The title is a little bit confusing but I essentially want to convert this:
[
{a: 1, b: 2, c:3},
{a: 4, b: 5, c:6},
{a: 7, b: 8, c:9}
]
into:
{
a: [1,4,7],
b: [2,5,8],
c: [3,6,9]
}
using lodash (requirement). Any ideas???
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2 Answers
Here's a solution using lodash that maps across the keys and plucks the values for each key from the data before finally using _.zipOobject to build the result.
var keys = _.keys(data[0]);
var result = _.zipObject(keys, _.map(keys, key => _.map(data, key)));
Comments
Look for _.map here
input = [
{a: 1, b: 2, c:3},
{a: 4, b: 5, c:6},
{a: 7, b: 8, c:9}
];
output = {};
_.map(input, function(subarray){
_.map(subarray, function(value, key){
output[key] || (output[key] = []);
output[key].push(value);
});
});
console.log(output);
