110 lines
3.1 KiB
JavaScript
110 lines
3.1 KiB
JavaScript
'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;
|
|
// 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;
|
|
var opaque = { boolean: true, number: true, string: true };
|
|
function deepCopy(object, frozen) {
|
|
if (object === undefined || object === null || opaque[typeof (object)]) {
|
|
return object;
|
|
}
|
|
if (Array.isArray(object)) {
|
|
var result_1 = [];
|
|
object.forEach(function (item) {
|
|
result_1.push(deepCopy(item, frozen));
|
|
});
|
|
if (frozen) {
|
|
Object.freeze(result_1);
|
|
}
|
|
return result_1;
|
|
}
|
|
if (typeof (object) === 'object') {
|
|
// Some internal objects, which are already immutable
|
|
if (isType(object, 'BigNumber')) {
|
|
return object;
|
|
}
|
|
if (isType(object, 'Description')) {
|
|
return object;
|
|
}
|
|
if (isType(object, 'Indexed')) {
|
|
return object;
|
|
}
|
|
var result = {};
|
|
for (var key in object) {
|
|
var value = object[key];
|
|
if (value === undefined) {
|
|
continue;
|
|
}
|
|
defineReadOnly(result, key, deepCopy(value, frozen));
|
|
}
|
|
if (frozen) {
|
|
Object.freeze(result);
|
|
}
|
|
return result;
|
|
}
|
|
throw new Error('Cannot deepCopy ' + typeof (object));
|
|
}
|
|
exports.deepCopy = deepCopy;
|
|
// 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;
|