33 lines
1,008 B
JavaScript
33 lines
1,008 B
JavaScript
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/**
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* @typedef {import('estree-jsx').Declaration} Declaration
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* @typedef {import('estree-jsx').Expression} Expression
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*/
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/**
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* Turn a declaration into an expression.
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*
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* Doesn’t work for variable declarations, but that’s fine for our use case
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* because currently we’re using this utility for export default declarations,
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* which can’t contain variable declarations.
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*
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* @param {Declaration} declaration
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* Declaration.
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* @returns {Expression}
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* Expression.
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*/
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export function declarationToExpression(declaration) {
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if (declaration.type === 'FunctionDeclaration') {
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return {...declaration, type: 'FunctionExpression'}
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}
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if (declaration.type === 'ClassDeclaration') {
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return {...declaration, type: 'ClassExpression'}
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/* Internal utility so the next shouldn’t happen or a maintainer is making a
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* mistake. */
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/* c8 ignore next 4 */
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}
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// Probably `VariableDeclaration`.
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throw new Error('Cannot turn `' + declaration.type + '` into an expression')
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}
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