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How to write a React component
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| import { useQuery } from 'react-query' | |
| import LoadingIndicator from '../core/components/LoadingIndicator | |
| import ErrorMessage from '../core/components/ErrorMessage | |
| import { Report } from '../types' | |
| import { showTeamReport } from '../utils/ApiHelper.js' | |
| // Note: Declare with interface, not type. | |
| interface ReactTableProps { | |
| teamId: string | |
| } | |
| // Note: Don't type using React.FC; that's deprecated. | |
| const TeamReport = ({ teamId }: ReactTableProps) => { | |
| const { isLoading, isError, error, data } = useQuery<Report>(['reports', teamId], async () => (await showTeamReport(teamId, reportId)).data) | |
| if (isLoading) return <LoadingIndicator /> | |
| if (isError) return <ErrorMessage error={error}/> | |
| return (<div> | |
| <h1>{data.title}</h1> | |
| <p>Total expenses: {data.expenses_total}</p> | |
| <p>Total distances: {data.kms_total}</p> | |
| </div>) | |
| } | |
| export default TeamReport |
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| // https://www.typescriptlang.org/docs/handbook/interfaces.html | |
| type AllowedAction = 'Unsubmit' | 'Delete' | 'Approve' | 'Reject' | 'Mark as Paid' // non-exhaustive list for demo only | |
| interface Approver { | |
| approver: "You" | string; | |
| approved: boolean; | |
| position: number; | |
| approved_on: string; | |
| } | |
| interface Report { | |
| commute_disallowance_enabled: boolean; | |
| daily_disallowance: number; | |
| date_range: string[] | null; | |
| disallowance_amount: number; | |
| disallowed_kms: number; | |
| disallowed_miles: number; | |
| employee_number: string | null; | |
| expenses_total: number; | |
| from_date: string | null; | |
| is_locked: boolean; | |
| is_public: boolean; | |
| kms_total: number; | |
| allowed_actions: IAllowedAction[]; | |
| approvers: Approver[] | |
| // ... additional properties | |
| } |
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