warning: listAll may potentially consume too many resources if there are
 * too many results.
 * @public
 * @param ref - StorageReference to get list from.
 *
 * @returns A Promise that resolves with all the items and prefixes under
 *      the current storage reference. `prefixes` contains references to
 *      sub-directories and `items` contains references to objects in this
 *      folder. `nextPageToken` is never returned.
 */
function listAll$1(ref) {
    var accumulator = {
        prefixes: [],
        items: []
    };
    return listAllHelper(ref, accumulator).then(function () { return accumulator; });
}
/**
 * Separated from listAll because async functions can't use "arguments".
 * @param ref
 * @param accumulator
 * @param pageToken
 */
function listAllHelper(ref, accumulator, pageToken) {
    return __awaiter(this, void 0, void 0, function () {
        var opt, nextPage;
        var _a, _b;
        return __generator(this, function (_c) {
            switch (_c.label) {
                case 0:
                    opt = {
                        // maxResults is 1000 by default.
                        pageToken: pageToken
                    };
                    return [4 /*yield*/, list$1(ref, opt)];
                case 1:
                    nextPage = _c.sent();
                    (_a = accumulator.prefixes).push.apply(_a, nextPage.prefixes);
                    (_b = accumulator.items).push.apply(_b, nextPage.items);
                    if (!(nextPage.nextPageToken != null)) return [3 /*break*/, 3];
                    return [4 /*yield*/, listAllHelper(ref, accumulator, nextPage.nextPageToken)];
                case 2:
                    _c.sent();
                    _c.label = 3;
                case 3: return [2 /*return*/];
            }
        });
    });
}
/**
 * List items (files) and prefixes (folders) under this storage reference.
 *
 * List API is only available for Firebase Rules Version 2.
 *
 * GCS is a key-blob store. Firebase Storage imposes the semantic of '/'
 * delimited folder structure.
 * Refer to GCS's List API if you want to learn more.
 *
 * To adhere to Firebase Rules's Semantics, Firebase Storage does not
 * support objects whose paths end with "/" or contain two consecutive
 * "/"s. Firebase Storage List API will filter these unsupported objects.
 * list() may fail if there are too many unsupported objects in the bucket.
 * @public
 *
 * @param ref - StorageReference to get list from.
 * @param options - See ListOptions for details.
 * @returns A Promise that resolves with the items and prefixes.
 *      `prefixes` contains references to sub-folders and `items`
 *      contains references to objects in this folder. `nextPageToken`
 *      can be used to get the rest of the results.
 */
function list$1(ref, options) {
    return __awaiter(this, void 0, void 0, function () {
        var op, requestInfo;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    if (options != null) {
                        if (typeof options.maxResults === 'number') {
                            validateNumber('options.maxResults', 
                            /* minValue= */ 1, 
                            /* maxValue= */ 1000, options.maxResults);
                        }
                    }
                    op = options || {};
                    requestInfo = list$2(ref.storage, ref._location, 
                    /*delimiter= */ '/', op.pageToken, op.maxResults);
                    return [4 /*yield*/, ref.storage.makeRequestWithTokens(requestInfo)];
                case 1: return [2 /*return*/, (_a.sent()).getPromise()];
            }
        });
    });
}
/**
 * A `Promise` that resolves with the metadata for this object. If this
 * object doesn't exist or metadata cannot be retreived, the promise is
 * rejected.
 * @public
 * @param ref - StorageReference to get metadata from.
 */
function getMetadata$1(ref) {
    return __awaiter(this, void 0, void 0, function () {
        var requestInfo;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    ref._throwIfRoot('getMetadata');
                    requestInfo = getMetadata$2(ref.storage, ref._location, getMappings());
                    return [4 /*yield*/, ref.storage.makeRequestWithTokens(requestInfo)];
                case 1: return [2 /*return*/, (_a.sent()).getPromise()];
            }
        });
    });
}
/**
 * Updates the metadata for this object.
 * @public
 * @param ref - StorageReference to update metadata for.
 * @param metadata - The new metadata for the object.
 *     Only values that have been explicitly set will be changed. Explicitly
 *     setting a value to null will remove the metadata.
 * @returns A `Promise` that resolves
 *     with the new metadata for this object.
 *     See `firebaseStorage.Reference.prototype.getMetadata`
 */
function updateMetadata$1(ref, metadata) {
    return __awaiter(this, void 0, void 0, function () {
        var requestInfo;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    ref._throwIfRoot('updateMetadata');
                    requestInfo = updateMetadata$2(ref.storage, ref._location, metadata, getMappings());
                    return [4 /*yield*/, ref.storage.makeRequestWithTokens(requestInfo)];
                case 1: return [2 /*return*/, (_a.sent()).getPromise()];
            }
        });
    });
}
/**
 * Returns the download URL for the given Reference.
 * @public
 * @returns A `Promise` that resolves with the download
 *     URL for this object.
 */
function getDownloadURL$1(ref) {
    return __awaiter(this, void 0, void 0, function () {
        var requestInfo;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    ref._throwIfRoot('getDownloadURL');
                    requestInfo = getDownloadUrl(ref.storage, ref._location, getMappings());
                    return [4 /*yield*/, ref.storage.makeRequestWithTokens(requestInfo)];
                case 1: return [2 /*return*/, (_a.sent())
                        .getPromise()
                        .then(function (url) {
                        if (url === null) {
                            throw noDownloadURL();
                        }
                        return url;
                    })];
            }
        });
    });
}
/**
 * Deletes the object at this location.
 * @public
 * @param ref - StorageReference for object to delete.
 * @returns A `Promise` that resolves if the deletion succeeds.
 */
function deleteObject$1(ref) {
    return __awaiter(this, void 0, void 0, function () {
        var requestInfo;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    ref._throwIfRoot('deleteObject');
                    requestInfo = deleteObject$2(ref.storage, ref._location);
                    return [4 /*yield*/, ref.storage.makeRequestWithTokens(requestInfo)];
                case 1: return [2 /*return*/, (_a.sent()).getPromise()];
            }
        });
    });
}
/**
 * Returns reference for object obtained by appending `childPath` to `ref`.
 *
 * @param ref - StorageReference to get child of.
 * @param childPath - Child path from provided ref.
 * @returns A reference to the object obtained by
 * appending childPath, removing any duplicate, beginning, or trailing
 * slashes.
 *
 */
function _getChild$1(ref, childPath) {
    var newPath = child(ref._location.path, childPath);
    var location = new Location(ref._location.bucket, newPath);
    return new Reference(ref.storage, location);
}

/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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 isUrl(path) {
    return /^[A-Za-z]+:\/\//.test(path);
}
/**
 * Returns a firebaseStorage.Reference for the given url.
 */
function refFromURL(service, url) {
    return new Reference(service, url);
}
/**
 * Returns a firebaseStorage.Reference for the given path in the default
 * bucket.
 */
function refFromPath(ref, path) {
    if (ref instanceof FirebaseStorageImpl) {
        var service = ref;
        if (service._bucket == null) {
            throw noDefaultBucket();
        }
        var reference = new Reference(service, service._bucket);
        if (path != null) {
            return refFromPath(reference, path);
        }
        else {
            return reference;
        }
    }
    else {
        // ref is a Reference
        if (path !== undefined) {
            return _getChild$1(ref, path);
        }
        else {
            return ref;
        }
    }
}
function ref$1(serviceOrRef, pathOrUrl) {
    if (pathOrUrl && isUrl(pathOrUrl)) {
        if (serviceOrRef instanceof FirebaseStorageImpl) {
            return refFromURL(serviceOrRef, pathOrUrl);
        }
        else {
            throw invalidArgument('To use ref(service, url), the first argument must be a Storage instance.');
        }
    }
    else {
        return refFromPath(serviceOrRef, pathOrUrl);
    }
}
function extractBucket(host, config) {
    var bucketString = config === null || config === void 0 ? void 0 : config[CONFIG_STORAGE_BUCKET_KEY];
    if (bucketString == null) {
        return null;
    }
    return Location.makeFromBucketSpec(bucketString, host);
}
function connectStorageEmulator$1(storage, host, port, options) {
    if (options === void 0) { options = {}; }
    storage.host = host + ":" + port;
    storage._protocol = 'http';
    var mockUserToken = options.mockUserToken;
    if (mockUserToken) {
        storage._overrideAuthToken =
            typeof mockUserToken === 'string'
                ? mockUserToken
                : createMockUserToken(mockUserToken, storage.app.options.projectId);
    }
}
/**
 * A service that provides Firebase Storage Reference instances.
 * @param opt_url - gs:// url to a custom Storage Bucket
 *
 * @internal
 */
var FirebaseStorageImpl = /** @class */ (function () {
    function FirebaseStorageImpl(
    /**
     * FirebaseApp associated with this StorageService instance.
     */
    app, _authProvider, 
    /**
     * @internal
     */
    _appCheckProvider, 
    /**
     * @internal
     */
    _pool, _url, _firebaseVersion) {
        this.app = app;
        this._authProvider = _authProvider;
        this._appCheckProvider = _appCheckProvider;
        this._pool = _pool;
        this._url = _url;
        this._firebaseVersion = _firebaseVersion;
        this._bucket = null;
        /**
         * This string can be in the formats:
         * - host
         * - host:port
         */
        this._host = DEFAULT_HOST;
        this._protocol = 'https';
        this._appId = null;
        this._deleted = false;
        this._maxOperationRetryTime = DEFAULT_MAX_OPERATION_RETRY_TIME;
        this._maxUploadRetryTime = DEFAULT_MAX_UPLOAD_RETRY_TIME;
        this._requests = new Set();
        if (_url != null) {
            this._bucket = Location.makeFromBucketSpec(_url, this._host);
        }
        else {
            this._bucket = extractBucket(this._host, this.app.options);
        }
    }
    Object.defineProperty(FirebaseStorageImpl.prototype, "host", {
        /**
         * The host string for this service, in the form of `host` or
         * `host:port`.
         */
        get: function () {
            return this._host;
        },
        set: function (host) {
            this._host = host;
            if (this._url != null) {
                this._bucket = Location.makeFromBucketSpec(this._url, host);
            }
            else {
                this._bucket = extractBucket(host, this.app.options);
            }
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(FirebaseStorageImpl.prototype, "maxUploadRetryTime", {
        /**
         * The maximum time to retry uploads in milliseconds.
         */
        get: function () {
            return this._maxUploadRetryTime;
        },
        set: function (time) {
            validateNumber('time', 
            /* minValue=*/ 0, 
            /* maxValue= */ Number.POSITIVE_INFINITY, time);
            this._maxUploadRetryTime = time;
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(FirebaseStorageImpl.prototype, "maxOperationRetryTime", {
        /**
         * The maximum time to retry operations other than uploads or downloads in
         * milliseconds.
         */
        get: function () {
            return this._maxOperationRetryTime;
        },
        set: function (time) {
            validateNumber('time', 
            /* minValue=*/ 0, 
            /* maxValue= */ Number.POSITIVE_INFINITY, time);
            this._maxOperationRetryTime = time;
        },
        enumerable: false,
        configurable: true
    });
    FirebaseStorageImpl.prototype._getAuthToken = function () {
        return __awaiter(this, void 0, void 0, function () {
            var auth, tokenData;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        if (this._overrideAuthToken) {
                            return [2 /*return*/, this._overrideAuthToken];
                        }
                        auth = this._authProvider.getImmediate({ optional: true });
                        if (!auth) return [3 /*break*/, 2];
                        return [4 /*yield*/, auth.getToken()];
                    case 1:
                        tokenData = _a.sent();
                        if (tokenData !== null) {
                            return [2 /*return*/, tokenData.accessToken];
                        }
                        _a.label = 2;
                    case 2: return [2 /*return*/, null];
                }
            });
        });
    };
    FirebaseStorageImpl.prototype._getAppCheckToken = function () {
        return __awaiter(this, void 0, void 0, function () {
            var appCheck, result;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        appCheck = this._appCheckProvider.getImmediate({ optional: true });
                        if (!appCheck) return [3 /*break*/, 2];
                        return [4 /*yield*/, appCheck.getToken()];
                    case 1:
                        result = _a.sent();
                        // TODO: What do we want to do if there is an error getting the token?
                        // Context: appCheck.getToken() will never throw even if an error happened. In the error case, a dummy token will be
                        // returned along with an error field describing the error. In general, we shouldn't care about the error condition and just use
                        // the token (actual or dummy) to send requests.
                        return [2 /*return*/, result.token];
                    case 2: return [2 /*return*/, null];
                }
            });
        });
    };
    /**
     * Stop running requests and prevent more from being created.
     */
    FirebaseStorageImpl.prototype._delete = function () {
        if (!this._deleted) {
            this._deleted = true;
            this._requests.forEach(function (request) { return request.cancel(); });
            this._requests.clear();
        }
        return Promise.resolve();
    };
    /**
     * Returns a new firebaseStorage.Reference object referencing this StorageService
     * at the given Location.
     */
    FirebaseStorageImpl.prototype._makeStorageReference = function (loc) {
        return new Reference(this, loc);
    };
    /**
     * @param requestInfo - HTTP RequestInfo object
     * @param authToken - Firebase auth token
     */
    FirebaseStorageImpl.prototype._makeRequest = function (requestInfo, authToken, appCheckToken) {
        var _this = this;
        if (!this._deleted) {
            var request_1 = makeRequest(requestInfo, this._appId, authToken, appCheckToken, this._pool, this._firebaseVersion);
            this._requests.add(request_1);
            // Request removes itself from set when complete.
            request_1.getPromise().then(function () { return _this._requests.delete(request_1); }, function () { return _this._requests.delete(request_1); });
            return request_1;
        }
        else {
            return new FailRequest(appDeleted());
        }
    };
    FirebaseStorageImpl.prototype.makeRequestWithTokens = function (requestInfo) {
        return __awaiter(this, void 0, void 0, function () {
            var _a, authToken, appCheckToken;
            return __generator(this, function (_b) {
                switch (_b.label) {
                    case 0: return [4 /*yield*/, Promise.all([
                            this._getAuthToken(),
                            this._getAppCheckToken()
                        ])];
                    case 1:
                        _a = _b.sent(), authToken = _a[0], appCheckToken = _a[1];
                        return [2 /*return*/, this._makeRequest(requestInfo, authToken, appCheckToken)];
                }
            });
        });
    };
    return FirebaseStorageImpl;
}());

var name = "@firebase/storage";
var version = "0.8.4";

/**
 * @license
 * Copyright 2020 Google LLC
 *
 * 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.
 */
/**
 * Type constant for Firebase Storage.
 */
var STORAGE_TYPE = 'storage';

/**
 * @license
 * Copyright 2020 Google LLC
 *
 * 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.
 */
/**
 * Uploads data to this object's location.
 * The upload is not resumable.
 * @public
 * @param ref - {@link StorageReference} where data should be uploaded.
 * @param data - The data to upload.
 * @param metadata - Metadata for the data to upload.
 * @returns A Promise containing an UploadResult
 */
function uploadBytes(ref, data, metadata) {
    ref = getModularInstance(ref);
    return uploadBytes$1(ref, data, metadata);
}
/**
 * Uploads a string to this object's location.
 * The upload is not resumable.
 * @public
 * @param ref - {@link StorageReference} where string should be uploaded.
 * @param value - The string to upload.
 * @param format - The format of the string to upload.
 * @param metadata - Metadata for the string to upload.
 * @returns A Promise containing an UploadResult
 */
function uploadString(ref, value, format, metadata) {
    ref = getModularInstance(ref);
    return uploadString$1(ref, value, format, metadata);
}
/**
 * Uploads data to this object's location.
 * The upload can be paused and resumed, and exposes progress updates.
 * @public
 * @param ref - {@link StorageReference} where data should be uploaded.
 * @param data - The data to upload.
 * @param metadata - Metadata for the data to upload.
 * @returns An UploadTask
 */
function uploadBytesResumable(ref, data, metadata) {
    ref = getModularInstance(ref);
    return uploadBytesResumable$1(ref, data, metadata);
}
/**
 * A `Promise` that resolves with the metadata for this object. If this
 * object doesn't exist or metadata cannot be retreived, the promise is
 * rejected.
 * @public
 * @param ref - {@link StorageReference} to get metadata from.
 */
function getMetadata(ref) {
    ref = getModularInstance(ref);
    return getMetadata$1(ref);
}
/**
 * Updates the metadata for this object.
 * @public
 * @param ref - {@link StorageReference} to update metadata for.
 * @param metadata - The new metadata for the object.
 *     Only values that have been explicitly set will be changed. Explicitly
 *     setting a value to null will remove the metadata.
 * @returns A `Promise` that resolves with the new metadata for this object.
 */
function updateMetadata(ref, metadata) {
    ref = getModularInstance(ref);
    return updateMetadata$1(ref, metadata);
}
/**
 * List items (files) and prefixes (folders) under this storage reference.
 *
 * List API is only available for Firebase Rules Version 2.
 *
 * GCS is a key-blob store. Firebase Storage imposes the semantic of '/'
 * delimited folder structure.
 * Refer to GCS's List API if you want to learn more.
 *
 * To adhere to Firebase Rules's Semantics, Firebase Storage does not
 * support objects whose paths end with "/" or contain two consecutive
 * "/"s. Firebase Storage List API will filter these unsupported objects.
 * list() may fail if there are too many unsupported objects in the bucket.
 * @public
 *
 * @param ref - {@link StorageReference} to get list from.
 * @param options - See {@link ListOptions} for details.
 * @returns A `Promise` that resolves with the items and prefixes.
 *      `prefixes` contains references to sub-folders and `items`
 *      contains references to objects in this folder. `nextPageToken`
 *      can be used to get the rest of the results.
 */
function list(ref, options) {
    ref = getModularInstance(ref);
    return list$1(ref, options);
}
/**
 * List all items (files) and prefixes (folders) under this storage reference.
 *
 * This is a helper method for calling list() repeatedly until there are
 * no more results. The default pagination size is 1000.
 *
 * Note: The results may not be consistent if objects are changed while this
 * operation is running.
 *
 * Warning: `listAll` may potentially consume too many resources if there are
 * too many results.
 * @public
 * @param ref - {@link StorageReference} to get list from.
 *
 * @returns A `Promise` that resolves with all the items and prefixes under
 *      the current storage reference. `prefixes` contains references to
 *      sub-directories and `items` contains references to objects in this
 *      folder. `nextPageToken` is never returned.
 */
function listAll(ref) {
    ref = getModularInstance(ref);
    return listAll$1(ref);
}
/**
 * Returns the download URL for the given {@link StorageReference}.
 * @public
 * @param ref - {@link StorageReference} to get the download URL for.
 * @returns A `Promise` that resolves with the download
 *     URL for this object.
 */
function getDownloadURL(ref) {
    ref = getModularInstance(ref);
    return getDownloadURL$1(ref);
}
/**
 * Deletes the object at this location.
 * @public
 * @param ref - {@link StorageReference} for object to delete.
 * @returns A `Promise` that resolves if the deletion succeeds.
 */
function deleteObject(ref) {
    ref = getModularInstance(ref);
    return deleteObject$1(ref);
}
function ref(serviceOrRef, pathOrUrl) {
    serviceOrRef = getModularInstance(serviceOrRef);
    return ref$1(serviceOrRef, pathOrUrl);
}
/**
 * @internal
 */
function _getChild(ref, childPath) {
    return _getChild$1(ref, childPath);
}
/**
 * Gets a {@link FirebaseStorage} instance for the given Firebase app.
 * @public
 * @param app - Firebase app to get {@link FirebaseStorage} instance for.
 * @param bucketUrl - The gs:// url to your Firebase Storage Bucket.
 * If not passed, uses the app's default Storage Bucket.
 * @returns A {@link FirebaseStorage} instance.
 */
function getStorage(app, bucketUrl) {
    if (app === void 0) { app = getApp(); }
    app = getModularInstance(app);
    var storageProvider = _getProvider(app, STORAGE_TYPE);
    var storageInstance = storageProvider.getImmediate({
        identifier: bucketUrl
    });
    return storageInstance;
}
/**
 * Modify this {@link FirebaseStorage} instance to communicate with the Cloud Storage emulator.
 *
 * @param storage - The {@link FirebaseStorage} instance
 * @param host - The emulator host (ex: localhost)
 * @param port - The emulator port (ex: 5001)
 * @param options - Emulator options. `options.mockUserToken` is the mock auth
 * token to use for unit testing Security Rules.
 * @public
 */
function connectStorageEmulator(storage, host, port, options) {
    if (options === void 0) { options = {}; }
    connectStorageEmulator$1(storage, host, port, options);
}

/**
 * Cloud Storage for Firebase
 *
 * @packageDocumentation
 */
function factory(container, _a) {
    var url = _a.instanceIdentifier;
    var app = container.getProvider('app').getImmediate();
    var authProvider = container.getProvider('auth-internal');
    var appCheckProvider = container.getProvider('app-check-internal');
    return new FirebaseStorageImpl(app, authProvider, appCheckProvider, new ConnectionPool(), url, SDK_VERSION);
}
function registerStorage() {
    _registerComponent(new Component(STORAGE_TYPE, factory, "PUBLIC" /* PUBLIC */).setMultipleInstances(true));
    //RUNTIME_ENV will be replaced during the compilation to "node" for nodejs and an empty string for browser
    registerVersion(name, version, '');
    // BUILD_TARGET will be replaced by values like esm5, esm2017, cjs5, etc during the compilation
    registerVersion(name, version, 'esm5');
}
registerStorage();

export { StringFormat, FbsBlob as _FbsBlob, Location as _Location, TaskEvent as _TaskEvent, TaskState as _TaskState, UploadTask as _UploadTask, dataFromString as _dataFromString, _getChild, invalidArgument as _invalidArgument, invalidRootOperation as _invalidRootOperation, connectStorageEmulator, deleteObject, getDownloadURL, getMetadata, getStorage, list, listAll, ref, updateMetadata, uploadBytes, uploadBytesResumable, uploadString };
//# sourceMappingURL=index.esm5.js.map
