I need to merge two object, with an array inside, together :
res : [ { data: [1,2,3] }, { data: [4,5,6] } ]
And the result will look like this :
res : [1,2,3,4,5,6]
How can I get there ?
Thank you !
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Answer below (at least my attempt at it). Please take a look at SO's How to ask page for your future questions though. Thanks!Jeto– Jeto2018-03-09 22:06:05 +00:00Commented Mar 9, 2018 at 22:06
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This has nothing to do with TypeScript...gilamran– gilamran2018-03-09 22:29:49 +00:00Commented Mar 9, 2018 at 22:29
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2 Answers
You can use Array.map as follows:
const input = [{ data: [1, 2, 3] }, { data: [4, 5, 6] }];
const output = [].concat(...input.map((item) => item.data));
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You can use Array.reduce along with Array.concat:
let input = [ { data: [1,2,3] }, { data: [4,5,6] } ];
let result = input.reduce((result, entry) => result.concat(entry.data), []);
console.log(result);
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