blockly > Block > decompose
Block.decompose property
An optional function that populates the mutator flyout with blocks representing this block's configuration.
Signature:
decompose?: (workspace: Workspace) => Block;
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Last updated 2025-05-16 UTC.
[null,null,["Last updated 2025-05-16 UTC."],[[["`Block.decompose` is an optional function that can be defined for a block."],["If defined, it is used to populate a mutator's dialog with the block's internal components, allowing users to modify the block's structure."],["It receives the workspace as input and is expected to return a block that will be displayed within the mutator's dialog."]]],["The `Block.decompose` property is an optional function within the Blockly framework. Its purpose is to populate a mutator's dialog with the block's components. This function takes a `Workspace` as input and returns a `Block`. It is used to define how a block can be broken down or modified within the mutator interface.\n"]]