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/**
* Return the union of the given components' props options. Required props take
* precendence over non-required props of the same name.
*
* This makes two assumptions:
* - All given components define their props in verbose object format.
* - The components all agree on the `type` of a common prop.
*
* @param {object[]} components The components to derive the union from.
* @returns {object} The union of the props of the given components.
*/
export const propsUnion = (components) =>
components.reduce((acc, component) => {
Object.entries(component.props ?? {}).forEach(([propName, propOptions]) => {
if (process.env.NODE_ENV !== 'production') {
if (typeof propOptions !== 'object' || !('type' in propOptions)) {
throw new Error(
`Cannot create props union: expected verbose prop options for prop "${propName}"`,
);
}
if (propName in acc && acc[propName]?.type !== propOptions?.type) {
throw new Error(
`Cannot create props union: incompatible prop types for prop "${propName}"`,
);
}
}
if (!(propName in acc) || propOptions.required) {
acc[propName] = propOptions;
}
});
return acc;
}, {});
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