final ref hw3

src/s1-main/App.tsx

@@ -2,6 +2,7 @@ import React from 'react'
 import s from './App.module.css'
 import HW1 from '../s2-homeworks/hw01/HW1'
 import HW2 from '../s2-homeworks/hw02/HW2'
+import HW3 from '../s2-homeworks/hw03/HW3'
 
 function App() {
     // для дз 12
@@ -17,7 +18,7 @@ function App() {
         >
             <HW1/>
             <HW2/>
-            {/*<HW3/>*/}
+            <HW3/>
             {/*<HW4/>*/}
 
             {/*<HW5/>*/}

src/s2-homeworks/hw03/Greeting.module.css

@@ -10,7 +10,9 @@
 }
 
 .error {
+    position: absolute;
     margin-top: 7px;
+
     color: #cc0000;
     font-family: 'Montserrat', sans-serif;
     font-weight: 400;
@@ -19,21 +21,23 @@
 }
 
 .input {
+    width: 370px;
+    padding: 8px 0 8px 12px;
+
     border: 1px solid #d1d1d1;
     border-radius: 5px;
-    width: 370px;
+
+    color: #000;
     font-family: 'Montserrat', sans-serif;
     font-style: normal;
     font-weight: 500;
     font-size: 16px;
     line-height: 20px;
-    padding: 8px 0 8px 12px;
-    color: #000;
 }
 
 .input:focus {
-    outline: none;
     border: 1px solid #06c;
+    outline: none;
 }
 
 .errorInput {
@@ -41,19 +45,21 @@
 }
 
 .button {
+    height: 36px;
     margin-left: 12px;
+    padding: 8px 24px;
+
     background: #06c;
     color: white;
     border: none;
     border-radius: 3px;
     outline: none;
-    padding: 8px 24px;
+
     font-family: 'Montserrat', sans-serif;
     font-weight: 600;
     font-size: 14px;
     line-height: 20px;
     cursor: pointer;
-    height: 36px;
 }
 
 .button:focus {
@@ -67,12 +73,14 @@
     cursor: default;
 }
 
-.count {
+.text {
+    margin-bottom: 9px;
+
+    opacity: .5;
     font-family: 'Montserrat', sans-serif;
     font-weight: 400;
     font-size: 14px;
     line-height: 17px;
-    margin-bottom: 9px;
 }
 
 .greeting {

src/s2-homeworks/hw03/Greeting.tsx

@@ -1,15 +1,15 @@
-import React, { ChangeEvent, KeyboardEvent } from 'react'
+import React, {ChangeEvent, KeyboardEvent} from 'react'
 import s from './Greeting.module.css'
 
 type GreetingPropsType = {
-    name: string // need to fix any
-    setNameCallback: (e: ChangeEvent<HTMLInputElement>) => void // need to fix any
-    addUser: () => void // need to fix any
-    onBlur: () => void // need to fix any
-    onEnter: (e: KeyboardEvent<HTMLInputElement>) => void
-    error: string // need to fix any
-    totalUsers: number // need to fix any
-    lastUser?: string // need to fix any
+    name: any // need to fix any
+    setNameCallback: any // need to fix any
+    addUser: any // need to fix any
+    onBlur: any // need to fix any
+    onEnter: any // need to fix any
+    error: any // need to fix any
+    totalUsers: any // need to fix any
+    lastUserName?: any // need to fix any
 }
 
 // презентационная компонента (для верстальщика)
@@ -19,19 +19,23 @@ const Greeting: React.FC<GreetingPropsType> = (
         setNameCallback,
         addUser,
         onEnter,
+        onBlur,
         error,
         totalUsers,
-        lastUser,
-        onBlur,
+        lastUserName,
     } // деструктуризация пропсов
 ) => {
     const inputClass = error ? `${s.input} ${s.errorInput}` : s.input // need to fix with (?:)
 
     return (
         <div id={'hw3-form'} className={s.greetingForm}>
-            <div id={'hw3-users-total'} className={s.count}>
-                {totalUsers}
+            <div className={s.text}>
+                {'Людей добавили: '}
+                <span id={'hw3-users-total'}>
+                    {totalUsers}
+                </span>
             </div>
+
             <div className={s.inputAndButtonContainer}>
                 <div>
                     <input
@@ -51,15 +55,15 @@ const Greeting: React.FC<GreetingPropsType> = (
                     id={'hw3-button'}
                     onClick={addUser}
                     className={s.button}
-                    disabled={!name}
+                    disabled={!name.trim()}
                 >
                     add
                 </button>
             </div>
 
-            {lastUser && (
+            {lastUserName && (
                 <div className={s.greeting}>
-                    hello <span id={'hw3-last-user'}>{lastUser}</span>!
+                    hello <span id={'hw3-last-user'}>{lastUserName}</span>!
                 </div>
             )}
         </div>

src/s2-homeworks/hw03/GreetingContainer.tsx

@@ -3,8 +3,30 @@ import Greeting from './Greeting'
 import { UserType } from './HW3'
 
 type GreetingContainerPropsType = {
-    users: UserType[] // need to fix any
-    addUserCallback: (name: string) => void // need to fix any
+    users: any // need to fix any
+    addUserCallback: any // need to fix any
+}
+
+export const pureAddUser = (name: any, setError: any, setName: any, addUserCallback: any) => {
+    // если имя пустое - показать ошибку, иначе - добавить юзера и очистить инпут
+    if (!name.trim()) {
+        setError('name is required!')
+    } else {
+        addUserCallback(name)
+        setName('')
+    }
+}
+
+export const pureOnBlur = (name: any, setError: any) => { // если имя пустое - показать ошибку
+    if (!name.trim()) {
+        setError('name is required!')
+    }
+}
+
+export const pureOnEnter = (e: any, addUser: any) => { // если нажата кнопка Enter - добавить
+    if (e.key === 'Enter') {
+        addUser()
+    }
 }
 
 // более простой и понятный для новичков
@@ -16,54 +38,39 @@ const GreetingContainer: React.FC<GreetingContainerPropsType> = ({
     addUserCallback,
 }) => {
     // деструктуризация пропсов
-    const [name, setName] = useState<string>('') // need to fix any
-    const [error, setError] = useState<string>('') // need to fix any
+    const [name, setName] = useState<any>('') // need to fix any
+    const [error, setError] = useState<any>('') // need to fix any
 
-    const setNameCallback = (e: ChangeEvent<HTMLInputElement>) => {
-        // need to fix any // нельзя пробелы перед и после имени, можно в середине
+    const setNameCallback = (e: any) => { // need to fix any
         setName(e.currentTarget.value) // need to fix
+
         error && setError('')
     }
     const addUser = () => {
-        addUserCallback(name)
-        setName('')
+        pureAddUser(name, setError, setName, addUserCallback)
     }
 
     const onBlur = () => {
-        const trimmedName = name.trim()
-
-        if (!trimmedName) {
-            setError('name is required!')
-        }
-        setName(trimmedName) // need to fix
+        pureOnBlur(name, setError)
     }
 
-    const onEnter = (e: KeyboardEvent<HTMLInputElement>) => {
-        if (e.key === 'Enter') {
-            const trimmedName = name.trim()
-
-            if (!trimmedName) {
-                setName('')
-                setError('name is required!')
-            } else {
-                addUserCallback(trimmedName)
-                setName('')
-            }
-        }
+    const onEnter = (e: any) => {
+        pureOnEnter(e, addUser)
     }
 
     const totalUsers = users.length // need to fix
+    const lastUserName = users[users.length - 1]?.name // need to fix
 
     return (
         <Greeting
-            onBlur={onBlur}
             name={name}
             setNameCallback={setNameCallback}
             addUser={addUser}
+            onBlur={onBlur}
             onEnter={onEnter}
             error={error}
             totalUsers={totalUsers}
-            lastUser={users[users.length - 1]?.name}
+            lastUserName={lastUserName}
         />
     )
 }

src/s2-homeworks/hw03/HW3.tsx

@@ -1,25 +1,41 @@
 import React, { useState } from 'react'
 import { v1 } from 'uuid'
-import s from './Greeting.module.css'
 import s2 from '../../s1-main/App.module.css'
 import GreetingContainer from './GreetingContainer'
 
+/*
+* 1 - описать тип UserType
+* 2 - указать нужный тип в useState с users
+* 3 - дописать типы и логику функции pureAddUserCallback и проверить её тестами
+* 4 - в файле GreetingContainer.tsx дописать типизацию пропсов
+* 5 - в файле GreetingContainer.tsx указать нужные типы в useState с name и error
+* 6 - в файле GreetingContainer.tsx дописать тип и логику функции setNameCallback
+* 7 - в файле GreetingContainer.tsx дописать логику функций pureAddUser, pureOnBlur, pureOnEnter и проверить их тестами
+* 8 - в файле GreetingContainer.tsx вычислить количество добавленных и имя последнего (totalUsers, lastUserName)
+* 9 - в файле Greeting.tsx дописать типизацию пропсов
+* 10 - в файле Greeting.tsx вычислить inputClass в зависимости от наличия ошибки
+* 11 - сделать стили в соответствии с дизайном
+* */
+
 // types
 export type UserType = {
-    _id: string // need to fix any
-    name: string // need to fix any
+    _id: any // need to fix any
+    name: any // need to fix any
+}
+
+export const pureAddUserCallback = (name: any, setUsers: any, users: any) => { // need to fix any
+    const user = { // need to fix
+        _id: v1(),
+        name,
+    }
+    setUsers([...users, user])
 }
 
 const HW3 = () => {
-    const [users, setUsers] = useState<UserType[]>([]) // need to fix any
+    const [users, setUsers] = useState<any>([]) // need to fix any
 
-    const addUserCallback = (name: string) => {
-        // need to fix any
-        const user = {
-            _id: v1(),
-            name,
-        }
-        setUsers([...users, user]) // need to fix
+    const addUserCallback = (name: any) => { // need to fix any
+        pureAddUserCallback(name, setUsers, users)
     }
 
     return (

src/s2-homeworks/hw03/tests/pureAddUser.test.tsx

@@ -0,0 +1,43 @@
+import React from 'react'
+import {pureAddUser} from '../GreetingContainer'
+
+let name: any
+const setName = (a: any) => {
+    name = a
+}
+let error: any
+const setError = (a: any) => {
+    error = a
+}
+let added: any
+const addUserCallback = () => {
+    added = true
+}
+
+beforeEach(() => {
+    name = ''
+    error = ''
+    added = false
+})
+
+test('name 1', () => {
+    name = '1'
+    pureAddUser(name, setError, setName, addUserCallback)
+    expect(name).toBe('')
+    expect(error).toBe('')
+    expect(added).toBe(true)
+})
+test('name 2', () => {
+    name = ''
+    pureAddUser(name, setError, setName, addUserCallback)
+    expect(name).toBe('')
+    expect(error).toBe('name is required!')
+    expect(added).toBe(false)
+})
+test('name 3', () => {
+    name = '    '
+    pureAddUser(name, setError, setName, addUserCallback)
+    expect(name).toBe('    ')
+    expect(error).toBe('name is required!')
+    expect(added).toBe(false)
+})

src/s2-homeworks/hw03/tests/pureAddUserCallback.test.tsx

@@ -0,0 +1,18 @@
+import React from 'react'
+import {pureAddUserCallback} from '../HW3'
+
+let initialState: any[]
+const setName = (a: any[]) => {
+    initialState = a
+}
+
+beforeEach(() => {
+    initialState = []
+})
+
+test('name 1', () => {
+    pureAddUserCallback('name', setName, initialState)
+    expect(initialState.length).toBe(1)
+    expect(initialState[0].name).toBe('name')
+    expect(!!initialState[0]._id).toBe(true)
+})

src/s2-homeworks/hw03/tests/pureOnBlur.test.tsx

@@ -0,0 +1,29 @@
+import React from 'react'
+import {pureOnBlur} from '../GreetingContainer'
+
+let name: any
+let error: any
+const setError = (a: any) => {
+    error = a
+}
+
+beforeEach(() => {
+    name = ''
+    error = ''
+})
+
+test('name 1', () => {
+    name = '1'
+    pureOnBlur(name, setError)
+    expect(error).toBe('')
+})
+test('name 2', () => {
+    name = ''
+    pureOnBlur(name, setError)
+    expect(error).toBe('name is required!')
+})
+test('name 3', () => {
+    name = '    '
+    pureOnBlur(name, setError)
+    expect(error).toBe('name is required!')
+})

src/s2-homeworks/hw03/tests/pureOnEnter.test.tsx

@@ -0,0 +1,20 @@
+import React from 'react'
+import {pureOnEnter} from '../GreetingContainer'
+
+let added: any
+const addUser = () => {
+    added = true
+}
+
+beforeEach(() => {
+    added = false
+})
+
+test('name 1', () => {
+    pureOnEnter({key: 'Enter'} as any, addUser)
+    expect(added).toBe(true)
+})
+test('name 2', () => {
+    pureOnEnter({key: ''} as any, addUser)
+    expect(added).toBe(false)
+})