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Текущая директория: /opt/BitGoJS/node_modules/@stacks/common/dist/esm
Просмотр файла: utils.js
import { Logger } from './logger';
import { Buffer as BufferPolyfill } from 'buffer/';
import BN from 'bn.js';
const AvailableBufferModule = typeof Buffer !== 'undefined' ? Buffer : BufferPolyfill;
export { AvailableBufferModule as Buffer };
export const BLOCKSTACK_HANDLER = 'blockstack';
export function nextYear() {
return new Date(new Date().setFullYear(new Date().getFullYear() + 1));
}
export function nextMonth() {
return new Date(new Date().setMonth(new Date().getMonth() + 1));
}
export function nextHour() {
return new Date(new Date().setHours(new Date().getHours() + 1));
}
export function megabytesToBytes(megabytes) {
if (!Number.isFinite(megabytes)) {
return 0;
}
return Math.floor(megabytes * 1024 * 1024);
}
export function getAesCbcOutputLength(inputByteLength) {
const cipherTextLength = (Math.floor(inputByteLength / 16) + 1) * 16;
return cipherTextLength;
}
export function getBase64OutputLength(inputByteLength) {
const encodedLength = Math.ceil(inputByteLength / 3) * 4;
return encodedLength;
}
export function updateQueryStringParameter(uri, key, value) {
const re = new RegExp(`([?&])${key}=.*?(&|$)`, 'i');
const separator = uri.indexOf('?') !== -1 ? '&' : '?';
if (uri.match(re)) {
return uri.replace(re, `$1${key}=${value}$2`);
}
else {
return `${uri}${separator}${key}=${value}`;
}
}
export function isLaterVersion(v1, v2) {
if (v1 === undefined || v1 === '') {
v1 = '0.0.0';
}
if (v2 === undefined || v1 === '') {
v2 = '0.0.0';
}
const v1tuple = v1.split('.').map(x => parseInt(x, 10));
const v2tuple = v2.split('.').map(x => parseInt(x, 10));
for (let index = 0; index < v2.length; index++) {
if (index >= v1.length) {
v2tuple.push(0);
}
if (v1tuple[index] < v2tuple[index]) {
return false;
}
}
return true;
}
export function makeUUID4() {
let d = new Date().getTime();
if (typeof performance !== 'undefined' && typeof performance.now === 'function') {
d += performance.now();
}
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
const r = (d + Math.random() * 16) % 16 | 0;
d = Math.floor(d / 16);
return (c === 'x' ? r : (r & 0x3) | 0x8).toString(16);
});
}
export function isSameOriginAbsoluteUrl(uri1, uri2) {
try {
const parsedUri1 = new URL(uri1);
const parsedUri2 = new URL(uri2);
const port1 = parseInt(parsedUri1.port || '0', 10) | 0 || (parsedUri1.protocol === 'https:' ? 443 : 80);
const port2 = parseInt(parsedUri2.port || '0', 10) | 0 || (parsedUri2.protocol === 'https:' ? 443 : 80);
const match = {
scheme: parsedUri1.protocol === parsedUri2.protocol,
hostname: parsedUri1.hostname === parsedUri2.hostname,
port: port1 === port2,
absolute: (uri1.includes('http://') || uri1.includes('https://')) &&
(uri2.includes('http://') || uri2.includes('https://')),
};
return match.scheme && match.hostname && match.port && match.absolute;
}
catch (error) {
console.log(error);
console.log('Parsing error in same URL origin check');
return false;
}
}
export function getGlobalScope() {
if (typeof self !== 'undefined') {
return self;
}
if (typeof window !== 'undefined') {
return window;
}
if (typeof global !== 'undefined') {
return global;
}
throw new Error('Unexpected runtime environment - no supported global scope (`window`, `self`, `global`) available');
}
function getAPIUsageErrorMessage(scopeObject, apiName, usageDesc) {
if (usageDesc) {
return `Use of '${usageDesc}' requires \`${apiName}\` which is unavailable on the '${scopeObject}' object within the currently executing environment.`;
}
else {
return `\`${apiName}\` is unavailable on the '${scopeObject}' object within the currently executing environment.`;
}
}
export function getGlobalObject(name, { throwIfUnavailable, usageDesc, returnEmptyObject } = {}) {
let globalScope = undefined;
try {
globalScope = getGlobalScope();
if (globalScope) {
const obj = globalScope[name];
if (obj) {
return obj;
}
}
}
catch (error) {
Logger.error(`Error getting object '${name}' from global scope '${globalScope}': ${error}`);
}
if (throwIfUnavailable) {
const errMsg = getAPIUsageErrorMessage(globalScope, name.toString(), usageDesc);
Logger.error(errMsg);
throw new Error(errMsg);
}
if (returnEmptyObject) {
return {};
}
return undefined;
}
export function getGlobalObjects(names, { throwIfUnavailable, usageDesc, returnEmptyObject } = {}) {
let globalScope;
try {
globalScope = getGlobalScope();
}
catch (error) {
Logger.error(`Error getting global scope: ${error}`);
if (throwIfUnavailable) {
const errMsg = getAPIUsageErrorMessage(globalScope, names[0].toString(), usageDesc);
Logger.error(errMsg);
throw errMsg;
}
else if (returnEmptyObject) {
globalScope = {};
}
}
const result = {};
for (let i = 0; i < names.length; i++) {
const name = names[i];
try {
if (globalScope) {
const obj = globalScope[name];
if (obj) {
result[name] = obj;
}
else if (throwIfUnavailable) {
const errMsg = getAPIUsageErrorMessage(globalScope, name.toString(), usageDesc);
Logger.error(errMsg);
throw new Error(errMsg);
}
else if (returnEmptyObject) {
result[name] = {};
}
}
}
catch (error) {
if (throwIfUnavailable) {
const errMsg = getAPIUsageErrorMessage(globalScope, name.toString(), usageDesc);
Logger.error(errMsg);
throw new Error(errMsg);
}
}
}
return result;
}
export function intToBytes(value, signed, byteLength) {
return intToBN(value, signed).toArrayLike(AvailableBufferModule, 'be', byteLength);
}
export function intToBN(value, signed) {
const bigInt = intToBigInt(value, signed);
return new BN(bigInt.toString());
}
export function intToBigInt(value, signed) {
let parsedValue = value;
if (typeof parsedValue === 'number') {
if (!Number.isInteger(parsedValue)) {
throw new RangeError(`Invalid value. Values of type 'number' must be an integer.`);
}
return BigInt(parsedValue);
}
if (typeof parsedValue === 'string') {
if (parsedValue.toLowerCase().startsWith('0x')) {
let hex = parsedValue.slice(2);
hex = hex.padStart(hex.length + (hex.length % 2), '0');
parsedValue = AvailableBufferModule.from(hex, 'hex');
}
else {
try {
return BigInt(parsedValue);
}
catch (error) {
if (error instanceof SyntaxError) {
throw new RangeError(`Invalid value. String integer '${parsedValue}' is not finite.`);
}
}
}
}
if (typeof parsedValue === 'bigint') {
return parsedValue;
}
if (parsedValue instanceof Uint8Array || AvailableBufferModule.isBuffer(parsedValue)) {
if (signed) {
const bn = new BN(parsedValue, 'be').fromTwos(parsedValue.byteLength * 8);
return BigInt(bn.toString());
}
else {
return BigInt(new BN(parsedValue, 'be').toString());
}
}
if (parsedValue instanceof BN || BN.isBN(parsedValue)) {
return BigInt(parsedValue.toString());
}
throw new TypeError(`Invalid value type. Must be a number, bigint, integer-string, hex-string, BN.js instance, or Buffer.`);
}
export function with0x(value) {
return !value.startsWith('0x') ? `0x${value}` : value;
}
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