126 lines
4.4 KiB
JavaScript
126 lines
4.4 KiB
JavaScript
"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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import { Logger } from "@ethersproject/logger";
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import { version } from "./_version";
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const logger = new Logger(version);
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export function defineReadOnly(object, name, value) {
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Object.defineProperty(object, name, {
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enumerable: true,
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value: value,
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writable: false,
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});
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}
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// Crawl up the constructor chain to find a static method
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export function getStatic(ctor, key) {
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for (let i = 0; i < 32; i++) {
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if (ctor[key]) {
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return ctor[key];
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}
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if (!ctor.prototype || typeof (ctor.prototype) !== "object") {
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break;
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}
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ctor = Object.getPrototypeOf(ctor.prototype).constructor;
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}
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return null;
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}
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export function resolveProperties(object) {
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return __awaiter(this, void 0, void 0, function* () {
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const promises = Object.keys(object).map((key) => {
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const value = object[key];
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return Promise.resolve(value).then((v) => ({ key: key, value: v }));
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});
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const results = yield Promise.all(promises);
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return results.reduce((accum, result) => {
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accum[(result.key)] = result.value;
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return accum;
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}, {});
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});
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}
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export function checkProperties(object, properties) {
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if (!object || typeof (object) !== "object") {
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logger.throwArgumentError("invalid object", "object", object);
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}
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Object.keys(object).forEach((key) => {
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if (!properties[key]) {
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logger.throwArgumentError("invalid object key - " + key, "transaction:" + key, object);
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}
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});
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}
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export function shallowCopy(object) {
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const result = {};
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for (const key in object) {
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result[key] = object[key];
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}
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return result;
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}
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const opaque = { bigint: true, boolean: true, "function": true, number: true, string: true };
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function _isFrozen(object) {
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// Opaque objects are not mutable, so safe to copy by assignment
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if (object === undefined || object === null || opaque[typeof (object)]) {
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return true;
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}
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if (Array.isArray(object) || typeof (object) === "object") {
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if (!Object.isFrozen(object)) {
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return false;
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}
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const keys = Object.keys(object);
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for (let i = 0; i < keys.length; i++) {
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let value = null;
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try {
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value = object[keys[i]];
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}
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catch (error) {
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// If accessing a value triggers an error, it is a getter
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// designed to do so (e.g. Result) and is therefore "frozen"
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continue;
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}
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if (!_isFrozen(value)) {
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return false;
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}
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}
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return true;
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}
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return logger.throwArgumentError(`Cannot deepCopy ${typeof (object)}`, "object", object);
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}
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// Returns a new copy of object, such that no properties may be replaced.
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// New properties may be added only to objects.
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function _deepCopy(object) {
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if (_isFrozen(object)) {
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return object;
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}
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// Arrays are mutable, so we need to create a copy
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if (Array.isArray(object)) {
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return Object.freeze(object.map((item) => deepCopy(item)));
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}
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if (typeof (object) === "object") {
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const result = {};
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for (const key in object) {
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const value = object[key];
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if (value === undefined) {
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continue;
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}
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defineReadOnly(result, key, deepCopy(value));
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}
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return result;
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}
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return logger.throwArgumentError(`Cannot deepCopy ${typeof (object)}`, "object", object);
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}
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export function deepCopy(object) {
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return _deepCopy(object);
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}
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export class Description {
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constructor(info) {
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for (const key in info) {
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this[key] = deepCopy(info[key]);
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}
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}
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}
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//# sourceMappingURL=index.js.map
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