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blockly > Extensions > apply
Extensions.apply() function
Applies an extension method to a block. This should only be called during block construction.
Signature:
export declare function apply(name: string, block: Block, isMutator: boolean): void;
Parameters
| Parameter |
Type |
Description |
| name |
string |
The name of the extension. |
| block |
Block |
The block to apply the named extension to. |
| isMutator |
boolean |
True if this extension defines a mutator. |
Returns:
void
Exceptions
{Error} if the extension is not found.
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Last updated 2024-09-18 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eBlockly.Extensions.apply()\u003c/code\u003e function integrates an extension's functionality into a specific block during its creation.\u003c/p\u003e\n"],["\u003cp\u003eIt requires the extension's name, the target block, and a boolean indicating if the extension is a mutator.\u003c/p\u003e\n"],["\u003cp\u003eIf the specified extension isn't found, the function throws an error, ensuring proper handling during block construction.\u003c/p\u003e\n"]]],["The `Extensions.apply()` function applies a named extension to a specified block during its construction. It takes three parameters: the extension's name, the target block object, and a boolean indicating if the extension is a mutator. The function's purpose is to modify a block with a designated extension. It returns nothing and throws an error if the extension cannot be found.\n"],null,["[blockly](./blockly.md) \\\u003e [Extensions](./blockly.extensions_namespace.md) \\\u003e [apply](./blockly.extensions_namespace.apply_1_function.md)\n\nExtensions.apply() function\n---------------------------\n\nApplies an extension method to a block. This should only be called during block construction.\n\n**Signature:** \n\n export declare function apply(name: string, block: Block, isMutator: boolean): void;\n\nParameters\n----------\n\n| Parameter | Type | Description |\n|-----------|-----------------------------------|--------------------------------------------|\n| name | string | The name of the extension. |\n| block | [Block](./blockly.block_class.md) | The block to apply the named extension to. |\n| isMutator | boolean | True if this extension defines a mutator. |\n\n**Returns:**\n\nvoid\n\nExceptions\n----------\n\n{Error} if the extension is not found."]]
