The Block Editor’s Data 
Edit
Namespace: core/block-editor.
Selectors
areInnerBlocksControlled
Checks if a given block has controlled inner blocks.
Parameters
- state
Object: Global application state. - clientId
string: The block to check.
Returns
boolean: True if the block has controlled inner blocks.
canEditBlock
Determines if the given block is allowed to be edited.
Parameters
- state
Object: Editor state. - clientId
string: The block client Id.
Returns
boolean: Whether the given block is allowed to be edited.
canInsertBlocks
Determines if the given blocks are allowed to be inserted into the block
list.
Parameters
- state
Object: Editor state. - clientIds
string: The block client IDs to be inserted. - rootClientId
?string: Optional root client ID of block list.
Returns
boolean: Whether the given blocks are allowed to be inserted.
canInsertBlockType
Determines if the given block type is allowed to be inserted into the block list.
Parameters
- state
Object: Editor state. - blockName
string: The name of the block type, e.g.’ core/paragraph’. - rootClientId
?string: Optional root client ID of block list.
Returns
boolean: Whether the given block type is allowed to be inserted.
canLockBlockType
Determines if the given block type can be locked/unlocked by a user.
Parameters
- state
Object: Editor state. - nameOrType
(string|Object): Block name or type object.
Returns
boolean: Whether a given block type can be locked/unlocked.
canMoveBlock
Determines if the given block is allowed to be moved.
Parameters
- state
Object: Editor state. - clientId
string: The block client Id. - rootClientId
?string: Optional root client ID of block list.
Returns
boolean: Whether the given block is allowed to be moved.
canMoveBlocks
Determines if the given blocks are allowed to be moved.
Parameters
- state
Object: Editor state. - clientIds
string: The block client IDs to be moved. - rootClientId
?string: Optional root client ID of block list.
Returns
boolean: Whether the given blocks are allowed to be moved.
canRemoveBlock
Determines if the given block is allowed to be deleted.
Parameters
- state
Object: Editor state. - clientId
string: The block client Id. - rootClientId
?string: Optional root client ID of block list.
Returns
boolean: Whether the given block is allowed to be removed.
canRemoveBlocks
Determines if the given blocks are allowed to be removed.
Parameters
- state
Object: Editor state. - clientIds
string: The block client IDs to be removed. - rootClientId
?string: Optional root client ID of block list.
Returns
boolean: Whether the given blocks are allowed to be removed.
didAutomaticChange
Returns true if the last change was an automatic change, false otherwise.
Parameters
- state
Object: Global application state.
Returns
boolean: Whether the last change was automatic.
getAdjacentBlockClientId
Returns the client ID of the block adjacent one at the given reference
startClientId and modifier directionality. Defaults start startClientId to
the selected block, and direction as next block. Returns null if there is no
adjacent block.
Parameters
- state
Object: Editor state. - startClientId
?string: Optional client ID of block from which to search. - modifier
?number: Directionality multiplier (1 next, -1 previous).
Returns
?string: Return the client ID of the block, or null if none exists.
getBlock
Returns a block given its client ID. This is a parsed copy of the block,
containing its blockName, clientId, and current attributes state. This
is not the block’s registration settings, which must be retrieved from the
blocks module registration store.
getBlock recurses through its inner blocks until all its children blocks have
been retrieved. Note that getBlock will not return the child inner blocks of
an inner block controller. This is because an inner block controller syncs
itself with its own entity, and should therefore not be included with the
blocks of a different entity. For example, say you call getBlocks( TP ) to
get the blocks of a template part. If another template part is a child of TP,
then the nested template part’s child blocks will not be returned. This way,
the template block itself is considered part of the parent, but the children
are not.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
Object: Parsed block object.
getBlockAttributes
Returns a block’s attributes given its client ID, or null if no block exists with
the client ID.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
Object?: Block attributes.
getBlockCount
Returns the number of blocks currently present in the post.
Parameters
- state
Object: Editor state. - rootClientId
?string: Optional root client ID of block list.
Returns
number: Number of blocks in the post.
getBlockHierarchyRootClientId
Given a block client ID, returns the root of the hierarchy from which the block is nested, return the block itself for root level blocks.
Parameters
- state
Object: Editor state. - clientId
string: Block from which to find root client ID.
Returns
string: Root client ID
getBlockIndex
Returns the index at which the block corresponding to the specified client
ID occurs within the block order, or -1 if the block does not exist.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
number: Index at which block exists in order.
getBlockInsertionPoint
Returns the insertion point, the index at which the new inserted block would
be placed. Defaults to the last index.
Parameters
- state
Object: Editor state.
Returns
Object: Insertion point object withrootClientId,index.
getBlockListSettings
Returns the Block List settings of a block, if any exist.
Parameters
- state
Object: Editor state. - clientId
?string: Block client ID.
Returns
?Object: Block settings of the block if set.
getBlockMode
Returns the block’s editing mode, defaulting to “visual” if not explicitly
assigned.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
Object: Block editing mode.
getBlockName
Returns a block’s name given its client ID, or null if no block exists with
the client ID.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
string: Block name.
getBlockOrder
Returns an array containing all block client IDs in the editor in the order
they appear. Optionally accepts a root client ID of the block list for which
the order should be returned, defaulting to the top-level block order.
Parameters
- state
Object: Editor state. - rootClientId
?string: Optional root client ID of block list.
Returns
Array: Ordered client IDs of editor blocks.
getBlockParents
Given a block client ID, returns the list of all its parents from top to bottom.
Parameters
- state
Object: Editor state. - clientId
string: Block from which to find root client ID. - ascending
boolean: Order results from bottom to top (true) or top to bottom (false).
Returns
Array: ClientIDs of the parent blocks.
getBlockParentsByBlockName
Given a block client ID and a block name, returns the list of all its parents
from top to bottom, filtered by the given name(s). For example, if passed
‘core/group’ as the blockName, it will only return parents which are group
blocks. If passed [ 'core/group', 'core/cover'], as the blockName, it will
return parents which are group blocks and parents which are cover blocks.
Parameters
- state
Object: Editor state. - clientId
string: Block from which to find root client ID. - blockName
string|string[]: Block name(s) to filter. - ascending
boolean: Order results from bottom to top (true) or top to bottom (false).
Returns
Array: ClientIDs of the parent blocks.
getBlockRootClientId
Given a block client ID, returns the root block from which the block is
nested, an empty string for top-level blocks, or null if the block does not
exist.
Parameters
- state
Object: Editor state. - clientId
string: Block from which to find root client ID.
Returns
?string: Root client ID, if exists
getBlocks
Returns all block objects for the current post being edited as an array in
the order they appear in the post. Note that this will exclude child blocks
of nested inner block controllers.
Parameters
- state
Object: Editor state. - rootClientId
?string: Optional root client ID of block list.
Returns
Object[]: Post blocks.
getBlocksByClientId
Given an array of block client IDs, returns the corresponding array of block
objects.
Parameters
- state
Object: Editor state. - clientIds
string[]: Client IDs for which blocks are to be returned.
Returns
WPBlock[]: Block objects.
getBlockSelectionEnd
Returns the current block selection end. This value may be null, and it
may represent either a singular block selection or multi-selection end.
A selection is singular if its start and end match.
Parameters
- state
Object: Global application state.
Returns
?string: Client ID of block selection end.
getBlockSelectionStart
Returns the current block selection start. This value may be null, and it
may represent either a singular block selection or multi-selection start.
A selection is singular if its start and end match.
Parameters
- state
Object: Global application state.
Returns
?string: Client ID of block selection start.
getBlockTransformItems
Determines the items that appear in the available block transforms list.
Each item object contains what’s necessary to display a menu item in the
transform list and handle its selection.
The ‘frecency’ property is a heuristic (https://en.wikipedia.org/wiki/Frecency)
that combines block usage frequenty and recency.
Items are returned ordered descendingly by their ‘frecency’.
Parameters
- state
Object: Editor state. - blocks
Object|Object[]: Block object or array objects. - rootClientId
?string: Optional root client ID of block list.
Returns
WPEditorTransformItem[]: Items that appear in inserter.
Type Definition
- WPEditorTransformItem
Object
Properties
- id
string: Unique identifier for the item. - name
string: The type of block to create. - title
string: Title of the item, as it appears in the inserter. - icon
string: Dashicon for the item, as it appears in the inserter. - isDisabled
boolean: Whether or not the user should be prevented from inserting this item. - frecency
number: Heuristic that combines frequency and recency.
getClientIdsOfDescendants
Returns an array containing the clientIds of all descendants of the blocks
given. Returned ids are ordered first by the order of the ids given, then
by the order that they appear in the editor.
Parameters
- state
Object: Global application state. - clientIds
Array: Array of blocks to inspect.
Returns
Array: ids of descendants.
getClientIdsWithDescendants
Returns an array containing the clientIds of the top-level blocks and
their descendants of any depth (for nested blocks). Ids are returned
in the same order that they appear in the editor.
Parameters
- state
Object: Global application state.
Returns
Array: ids of top-level and descendant blocks.
getDraggedBlockClientIds
Returns the client ids of any blocks being directly dragged.
This does not include children of a parent being dragged.
Parameters
- state
Object: Global application state.
Returns
string[]: Array of dragged block client ids.
getFirstMultiSelectedBlockClientId
Returns the client ID of the first block in the multi-selection set, or null
if there is no multi-selection.
Parameters
- state
Object: Editor state.
Returns
?string: First block client ID in the multi-selection set.
getGlobalBlockCount
Returns the total number of blocks, or the total number of blocks with a specific name in a post.
The number returned includes nested blocks.
Parameters
- state
Object: Global application state. - blockName
?string: Optional block name, if specified only blocks of that type will be counted.
Returns
number: Number of blocks in the post, or number of blocks with name equal to blockName.
getInserterItems
Determines the items that appear in the inserter. Includes both static
items (e.g. a regular block type) and dynamic items (e.g. a reusable block).
Each item object contains what’s necessary to display a button in the
inserter and handle its selection.
The ‘frecency’ property is a heuristic (https://en.wikipedia.org/wiki/Frecency)
that combines block usage frequenty and recency.
Items are returned ordered descendingly by their ‘utility’ and ‘frecency’.
Parameters
- state
Object: Editor state. - rootClientId
?string: Optional root client ID of block list.
Returns
WPEditorInserterItem[]: Items that appear in inserter.
Type Definition
- WPEditorInserterItem
Object
Properties
- id
string: Unique identifier for the item. - name
string: The type of block to create. - initialAttributes
Object: Attributes to pass to the newly created block. - title
string: Title of the item, as it appears in the inserter. - icon
string: Dashicon for the item, as it appears in the inserter. - category
string: Block category that the item is associated with. - keywords
string[]: Keywords that can be searched to find this item. - isDisabled
boolean: Whether or not the user should be prevented from inserting this item. - frecency
number: Heuristic that combines frequency and recency.
getLastMultiSelectedBlockClientId
Returns the client ID of the last block in the multi-selection set, or null
if there is no multi-selection.
Parameters
- state
Object: Editor state.
Returns
?string: Last block client ID in the multi-selection set.
getLowestCommonAncestorWithSelectedBlock
Given a block client ID, returns the lowest common ancestor with selected client ID.
Parameters
- state
Object: Editor state. - clientId
string: Block from which to find common ancestor client ID.
Returns
string: Common ancestor client ID or undefined
getMultiSelectedBlockClientIds
Returns the current multi-selection set of block client IDs, or an empty
array if there is no multi-selection.
Parameters
- state
Object: Editor state.
Returns
Array: Multi-selected block client IDs.
getMultiSelectedBlocks
Returns the current multi-selection set of blocks, or an empty array if
there is no multi-selection.
Parameters
- state
Object: Editor state.
Returns
Array: Multi-selected block objects.
getMultiSelectedBlocksEndClientId
Returns the client ID of the block which ends the multi-selection set, or
null if there is no multi-selection.
This is not necessarily the last client ID in the selection.
Related
- getLastMultiSelectedBlockClientId
Parameters
- state
Object: Editor state.
Returns
?string: Client ID of block ending multi-selection.
getMultiSelectedBlocksStartClientId
Returns the client ID of the block which begins the multi-selection set, or
null if there is no multi-selection.
This is not necessarily the first client ID in the selection.
Related
- getFirstMultiSelectedBlockClientId
Parameters
- state
Object: Editor state.
Returns
?string: Client ID of block beginning multi-selection.
getNextBlockClientId
Returns the next block’s client ID from the given reference start ID.
Defaults start to the selected block. Returns null if there is no next
block.
Parameters
- state
Object: Editor state. - startClientId
?string: Optional client ID of block from which to search.
Returns
?string: Adjacent block’s client ID, or null if none exists.
getPreviousBlockClientId
Returns the previous block’s client ID from the given reference start ID.
Defaults start to the selected block. Returns null if there is no previous
block.
Parameters
- state
Object: Editor state. - startClientId
?string: Optional client ID of block from which to search.
Returns
?string: Adjacent block’s client ID, or null if none exists.
getSelectedBlock
Returns the currently selected block, or null if there is no selected block.
Parameters
- state
Object: Global application state.
Returns
?Object: Selected block.
getSelectedBlockClientId
Returns the currently selected block client ID, or null if there is no
selected block.
Parameters
- state
Object: Editor state.
Returns
?string: Selected block client ID.
getSelectedBlockClientIds
Returns the current selection set of block client IDs (multiselection or single selection).
Parameters
- state
Object: Editor state.
Returns
Array: Multi-selected block client IDs.
getSelectedBlockCount
Returns the number of blocks currently selected in the post.
Parameters
- state
Object: Global application state.
Returns
number: Number of blocks selected in the post.
getSelectedBlocksInitialCaretPosition
Returns the initial caret position for the selected block.
This position is to used to position the caret properly when the selected block changes.
If the current block is not a RichText, having initial position set to 0 means “focus block”
Parameters
- state
Object: Global application state.
Returns
0|-1|null: Initial position.
getSelectionEnd
Returns the current selection end block client ID, attribute key and text
offset.
Parameters
- state
Object: Block editor state.
Returns
WPBlockSelection: Selection end information.
getSelectionStart
Returns the current selection start block client ID, attribute key and text
offset.
Parameters
- state
Object: Block editor state.
Returns
WPBlockSelection: Selection start information.
getSettings
Returns the editor settings.
Parameters
- state
Object: Editor state.
Returns
Object: The editor settings object.
getTemplate
Returns the defined block template
Parameters
- state
boolean:
Returns
?Array: Block Template.
getTemplateLock
Returns the defined block template lock. Optionally accepts a root block
client ID as context, otherwise defaulting to the global context.
Parameters
- state
Object: Editor state. - rootClientId
?string: Optional block root client ID.
Returns
?string: Block Template Lock
hasBlockMovingClientId
Returns whether block moving mode is enabled.
Parameters
- state
Object: Editor state.
Returns
string: Client Id of moving block.
hasInserterItems
Determines whether there are items to show in the inserter.
Parameters
- state
Object: Editor state. - rootClientId
?string: Optional root client ID of block list.
Returns
boolean: Items that appear in inserter.
hasMultiSelection
Returns true if a multi-selection has been made, or false otherwise.
Parameters
- state
Object: Editor state.
Returns
boolean: Whether multi-selection has been made.
hasSelectedBlock
Returns true if there is a single selected block, or false otherwise.
Parameters
- state
Object: Editor state.
Returns
boolean: Whether a single block is selected.
hasSelectedInnerBlock
Returns true if one of the block’s inner blocks is selected.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID. - deep
boolean: Perform a deep check.
Returns
boolean: Whether the block as an inner block selected
isAncestorBeingDragged
Returns whether a parent/ancestor of the block is being dragged.
Parameters
- state
Object: Global application state. - clientId
string: Client id for block to check.
Returns
boolean: Whether the block’s ancestor is being dragged.
isAncestorMultiSelected
Returns true if an ancestor of the block is multi-selected, or false
otherwise.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
boolean: Whether an ancestor of the block is in multi-selection set.
isBlockBeingDragged
Returns whether the block is being dragged.
Only returns true if the block is being directly dragged,
not if the block is a child of a parent being dragged.
See isAncestorBeingDragged for child blocks.
Parameters
- state
Object: Global application state. - clientId
string: Client id for block to check.
Returns
boolean: Whether the block is being dragged.
isBlockHighlighted
Returns true if the current highlighted block matches the block clientId.
Parameters
- state
Object: Global application state. - clientId
string: The block to check.
Returns
boolean: Whether the block is currently highlighted.
isBlockInsertionPointVisible
Returns true if we should show the block insertion point.
Parameters
- state
Object: Global application state.
Returns
?boolean: Whether the insertion point is visible or not.
isBlockMultiSelected
Returns true if the client ID occurs within the block multi-selection, or
false otherwise.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
boolean: Whether block is in multi-selection set.
isBlockSelected
Returns true if the block corresponding to the specified client ID is
currently selected and no multi-selection exists, or false otherwise.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
boolean: Whether block is selected and multi-selection exists.
isBlockValid
Returns whether a block is valid or not.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
boolean: Is Valid.
isBlockWithinSelection
Returns true if the block corresponding to the specified client ID is
currently selected but isn’t the last of the selected blocks. Here “last”
refers to the block sequence in the document, not the sequence of
multi-selection, which is why state.selectionEnd isn’t used.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
boolean: Whether block is selected and not the last in the selection.
isCaretWithinFormattedText
Deprecated
Returns true if the caret is within formatted text, or false otherwise.
Returns
boolean: Whether the caret is within formatted text.
isDraggingBlocks
Returns true if the user is dragging blocks, or false otherwise.
Parameters
- state
Object: Global application state.
Returns
boolean: Whether user is dragging blocks.
isFirstMultiSelectedBlock
Returns true if a multi-selection exists, and the block corresponding to the
specified client ID is the first block of the multi-selection set, or false
otherwise.
Parameters
- state
Object: Editor state. - clientId
string: Block client ID.
Returns
boolean: Whether block is first in multi-selection.
isLastBlockChangePersistent
Returns true if the most recent block change is be considered persistent, or
false otherwise. A persistent change is one committed by BlockEditorProvider
via its onChange callback, in addition to onInput.
Parameters
- state
Object: Block editor state.
Returns
boolean: Whether the most recent block change was persistent.
isMultiSelecting
Whether in the process of multi-selecting or not. This flag is only true
while the multi-selection is being selected (by mouse move), and is false
once the multi-selection has been settled.
Related
- hasMultiSelection
Parameters
- state
Object: Global application state.
Returns
boolean: True if multi-selecting, false if not.
isNavigationMode
Returns whether the navigation mode is enabled.
Parameters
- state
Object: Editor state.
Returns
boolean: Is navigation mode enabled.
isSelectionEnabled
Selector that returns if multi-selection is enabled or not.
Parameters
- state
Object: Global application state.
Returns
boolean: True if it should be possible to multi-select blocks, false if multi-selection is disabled.
isTyping
Returns true if the user is typing, or false otherwise.
Parameters
- state
Object: Global application state.
Returns
boolean: Whether user is typing.
isValidTemplate
Returns whether the blocks matches the template or not.
Parameters
- state
boolean:
Returns
?boolean: Whether the template is valid or not.
wasBlockJustInserted
Tells if the block with the passed clientId was just inserted.
Parameters
- state
Object: Global application state. - clientId
Object: Client Id of the block. - source
?string: Optional insertion source of the block.
Returns
boolean: True if the block matches the last block inserted from the specified source.
Actions
clearSelectedBlock
Action that clears the block selection.
Returns
Object: Action object.
duplicateBlocks
Action that duplicates a list of blocks.
Parameters
- clientIds
string[]: - updateSelection
boolean:
enterFormattedText
Deprecated
Returns an action object used in signalling that the caret has entered formatted text.
Returns
Object: Action object.
exitFormattedText
Deprecated
Returns an action object used in signalling that the user caret has exited formatted text.
Returns
Object: Action object.
flashBlock
Action that “flashes” the block with a given clientId by rhythmically highlighting it.
Parameters
- clientId
string: Target block client ID.
hideInsertionPoint
Action that hides the insertion point.
Returns
Object: Action object.
insertAfterBlock
Action that inserts an empty block after a given block.
Parameters
- clientId
string:
insertBeforeBlock
Action that inserts an empty block before a given block.
Parameters
- clientId
string:
insertBlock
Action that inserts a single block, optionally at a specific index respective a root block list.
Parameters
- block
Object: Block object to insert. - index
?number: Index at which block should be inserted. - rootClientId
?string: Optional root client ID of block list on which to insert. - updateSelection
?boolean: If true block selection will be updated. If false, block selection will not change. Defaults to true. - meta
?Object: Optional Meta values to be passed to the action object.
Returns
Object: Action object.
insertBlocks
Action that inserts an array of blocks, optionally at a specific index respective a root block list.
Parameters
- blocks
Object[]: Block objects to insert. - index
?number: Index at which block should be inserted. - rootClientId
?string: Optional root client ID of block list on which to insert. - updateSelection
?boolean: If true block selection will be updated. If false, block selection will not change. Defaults to true. - initialPosition
0|-1|null: Initial focus position. Setting it to null prevent focusing the inserted block. - meta
?Object: Optional Meta values to be passed to the action object.
Returns
Object: Action object.
insertDefaultBlock
Action that adds a new block of the default type to the block list.
Parameters
- attributes
?Object: Optional attributes of the block to assign. - rootClientId
?string: Optional root client ID of block list on which to append. - index
?number: Optional index where to insert the default block.
mergeBlocks
Action that merges two blocks.
Parameters
- firstBlockClientId
string: Client ID of the first block to merge. - secondBlockClientId
string: Client ID of the second block to merge.
moveBlocksDown
Undocumented declaration.
moveBlocksToPosition
Action that moves given blocks to a new position.
Parameters
- clientIds
?string: The client IDs of the blocks. - fromRootClientId
?string: Root client ID source. - toRootClientId
?string: Root client ID destination. - index
number: The index to move the blocks to.
moveBlocksUp
Undocumented declaration.
moveBlockToPosition
Action that moves given block to a new position.
Parameters
- clientId
?string: The client ID of the block. - fromRootClientId
?string: Root client ID source. - toRootClientId
?string: Root client ID destination. - index
number: The index to move the block to.
multiSelect
Action that changes block multi-selection.
Parameters
- start
string: First block of the multi selection. - end
string: Last block of the multiselection. - __experimentalInitialPosition
number|null: Optional initial position. Pass as null to skip focus within editor canvas.
receiveBlocks
Deprecated
Returns an action object used in signalling that blocks have been received.
Unlike resetBlocks, these should be appended to the existing known set, not
replacing.
Parameters
- blocks
Object[]: Array of block objects.
Returns
Object: Action object.
removeBlock
Returns an action object used in signalling that the block with the
specified client ID is to be removed.
Parameters
- clientId
string: Client ID of block to remove. - selectPrevious
boolean: True if the previous block should be selected when a block is removed.
Returns
Object: Action object.
removeBlocks
Yields action objects used in signalling that the blocks corresponding to
the set of specified client IDs are to be removed.
Parameters
- clientIds
string|string[]: Client IDs of blocks to remove. - selectPrevious
boolean: True if the previous block should be selected when a block is removed.
replaceBlock
Action that replaces a single block with one or more replacement blocks.
Parameters
- clientId
(string|string[]): Block client ID to replace. - block
(Object|Object[]): Replacement block(s).
Returns
Object: Action object.
replaceBlocks
Action that replaces given blocks with one or more replacement blocks.
Parameters
- clientIds
(string|string[]): Block client ID(s) to replace. - blocks
(Object|Object[]): Replacement block(s). - indexToSelect
number: Index of replacement block to select. - initialPosition
0|-1|null: Index of caret after in the selected block after the operation. - meta
?Object: Optional Meta values to be passed to the action object.
Returns
Object: Action object.
replaceInnerBlocks
Returns an action object used in signalling that the inner blocks with the
specified client ID should be replaced.
Parameters
- rootClientId
string: Client ID of the block whose InnerBlocks will re replaced. - blocks
Object[]: Block objects to insert as new InnerBlocks - updateSelection
?boolean: If true block selection will be updated. If false, block selection will not change. Defaults to false. - initialPosition
0|-1|null: Initial block position.
Returns
Object: Action object.
resetBlocks
Action that resets blocks state to the specified array of blocks, taking precedence
over any other content reflected as an edit in state.
Parameters
- blocks
Array: Array of blocks.
resetSelection
Returns an action object used in signalling that selection state should be
reset to the specified selection.
Parameters
- selectionStart
WPBlockSelection: The selection start. - selectionEnd
WPBlockSelection: The selection end. - initialPosition
0|-1|null: Initial block position.
Returns
Object: Action object.
selectBlock
Returns an action object used in signalling that the block with the
specified client ID has been selected, optionally accepting a position
value reflecting its selection directionality. An initialPosition of -1
reflects a reverse selection.
Parameters
- clientId
string: Block client ID. - initialPosition
0|-1|null: Optional initial position. Pass as -1 to reflect reverse selection.
Returns
Object: Action object.
selectionChange
Action that changes the position of the user caret.
Parameters
- clientId
string|WPSelection: The selected block client ID. - attributeKey
string: The selected block attribute key. - startOffset
number: The start offset. - endOffset
number: The end offset.
Returns
Object: Action object.
selectNextBlock
Yields action objects used in signalling that the block following the given
clientId should be selected.
Parameters
- clientId
string: Block client ID.
selectPreviousBlock
Yields action objects used in signalling that the block preceding the given
clientId should be selected.
Parameters
- clientId
string: Block client ID.
setBlockMovingClientId
Action that enables or disables the block moving mode.
Parameters
- hasBlockMovingClientId
string|null: Enable/Disable block moving mode.
setHasControlledInnerBlocks
Action that sets whether a block has controlled inner blocks.
Parameters
- clientId
string: The block’s clientId. - hasControlledInnerBlocks
boolean: True if the block’s inner blocks are controlled.
setNavigationMode
Action that enables or disables the navigation mode.
Parameters
- isNavigationMode
string: Enable/Disable navigation mode.
setTemplateValidity
Action that resets the template validity.
Parameters
- isValid
boolean: template validity flag.
Returns
Object: Action object.
showInsertionPoint
Action that shows the insertion point.
Parameters
- rootClientId
?string: Optional root client ID of block list on which to insert. - index
?number: Index at which block should be inserted. - __unstableOptions
Object: Whether or not to show an inserter button.
Returns
Object: Action object.
startDraggingBlocks
Returns an action object used in signalling that the user has begun to drag blocks.
Parameters
- clientIds
string[]: An array of client ids being dragged
Returns
Object: Action object.
startMultiSelect
Action that starts block multi-selection.
Returns
Object: Action object.
startTyping
Returns an action object used in signalling that the user has begun to type.
Returns
Object: Action object.
stopDraggingBlocks
Returns an action object used in signalling that the user has stopped dragging blocks.
Returns
Object: Action object.
stopMultiSelect
Action that stops block multi-selection.
Returns
Object: Action object.
stopTyping
Returns an action object used in signalling that the user has stopped typing.
Returns
Object: Action object.
synchronizeTemplate
Action that synchronizes the template with the list of blocks.
Returns
Object: Action object.
toggleBlockHighlight
Action that toggles the highlighted block state.
Parameters
- clientId
string: The block’s clientId. - isHighlighted
boolean: The highlight state.
toggleBlockMode
Returns an action object used to toggle the block editing mode between
visual and HTML modes.
Parameters
- clientId
string: Block client ID.
Returns
Object: Action object.
toggleSelection
Action that enables or disables block selection.
Parameters
- isSelectionEnabled
[boolean]: Whether block selection should be enabled.
Returns
Object: Action object.
updateBlock
Action that updates the block with the specified client ID.
Parameters
- clientId
string: Block client ID. - updates
Object: Block attributes to be merged.
Returns
Object: Action object.
updateBlockAttributes
Action that updates attributes of multiple blocks with the specified client IDs.
Parameters
- clientIds
string|string[]: Block client IDs. - attributes
Object: Block attributes to be merged. Should be keyed by clientIds if uniqueByBlock is true. - uniqueByBlock
boolean: true if each block in clientIds array has a unique set of attributes
Returns
Object: Action object.
updateBlockListSettings
Action that changes the nested settings of a given block.
Parameters
- clientId
string: Client ID of the block whose nested setting are being received. - settings
Object: Object with the new settings for the nested block.
Returns
Object: Action object
updateSettings
Action that updates the block editor settings.
Parameters
- settings
Object: Updated settings
Returns
Object: Action object
validateBlocksToTemplate
Block validity is a function of blocks state (at the point of a
reset) and the template setting. As a compromise to its placement
across distinct parts of state, it is implemented here as a side-
effect of the block reset action.
Parameters
- blocks
Array: Array of blocks.