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-# @gar/promisify
-
-### Promisify an entire object or class instance
-
-This module leverages es6 Proxy and Reflect to promisify every function in an
-object or class instance.
-
-It assumes the callback that the function is expecting is the last
-parameter, and that it is an error-first callback with only one value,
-i.e. `(err, value) => ...`. This mirrors node's `util.promisify` method.
-
-In order that you can use it as a one-stop-shop for all your promisify
-needs, you can also pass it a function. That function will be
-promisified as normal using node's built-in `util.promisify` method.
-
-[node's custom promisified
-functions](https://nodejs.org/api/util.html#util_custom_promisified_functions)
-will also be mirrored, further allowing this to be a drop-in replacement
-for the built-in `util.promisify`.
-
-### Examples
-
-Promisify an entire object
-
-```javascript
-
-const promisify = require('@gar/promisify')
-
-class Foo {
- constructor (attr) {
- this.attr = attr
- }
-
- double (input, cb) {
- cb(null, input * 2)
- }
-
-const foo = new Foo('baz')
-const promisified = promisify(foo)
-
-console.log(promisified.attr)
-console.log(await promisified.double(1024))
-```
-
-Promisify a function
-
-```javascript
-
-const promisify = require('@gar/promisify')
-
-function foo (a, cb) {
- if (a !== 'bad') {
- return cb(null, 'ok')
- }
- return cb('not ok')
-}
-
-const promisified = promisify(foo)
-
-// This will resolve to 'ok'
-promisified('good')
-
-// this will reject
-promisified('bad')
-```