ethers.js/packages/properties/lib/index.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
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var logger_1 = require("@ethersproject/logger");
var _version_1 = require("./_version");
var logger = new logger_1.Logger(_version_1.version);
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function defineReadOnly(object, name, value) {
Object.defineProperty(object, name, {
enumerable: true,
value: value,
writable: false,
});
}
exports.defineReadOnly = defineReadOnly;
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// Crawl up the constructor chain to find a static method
function getStatic(ctor, key) {
for (var i = 0; i < 32; i++) {
if (ctor[key]) {
return ctor[key];
}
if (!ctor.prototype || typeof (ctor.prototype) !== "object") {
break;
}
ctor = Object.getPrototypeOf(ctor.prototype).constructor;
}
return null;
}
exports.getStatic = getStatic;
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function resolveProperties(object) {
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var promises = Object.keys(object).map(function (key) {
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var value = object[key];
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if (!(value instanceof Promise)) {
return Promise.resolve({ key: key, value: value });
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}
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return value.then(function (value) {
return { key: key, value: value };
});
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});
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return Promise.all(promises).then(function (results) {
var result = {};
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return (results.reduce(function (accum, result) {
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accum[result.key] = result.value;
return accum;
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}, result));
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});
}
exports.resolveProperties = resolveProperties;
function checkProperties(object, properties) {
if (!object || typeof (object) !== "object") {
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logger.throwArgumentError("invalid object", "object", object);
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}
Object.keys(object).forEach(function (key) {
if (!properties[key]) {
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logger.throwArgumentError("invalid object key - " + key, "transaction:" + key, object);
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}
});
}
exports.checkProperties = checkProperties;
function shallowCopy(object) {
var result = {};
for (var key in object) {
result[key] = object[key];
}
return result;
}
exports.shallowCopy = shallowCopy;
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var opaque = { bigint: true, boolean: true, number: true, string: true };
// Returns a new copy of object, such that no properties may be replaced.
// New properties may be added only to objects.
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function _deepCopy(object) {
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// Opaque objects are not mutable, so safe to copy by assignment
if (object === undefined || object === null || opaque[typeof (object)]) {
return object;
}
// Arrays are mutable, so we need to create a copy
if (Array.isArray(object)) {
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return Object.freeze(object.map(function (item) { return deepCopy(item); }));
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}
if (typeof (object) === "object") {
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// Immutable objects are safe to just use
if (Object.isFrozen(object)) {
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return object;
}
var result = {};
for (var key in object) {
var value = object[key];
if (value === undefined) {
continue;
}
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defineReadOnly(result, key, deepCopy(value));
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}
return result;
}
// The function type is also immutable, so safe to copy by assignment
if (typeof (object) === "function") {
return object;
}
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logger.throwArgumentError("Cannot deepCopy " + typeof (object), "object", object);
}
function deepCopy(object) {
return _deepCopy(object);
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}
exports.deepCopy = deepCopy;
var Description = /** @class */ (function () {
function Description(info) {
for (var key in info) {
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this[key] = deepCopy(info[key]);
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}
}
return Description;
}());
exports.Description = Description;