Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | 44x 4x 43x 43x 6x 6x 6x 43x 4x 4x 4x 43x 2x 2x 43x 106x 2x 43x 25x 25x 36x 25x 43x 18x 18x 18x 18x 18x 6x 18x 18x 18x 34x 18x 13x 18x 18x 43x 43x 43x | import React, { useState } from "react";
import { Pagination } from "react-bootstrap";
export const emptyArray = () => []; // factored out for Stryker testing
const OurPagination = ({
updateActivePage,
totalPages = 10,
maxPages = 8,
testId = "OurPagination",
}) => {
const [activePage, setActivePage] = useState(1);
const nextPage = () => {
const newPage = Math.min(activePage + 1, totalPages);
setActivePage(newPage);
updateActivePage(newPage);
};
const prevPage = () => {
const newPage = Math.max(activePage - 1, 1);
setActivePage(newPage);
updateActivePage(newPage);
};
const thisPage = (page) => {
setActivePage(page);
updateActivePage(page);
};
const pageButton = (number) => (
<Pagination.Item
key={number}
active={number === activePage}
onClick={() => thisPage(number)}
data-testid={`${testId}-${number}`}
>
{number}
</Pagination.Item>
);
const generateSimplePaginationItems = () => {
const paginationItems = emptyArray();
for (let number = 1; number <= totalPages; number++) {
paginationItems.push(pageButton(number));
}
return paginationItems;
};
const generatePaginationItemsWithEllipsis = () => {
const paginationItems = emptyArray();
const leftEllipsis = activePage > 3;
const rightEllipsis = activePage < totalPages - 2;
paginationItems.push(pageButton(1));
if (leftEllipsis) {
paginationItems.push(
<Pagination.Ellipsis
key="left-ellipsis"
data-testid={`${testId}-left-ellipsis`}
/>,
);
}
// Show a range of pages around the active page
let start = Math.max(activePage - 1, 2);
let end = Math.min(activePage + 1, totalPages - 1);
for (let number = start; number <= end; number++) {
paginationItems.push(pageButton(number));
}
if (rightEllipsis) {
paginationItems.push(
<Pagination.Ellipsis
key="right-ellipsis"
data-testid={`${testId}-right-ellipsis`}
/>,
);
}
paginationItems.push(pageButton(totalPages));
return paginationItems;
};
const generatePaginationItems = () =>
totalPages <= maxPages
? generateSimplePaginationItems()
: generatePaginationItemsWithEllipsis();
return (
<Pagination>
<Pagination.Prev onClick={prevPage} data-testid={`${testId}-prev`} />
{generatePaginationItems()}
<Pagination.Next onClick={nextPage} data-testid={`${testId}-next`} />
</Pagination>
);
};
export default OurPagination;
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