nodbot/CustomModules/Indexer.js

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JavaScript
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module.exports = (collection, page) => {
const itemsPerPage = 10;
const index = page * itemsPerPage;
const totalPages = Math.ceil(collection.size / itemsPerPage);
let state = page === 0 ? 'first' : 'middle';
const thisPage = new Array();
// Map the Djs Collection to an Array
const collectionArray = collection.map((command) => command);
for (let i = index; i < index + itemsPerPage; i++) {
if (collectionArray[i]) {
thisPage.push(collectionArray[i]);
} else {
state = 'last';
break;
}
if (i === collectionArray.size - 1) {
state = 'last';
break;
}
}
return {
state: state,
thisPage: thisPage,
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totalPages: totalPages,
pagesString: `${page + 1}/${totalPages}`
};
}