69 lines
3.1 KiB
JavaScript
69 lines
3.1 KiB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
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import clsx from 'clsx';
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import { extractEventHandlers } from './extractEventHandlers';
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import { omitEventHandlers } from './omitEventHandlers';
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/**
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* Merges the slot component internal props (usually coming from a hook)
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* with the externally provided ones.
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*
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* The merge order is (the latter overrides the former):
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* 1. The internal props (specified as a getter function to work with get*Props hook result)
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* 2. Additional props (specified internally on a Base UI component)
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* 3. External props specified on the owner component. These should only be used on a root slot.
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* 4. External props specified in the `slotProps.*` prop.
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* 5. The `className` prop - combined from all the above.
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* @param parameters
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* @returns
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*/
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export function mergeSlotProps(parameters) {
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const {
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getSlotProps,
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additionalProps,
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externalSlotProps,
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externalForwardedProps,
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className
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} = parameters;
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if (!getSlotProps) {
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// The simpler case - getSlotProps is not defined, so no internal event handlers are defined,
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// so we can simply merge all the props without having to worry about extracting event handlers.
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const joinedClasses = clsx(additionalProps?.className, className, externalForwardedProps?.className, externalSlotProps?.className);
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const mergedStyle = _extends({}, additionalProps?.style, externalForwardedProps?.style, externalSlotProps?.style);
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const props = _extends({}, additionalProps, externalForwardedProps, externalSlotProps);
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if (joinedClasses.length > 0) {
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props.className = joinedClasses;
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}
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if (Object.keys(mergedStyle).length > 0) {
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props.style = mergedStyle;
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}
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return {
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props,
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internalRef: undefined
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};
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}
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// In this case, getSlotProps is responsible for calling the external event handlers.
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// We don't need to include them in the merged props because of this.
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const eventHandlers = extractEventHandlers(_extends({}, externalForwardedProps, externalSlotProps));
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const componentsPropsWithoutEventHandlers = omitEventHandlers(externalSlotProps);
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const otherPropsWithoutEventHandlers = omitEventHandlers(externalForwardedProps);
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const internalSlotProps = getSlotProps(eventHandlers);
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// The order of classes is important here.
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// Emotion (that we use in libraries consuming Base UI) depends on this order
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// to properly override style. It requires the most important classes to be last
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// (see https://github.com/mui/material-ui/pull/33205) for the related discussion.
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const joinedClasses = clsx(internalSlotProps?.className, additionalProps?.className, className, externalForwardedProps?.className, externalSlotProps?.className);
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const mergedStyle = _extends({}, internalSlotProps?.style, additionalProps?.style, externalForwardedProps?.style, externalSlotProps?.style);
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const props = _extends({}, internalSlotProps, additionalProps, otherPropsWithoutEventHandlers, componentsPropsWithoutEventHandlers);
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if (joinedClasses.length > 0) {
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props.className = joinedClasses;
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}
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if (Object.keys(mergedStyle).length > 0) {
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props.style = mergedStyle;
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}
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return {
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props,
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internalRef: internalSlotProps.ref
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};
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} |