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bherrero/SectionList.js

Created April 27, 2017 21:50
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  1. bherrero revised this gist Apr 27, 2017. No changes.
  2. bherrero created this gist Apr 27, 2017.
    13 changes: 13 additions & 0 deletions SectionList.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,13 @@
    // maps it's an array of objects
    // groupBy to extract section headers
    let dataSource = _.groupBy(maps, o => o.name);
    // reduce to generate new array
    dataSource = _.reduce(dataSource, (acc, next, index) => {
    acc.push({
    key: index,
    data: next
    });
    return acc;
    }, []);

    return dataSource;