chore(wait): add types and fix issues flagged by types

packages/driver/cypress/e2e/commands/waiting.cy.js

@@ -47,7 +47,7 @@ describe('src/cy/commands/waiting', () => {
         cy
         .wait(50)
         .then(() => {
-          expect(timeout).to.be.calledWith(50, true, 'wait')
+          expect(timeout).to.be.calledWith(50, true)
         })
       })
     })

packages/driver/src/cy/aliases.ts

@@ -2,6 +2,7 @@ import _ from 'lodash'
 import type { $Cy } from '../cypress/cy'
 
 import $errUtils from '../cypress/error_utils'
+import type { SubjectChain } from '../cypress/state'
 
 export const aliasRe = /^@.+/
 
@@ -12,13 +13,13 @@ const requestXhrRe = /\.request$/
 
 const reserved = ['test', 'runnable', 'timeout', 'slow', 'skip', 'inspect']
 
-export const aliasDisplayName = (name) => {
+export const aliasDisplayName = (name: string) => {
   return name.replace(aliasDisplayRe, '')
 }
 
 // eslint-disable-next-line @cypress/dev/arrow-body-multiline-braces
 export const create = (cy: $Cy) => ({
-  addAlias (ctx, aliasObj) {
+  addAlias (ctx: Mocha.Context, aliasObj: { alias: string, subjectChain: SubjectChain }) {
     const { alias } = aliasObj
 
     const aliases = cy.state('aliases') || {}

packages/driver/src/cy/commands/waiting.ts

@@ -4,36 +4,45 @@ import { waitForRoute } from '../net-stubbing/wait-for-route'
 import { isDynamicAliasingPossible } from '../net-stubbing/aliasing'
 import ordinal from 'ordinal'
 
-import $errUtils from '../../cypress/error_utils'
+import $errUtils, { type CypressError, type InternalCypressError } from '../../cypress/error_utils'
+import type { $Cy } from '../../cypress/cy'
+import type { StateFunc } from '../../cypress/state'
+import type { Log } from '../../cypress/log'
+
+type waitOptions = {
+  _log?: Cypress.Log
+  _runnableTimeout?: number
+  error?: CypressError | InternalCypressError
+  isCrossOriginSpecBridge?: boolean
+  log: boolean
+  requestTimeout?: number
+  responseTimeout?: number
+  timeout: number
+  type?: 'request' | 'response'
+}
 
-const getNumRequests = (state, alias) => {
-  const requests = state('aliasRequests') || {}
+const getNumRequests = (state: StateFunc, alias: string) => {
+  const requests = state('aliasRequests') ?? {}
 
-  requests[alias] = requests[alias] || 0
+  requests[alias] = requests[alias] ?? 0
 
   const index = requests[alias]
 
   requests[alias] += 1
 
   state('aliasRequests', requests)
 
-  return [index, ordinal(requests[alias])]
+  return [index, ordinal(requests[alias])] as const
 }
 
-const throwErr = (arg) => {
+const throwErr = (arg: string) => {
   $errUtils.throwErrByPath('wait.invalid_1st_arg', { args: { arg } })
 }
 
-type Alias = {
-  name: string
-  cardinal: number
-  ordinal: number
-}
-
-export default (Commands, Cypress, cy, state) => {
-  const waitNumber = (subject, ms, options) => {
+export default (Commands: Cypress.Commands, Cypress: Cypress.Cypress, cy: $Cy, state: StateFunc) => {
+  const waitNumber = (subject: unknown, ms: number, options: waitOptions) => {
     // increase the timeout by the delta
-    cy.timeout(ms, true, 'wait')
+    cy.timeout(ms, true)
 
     options._log = Cypress.log({
       hidden: options.log === false,
@@ -51,7 +60,7 @@ export default (Commands, Cypress, cy, state) => {
     .return(subject)
   }
 
-  const waitString = (subject, str, options) => {
+  const waitString = async (str: string | string[], options: waitOptions) => {
     // if this came from the spec bridge, we need to set a few additional properties to ensure the log displays correctly
     // otherwise, these props will be pulled from the current command which will be cy.origin on the primary
     const log = options._log = Cypress.log({
@@ -69,7 +78,13 @@ export default (Commands, Cypress, cy, state) => {
       })
     }
 
-    const checkForXhr = async function (alias, type, index, num, options) {
+    const checkForXhr = async function (
+      alias: string,
+      type: 'request'|'response',
+      index: number,
+      num: string,
+      options: waitOptions,
+    ) {
       options.error = $errUtils.errByPath('wait.timed_out', {
         timeout: options.timeout,
         alias,
@@ -98,15 +113,16 @@ export default (Commands, Cypress, cy, state) => {
         return xhr
       }
 
-      const args: [any, any, any, any, any] = [alias, type, index, num, options]
-
       return cy.retry(() => {
-        return checkForXhr.apply(window, args)
-      }, options)
+        return checkForXhr.apply(window, [alias, type, index, num, options])
+      },
+      // TODO: What should `_log`'s type be?
+      // @ts-expect-error - Incompatible types.
+      options)
     }
 
-    const waitForXhr = function (str, options) {
-      let specifier
+    const waitForXhr = async function (str: string, options: Omit<waitOptions, 'error'>) {
+      let specifier: string | null | undefined
 
       // we always want to strip everything after the last '.'
       // since we support alias property 'request'
@@ -126,7 +142,7 @@ export default (Commands, Cypress, cy, state) => {
         }
       }
 
-      let aliasObj
+      let aliasObj: { alias: string, command?: unknown }
 
       try {
         aliasObj = cy.getAlias(str, 'wait', log)
@@ -161,8 +177,8 @@ export default (Commands, Cypress, cy, state) => {
       // build up an array of referencesAlias
       // because wait can reference an array of aliases
       if (log) {
-        const referencesAlias = log.get('referencesAlias') || []
-        const aliases: Array<Alias> = [].concat(referencesAlias)
+        const referencesAlias = log.get('referencesAlias') ?? []
+        const aliases = [...referencesAlias]
 
         if (str) {
           aliases.push({
@@ -182,13 +198,13 @@ export default (Commands, Cypress, cy, state) => {
         return commandsThatCreateNetworkIntercepts.includes(commandName)
       }
 
-      const findInterceptAlias = (alias) => {
-        const routes = cy.state('routes') || {}
+      const findInterceptAlias = (alias: string) => {
+        const routes = cy.state('routes') ?? {}
 
         return _.find(_.values(routes), { alias })
       }
 
-      const isInterceptAlias = (alias) => Boolean(findInterceptAlias(alias))
+      const isInterceptAlias = (alias: string) => Boolean(findInterceptAlias(alias))
 
       if (command && !isNetworkInterceptCommand(command)) {
         if (!isInterceptAlias(alias)) {
@@ -203,11 +219,15 @@ export default (Commands, Cypress, cy, state) => {
       // but slice out the error since we may set
       // the error related to a previous xhr
       const { timeout } = options
+      // TODO: If `options.requestTimeout` and `options.responseTimeout` are
+      // `0`, is this code going to work the way it was intended to?
       const requestTimeout = options.requestTimeout || timeout
       const responseTimeout = options.responseTimeout || timeout
 
       const waitForRequest = () => {
         options = _.omit(options, '_runnableTimeout')
+        // TODO: If `requestTimeout` is `0`, is this code going to work the way
+        // it was intended to?
         options.timeout = requestTimeout || Cypress.config('requestTimeout')
 
         if (log) {
@@ -219,6 +239,8 @@ export default (Commands, Cypress, cy, state) => {
 
       const waitForResponse = () => {
         options = _.omit(options, '_runnableTimeout')
+        // TODO: If `responseTimeout` is `0`, is this code going to work the way
+        // it was intended to?
         options.timeout = responseTimeout || Cypress.config('responseTimeout')
 
         if (log) {
@@ -237,8 +259,7 @@ export default (Commands, Cypress, cy, state) => {
       return waitForRequest().then(waitForResponse)
     }
 
-    return Promise
-    .map([].concat(str), (str) => {
+    return Promise.map(([] as string[]).concat(str), (str) => {
       // we may get back an xhr value instead
       // of a promise, so we have to wrap this
       // in another promise :-(
@@ -285,26 +306,32 @@ export default (Commands, Cypress, cy, state) => {
     })
   }
 
-  Cypress.primaryOriginCommunicator.on('wait:for:xhr', ({ args: [str, options] }, { origin }) => {
-    options.isCrossOriginSpecBridge = true
-    waitString(null, str, options).then((responses) => {
-      Cypress.primaryOriginCommunicator.toSpecBridge(origin, 'wait:for:xhr:end', responses)
-    }).catch((err) => {
-      options._log?.error(err)
-      err.hasSpecBridgeError = true
-      Cypress.primaryOriginCommunicator.toSpecBridge(origin, 'wait:for:xhr:end', err)
-    })
-  })
+  Cypress.primaryOriginCommunicator.on(
+    'wait:for:xhr',
+    (
+      { args: [str, options] }: { args: [string | string[], waitOptions] },
+      { origin },
+    ) => {
+      options.isCrossOriginSpecBridge = true
+      waitString(str, options).then((responses) => {
+        Cypress.primaryOriginCommunicator.toSpecBridge(origin, 'wait:for:xhr:end', responses)
+      }).catch((err) => {
+        options._log?.error(err)
+        err.hasSpecBridgeError = true
+        Cypress.primaryOriginCommunicator.toSpecBridge(origin, 'wait:for:xhr:end', err)
+      })
+    },
+  )
 
-  const delegateToPrimaryOrigin = ([_subject, str, options]) => {
+  const delegateToPrimaryOrigin = (str: string | string[], options: waitOptions) => {
     return new Promise((resolve, reject) => {
       Cypress.specBridgeCommunicator.once('wait:for:xhr:end', (responsesOrErr) => {
         // determine if this is an error by checking if there is a spec bridge error
         if (responsesOrErr.hasSpecBridgeError) {
           delete responsesOrErr.hasSpecBridgeError
           if (options.log) {
             // skip this 'wait' log since it was already added through the primary
-            Cypress.state('onBeforeLog', (log) => {
+            Cypress.state('onBeforeLog', (log: Log) => {
               if (log.get('name') === 'wait') {
                 // unbind this function so we don't impact any other logs
                 cy.state('onBeforeLog', null)
@@ -328,7 +355,7 @@ export default (Commands, Cypress, cy, state) => {
   }
 
   Commands.addAll({ prevSubject: 'optional' }, {
-    wait (subject, msOrAlias, options: { log?: boolean } = {}) {
+    wait (subject: unknown, msOrAlias: number | string | string[], options: waitOptions) {
       // check to ensure options is an object
       // if its a string the user most likely is trying
       // to wait on multiple aliases and forget to make this
@@ -342,19 +369,18 @@ export default (Commands, Cypress, cy, state) => {
       }
 
       options = _.defaults({}, options, { log: true })
-      const args: any = [subject, msOrAlias, options]
 
       try {
-        if (_.isFinite(msOrAlias)) {
-          return waitNumber.apply(window, args)
+        if (typeof msOrAlias === 'number' && _.isFinite(msOrAlias)) {
+          return waitNumber.apply(window, [subject, msOrAlias, options])
         }
 
         if (_.isString(msOrAlias) || (_.isArray(msOrAlias) && !_.isEmpty(msOrAlias))) {
           if (Cypress.isCrossOriginSpecBridge) {
-            return delegateToPrimaryOrigin(args)
+            return delegateToPrimaryOrigin(msOrAlias, options)
           }
 
-          return waitString.apply(window, args)
+          return waitString.apply(window, [msOrAlias, options])
         }
 
         // figure out why this error failed
@@ -370,7 +396,7 @@ export default (Commands, Cypress, cy, state) => {
           throwErr(msOrAlias.toString())
         }
 
-        let arg
+        let arg: string
 
         try {
           arg = JSON.stringify(msOrAlias)
@@ -379,7 +405,7 @@ export default (Commands, Cypress, cy, state) => {
         }
 
         return throwErr(arg)
-      } catch (err: any) {
+      } catch (err) {
         if (err.name === 'CypressError') {
           throw err
         } else {

packages/driver/src/cypress/state.ts

@@ -33,7 +33,7 @@ export interface StateFunc {
   (k: 'isStable', v?: boolean): boolean
   (k: 'whenStable', v?: null | (() => Promise<any>)): () => Promise<any>
   (k: 'current', v?: $Command): $Command
-  (k: 'canceld', v?: boolean): boolean
+  (k: 'canceled', v?: boolean): boolean
   (k: 'error', v?: Error): Error
   (k: 'assertUsed', v?: boolean): boolean
   (k: 'currentAssertionUserInvocationStack', v?: string): string
@@ -54,6 +54,7 @@ export interface StateFunc {
   (k: 'promise', v?: Bluebird<unknown>): Bluebird<unknown>
   (k: 'reject', v?: (err: any) => any): (err: any) => any
   (k: 'cancel', v?: () => void): () => void
+  (k: 'aliasRequests', v?: Record<string, number>): Record<string, number>
   (k: string, v?: any): any
   state: StateFunc
   reset: () => Record<string, any>

packages/driver/types/cypress/log.d.ts

@@ -8,7 +8,7 @@ declare namespace Cypress {
     _hasInitiallyLogged: boolean
     get<K extends keyof InternalLogConfig>(attr: K): InternalLogConfig[K]
     get(): InternalLogConfig
-    set<K extends keyof LogConfig | InternalLogConfig>(key: K, value: LogConfig[K]): InternalLog
+    set<K extends keyof LogConfig | keyof InternalLogConfig>(key: K, value: LogConfig[K]): InternalLog
     set(options: Partial<LogConfig | InternalLogConfig>)
     groupEnd(): void
   }
@@ -144,5 +144,6 @@ declare namespace Cypress {
     visible?: boolean
     // the timestamp of when the command started
     wallClockStartedAt?: string
+    options?: unknown
   }
 }