@fluidframework/cell NPM | npm.io

1.4.0 • Published 3 days ago

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License

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Repository

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3 days ago

@fluidframework/cell

SharedCell

The SharedCell distributed data structure can be used to store a single serializable value.

Creation

To create a SharedCell, call the static create method:

const myCell = SharedCell.create(this.runtime, id);

Usage

The value stored in the cell can be set with the .set() method and retrieved with the .get() method:

myCell.set(3);
console.log(myCell.get()); // 3

The value must only be plain JS objects or SharedObject handles (e.g. to another DDS or Fluid object). In collaborative scenarios, the value is settled with a policy of last write wins.

The .delete() method will delete the stored value from the cell:

myCell.delete();
console.log(myCell.get()); // undefined

The .empty() method will check if the value is undefined.

if (myCell.empty()) {
  // myCell.get() will return undefined
} else {
  // myCell.get() will return a non-undefined value
}

Eventing

SharedCell is an EventEmitter, and will emit events when other clients make modifications. You should register for these events and respond appropriately as the data is modified. valueChanged will be emitted in response to a set, and delete will be emitted in response to a delete.

@fluidframework/core-interfaces @fluidframework/core-utils @fluidframework/datastore-definitions @fluidframework/driver-utils @fluidframework/protocol-definitions @fluidframework/runtime-definitions @fluidframework/shared-object-base

nuven-code-editor @everything-registry/sub-chunk-331 @tylerbu/fluid-array-data-object @fluidframework/react-inputs @fluidframework/test-version-utils @fluidframework/test-end-to-end-tests @fluid-experimental/react-inputs @fluid-experimental/devtools-core @fluidframework/devtools-core @kurtb/shared-text @zalastax/nolb-_flu

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