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propDocBlockHandler.js
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propDocBlockHandler.js
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/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import { namedTypes as t } from 'ast-types';
import getMemberValuePath from '../utils/getMemberValuePath';
import resolveToValue from '../utils/resolveToValue';
import setPropDescription from '../utils/setPropDescription';
import type Documentation from '../Documentation';
function resolveDocumentation(
documentation: Documentation,
path: NodePath,
): void {
if (!t.ObjectExpression.check(path.node)) {
return;
}
path.get('properties').each(propertyPath => {
if (t.Property.check(propertyPath.node)) {
setPropDescription(documentation, propertyPath);
} else if (t.SpreadElement.check(propertyPath.node)) {
const resolvedValuePath = resolveToValue(propertyPath.get('argument'));
resolveDocumentation(documentation, resolvedValuePath);
}
});
}
export default function propDocBlockHandler(
documentation: Documentation,
path: NodePath,
) {
let propTypesPath = getMemberValuePath(path, 'propTypes');
if (!propTypesPath) {
return;
}
propTypesPath = resolveToValue(propTypesPath);
if (!propTypesPath) {
return;
}
resolveDocumentation(documentation, propTypesPath);
}