ce4c83ff
 wxy
初始提交
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/**
* Library: isPromise
* Makes sure that an Expression node is part of a promise.
*/
'use strict'
const PROMISE_STATICS = require('./promise-statics')
function isPromise(expression) {
return (
// hello.then()
(expression.type === 'CallExpression' &&
expression.callee.type === 'MemberExpression' &&
expression.callee.property.name === 'then') ||
// hello.catch()
(expression.type === 'CallExpression' &&
expression.callee.type === 'MemberExpression' &&
expression.callee.property.name === 'catch') ||
// hello.finally()
(expression.type === 'CallExpression' &&
expression.callee.type === 'MemberExpression' &&
expression.callee.property.name === 'finally') ||
// somePromise.ANYTHING()
(expression.type === 'CallExpression' &&
expression.callee.type === 'MemberExpression' &&
isPromise(expression.callee.object)) ||
// Promise.STATIC_METHOD()
(expression.type === 'CallExpression' &&
expression.callee.type === 'MemberExpression' &&
expression.callee.object.type === 'Identifier' &&
expression.callee.object.name === 'Promise' &&
PROMISE_STATICS[expression.callee.property.name])
)
}
module.exports = isPromise
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