// dummy sources
const departments = [{ code: 'DA', title: 'Department A'},
{ code: 'DB', title: 'Department B'},
{ code: 'DC', title: 'Department C'},
{ code: 'DD', title: 'Department D'},
]
const reviewers = ['Department A', 'Department C', 'Department D']
const approvers = ['Department C']
const SFC = props => (
<div>
{
departments.map(({ code, title }, i) => (
<p className = "row" >
{reviewers.indexOf(title) !== -1 && ( <span>reviewer_{code}</span> )}
{approvers.indexOf(title) !== -1 && ( <span>approver_{code}</span> )}
</p>))
}
</div>
)
// Render it
ReactDOM.render( <
SFC / > ,
document.getElementById("react")
)
.row {
border: 1px solid black;
padding: 1em ;
margin: 1em ;
}
.row span {
background: lightblue ;
padding: 1em ;
margin: 1em ;
}
<div id="react"></div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>
https://stackoverflow.com/questions/ask#
Мне не нужно создавать пустую строку, в которой нет рецензентов или утверждающих. Я попробовал это:
const SFC = props => (
<div>
{
departments.map(({ code, title }, i) => (
{ reviewers.indexOf(title) !== -1 & || approvers.indexOf(title) !== -1 &&
(
<p className = "row" >
{reviewers.indexOf(title) !== -1 && ( <span>reviewer_{code}</span> )}
{approvers.indexOf(title) !== -1 && ( <span>approver_{code}</span> )}
</p>
)
}
))
}
</div>
)
Я получаю ошибку с тестом reviewers.indexOf(title) !== -1 & || approvers.indexOf(title) !== -1 && <component />
. Я тоже пробовал (reviewers.indexOf(title) !== -1 || approvers.indexOf(title) !== -1) && <component />
, но безрезультатно. Есть идеи?