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docs/apis/AsyncStorage.md

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+# AsyncStorage
+
+`AsyncStorage` is a simple, asynchronous, persistent, key-value storage system
+that is global to the domain. It's a facade over, and should be used instead of
+`window.localStorage` to provide an asynchronous API and multi functions. Each
+method returns a `Promise` object.
+
+It is recommended that you use an abstraction on top of `AsyncStorage` instead
+of `AsyncStorage` directly for anything more than light usage since it operates
+globally.
+
+The batched functions are useful for executing a lot of operations at once,
+allowing for optimizations to provide the convenience of a single promise after
+all operations are complete.
+
+## Methods
+
+static **clear**()
+
+Erases all AsyncStorage. You probably don't want to call this - use
+`removeItem` or `multiRemove` to clear only your own keys instead. Returns a
+Promise object.
+
+static **getAllKeys**()
+
+Gets all known keys. Returns a Promise object.
+
+static **getItem**(key: string)
+
+Fetches the value of the given key. Returns a Promise object.
+
+static **mergeItem**(key: string, value: string)
+
+Merges existing value with input value, assuming they are stringified JSON.
+Returns a Promise object.
+
+static **multiGet**(keys: Array<string>)
+
+`multiGet` results in an array of key-value pair arrays that matches the input
+format of `multiSet`. Returns a Promise object.
+
+```js
+multiGet(['k1', 'k2']) -> [['k1', 'val1'], ['k2', 'val2']]
+```
+
+static **multiMerge**(keyValuePairs: Array<Array<string>>)
+
+multiMerge takes an array of key-value array pairs that match the output of
+`multiGet`. It merges existing values with input values, assuming they are
+stringified JSON. Returns a Promise object.
+
+static **multiRemove**(keys: Array<string>)
+
+Delete all the keys in the keys array. Returns a Promise object.
+
+static **multiSet**(keyValuePairs: Array<Array<string>>)
+
+`multiSet` takes an array of key-value array pairs that match the output of
+`multiGet`. Returns a Promise object.
+
+```js
+multiSet([['k1', 'val1'], ['k2', 'val2']]);
+```
+
+static **removeItem**(key: string)
+
+Removes the value of the given key. Returns a Promise object.
+
+static **setItem**(key: string, value: string)
+
+Sets the value of the given key. Returns a Promise object.