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32 lines
1.0 KiB
32 lines
1.0 KiB
/** |
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* @fileoverview Utility functions for type annotation detection. |
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* @author Yannick Croissant |
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* @author Vitor Balocco |
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*/ |
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'use strict'; |
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/** |
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* Checks if we are declaring a `props` argument with a flow type annotation. |
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* @param {ASTNode} node The AST node being checked. |
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* @param {Object} context |
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* @returns {Boolean} True if the node is a type annotated props declaration, false if not. |
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*/ |
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function isAnnotatedFunctionPropsDeclaration(node, context) { |
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if (!node || !node.params || !node.params.length) { |
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return false; |
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} |
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const typeNode = node.params[0].type === 'AssignmentPattern' ? node.params[0].left : node.params[0]; |
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const tokens = context.getFirstTokens(typeNode, 2); |
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const isAnnotated = typeNode.typeAnnotation; |
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const isDestructuredProps = typeNode.type === 'ObjectPattern'; |
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const isProps = tokens[0].value === 'props' || (tokens[1] && tokens[1].value === 'props'); |
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return (isAnnotated && (isDestructuredProps || isProps)); |
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} |
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module.exports = { |
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isAnnotatedFunctionPropsDeclaration, |
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};
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