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I-keep-trying/gist:505411640ce7a58363ff603e065879ad

Last active March 9, 2021 20:42
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Works but cannot set state
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gistfile1.txt
import React, { useState, useEffect } from 'react'
const countriesList = [
{ name: 'Afghanistan' },
{ name: 'Åland Islands' },
{ name: 'Albania' },
{ name: 'Algeria' },
{ name: 'American Samoa' },
{ name: 'Andorra' },
{ name: 'Angola' },
{ name: 'Anguilla' },
{ name: 'Antarctica' },
{ name: 'Antigua and Barbuda' },
{ name: 'Argentina' },
{ name: 'Armenia' },
{ name: 'Aruba' },
{ name: 'Australia' },
{ name: 'Austria' },
{ name: 'Azerbaijan' },
{ name: 'Bahamas' },
{ name: 'Bahrain' },
{ name: 'Bangladesh' },
{ name: 'Barbados' },
{ name: 'Belarus' },
{ name: 'Belgium' },
{ name: 'Belize' },
{ name: 'Benin' },
{ name: 'Bermuda' },
{ name: 'Bhutan' },
{ name: 'Bolivia (Plurinational State of)' },
{ name: 'Bonaire, Sint Eustatius and Saba' },
{ name: 'Bosnia and Herzegovina' },
{ name: 'Botswana' },
{ name: 'Bouvet Island' },
{ name: 'Brazil' },
{ name: 'British Indian Ocean Territory' },
{ name: 'United States Minor Outlying Islands' },
{ name: 'Virgin Islands (British)' },
{ name: 'Virgin Islands (U.S.)' },
{ name: 'Brunei Darussalam' },
{ name: 'Bulgaria' },
{ name: 'Burkina Faso' },
{ name: 'Burundi' },
{ name: 'Cambodia' },
{ name: 'Cameroon' },
{ name: 'Canada' },
{ name: 'Cabo Verde' },
{ name: 'Cayman Islands' },
{ name: 'Central African Republic' },
{ name: 'Chad' },
{ name: 'Chile' },
{ name: 'China' },
{ name: 'Christmas Island' },
{ name: 'Cocos (Keeling) Islands' },
{ name: 'Colombia' },
{ name: 'Comoros' },
{ name: 'Congo' },
{ name: 'Congo (Democratic Republic of the)' },
{ name: 'Cook Islands' },
{ name: 'Costa Rica' },
{ name: 'Croatia' },
{ name: 'Cuba' },
{ name: 'Curaçao' },
{ name: 'Cyprus' },
{ name: 'Czech Republic' },
{ name: 'Denmark' },
{ name: 'Djibouti' },
{ name: 'Dominica' },
{ name: 'Dominican Republic' },
{ name: 'Ecuador' },
{ name: 'Egypt' },
{ name: 'El Salvador' },
{ name: 'Equatorial Guinea' },
{ name: 'Eritrea' },
{ name: 'Estonia' },
{ name: 'Ethiopia' },
{ name: 'Falkland Islands (Malvinas)' },
{ name: 'Faroe Islands' },
{ name: 'Fiji' },
{ name: 'Finland' },
{ name: 'France' },
{ name: 'French Guiana' },
{ name: 'French Polynesia' },
{ name: 'French Southern Territories' },
{ name: 'Gabon' },
{ name: 'Gambia' },
{ name: 'Georgia' },
{ name: 'Germany' },
{ name: 'Ghana' },
{ name: 'Gibraltar' },
{ name: 'Greece' },
{ name: 'Greenland' },
{ name: 'Grenada' },
{ name: 'Guadeloupe' },
{ name: 'Guam' },
{ name: 'Guatemala' },
{ name: 'Guernsey' },
{ name: 'Guinea' },
{ name: 'Guinea-Bissau' },
{ name: 'Guyana' },
{ name: 'Haiti' },
{ name: 'Heard Island and McDonald Islands' },
{ name: 'Holy See' },
{ name: 'Honduras' },
{ name: 'Hong Kong' },
{ name: 'Hungary' },
{ name: 'Iceland' },
{ name: 'India' },
{ name: 'Indonesia' },
{ name: "Côte d'Ivoire,Iran (Islamic Republic of)" },
{ name: 'Iraq' },
{ name: 'Ireland' },
{ name: 'Isle of Man' },
{ name: 'Israel' },
{ name: 'Italy' },
{ name: 'Jamaica' },
{ name: 'Japan' },
{ name: 'Jersey' },
{ name: 'Jordan' },
{ name: 'Kazakhstan' },
{ name: 'Kenya' },
{ name: 'Kiribati' },
{ name: 'Kuwait' },
{ name: 'Kyrgyzstan' },
{ name: "Lao People's Democratic Republic" },
{ name: 'Latvia' },
{ name: 'Lebanon' },
{ name: 'Lesotho' },
{ name: 'Liberia' },
{ name: 'Libya' },
{ name: 'Liechtenstein' },
{ name: 'Lithuania' },
{ name: 'Luxembourg' },
{ name: 'Macao' },
{ name: 'Macedonia (the former Yugoslav Republic of)' },
{ name: 'Madagascar' },
{ name: 'Malawi' },
{ name: 'Malaysia' },
{ name: 'Maldives' },
{ name: 'Mali' },
{ name: 'Malta' },
{ name: 'Marshall Islands' },
{ name: 'Martinique' },
{ name: 'Mauritania' },
{ name: 'Mauritius' },
{ name: 'Mayotte' },
{ name: 'Mexico' },
{ name: 'Micronesia (Federated States of)' },
{ name: 'Moldova (Republic of)' },
{ name: 'Monaco' },
{ name: 'Mongolia' },
{ name: 'Montenegro' },
{ name: 'Montserrat' },
{ name: 'Morocco' },
{ name: 'Mozambique' },
{ name: 'Myanmar' },
{ name: 'Namibia' },
{ name: 'Nauru' },
{ name: 'Nepal' },
{ name: 'Netherlands' },
{ name: 'New Caledonia' },
{ name: 'New Zealand' },
{ name: 'Nicaragua' },
{ name: 'Niger' },
{ name: 'Nigeria' },
{ name: 'Niue' },
{ name: 'Norfolk Island' },
{ name: "Korea (Democratic People's Republic of)" },
{ name: 'Northern Mariana Islands' },
{ name: 'Norway' },
{ name: 'Oman' },
{ name: 'Pakistan' },
{ name: 'Palau' },
{ name: 'Palestine, State of' },
{ name: 'Panama' },
{ name: 'Papua New Guinea' },
{ name: 'Paraguay' },
{ name: 'Peru' },
{ name: 'Philippines' },
{ name: 'Pitcairn' },
{ name: 'Poland' },
{ name: 'Portugal' },
{ name: 'Puerto Rico' },
{ name: 'Qatar' },
{ name: 'Republic of Kosovo' },
{ name: 'Réunion' },
{ name: 'Romania' },
{ name: 'Russian Federation' },
{ name: 'Rwanda' },
{ name: 'Saint Barthélemy' },
{ name: 'Saint Helena' },
{ name: 'Ascension and Tristan da Cunha' },
{ name: 'Saint Kitts and Nevis' },
{ name: 'Saint Lucia' },
{ name: 'Saint Martin (French part)' },
{ name: 'Saint Pierre and Miquelon' },
{ name: 'Saint Vincent and the Grenadines' },
{ name: 'Samoa' },
{ name: 'San Marino' },
{ name: 'Sao Tome and Principe' },
{ name: 'Saudi Arabia' },
{ name: 'Senegal' },
{ name: 'Serbia' },
{ name: 'Seychelles' },
{ name: 'Sierra Leone' },
{ name: 'Singapore' },
{ name: 'Sint Maarten (Dutch part)' },
{ name: 'Slovakia' },
{ name: 'Slovenia' },
{ name: 'Solomon Islands' },
{ name: 'Somalia' },
{ name: 'South Africa' },
{ name: 'South Georgia and the South Sandwich Islands' },
{ name: 'Korea (Republic of)' },
{ name: 'South Sudan' },
{ name: 'Spain' },
{ name: 'Sri Lanka' },
{ name: 'Sudan' },
{ name: 'Suriname' },
{ name: 'Svalbard and Jan Mayen' },
{ name: 'Swaziland' },
{ name: 'Sweden' },
{ name: 'Switzerland' },
{ name: 'Syrian Arab Republic' },
{ name: 'Taiwan' },
{ name: 'Tajikistan' },
{ name: 'Tanzania, United Republic of' },
{ name: 'Thailand' },
{ name: 'Timor-Leste' },
{ name: 'Togo' },
{ name: 'Tokelau' },
{ name: 'Tonga' },
{ name: 'Trinidad and Tobago' },
{ name: 'Tunisia' },
{ name: 'Turkey' },
{ name: 'Turkmenistan' },
{ name: 'Turks and Caicos Islands' },
{ name: 'Tuvalu' },
{ name: 'Uganda' },
{ name: 'Ukraine' },
{ name: 'United Arab Emirates' },
{ name: 'United Kingdom of Great Britain and Northern Ireland' },
{ name: 'United States of America' },
{ name: 'Uruguay' },
{ name: 'Uzbekistan' },
{ name: 'Vanuatu' },
{ name: 'Venezuela (Bolivarian Republic of)' },
{ name: 'Viet Nam' },
{ name: 'Wallis and Futuna' },
{ name: 'Western Sahara' },
{ name: 'Yemen' },
{ name: 'Zambia' },
{ name: 'Zimbabwe' },
]
const Header = ({ input, handleChange, handleSubmit }) => {
return (
<form onSubmit={handleSubmit}>
Input:{' '}
<input
style={{ border: '1px solid blue' }}
type="text"
value={input}
onChange={handleChange}
/>
</form>
)
}
function App() {
const [countries, setCountries] = useState(countriesList)
const [searchTerm, setSearchTerm] = useState('')
const [input, setInput] = useState('')
// console.log('countries global', countries) // never changes
const filteredCountries = countries.filter(country => {
return country.name.toLowerCase().startsWith(searchTerm.toLowerCase())
? country
: null
})
const handleChange = event => {
event.preventDefault()
setInput(event.target.value)
}
const handleSubmit = e => {
e.preventDefault()
setSearchTerm(input)
setInput('')
}
const countryDetail = () => {
return filteredCountries.map(country => {
return (
<div>
<strong>Country Detail</strong> <br />
Name: {country.name} Capital: {country.capital}
</div>
)
})
}
const content = () => {
if (filteredCountries.length > 5 && !searchTerm) {
return (
<div>
{countries.map(country => (
<div>
{country.name}
<div></div>
</div>
))}
</div>
)
} else if (filteredCountries.length === 0) {
return <div>No matches, try again</div>
} else if (filteredCountries.length > 5 && searchTerm) {
return <div>More than 5 results, please adjust criteria</div>
} else if (filteredCountries.length === 1) {
return countryDetail()
} else {
return filteredCountries.map(country => {
const handleShow = () => {
setSearchTerm(country.name)
}
return (
<div key={country.alpha2Code}>
{country.name}
<button onClick={handleShow}>details</button>
</div>
)
})
}
}
return (
<div>
<Header
input={input}
searchTerm={searchTerm}
handleChange={handleChange}
handleSubmit={handleSubmit}
/>
<div>{content()}</div>
</div>
)
}
export default App
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