ethers.js/utils/properties.js

'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
function defineReadOnly(object, name, value) {
    Object.defineProperty(object, name, {
        enumerable: true,
        value: value,
        writable: false,
    });
}
exports.defineReadOnly = defineReadOnly;
function defineFrozen(object, name, value) {
    var frozen = JSON.stringify(value);
    Object.defineProperty(object, name, {
        enumerable: true,
        get: function () { return JSON.parse(frozen); }
    });
}
exports.defineFrozen = defineFrozen;
// There are some issues with instanceof with npm link, so we use this
// to ensure types are what we expect.
function setType(object, type) {
    Object.defineProperty(object, '_ethersType', { configurable: false, value: type, writable: false });
}
exports.setType = setType;
function isType(object, type) {
    return (object && object._ethersType === type);
}
exports.isType = isType;
function resolveProperties(object) {
    var result = {};
    var promises = [];
    Object.keys(object).forEach(function (key) {
        var value = object[key];
        if (value instanceof Promise) {
            promises.push(value.then(function (value) {
                result[key] = value;
                return null;
            }));
        }
        else {
            result[key] = value;
        }
    });
    return Promise.all(promises).then(function () {
        return result;
    });
}
exports.resolveProperties = resolveProperties;
function shallowCopy(object) {
    var result = {};
    for (var key in object) {
        result[key] = object[key];
    }
    return result;
}
exports.shallowCopy = shallowCopy;
function jsonCopy(object) {
    return JSON.parse(JSON.stringify(object));
}
exports.jsonCopy = jsonCopy;
// See: https://github.com/isaacs/inherits/blob/master/inherits_browser.js
function inherits(ctor, superCtor) {
    ctor.super_ = superCtor;
    ctor.prototype = Object.create(superCtor.prototype, {
        constructor: {
            value: ctor,
            enumerable: false,
            writable: true,
            configurable: true
        }
    });
}
function inheritable(parent) {
    return function (child) {
        inherits(child, parent);
        defineReadOnly(child, 'inherits', inheritable(child));
    };
}
exports.inheritable = inheritable;