12 lines
412 B
JavaScript
12 lines
412 B
JavaScript
module.exports = function isFunction (node) {
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if (typeof node !== 'object' || !node) {
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throw new TypeError('estree-is-function: node must be an object')
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}
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if (typeof node.type !== 'string') {
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throw new TypeError('estree-is-function: node must have a string type')
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}
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return node.type === 'FunctionDeclaration' || node.type === 'FunctionExpression' || node.type === 'ArrowFunctionExpression'
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}
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