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-rw-r--r--lib/forever.js15
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diff --git a/lib/forever.js b/lib/forever.js
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+import noop from 'lodash/utility/noop';
+
+import onlyOnce from './internal/onlyOnce';
+import ensureAsync from './ensureAsync';
+
+export default function forever(fn, cb) {
+ var done = onlyOnce(cb || noop);
+ var task = ensureAsync(fn);
+
+ function next(err) {
+ if (err) return done(err);
+ task(next);
+ }
+ next();
+}