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Adds cursorFrom function in step "Paginated queries" #825

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Adds cursorFrom function in step "Paginated queries" #825

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7 changes: 4 additions & 3 deletions docs/source/tutorial/resolvers.md
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Original file line number Diff line number Diff line change
Expand Up @@ -194,15 +194,16 @@ module.exports = {
pageSize,
results: allLaunches
});

const cursorFrom = items => items[items.length - 1].cursor

return {
launches,
cursor: launches.length ? launches[launches.length - 1].cursor : null,
cursor: launches.length ? cursorFrom(launches) : null,
// if the cursor of the end of the paginated results is the same as the
// last item in _all_ results, then there are no more results after this
hasMore: launches.length
? launches[launches.length - 1].cursor !==
allLaunches[allLaunches.length - 1].cursor
? cursorFrom(launches) !== cursorFrom(allLaunches)
: false
};
},
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