wallet-core/node_modules/async/internal/wrapAsync.js

41 lines
1.0 KiB
JavaScript
Raw Normal View History

2017-05-03 15:35:00 +02:00
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.isAsync = exports.supportsAsync = undefined;
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
var _asyncify = require('../asyncify');
var _asyncify2 = _interopRequireDefault(_asyncify);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var supportsSymbol = typeof Symbol === 'function';
function supportsAsync() {
var supported;
try {
/* eslint no-eval: 0 */
supported = isAsync(eval('(async function () {})'));
} catch (e) {
supported = false;
}
return supported;
}
function isAsync(fn) {
return supportsSymbol && fn[Symbol.toStringTag] === 'AsyncFunction';
}
function wrapAsync(asyncFn) {
return isAsync(asyncFn) ? (0, _asyncify2.default)(asyncFn) : asyncFn;
}
exports.default = supportsAsync() ? wrapAsync : _identity2.default;
exports.supportsAsync = supportsAsync;
exports.isAsync = isAsync;