aboutsummaryrefslogtreecommitdiff
path: root/node_modules/async/internal/wrapAsync.js
diff options
context:
space:
mode:
authorFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
commitde98e0b232509d5f40c135d540a70e415272ff85 (patch)
treea79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/async/internal/wrapAsync.js
parente0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff)
node_modules
Diffstat (limited to 'node_modules/async/internal/wrapAsync.js')
-rw-r--r--node_modules/async/internal/wrapAsync.js41
1 files changed, 41 insertions, 0 deletions
diff --git a/node_modules/async/internal/wrapAsync.js b/node_modules/async/internal/wrapAsync.js
new file mode 100644
index 000000000..862dc90f2
--- /dev/null
+++ b/node_modules/async/internal/wrapAsync.js
@@ -0,0 +1,41 @@
+'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; \ No newline at end of file