fix: add missing Cypress.Commands.addAll() types (#20894)

Co-authored-by: Emily Rohrbough <emilyrohrbough@users.noreply.github.com>

Author: sainthkh

cli/types/cypress.d.ts

@@ -24,9 +24,15 @@ declare namespace Cypress {
   interface CommandFn<T extends keyof ChainableMethods> {
     (this: Mocha.Context, ...args: Parameters<ChainableMethods[T]>): ReturnType<ChainableMethods[T]> | void
   }
+  interface CommandFns {
+    [name: string]: (this: Mocha.Context, ...args: any) => any
+  }
   interface CommandFnWithSubject<T extends keyof ChainableMethods, S> {
     (this: Mocha.Context, prevSubject: S, ...args: Parameters<ChainableMethods[T]>): ReturnType<ChainableMethods[T]> | void
   }
+  interface CommandFnsWithSubject<S> {
+    [name: string]: (this: Mocha.Context, prevSubject: S, ...args: any) => any
+  }
   interface CommandOriginalFn<T extends keyof ChainableMethods> extends CallableFunction {
     (...args: Parameters<ChainableMethods[T]>): ReturnType<ChainableMethods[T]>
   }
@@ -467,6 +473,14 @@ declare namespace Cypress {
       add<T extends keyof Chainable, S extends PrevSubject>(
           name: T, options: CommandOptions & { prevSubject: S[] }, fn: CommandFnWithSubject<T, PrevSubjectMap<void>[S]>,
       ): void
+      addAll<T extends keyof Chainable>(fns: CommandFns): void
+      addAll<T extends keyof Chainable>(options: CommandOptions & {prevSubject: false}, fns: CommandFns): void
+      addAll<T extends keyof Chainable, S extends PrevSubject>(
+          options: CommandOptions & { prevSubject: true | S | ['optional'] }, fns: CommandFnsWithSubject<PrevSubjectMap[S]>,
+      ): void
+      addAll<T extends keyof Chainable, S extends PrevSubject>(
+          options: CommandOptions & { prevSubject: S[] }, fns: CommandFnsWithSubject<PrevSubjectMap<void>[S]>,
+      ): void
       overwrite<T extends keyof Chainable>(name: T, fn: CommandFnWithOriginalFn<T>): void
       overwrite<T extends keyof Chainable, S extends PrevSubject>(name: T, fn: CommandFnWithOriginalFnAndSubject<T, PrevSubjectMap[S]>): void
     }

cli/types/tests/cypress-tests.ts

@@ -147,6 +147,118 @@ namespace CypressCommandsTests {
     arg
     return cy.wrap(new Promise<number>((resolve) => { resolve(5) }))
   })
+
+  Cypress.Commands.addAll({
+    newCommand(arg) {
+      // $ExpectType any
+      arg
+      this // $ExpectType Context
+      return
+    },
+    newCommand2(arg, arg2) {
+      // $ExpectType any
+      arg
+      // $ExpectType any
+      arg2
+    },
+    newCommand3: (arg) => {
+      // $ExpectType any
+      arg
+      return
+    },
+    newCommand4: (arg) => {
+      // $ExpectType any
+      arg
+    },
+  })
+  Cypress.Commands.addAll({ prevSubject: true }, {
+    newCommand: (subject, arg) => {
+      subject // $ExpectType unknown
+      arg // $ExpectType any
+      return
+    },
+  })
+  Cypress.Commands.addAll({ prevSubject: false }, {
+    newCommand: (arg) => {
+      arg // $ExpectType any
+      return
+    },
+  })
+  Cypress.Commands.addAll({ prevSubject: 'optional' }, {
+    newCommand: (subject, arg) => {
+      subject // $ExpectType unknown
+      arg // $ExpectType any
+      return
+    },
+    newCommand2: (subject, arg) => {
+      subject // $ExpectType unknown
+      arg // $ExpectType any
+    },
+  })
+  Cypress.Commands.addAll({ prevSubject: ['optional'] }, {
+    newCommand: (subject, arg) => {
+      subject // $ExpectType unknown
+      arg // $ExpectType any
+    },
+  })
+  Cypress.Commands.addAll({ prevSubject: 'document' }, {
+    newCommand: (subject, arg) => {
+      subject // $ExpectType Document
+      arg // $ExpectType any
+    },
+  })
+  Cypress.Commands.addAll({ prevSubject: 'window' }, {
+    newCommand: (subject, arg) => {
+      subject // $ExpectType Window
+      arg // $ExpectType any
+    },
+  })
+  Cypress.Commands.addAll({ prevSubject: 'element' }, {
+    newCommand: (subject, arg) => {
+      subject // $ExpectType JQuery<HTMLElement>
+      arg // $ExpectType any
+    }
+  })
+  Cypress.Commands.addAll({ prevSubject: ['element'] }, {
+    newCommand: (subject, arg) => {
+      subject // $ExpectType JQuery<HTMLElement>
+      arg // $ExpectType any
+    }
+  })
+  Cypress.Commands.addAll({ prevSubject: ['element', 'document', 'window'] }, {
+    newCommand: (subject, arg) => {
+      if (subject instanceof Window) {
+        subject // $ExpectType Window
+      } else if (subject instanceof Document) {
+        subject // $ExpectType Document
+      } else {
+        subject // $ExpectType JQuery<HTMLElement>
+      }
+      arg // $ExpectType any
+    }
+  })
+  Cypress.Commands.addAll({ prevSubject: ['window', 'document', 'optional', 'element'] }, {
+    newCommand: (subject, arg) => {
+      if (subject instanceof Window) {
+        subject // $ExpectType Window
+      } else if (subject instanceof Document) {
+        subject // $ExpectType Document
+      } else if (subject) {
+        subject // $ExpectType JQuery<HTMLElement>
+      } else {
+        subject // $ExpectType void
+      }
+      arg // $ExpectType any
+    }
+  })
+  Cypress.Commands.addAll({
+    newCommand: (arg) => {
+      // $ExpectType any
+      arg
+      return cy.wrap(new Promise<number>((resolve) => { resolve(5) }))
+    }
+  })
+
   Cypress.Commands.overwrite('newCommand', (originalFn, arg) => {
     arg // $ExpectType string
     originalFn // $ExpectedType Chainable['newCommand']