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import * as React from 'react'
import * as DeprecatedReactTestUtils from 'react-dom/test-utils'
const reactAct =
typeof React.act === 'function' ? React.act : DeprecatedReactTestUtils.act
function getGlobalThis() {
/* istanbul ignore else */
if (typeof globalThis !== 'undefined') {
return globalThis
}
/* istanbul ignore next */
if (typeof self !== 'undefined') {
return self
}
/* istanbul ignore next */
if (typeof window !== 'undefined') {
return window
}
/* istanbul ignore next */
if (typeof global !== 'undefined') {
return global
}
/* istanbul ignore next */
throw new Error('unable to locate global object')
}
function setIsReactActEnvironment(isReactActEnvironment) {
getGlobalThis().IS_REACT_ACT_ENVIRONMENT = isReactActEnvironment
}
function getIsReactActEnvironment() {
return getGlobalThis().IS_REACT_ACT_ENVIRONMENT
}
function withGlobalActEnvironment(actImplementation) {
return callback => {
const previousActEnvironment = getIsReactActEnvironment()
setIsReactActEnvironment(true)
try {
// The return value of `act` is always a thenable.
let callbackNeedsToBeAwaited = false
const actResult = actImplementation(() => {
const result = callback()
if (
result !== null &&
typeof result === 'object' &&
typeof result.then === 'function'
) {
callbackNeedsToBeAwaited = true
}
return result
})
if (callbackNeedsToBeAwaited) {
const thenable = actResult
return {
then: (resolve, reject) => {
thenable.then(
returnValue => {
setIsReactActEnvironment(previousActEnvironment)
resolve(returnValue)
},
error => {
setIsReactActEnvironment(previousActEnvironment)
reject(error)
},
)
},
}
} else {
setIsReactActEnvironment(previousActEnvironment)
return actResult
}
} catch (error) {
// Can't be a `finally {}` block since we don't know if we have to immediately restore IS_REACT_ACT_ENVIRONMENT
// or if we have to await the callback first.
setIsReactActEnvironment(previousActEnvironment)
throw error
}
}
}
const act = withGlobalActEnvironment(reactAct)
export default act
export {
setIsReactActEnvironment as setReactActEnvironment,
getIsReactActEnvironment,
}
/* eslint no-console:0 */
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