Created
April 13, 2017 07:49
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Sort a JSON API response array of objects by a unique key
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// Example data from a JSON API that returns an array where each object | |
// has a unique ID. However the API returns the data in a random order. | |
var myObjects = [ | |
{ | |
data: 'APPL', | |
id: 33 | |
}, | |
{ | |
data: 'MSFT', | |
id: 241 | |
}, | |
{ | |
data: 'SNAP', | |
id: 1543 | |
} | |
]; | |
// Array of ids which represent the order we want | |
var order = [241, 33, 1543]; | |
// Create a meta-object dictionary with mappings between uniqueID -> data | |
var sortMap = {}; | |
for(o in myObjects) { | |
obj = myObjects[o]; | |
sortMap[parseInt(obj.id)] = obj; | |
} | |
console.log(sortMap); | |
// Create a new array that looks only N times where N is the number of objects | |
// in your desired order array. | |
var orderedObjects = []; | |
for(var i = 0; i < order.length; ++i) { | |
orderedObjects.push(sortMap[order[i]]); | |
} | |
console.log(orderedObjects); |
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