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node_modules/jsx-ast-utils/src/getPropValue.js
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drndsv
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14 апр 2025, 22:53
14 апр 2025, 22:53
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import getValue, { getLiteralValue } from './values'; const extractValue = (attribute, extractor) => { if (attribute && attribute.type === 'JSXAttribute') { if (attribute.value === null) { // Null valued attributes imply truthiness. // For example: <div aria-hidden /> // See: https://facebook.github.io/react/docs/jsx-in-depth.html#boolean-attributes return true; } return extractor(attribute.value); } return undefined; }; /** * Returns the value of a given attribute. * Different types of attributes have their associated * values in different properties on the object. * * This function should return the most *closely* associated * value with the intention of the JSX. * * @param attribute - The JSXAttribute collected by AST parser. */ export default function getPropValue(attribute) { return extractValue(attribute, getValue); } /** * Returns the value of a given attribute. * Different types of attributes have their associated * values in different properties on the object. * * This function should return a value only if we can extract * a literal value from its attribute (i.e. values that have generic * types in JavaScript - strings, numbers, booleans, etc.) * * @param attribute - The JSXAttribute collected by AST parser. */ export function getLiteralPropValue(attribute) { return extractValue(attribute, getLiteralValue); }