wrapAsync.js
952 Bytes
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.isAsyncIterable = exports.isAsyncGenerator = exports.isAsync = undefined;
var _asyncify = require('../asyncify');
var _asyncify2 = _interopRequireDefault(_asyncify);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function isAsync(fn) {
return fn[Symbol.toStringTag] === 'AsyncFunction';
}
function isAsyncGenerator(fn) {
return fn[Symbol.toStringTag] === 'AsyncGenerator';
}
function isAsyncIterable(obj) {
return typeof obj[Symbol.asyncIterator] === 'function';
}
function wrapAsync(asyncFn) {
if (typeof asyncFn !== 'function') throw new Error('expected a function');
return isAsync(asyncFn) ? (0, _asyncify2.default)(asyncFn) : asyncFn;
}
exports.default = wrapAsync;
exports.isAsync = isAsync;
exports.isAsyncGenerator = isAsyncGenerator;
exports.isAsyncIterable = isAsyncIterable;