goog.storage.RichStorage.Wrapper

Provided By	`goog.storage.RichStorage.Wrapper`

Wraps a value so metadata can be associated with it. You probably want to use goog.storage.RichStorage.Wrapper.wrapIfNecessary to avoid multiple embeddings.

new Wrapper( `value` )

Parameters

`value`	`*`
	The value to wrap.

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Static Functions

Unwraps a value, any metadata is discarded (not returned). You might want to use goog.storage.RichStorage.Wrapper.unwrapIfPossible to handle cases where the wrapper is missing.

Parameters

`wrapper`	`Object`
	The wrapper.

Returns

*

The wrapped value.

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Convenience method for unwrapping a value. Returns undefined if the wrapper is missing.

Parameters

`wrapper`	`(Object\|undefined)`
	The wrapper.

Returns

*

The wrapped value or undefined.

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Convenience method for wrapping a value so metadata can be associated with it. No-op if the value is already wrapped or is undefined.

Parameters

`value`	`*`
	The value to wrap.

Returns

(goog.storage.RichStorage.Wrapper|undefined)

The wrapper.

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goog.storage.RichStorage.Wrapper

new Wrapper( `value` )

Static Functions

Wrapper.unwrap( `wrapper` ) `→` `*`

Wrapper.unwrapIfPossible( `wrapper` ) `→` `*`

Wrapper.wrapIfNecessary( `value` ) `→` `(goog.storage.RichStorage.Wrapper|undefined)`

goog.storage.RichStorage.Wrapper

new Wrapper( value )

Static Functions

Wrapper.unwrap( wrapper ) → *

Wrapper.unwrapIfPossible( wrapper ) → *

Wrapper.wrapIfNecessary( value ) → (goog.storage.RichStorage.Wrapper|undefined)

new Wrapper( `value` )

Wrapper.unwrap( `wrapper` ) `→` `*`

Wrapper.unwrapIfPossible( `wrapper` ) `→` `*`

Wrapper.wrapIfNecessary( `value` ) `→` `(goog.storage.RichStorage.Wrapper|undefined)`