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tra-analysis/website/functions/node_modules/@firebase/util/dist/index.cjs.js
Jacob Levine d2d5d4c04e push all website files
2019-01-06 13:14:45 -06:00

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JavaScript
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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var tslib_1 = require('tslib');
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Firebase constants. Some of these (@defines) can be overridden at compile-time.
*/
var CONSTANTS = {
/**
* @define {boolean} Whether this is the client Node.js SDK.
*/
NODE_CLIENT: false,
/**
* @define {boolean} Whether this is the Admin Node.js SDK.
*/
NODE_ADMIN: false,
/**
* Firebase SDK Version
*/
SDK_VERSION: '${JSCORE_VERSION}'
};
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Throws an error if the provided assertion is falsy
* @param {*} assertion The assertion to be tested for falsiness
* @param {!string} message The message to display if the check fails
*/
var assert = function (assertion, message) {
if (!assertion) {
throw assertionError(message);
}
};
/**
* Returns an Error object suitable for throwing.
* @param {string} message
* @return {!Error}
*/
var assertionError = function (message) {
return new Error('Firebase Database (' +
CONSTANTS.SDK_VERSION +
') INTERNAL ASSERT FAILED: ' +
message);
};
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var stringToByteArray = function (str) {
// TODO(user): Use native implementations if/when available
var out = [], p = 0;
for (var i = 0; i < str.length; i++) {
var c = str.charCodeAt(i);
if (c < 128) {
out[p++] = c;
}
else if (c < 2048) {
out[p++] = (c >> 6) | 192;
out[p++] = (c & 63) | 128;
}
else if ((c & 0xfc00) == 0xd800 &&
i + 1 < str.length &&
(str.charCodeAt(i + 1) & 0xfc00) == 0xdc00) {
// Surrogate Pair
c = 0x10000 + ((c & 0x03ff) << 10) + (str.charCodeAt(++i) & 0x03ff);
out[p++] = (c >> 18) | 240;
out[p++] = ((c >> 12) & 63) | 128;
out[p++] = ((c >> 6) & 63) | 128;
out[p++] = (c & 63) | 128;
}
else {
out[p++] = (c >> 12) | 224;
out[p++] = ((c >> 6) & 63) | 128;
out[p++] = (c & 63) | 128;
}
}
return out;
};
/**
* Turns an array of numbers into the string given by the concatenation of the
* characters to which the numbers correspond.
* @param {Array<number>} bytes Array of numbers representing characters.
* @return {string} Stringification of the array.
*/
var byteArrayToString = function (bytes) {
// TODO(user): Use native implementations if/when available
var out = [], pos = 0, c = 0;
while (pos < bytes.length) {
var c1 = bytes[pos++];
if (c1 < 128) {
out[c++] = String.fromCharCode(c1);
}
else if (c1 > 191 && c1 < 224) {
var c2 = bytes[pos++];
out[c++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));
}
else if (c1 > 239 && c1 < 365) {
// Surrogate Pair
var c2 = bytes[pos++];
var c3 = bytes[pos++];
var c4 = bytes[pos++];
var u = (((c1 & 7) << 18) | ((c2 & 63) << 12) | ((c3 & 63) << 6) | (c4 & 63)) -
0x10000;
out[c++] = String.fromCharCode(0xd800 + (u >> 10));
out[c++] = String.fromCharCode(0xdc00 + (u & 1023));
}
else {
var c2 = bytes[pos++];
var c3 = bytes[pos++];
out[c++] = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
}
}
return out.join('');
};
// Static lookup maps, lazily populated by init_()
var base64 = {
/**
* Maps bytes to characters.
* @type {Object}
* @private
*/
byteToCharMap_: null,
/**
* Maps characters to bytes.
* @type {Object}
* @private
*/
charToByteMap_: null,
/**
* Maps bytes to websafe characters.
* @type {Object}
* @private
*/
byteToCharMapWebSafe_: null,
/**
* Maps websafe characters to bytes.
* @type {Object}
* @private
*/
charToByteMapWebSafe_: null,
/**
* Our default alphabet, shared between
* ENCODED_VALS and ENCODED_VALS_WEBSAFE
* @type {string}
*/
ENCODED_VALS_BASE: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' + 'abcdefghijklmnopqrstuvwxyz' + '0123456789',
/**
* Our default alphabet. Value 64 (=) is special; it means "nothing."
* @type {string}
*/
get ENCODED_VALS() {
return this.ENCODED_VALS_BASE + '+/=';
},
/**
* Our websafe alphabet.
* @type {string}
*/
get ENCODED_VALS_WEBSAFE() {
return this.ENCODED_VALS_BASE + '-_.';
},
/**
* Whether this browser supports the atob and btoa functions. This extension
* started at Mozilla but is now implemented by many browsers. We use the
* ASSUME_* variables to avoid pulling in the full useragent detection library
* but still allowing the standard per-browser compilations.
*
* @type {boolean}
*/
HAS_NATIVE_SUPPORT: typeof atob === 'function',
/**
* Base64-encode an array of bytes.
*
* @param {Array<number>|Uint8Array} input An array of bytes (numbers with
* value in [0, 255]) to encode.
* @param {boolean=} opt_webSafe Boolean indicating we should use the
* alternative alphabet.
* @return {string} The base64 encoded string.
*/
encodeByteArray: function (input, opt_webSafe) {
if (!Array.isArray(input)) {
throw Error('encodeByteArray takes an array as a parameter');
}
this.init_();
var byteToCharMap = opt_webSafe
? this.byteToCharMapWebSafe_
: this.byteToCharMap_;
var output = [];
for (var i = 0; i < input.length; i += 3) {
var byte1 = input[i];
var haveByte2 = i + 1 < input.length;
var byte2 = haveByte2 ? input[i + 1] : 0;
var haveByte3 = i + 2 < input.length;
var byte3 = haveByte3 ? input[i + 2] : 0;
var outByte1 = byte1 >> 2;
var outByte2 = ((byte1 & 0x03) << 4) | (byte2 >> 4);
var outByte3 = ((byte2 & 0x0f) << 2) | (byte3 >> 6);
var outByte4 = byte3 & 0x3f;
if (!haveByte3) {
outByte4 = 64;
if (!haveByte2) {
outByte3 = 64;
}
}
output.push(byteToCharMap[outByte1], byteToCharMap[outByte2], byteToCharMap[outByte3], byteToCharMap[outByte4]);
}
return output.join('');
},
/**
* Base64-encode a string.
*
* @param {string} input A string to encode.
* @param {boolean=} opt_webSafe If true, we should use the
* alternative alphabet.
* @return {string} The base64 encoded string.
*/
encodeString: function (input, opt_webSafe) {
// Shortcut for Mozilla browsers that implement
// a native base64 encoder in the form of "btoa/atob"
if (this.HAS_NATIVE_SUPPORT && !opt_webSafe) {
return btoa(input);
}
return this.encodeByteArray(stringToByteArray(input), opt_webSafe);
},
/**
* Base64-decode a string.
*
* @param {string} input to decode.
* @param {boolean=} opt_webSafe True if we should use the
* alternative alphabet.
* @return {string} string representing the decoded value.
*/
decodeString: function (input, opt_webSafe) {
// Shortcut for Mozilla browsers that implement
// a native base64 encoder in the form of "btoa/atob"
if (this.HAS_NATIVE_SUPPORT && !opt_webSafe) {
return atob(input);
}
return byteArrayToString(this.decodeStringToByteArray(input, opt_webSafe));
},
/**
* Base64-decode a string.
*
* In base-64 decoding, groups of four characters are converted into three
* bytes. If the encoder did not apply padding, the input length may not
* be a multiple of 4.
*
* In this case, the last group will have fewer than 4 characters, and
* padding will be inferred. If the group has one or two characters, it decodes
* to one byte. If the group has three characters, it decodes to two bytes.
*
* @param {string} input Input to decode.
* @param {boolean=} opt_webSafe True if we should use the web-safe alphabet.
* @return {!Array<number>} bytes representing the decoded value.
*/
decodeStringToByteArray: function (input, opt_webSafe) {
this.init_();
var charToByteMap = opt_webSafe
? this.charToByteMapWebSafe_
: this.charToByteMap_;
var output = [];
for (var i = 0; i < input.length;) {
var byte1 = charToByteMap[input.charAt(i++)];
var haveByte2 = i < input.length;
var byte2 = haveByte2 ? charToByteMap[input.charAt(i)] : 0;
++i;
var haveByte3 = i < input.length;
var byte3 = haveByte3 ? charToByteMap[input.charAt(i)] : 64;
++i;
var haveByte4 = i < input.length;
var byte4 = haveByte4 ? charToByteMap[input.charAt(i)] : 64;
++i;
if (byte1 == null || byte2 == null || byte3 == null || byte4 == null) {
throw Error();
}
var outByte1 = (byte1 << 2) | (byte2 >> 4);
output.push(outByte1);
if (byte3 != 64) {
var outByte2 = ((byte2 << 4) & 0xf0) | (byte3 >> 2);
output.push(outByte2);
if (byte4 != 64) {
var outByte3 = ((byte3 << 6) & 0xc0) | byte4;
output.push(outByte3);
}
}
}
return output;
},
/**
* Lazy static initialization function. Called before
* accessing any of the static map variables.
* @private
*/
init_: function () {
if (!this.byteToCharMap_) {
this.byteToCharMap_ = {};
this.charToByteMap_ = {};
this.byteToCharMapWebSafe_ = {};
this.charToByteMapWebSafe_ = {};
// We want quick mappings back and forth, so we precompute two maps.
for (var i = 0; i < this.ENCODED_VALS.length; i++) {
this.byteToCharMap_[i] = this.ENCODED_VALS.charAt(i);
this.charToByteMap_[this.byteToCharMap_[i]] = i;
this.byteToCharMapWebSafe_[i] = this.ENCODED_VALS_WEBSAFE.charAt(i);
this.charToByteMapWebSafe_[this.byteToCharMapWebSafe_[i]] = i;
// Be forgiving when decoding and correctly decode both encodings.
if (i >= this.ENCODED_VALS_BASE.length) {
this.charToByteMap_[this.ENCODED_VALS_WEBSAFE.charAt(i)] = i;
this.charToByteMapWebSafe_[this.ENCODED_VALS.charAt(i)] = i;
}
}
}
}
};
/**
* URL-safe base64 encoding
* @param {!string} str
* @return {!string}
*/
var base64Encode = function (str) {
var utf8Bytes = stringToByteArray(str);
return base64.encodeByteArray(utf8Bytes, true);
};
/**
* URL-safe base64 decoding
*
* NOTE: DO NOT use the global atob() function - it does NOT support the
* base64Url variant encoding.
*
* @param {string} str To be decoded
* @return {?string} Decoded result, if possible
*/
var base64Decode = function (str) {
try {
return base64.decodeString(str, true);
}
catch (e) {
console.error('base64Decode failed: ', e);
}
return null;
};
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Do a deep-copy of basic JavaScript Objects or Arrays.
*/
function deepCopy(value) {
return deepExtend(undefined, value);
}
/**
* Copy properties from source to target (recursively allows extension
* of Objects and Arrays). Scalar values in the target are over-written.
* If target is undefined, an object of the appropriate type will be created
* (and returned).
*
* We recursively copy all child properties of plain Objects in the source- so
* that namespace- like dictionaries are merged.
*
* Note that the target can be a function, in which case the properties in
* the source Object are copied onto it as static properties of the Function.
*/
function deepExtend(target, source) {
if (!(source instanceof Object)) {
return source;
}
switch (source.constructor) {
case Date:
// Treat Dates like scalars; if the target date object had any child
// properties - they will be lost!
var dateValue = source;
return new Date(dateValue.getTime());
case Object:
if (target === undefined) {
target = {};
}
break;
case Array:
// Always copy the array source and overwrite the target.
target = [];
break;
default:
// Not a plain Object - treat it as a scalar.
return source;
}
for (var prop in source) {
if (!source.hasOwnProperty(prop)) {
continue;
}
target[prop] = deepExtend(target[prop], source[prop]);
}
return target;
}
// TODO: Really needed (for JSCompiler type checking)?
function patchProperty(obj, prop, value) {
obj[prop] = value;
}
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var Deferred = /** @class */ (function () {
function Deferred() {
var _this = this;
this.promise = new Promise(function (resolve, reject) {
_this.resolve = resolve;
_this.reject = reject;
});
}
/**
* Our API internals are not promiseified and cannot because our callback APIs have subtle expectations around
* invoking promises inline, which Promises are forbidden to do. This method accepts an optional node-style callback
* and returns a node-style callback which will resolve or reject the Deferred's promise.
* @param {((?function(?(Error)): (?|undefined))| (?function(?(Error),?=): (?|undefined)))=} callback
* @return {!function(?(Error), ?=)}
*/
Deferred.prototype.wrapCallback = function (callback) {
var _this = this;
return function (error, value) {
if (error) {
_this.reject(error);
}
else {
_this.resolve(value);
}
if (typeof callback === 'function') {
// Attaching noop handler just in case developer wasn't expecting
// promises
_this.promise.catch(function () { });
// Some of our callbacks don't expect a value and our own tests
// assert that the parameter length is 1
if (callback.length === 1) {
callback(error);
}
else {
callback(error, value);
}
}
};
};
return Deferred;
}());
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Returns navigator.userAgent string or '' if it's not defined.
* @return {string} user agent string
*/
var getUA = function () {
if (typeof navigator !== 'undefined' &&
typeof navigator['userAgent'] === 'string') {
return navigator['userAgent'];
}
else {
return '';
}
};
/**
* Detect Cordova / PhoneGap / Ionic frameworks on a mobile device.
*
* Deliberately does not rely on checking `file://` URLs (as this fails PhoneGap in the Ripple emulator) nor
* Cordova `onDeviceReady`, which would normally wait for a callback.
*
* @return {boolean} isMobileCordova
*/
var isMobileCordova = function () {
return (typeof window !== 'undefined' &&
!!(window['cordova'] || window['phonegap'] || window['PhoneGap']) &&
/ios|iphone|ipod|ipad|android|blackberry|iemobile/i.test(getUA()));
};
/**
* Detect React Native.
*
* @return {boolean} True if ReactNative environment is detected.
*/
var isReactNative = function () {
return (typeof navigator === 'object' && navigator['product'] === 'ReactNative');
};
/**
* Detect Node.js.
*
* @return {boolean} True if Node.js environment is detected.
*/
var isNodeSdk = function () {
return CONSTANTS.NODE_CLIENT === true || CONSTANTS.NODE_ADMIN === true;
};
var ERROR_NAME = 'FirebaseError';
var captureStackTrace = Error
.captureStackTrace;
// Export for faking in tests
function patchCapture(captureFake) {
var result = captureStackTrace;
captureStackTrace = captureFake;
return result;
}
var FirebaseError = /** @class */ (function () {
function FirebaseError(code, message) {
this.code = code;
this.message = message;
// We want the stack value, if implemented by Error
if (captureStackTrace) {
// Patches this.stack, omitted calls above ErrorFactory#create
captureStackTrace(this, ErrorFactory.prototype.create);
}
else {
try {
// In case of IE11, stack will be set only after error is raised.
// https://docs.microsoft.com/en-us/scripting/javascript/reference/stack-property-error-javascript
throw Error.apply(this, arguments);
}
catch (err) {
this.name = ERROR_NAME;
// Make non-enumerable getter for the property.
Object.defineProperty(this, 'stack', {
get: function () {
return err.stack;
}
});
}
}
}
return FirebaseError;
}());
// Back-door inheritance
FirebaseError.prototype = Object.create(Error.prototype);
FirebaseError.prototype.constructor = FirebaseError;
FirebaseError.prototype.name = ERROR_NAME;
var ErrorFactory = /** @class */ (function () {
function ErrorFactory(service, serviceName, errors) {
this.service = service;
this.serviceName = serviceName;
this.errors = errors;
// Matches {$name}, by default.
this.pattern = /\{\$([^}]+)}/g;
// empty
}
ErrorFactory.prototype.create = function (code, data) {
if (data === undefined) {
data = {};
}
var template = this.errors[code];
var fullCode = this.service + '/' + code;
var message;
if (template === undefined) {
message = 'Error';
}
else {
message = template.replace(this.pattern, function (match, key) {
var value = data[key];
return value !== undefined ? value.toString() : '<' + key + '?>';
});
}
// Service: Error message (service/code).
message = this.serviceName + ': ' + message + ' (' + fullCode + ').';
var err = new FirebaseError(fullCode, message);
// Populate the Error object with message parts for programmatic
// accesses (e.g., e.file).
for (var prop in data) {
if (!data.hasOwnProperty(prop) || prop.slice(-1) === '_') {
continue;
}
err[prop] = data[prop];
}
return err;
};
return ErrorFactory;
}());
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Evaluates a JSON string into a javascript object.
*
* @param {string} str A string containing JSON.
* @return {*} The javascript object representing the specified JSON.
*/
function jsonEval(str) {
return JSON.parse(str);
}
/**
* Returns JSON representing a javascript object.
* @param {*} data Javascript object to be stringified.
* @return {string} The JSON contents of the object.
*/
function stringify(data) {
return JSON.stringify(data);
}
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Decodes a Firebase auth. token into constituent parts.
*
* Notes:
* - May return with invalid / incomplete claims if there's no native base64 decoding support.
* - Doesn't check if the token is actually valid.
*
* @param {?string} token
* @return {{header: *, claims: *, data: *, signature: string}}
*/
var decode = function (token) {
var header = {}, claims = {}, data = {}, signature = '';
try {
var parts = token.split('.');
header = jsonEval(base64Decode(parts[0]) || '');
claims = jsonEval(base64Decode(parts[1]) || '');
signature = parts[2];
data = claims['d'] || {};
delete claims['d'];
}
catch (e) { }
return {
header: header,
claims: claims,
data: data,
signature: signature
};
};
/**
* Decodes a Firebase auth. token and checks the validity of its time-based claims. Will return true if the
* token is within the time window authorized by the 'nbf' (not-before) and 'iat' (issued-at) claims.
*
* Notes:
* - May return a false negative if there's no native base64 decoding support.
* - Doesn't check if the token is actually valid.
*
* @param {?string} token
* @return {boolean}
*/
var isValidTimestamp = function (token) {
var claims = decode(token).claims, now = Math.floor(new Date().getTime() / 1000), validSince, validUntil;
if (typeof claims === 'object') {
if (claims.hasOwnProperty('nbf')) {
validSince = claims['nbf'];
}
else if (claims.hasOwnProperty('iat')) {
validSince = claims['iat'];
}
if (claims.hasOwnProperty('exp')) {
validUntil = claims['exp'];
}
else {
// token will expire after 24h by default
validUntil = validSince + 86400;
}
}
return (now && validSince && validUntil && now >= validSince && now <= validUntil);
};
/**
* Decodes a Firebase auth. token and returns its issued at time if valid, null otherwise.
*
* Notes:
* - May return null if there's no native base64 decoding support.
* - Doesn't check if the token is actually valid.
*
* @param {?string} token
* @return {?number}
*/
var issuedAtTime = function (token) {
var claims = decode(token).claims;
if (typeof claims === 'object' && claims.hasOwnProperty('iat')) {
return claims['iat'];
}
return null;
};
/**
* Decodes a Firebase auth. token and checks the validity of its format. Expects a valid issued-at time.
*
* Notes:
* - May return a false negative if there's no native base64 decoding support.
* - Doesn't check if the token is actually valid.
*
* @param {?string} token
* @return {boolean}
*/
var isValidFormat = function (token) {
var decoded = decode(token), claims = decoded.claims;
return !!claims && typeof claims === 'object' && claims.hasOwnProperty('iat');
};
/**
* Attempts to peer into an auth token and determine if it's an admin auth token by looking at the claims portion.
*
* Notes:
* - May return a false negative if there's no native base64 decoding support.
* - Doesn't check if the token is actually valid.
*
* @param {?string} token
* @return {boolean}
*/
var isAdmin = function (token) {
var claims = decode(token).claims;
return typeof claims === 'object' && claims['admin'] === true;
};
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// See http://www.devthought.com/2012/01/18/an-object-is-not-a-hash/
var contains = function (obj, key) {
return Object.prototype.hasOwnProperty.call(obj, key);
};
var safeGet = function (obj, key) {
if (Object.prototype.hasOwnProperty.call(obj, key))
return obj[key];
// else return undefined.
};
/**
* Enumerates the keys/values in an object, excluding keys defined on the prototype.
*
* @param {?Object.<K,V>} obj Object to enumerate.
* @param {!function(K, V)} fn Function to call for each key and value.
* @template K,V
*/
var forEach = function (obj, fn) {
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
fn(key, obj[key]);
}
}
};
/**
* Copies all the (own) properties from one object to another.
* @param {!Object} objTo
* @param {!Object} objFrom
* @return {!Object} objTo
*/
var extend = function (objTo, objFrom) {
forEach(objFrom, function (key, value) {
objTo[key] = value;
});
return objTo;
};
/**
* Returns a clone of the specified object.
* @param {!Object} obj
* @return {!Object} cloned obj.
*/
var clone = function (obj) {
return extend({}, obj);
};
/**
* Returns true if obj has typeof "object" and is not null. Unlike goog.isObject(), does not return true
* for functions.
*
* @param obj {*} A potential object.
* @returns {boolean} True if it's an object.
*/
var isNonNullObject = function (obj) {
return typeof obj === 'object' && obj !== null;
};
var isEmpty = function (obj) {
for (var key in obj) {
return false;
}
return true;
};
var getCount = function (obj) {
var rv = 0;
for (var key in obj) {
rv++;
}
return rv;
};
var map = function (obj, f, opt_obj) {
var res = {};
for (var key in obj) {
res[key] = f.call(opt_obj, obj[key], key, obj);
}
return res;
};
var findKey = function (obj, fn, opt_this) {
for (var key in obj) {
if (fn.call(opt_this, obj[key], key, obj)) {
return key;
}
}
return undefined;
};
var findValue = function (obj, fn, opt_this) {
var key = findKey(obj, fn, opt_this);
return key && obj[key];
};
var getAnyKey = function (obj) {
for (var key in obj) {
return key;
}
};
var getValues = function (obj) {
var res = [];
var i = 0;
for (var key in obj) {
res[i++] = obj[key];
}
return res;
};
/**
* Tests whether every key/value pair in an object pass the test implemented
* by the provided function
*
* @param {?Object.<K,V>} obj Object to test.
* @param {!function(K, V)} fn Function to call for each key and value.
* @template K,V
*/
var every = function (obj, fn) {
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
if (!fn(key, obj[key])) {
return false;
}
}
}
return true;
};
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Returns a querystring-formatted string (e.g. &arg=val&arg2=val2) from a params
* object (e.g. {arg: 'val', arg2: 'val2'})
* Note: You must prepend it with ? when adding it to a URL.
*
* @param {!Object} querystringParams
* @return {string}
*/
var querystring = function (querystringParams) {
var params = [];
forEach(querystringParams, function (key, value) {
if (Array.isArray(value)) {
value.forEach(function (arrayVal) {
params.push(encodeURIComponent(key) + '=' + encodeURIComponent(arrayVal));
});
}
else {
params.push(encodeURIComponent(key) + '=' + encodeURIComponent(value));
}
});
return params.length ? '&' + params.join('&') : '';
};
/**
* Decodes a querystring (e.g. ?arg=val&arg2=val2) into a params object (e.g. {arg: 'val', arg2: 'val2'})
*
* @param {string} querystring
* @return {!Object}
*/
var querystringDecode = function (querystring) {
var obj = {};
var tokens = querystring.replace(/^\?/, '').split('&');
tokens.forEach(function (token) {
if (token) {
var key = token.split('=');
obj[key[0]] = key[1];
}
});
return obj;
};
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Copyright 2011 The Closure Library Authors. All Rights Reserved.
//
// 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 Abstract cryptographic hash interface.
*
* See Sha1 and Md5 for sample implementations.
*
*/
/**
* Create a cryptographic hash instance.
*
* @constructor
* @struct
*/
var Hash = /** @class */ (function () {
function Hash() {
/**
* The block size for the hasher.
* @type {number}
*/
this.blockSize = -1;
}
return Hash;
}());
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview SHA-1 cryptographic hash.
* Variable names follow the notation in FIPS PUB 180-3:
* http://csrc.nist.gov/publications/fips/fips180-3/fips180-3_final.pdf.
*
* Usage:
* var sha1 = new sha1();
* sha1.update(bytes);
* var hash = sha1.digest();
*
* Performance:
* Chrome 23: ~400 Mbit/s
* Firefox 16: ~250 Mbit/s
*
*/
/**
* SHA-1 cryptographic hash constructor.
*
* The properties declared here are discussed in the above algorithm document.
* @constructor
* @extends {Hash}
* @final
* @struct
*/
var Sha1 = /** @class */ (function (_super) {
tslib_1.__extends(Sha1, _super);
function Sha1() {
var _this = _super.call(this) || this;
/**
* Holds the previous values of accumulated variables a-e in the compress_
* function.
* @type {!Array<number>}
* @private
*/
_this.chain_ = [];
/**
* A buffer holding the partially computed hash result.
* @type {!Array<number>}
* @private
*/
_this.buf_ = [];
/**
* An array of 80 bytes, each a part of the message to be hashed. Referred to
* as the message schedule in the docs.
* @type {!Array<number>}
* @private
*/
_this.W_ = [];
/**
* Contains data needed to pad messages less than 64 bytes.
* @type {!Array<number>}
* @private
*/
_this.pad_ = [];
/**
* @private {number}
*/
_this.inbuf_ = 0;
/**
* @private {number}
*/
_this.total_ = 0;
_this.blockSize = 512 / 8;
_this.pad_[0] = 128;
for (var i = 1; i < _this.blockSize; ++i) {
_this.pad_[i] = 0;
}
_this.reset();
return _this;
}
Sha1.prototype.reset = function () {
this.chain_[0] = 0x67452301;
this.chain_[1] = 0xefcdab89;
this.chain_[2] = 0x98badcfe;
this.chain_[3] = 0x10325476;
this.chain_[4] = 0xc3d2e1f0;
this.inbuf_ = 0;
this.total_ = 0;
};
/**
* Internal compress helper function.
* @param {!Array<number>|!Uint8Array|string} buf Block to compress.
* @param {number=} opt_offset Offset of the block in the buffer.
* @private
*/
Sha1.prototype.compress_ = function (buf, opt_offset) {
if (!opt_offset) {
opt_offset = 0;
}
var W = this.W_;
// get 16 big endian words
if (typeof buf === 'string') {
for (var i = 0; i < 16; i++) {
// TODO(user): [bug 8140122] Recent versions of Safari for Mac OS and iOS
// have a bug that turns the post-increment ++ operator into pre-increment
// during JIT compilation. We have code that depends heavily on SHA-1 for
// correctness and which is affected by this bug, so I've removed all uses
// of post-increment ++ in which the result value is used. We can revert
// this change once the Safari bug
// (https://bugs.webkit.org/show_bug.cgi?id=109036) has been fixed and
// most clients have been updated.
W[i] =
(buf.charCodeAt(opt_offset) << 24) |
(buf.charCodeAt(opt_offset + 1) << 16) |
(buf.charCodeAt(opt_offset + 2) << 8) |
buf.charCodeAt(opt_offset + 3);
opt_offset += 4;
}
}
else {
for (var i = 0; i < 16; i++) {
W[i] =
(buf[opt_offset] << 24) |
(buf[opt_offset + 1] << 16) |
(buf[opt_offset + 2] << 8) |
buf[opt_offset + 3];
opt_offset += 4;
}
}
// expand to 80 words
for (var i = 16; i < 80; i++) {
var t = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16];
W[i] = ((t << 1) | (t >>> 31)) & 0xffffffff;
}
var a = this.chain_[0];
var b = this.chain_[1];
var c = this.chain_[2];
var d = this.chain_[3];
var e = this.chain_[4];
var f, k;
// TODO(user): Try to unroll this loop to speed up the computation.
for (var i = 0; i < 80; i++) {
if (i < 40) {
if (i < 20) {
f = d ^ (b & (c ^ d));
k = 0x5a827999;
}
else {
f = b ^ c ^ d;
k = 0x6ed9eba1;
}
}
else {
if (i < 60) {
f = (b & c) | (d & (b | c));
k = 0x8f1bbcdc;
}
else {
f = b ^ c ^ d;
k = 0xca62c1d6;
}
}
var t = (((a << 5) | (a >>> 27)) + f + e + k + W[i]) & 0xffffffff;
e = d;
d = c;
c = ((b << 30) | (b >>> 2)) & 0xffffffff;
b = a;
a = t;
}
this.chain_[0] = (this.chain_[0] + a) & 0xffffffff;
this.chain_[1] = (this.chain_[1] + b) & 0xffffffff;
this.chain_[2] = (this.chain_[2] + c) & 0xffffffff;
this.chain_[3] = (this.chain_[3] + d) & 0xffffffff;
this.chain_[4] = (this.chain_[4] + e) & 0xffffffff;
};
Sha1.prototype.update = function (bytes, opt_length) {
// TODO(johnlenz): tighten the function signature and remove this check
if (bytes == null) {
return;
}
if (opt_length === undefined) {
opt_length = bytes.length;
}
var lengthMinusBlock = opt_length - this.blockSize;
var n = 0;
// Using local instead of member variables gives ~5% speedup on Firefox 16.
var buf = this.buf_;
var inbuf = this.inbuf_;
// The outer while loop should execute at most twice.
while (n < opt_length) {
// When we have no data in the block to top up, we can directly process the
// input buffer (assuming it contains sufficient data). This gives ~25%
// speedup on Chrome 23 and ~15% speedup on Firefox 16, but requires that
// the data is provided in large chunks (or in multiples of 64 bytes).
if (inbuf == 0) {
while (n <= lengthMinusBlock) {
this.compress_(bytes, n);
n += this.blockSize;
}
}
if (typeof bytes === 'string') {
while (n < opt_length) {
buf[inbuf] = bytes.charCodeAt(n);
++inbuf;
++n;
if (inbuf == this.blockSize) {
this.compress_(buf);
inbuf = 0;
// Jump to the outer loop so we use the full-block optimization.
break;
}
}
}
else {
while (n < opt_length) {
buf[inbuf] = bytes[n];
++inbuf;
++n;
if (inbuf == this.blockSize) {
this.compress_(buf);
inbuf = 0;
// Jump to the outer loop so we use the full-block optimization.
break;
}
}
}
}
this.inbuf_ = inbuf;
this.total_ += opt_length;
};
/** @override */
Sha1.prototype.digest = function () {
var digest = [];
var totalBits = this.total_ * 8;
// Add pad 0x80 0x00*.
if (this.inbuf_ < 56) {
this.update(this.pad_, 56 - this.inbuf_);
}
else {
this.update(this.pad_, this.blockSize - (this.inbuf_ - 56));
}
// Add # bits.
for (var i = this.blockSize - 1; i >= 56; i--) {
this.buf_[i] = totalBits & 255;
totalBits /= 256; // Don't use bit-shifting here!
}
this.compress_(this.buf_);
var n = 0;
for (var i = 0; i < 5; i++) {
for (var j = 24; j >= 0; j -= 8) {
digest[n] = (this.chain_[i] >> j) & 255;
++n;
}
}
return digest;
};
return Sha1;
}(Hash));
/**
* Helper to make a Subscribe function (just like Promise helps make a
* Thenable).
*
* @param executor Function which can make calls to a single Observer
* as a proxy.
* @param onNoObservers Callback when count of Observers goes to zero.
*/
function createSubscribe(executor, onNoObservers) {
var proxy = new ObserverProxy(executor, onNoObservers);
return proxy.subscribe.bind(proxy);
}
/**
* Implement fan-out for any number of Observers attached via a subscribe
* function.
*/
var ObserverProxy = /** @class */ (function () {
/**
* @param executor Function which can make calls to a single Observer
* as a proxy.
* @param onNoObservers Callback when count of Observers goes to zero.
*/
function ObserverProxy(executor, onNoObservers) {
var _this = this;
this.observers = [];
this.unsubscribes = [];
this.observerCount = 0;
// Micro-task scheduling by calling task.then().
this.task = Promise.resolve();
this.finalized = false;
this.onNoObservers = onNoObservers;
// Call the executor asynchronously so subscribers that are called
// synchronously after the creation of the subscribe function
// can still receive the very first value generated in the executor.
this.task
.then(function () {
executor(_this);
})
.catch(function (e) {
_this.error(e);
});
}
ObserverProxy.prototype.next = function (value) {
this.forEachObserver(function (observer) {
observer.next(value);
});
};
ObserverProxy.prototype.error = function (error) {
this.forEachObserver(function (observer) {
observer.error(error);
});
this.close(error);
};
ObserverProxy.prototype.complete = function () {
this.forEachObserver(function (observer) {
observer.complete();
});
this.close();
};
/**
* Subscribe function that can be used to add an Observer to the fan-out list.
*
* - We require that no event is sent to a subscriber sychronously to their
* call to subscribe().
*/
ObserverProxy.prototype.subscribe = function (nextOrObserver, error, complete) {
var _this = this;
var observer;
if (nextOrObserver === undefined &&
error === undefined &&
complete === undefined) {
throw new Error('Missing Observer.');
}
// Assemble an Observer object when passed as callback functions.
if (implementsAnyMethods(nextOrObserver, ['next', 'error', 'complete'])) {
observer = nextOrObserver;
}
else {
observer = {
next: nextOrObserver,
error: error,
complete: complete
};
}
if (observer.next === undefined) {
observer.next = noop;
}
if (observer.error === undefined) {
observer.error = noop;
}
if (observer.complete === undefined) {
observer.complete = noop;
}
var unsub = this.unsubscribeOne.bind(this, this.observers.length);
// Attempt to subscribe to a terminated Observable - we
// just respond to the Observer with the final error or complete
// event.
if (this.finalized) {
this.task.then(function () {
try {
if (_this.finalError) {
observer.error(_this.finalError);
}
else {
observer.complete();
}
}
catch (e) {
// nothing
}
return;
});
}
this.observers.push(observer);
return unsub;
};
// Unsubscribe is synchronous - we guarantee that no events are sent to
// any unsubscribed Observer.
ObserverProxy.prototype.unsubscribeOne = function (i) {
if (this.observers === undefined || this.observers[i] === undefined) {
return;
}
delete this.observers[i];
this.observerCount -= 1;
if (this.observerCount === 0 && this.onNoObservers !== undefined) {
this.onNoObservers(this);
}
};
ObserverProxy.prototype.forEachObserver = function (fn) {
if (this.finalized) {
// Already closed by previous event....just eat the additional values.
return;
}
// Since sendOne calls asynchronously - there is no chance that
// this.observers will become undefined.
for (var i = 0; i < this.observers.length; i++) {
this.sendOne(i, fn);
}
};
// Call the Observer via one of it's callback function. We are careful to
// confirm that the observe has not been unsubscribed since this asynchronous
// function had been queued.
ObserverProxy.prototype.sendOne = function (i, fn) {
var _this = this;
// Execute the callback asynchronously
this.task.then(function () {
if (_this.observers !== undefined && _this.observers[i] !== undefined) {
try {
fn(_this.observers[i]);
}
catch (e) {
// Ignore exceptions raised in Observers or missing methods of an
// Observer.
// Log error to console. b/31404806
if (typeof console !== 'undefined' && console.error) {
console.error(e);
}
}
}
});
};
ObserverProxy.prototype.close = function (err) {
var _this = this;
if (this.finalized) {
return;
}
this.finalized = true;
if (err !== undefined) {
this.finalError = err;
}
// Proxy is no longer needed - garbage collect references
this.task.then(function () {
_this.observers = undefined;
_this.onNoObservers = undefined;
});
};
return ObserverProxy;
}());
/** Turn synchronous function into one called asynchronously. */
function async(fn, onError) {
return function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
Promise.resolve(true)
.then(function () {
fn.apply(void 0, args);
})
.catch(function (error) {
if (onError) {
onError(error);
}
});
};
}
/**
* Return true if the object passed in implements any of the named methods.
*/
function implementsAnyMethods(obj, methods) {
if (typeof obj !== 'object' || obj === null) {
return false;
}
for (var _i = 0, methods_1 = methods; _i < methods_1.length; _i++) {
var method = methods_1[_i];
if (method in obj && typeof obj[method] === 'function') {
return true;
}
}
return false;
}
function noop() {
// do nothing
}
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Check to make sure the appropriate number of arguments are provided for a public function.
* Throws an error if it fails.
*
* @param {!string} fnName The function name
* @param {!number} minCount The minimum number of arguments to allow for the function call
* @param {!number} maxCount The maximum number of argument to allow for the function call
* @param {!number} argCount The actual number of arguments provided.
*/
var validateArgCount = function (fnName, minCount, maxCount, argCount) {
var argError;
if (argCount < minCount) {
argError = 'at least ' + minCount;
}
else if (argCount > maxCount) {
argError = maxCount === 0 ? 'none' : 'no more than ' + maxCount;
}
if (argError) {
var error = fnName +
' failed: Was called with ' +
argCount +
(argCount === 1 ? ' argument.' : ' arguments.') +
' Expects ' +
argError +
'.';
throw new Error(error);
}
};
/**
* Generates a string to prefix an error message about failed argument validation
*
* @param {!string} fnName The function name
* @param {!number} argumentNumber The index of the argument
* @param {boolean} optional Whether or not the argument is optional
* @return {!string} The prefix to add to the error thrown for validation.
*/
function errorPrefix(fnName, argumentNumber, optional) {
var argName = '';
switch (argumentNumber) {
case 1:
argName = optional ? 'first' : 'First';
break;
case 2:
argName = optional ? 'second' : 'Second';
break;
case 3:
argName = optional ? 'third' : 'Third';
break;
case 4:
argName = optional ? 'fourth' : 'Fourth';
break;
default:
throw new Error('errorPrefix called with argumentNumber > 4. Need to update it?');
}
var error = fnName + ' failed: ';
error += argName + ' argument ';
return error;
}
/**
* @param {!string} fnName
* @param {!number} argumentNumber
* @param {!string} namespace
* @param {boolean} optional
*/
function validateNamespace(fnName, argumentNumber, namespace, optional) {
if (optional && !namespace)
return;
if (typeof namespace !== 'string') {
//TODO: I should do more validation here. We only allow certain chars in namespaces.
throw new Error(errorPrefix(fnName, argumentNumber, optional) +
'must be a valid firebase namespace.');
}
}
function validateCallback(fnName, argumentNumber, callback, optional) {
if (optional && !callback)
return;
if (typeof callback !== 'function')
throw new Error(errorPrefix(fnName, argumentNumber, optional) +
'must be a valid function.');
}
function validateContextObject(fnName, argumentNumber, context, optional) {
if (optional && !context)
return;
if (typeof context !== 'object' || context === null)
throw new Error(errorPrefix(fnName, argumentNumber, optional) +
'must be a valid context object.');
}
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Code originally came from goog.crypt.stringToUtf8ByteArray, but for some reason they
// automatically replaced '\r\n' with '\n', and they didn't handle surrogate pairs,
// so it's been modified.
// Note that not all Unicode characters appear as single characters in JavaScript strings.
// fromCharCode returns the UTF-16 encoding of a character - so some Unicode characters
// use 2 characters in Javascript. All 4-byte UTF-8 characters begin with a first
// character in the range 0xD800 - 0xDBFF (the first character of a so-called surrogate
// pair).
// See http://www.ecma-international.org/ecma-262/5.1/#sec-15.1.3
/**
* @param {string} str
* @return {Array}
*/
var stringToByteArray$1 = function (str) {
var out = [], p = 0;
for (var i = 0; i < str.length; i++) {
var c = str.charCodeAt(i);
// Is this the lead surrogate in a surrogate pair?
if (c >= 0xd800 && c <= 0xdbff) {
var high = c - 0xd800; // the high 10 bits.
i++;
assert(i < str.length, 'Surrogate pair missing trail surrogate.');
var low = str.charCodeAt(i) - 0xdc00; // the low 10 bits.
c = 0x10000 + (high << 10) + low;
}
if (c < 128) {
out[p++] = c;
}
else if (c < 2048) {
out[p++] = (c >> 6) | 192;
out[p++] = (c & 63) | 128;
}
else if (c < 65536) {
out[p++] = (c >> 12) | 224;
out[p++] = ((c >> 6) & 63) | 128;
out[p++] = (c & 63) | 128;
}
else {
out[p++] = (c >> 18) | 240;
out[p++] = ((c >> 12) & 63) | 128;
out[p++] = ((c >> 6) & 63) | 128;
out[p++] = (c & 63) | 128;
}
}
return out;
};
/**
* Calculate length without actually converting; useful for doing cheaper validation.
* @param {string} str
* @return {number}
*/
var stringLength = function (str) {
var p = 0;
for (var i = 0; i < str.length; i++) {
var c = str.charCodeAt(i);
if (c < 128) {
p++;
}
else if (c < 2048) {
p += 2;
}
else if (c >= 0xd800 && c <= 0xdbff) {
// Lead surrogate of a surrogate pair. The pair together will take 4 bytes to represent.
p += 4;
i++; // skip trail surrogate.
}
else {
p += 3;
}
}
return p;
};
/**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
exports.assert = assert;
exports.assertionError = assertionError;
exports.base64 = base64;
exports.base64Decode = base64Decode;
exports.base64Encode = base64Encode;
exports.CONSTANTS = CONSTANTS;
exports.deepCopy = deepCopy;
exports.deepExtend = deepExtend;
exports.patchProperty = patchProperty;
exports.Deferred = Deferred;
exports.getUA = getUA;
exports.isMobileCordova = isMobileCordova;
exports.isNodeSdk = isNodeSdk;
exports.isReactNative = isReactNative;
exports.ErrorFactory = ErrorFactory;
exports.FirebaseError = FirebaseError;
exports.patchCapture = patchCapture;
exports.jsonEval = jsonEval;
exports.stringify = stringify;
exports.decode = decode;
exports.isAdmin = isAdmin;
exports.issuedAtTime = issuedAtTime;
exports.isValidFormat = isValidFormat;
exports.isValidTimestamp = isValidTimestamp;
exports.clone = clone;
exports.contains = contains;
exports.every = every;
exports.extend = extend;
exports.findKey = findKey;
exports.findValue = findValue;
exports.forEach = forEach;
exports.getAnyKey = getAnyKey;
exports.getCount = getCount;
exports.getValues = getValues;
exports.isEmpty = isEmpty;
exports.isNonNullObject = isNonNullObject;
exports.map = map;
exports.safeGet = safeGet;
exports.querystring = querystring;
exports.querystringDecode = querystringDecode;
exports.Sha1 = Sha1;
exports.async = async;
exports.createSubscribe = createSubscribe;
exports.errorPrefix = errorPrefix;
exports.validateArgCount = validateArgCount;
exports.validateCallback = validateCallback;
exports.validateContextObject = validateContextObject;
exports.validateNamespace = validateNamespace;
exports.stringLength = stringLength;
exports.stringToByteArray = stringToByteArray$1;
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