{ "version": 3, "sources": ["../src/slot.tsx"], "sourcesContent": ["import * as React from 'react';\nimport { composeRefs } from '@radix-ui/react-compose-refs';\n\ndeclare module 'react' {\n interface ReactElement {\n $$typeof?: symbol | string;\n }\n}\n\nconst REACT_LAZY_TYPE = Symbol.for('react.lazy');\n\ninterface LazyReactElement extends React.ReactElement {\n $$typeof: typeof REACT_LAZY_TYPE;\n _payload: PromiseLike>>;\n}\n\n/* -------------------------------------------------------------------------------------------------\n * Slot\n * -----------------------------------------------------------------------------------------------*/\n\nexport type Usable = PromiseLike | React.Context;\nconst use: typeof React.use | undefined = (React as any)[' use '.trim().toString()];\n\ninterface SlotProps extends React.HTMLAttributes {\n children?: React.ReactNode;\n}\n\nfunction isPromiseLike(value: unknown): value is PromiseLike {\n return typeof value === 'object' && value !== null && 'then' in value;\n}\n\nfunction isLazyComponent(element: React.ReactNode): element is LazyReactElement {\n return (\n element != null &&\n typeof element === 'object' &&\n '$$typeof' in element &&\n element.$$typeof === REACT_LAZY_TYPE &&\n '_payload' in element &&\n isPromiseLike(element._payload)\n );\n}\n\n/* @__NO_SIDE_EFFECTS__ */ export function createSlot(ownerName: string) {\n const SlotClone = createSlotClone(ownerName);\n const Slot = React.forwardRef((props, forwardedRef) => {\n let { children, ...slotProps } = props;\n if (isLazyComponent(children) && typeof use === 'function') {\n children = use(children._payload);\n }\n const childrenArray = React.Children.toArray(children);\n const slottable = childrenArray.find(isSlottable);\n\n if (slottable) {\n // the new element to render is the one passed as a child of `Slottable`\n const newElement = slottable.props.children;\n\n const newChildren = childrenArray.map((child) => {\n if (child === slottable) {\n // because the new element will be the one rendered, we are only interested\n // in grabbing its children (`newElement.props.children`)\n if (React.Children.count(newElement) > 1) return React.Children.only(null);\n return React.isValidElement(newElement)\n ? (newElement.props as { children: React.ReactNode }).children\n : null;\n } else {\n return child;\n }\n });\n\n return (\n \n {React.isValidElement(newElement)\n ? React.cloneElement(newElement, undefined, newChildren)\n : null}\n \n );\n }\n\n return (\n \n {children}\n \n );\n });\n\n Slot.displayName = `${ownerName}.Slot`;\n return Slot;\n}\n\nconst Slot = createSlot('Slot');\n\n/* -------------------------------------------------------------------------------------------------\n * SlotClone\n * -----------------------------------------------------------------------------------------------*/\n\ninterface SlotCloneProps {\n children: React.ReactNode;\n}\n\n/* @__NO_SIDE_EFFECTS__ */ function createSlotClone(ownerName: string) {\n const SlotClone = React.forwardRef((props, forwardedRef) => {\n let { children, ...slotProps } = props;\n if (isLazyComponent(children) && typeof use === 'function') {\n children = use(children._payload);\n }\n\n if (React.isValidElement(children)) {\n const childrenRef = getElementRef(children);\n const props = mergeProps(slotProps, children.props as AnyProps);\n // do not pass ref to React.Fragment for React 19 compatibility\n if (children.type !== React.Fragment) {\n props.ref = forwardedRef ? composeRefs(forwardedRef, childrenRef) : childrenRef;\n }\n return React.cloneElement(children, props);\n }\n\n return React.Children.count(children) > 1 ? React.Children.only(null) : null;\n });\n\n SlotClone.displayName = `${ownerName}.SlotClone`;\n return SlotClone;\n}\n\n/* -------------------------------------------------------------------------------------------------\n * Slottable\n * -----------------------------------------------------------------------------------------------*/\n\nconst SLOTTABLE_IDENTIFIER = Symbol('radix.slottable');\n\ninterface SlottableProps {\n children: React.ReactNode;\n}\n\ninterface SlottableComponent extends React.FC {\n __radixId: symbol;\n}\n\n/* @__NO_SIDE_EFFECTS__ */ export function createSlottable(ownerName: string) {\n const Slottable: SlottableComponent = ({ children }) => {\n return <>{children};\n };\n Slottable.displayName = `${ownerName}.Slottable`;\n Slottable.__radixId = SLOTTABLE_IDENTIFIER;\n return Slottable;\n}\n\nconst Slottable = createSlottable('Slottable');\n\n/* ---------------------------------------------------------------------------------------------- */\n\ntype AnyProps = Record;\n\nfunction isSlottable(\n child: React.ReactNode,\n): child is React.ReactElement {\n return (\n React.isValidElement(child) &&\n typeof child.type === 'function' &&\n '__radixId' in child.type &&\n child.type.__radixId === SLOTTABLE_IDENTIFIER\n );\n}\n\nfunction mergeProps(slotProps: AnyProps, childProps: AnyProps) {\n // all child props should override\n const overrideProps = { ...childProps };\n\n for (const propName in childProps) {\n const slotPropValue = slotProps[propName];\n const childPropValue = childProps[propName];\n\n const isHandler = /^on[A-Z]/.test(propName);\n if (isHandler) {\n // if the handler exists on both, we compose them\n if (slotPropValue && childPropValue) {\n overrideProps[propName] = (...args: unknown[]) => {\n const result = childPropValue(...args);\n slotPropValue(...args);\n return result;\n };\n }\n // but if it exists only on the slot, we use only this one\n else if (slotPropValue) {\n overrideProps[propName] = slotPropValue;\n }\n }\n // if it's `style`, we merge them\n else if (propName === 'style') {\n overrideProps[propName] = { ...slotPropValue, ...childPropValue };\n } else if (propName === 'className') {\n overrideProps[propName] = [slotPropValue, childPropValue].filter(Boolean).join(' ');\n }\n }\n\n return { ...slotProps, ...overrideProps };\n}\n\n// Before React 19 accessing `element.props.ref` will throw a warning and suggest using `element.ref`\n// After React 19 accessing `element.ref` does the opposite.\n// https://github.com/facebook/react/pull/28348\n//\n// Access the ref using the method that doesn't yield a warning.\nfunction getElementRef(element: React.ReactElement) {\n // React <=18 in DEV\n let getter = Object.getOwnPropertyDescriptor(element.props, 'ref')?.get;\n let mayWarn = getter && 'isReactWarning' in getter && getter.isReactWarning;\n if (mayWarn) {\n return (element as any).ref;\n }\n\n // React 19 in DEV\n getter = Object.getOwnPropertyDescriptor(element, 'ref')?.get;\n mayWarn = getter && 'isReactWarning' in getter && getter.isReactWarning;\n if (mayWarn) {\n return (element.props as { ref?: React.Ref }).ref;\n }\n\n // Not DEV\n return (element.props as { ref?: React.Ref }).ref || (element as any).ref;\n}\n\nexport {\n Slot,\n Slottable,\n //\n Slot as Root,\n};\nexport type { SlotProps };\n"], "mappings": 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"names": ["Fragment", "Slot", "props", "Slottable"] }