blockly >ContextMenuRegistry >RegistryItem >preconditionFn
ContextMenuRegistry.RegistryItem.preconditionFn 属性
Signature:
preconditionFn: (p1: Scope) => string;
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最后更新时间 (UTC)：2024-09-12。
[null,null,["最后更新时间 (UTC)：2024-09-12。"],[[["`preconditionFn` is a property of `RegistryItem` within Blockly's `ContextMenuRegistry`."],["It's a function that takes a Scope as input and returns a string, likely used to determine if a context menu item should be displayed."],["The returned string may indicate the display state or provide further information for handling the context menu item."]]],["The `preconditionFn` property, part of the `ContextMenuRegistry.RegistryItem`, is a function signature. This function takes a `Scope` object as input (parameter `p1`). It returns a string value as its output. This signature defines the structure of a function used for preconditioning within the context menu registry.\n"]]