We are very excited to announce the release of Loro v1.0, a major milestone.

It has a stable encoding format, faster document import and export speed, better version control capabilities, and a shallow snapshot. For more information, please check the blog.

The following are the specific API changes:

New

LoroDoc

• getChange(id: ID): get ChangeMeta by ID.
• setDetachedEditing(flag: boolean): Enables editing in detached mode, which is disabled by default.
• isDetachedEditingEnabled(): Whether the editing is enabled in detached mode.
• setNextCommitMessage(msg: string): Set the commit message of the next commit.
• shallowSinceVV(): The doc only contains the history since this version.
• shallowSinceFrontiers(): The doc only contains the history since this version.
• export(mode: ExportMode): Export the document based on the specified ExportMode. see more details here.
• getDeepValueWithID(): Get deep value of the document with container id.
• subscribeLocalUpdates(callback:(bytes: Uint8Array) => void): Subscribe to updates from local edits.
• getPathToContainer(id: ContainerID): Get the path from the root to the container.
• JSONPath(jsonPath: string): Evaluate JSONPath against a LoroDoc.
• forkAt(frontiers: Frontiers): LoroDoc: Creates a new LoroDoc at a specified version (Frontiers)
• getPendingTxnLength():number: Get the number of operations in the pending transaction.
• travelChangeAncestors(ids: ID[], callback: (meta: ChangeMeta)->bool): Iterate over all changes including the input id in order, and stop iterating if the callback returns false.

LoroText

• updateByLine(text: string): Update the current text based on the provided text line by line like git.

LoroList

• toArray(): ValueOrContainer[]: Get elements of the list. If the value is a child container, the corresponding Container will be returned.
• clear(): Delete all elements in the list.

LoroMovableList

• toArray(): ValueOrContainer[]: Get elements of the list. If the value is a child container, the corresponding Container will be returned.
• clear(): Delete all elements in the list.

LoroMap

• clear(): Delete all key-value pairs in the map.

LoroTree

• enableFractionalIndex(jitter: number): Set whether to generate fractional index for Tree Position.
• disableFractionalIndex(): Disable the fractional index generation for Tree Position when you don’t need the Tree’s siblings to be sorted. The fractional index will be always default.
• isFractionalIndexEnabled(): Whether the tree enables the fractional index generation.
• isNodeDeleted(id: TreeID): Return undefined if the node is not exist, otherwise return true if the node is deleted.
• getNodes(prop: getNodesProp): LoroTreeNode[]: Get the flat array of the forest. If with_deleted is true, the deleted nodes will be included.

UndoManager

• clear(): Clear the Undo and Redo stack of UndoManager

Changes

LoroDoc

• Move setFractionalIndexJitter() to LoroTree, you can set whether to enable or disable it for each Tree Container.
• import(), importWith() and importJsonUpdates will return ImportStatus for indicating which ops have been successfully applied and which ops are pending.
• New Subscription for event.
• In Loro 1.0, doc.version() doc.frontiers() doc.oplogVersion() and doc.oplogFrontiers() even if ops has not been committed, it indicates the latest version of all operations.
• rename Loro to LoroDoc.

LoroTree

• contains(id: TreeID): Return true even if the node exists in the internal state and has been deleted.
• nodes(): deleted nodes will be included now, you can use isDeleted() to filter.
• toJSON(): Now use the hierarchical approach to express the tree structure.

Deprecation

LoroDoc

• exportFrom(version) and exportSnapshot() are deprecated, use export(mode: ExportMode) instead.