38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
/**
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* Library: Has Promise Callback
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* Makes sure that an Expression node is part of a promise
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* with callback functions (like then() or catch())
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*/
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'use strict'
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/**
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* @typedef {import('estree').SimpleCallExpression} CallExpression
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* @typedef {import('estree').MemberExpression} MemberExpression
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* @typedef {import('estree').Identifier} Identifier
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*
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* @typedef {object} NameIsThenOrCatch
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* @property {'then' | 'catch'} name
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*
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* @typedef {object} PropertyIsThenOrCatch
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* @property {Identifier & NameIsThenOrCatch} property
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*
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* @typedef {object} CalleeIsPromiseCallback
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* @property {MemberExpression & PropertyIsThenOrCatch} callee
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*
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* @typedef {CallExpression & CalleeIsPromiseCallback} HasPromiseCallback
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*/
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/**
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* @param {import('estree').Node} node
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* @returns {node is HasPromiseCallback}
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*/
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function hasPromiseCallback(node) {
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// istanbul ignore if -- only being called within `CallExpression`
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if (node.type !== 'CallExpression') return
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if (node.callee.type !== 'MemberExpression') return
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const propertyName = node.callee.property.name
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return propertyName === 'then' || propertyName === 'catch'
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}
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module.exports = hasPromiseCallback
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