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json-to-pivot-json
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Convert JSON Array to Pivot JSON Array
There are many libraries which accepts JSON array and few config such as Pivot Row, Pivot Column and Value field which needs to be aggregated. But output of all these modules is JSON object with helper functions.
I couldn't find a library which gives output as JSON array only. This library serves that purpose. It internally uses Crossfilter and hence it's fast for larger datasets as well.
npm install --save json-to-pivot-json
var jsonToPivotjson = require("json-to-pivot-json");
var input = [
{student: "Andrew", subject: "Maths", marks: 85},
{student: "Andrew", subject: "Science", marks: 82},
{student: "Andrew", subject: "Computers", marks: 90},
{student: "John", subject: "Maths", marks: 90},
{student: "John", subject: "Science", marks: 85},
{student: "John", subject: "Electronics", marks: 75}
];
var options = {
row: "student",
column: "subject",
value: "marks"
};
var output = jsonToPivotjson(input, options);
console.log(output);
//output
[
{ student: 'Andrew', Computers: 90, Electronics: 0, Maths: 85, Science: 82 },
{ student: 'John', Computers: 0, Electronics: 75, Maths: 90, Science: 85 }
]
Only supports single column, row and value for pivoting for now.
Support of multiple rows and columns, but not sure how would output look like? Suggestions are welcome :)
Apache License 2.0
FAQs
Convert JSON Arrays to Pivot JSON Arrays using Crossfilter
The npm package json-to-pivot-json receives a total of 177 weekly downloads. As such, json-to-pivot-json popularity was classified as not popular.
We found that json-to-pivot-json demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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