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Process the input & print out in the console an output where people are grouped by the same color they have.
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/* | |
We need you to process the above input & print out in the console an output where people are grouped by the same color they have. | |
Assumptions: | |
- Group1: is an object inside another object, groups | |
- John: is a property of the object, Group1 | |
*/ | |
const groups = { | |
Group1: { | |
John: "Blue", | |
Peter: "Green" | |
}, | |
Group2: { | |
Jane: "Red", | |
May: "Green" | |
}, | |
Group3: { | |
Howard: "Blue", | |
Nguyen: "Red", | |
Lim: "Green" | |
} | |
}; | |
const processNamesByColor = (data) => { | |
let group, value, group_name, result = {}, newgroup = {} | |
for(let key in data) { | |
group_name = key; // Group 1 | |
group = data[key] // {Howard: 'Blue', Nguyen: 'Red', Lim: 'Green'} | |
// iterate over each object | |
for(let property in group){ | |
value = Object.values(group) // [ 'Blue', 'Green' ] | |
result[property] = group[property] | |
} | |
newgroup[group_name] = [] | |
} | |
let sorted_by_color = Object.entries(result).sort((a, b) => a[1].localeCompare(b[1])).map(el=>el) | |
let group_split_by_color = sorted_by_color.filter(function(color) { | |
let array_to_object = color.reduce(function(obj, val) { | |
obj[val] = color[1]; | |
return obj; | |
}, {}) | |
if(color[1] === 'Green'){ | |
newgroup['Group1'] = array_to_object | |
} else if (color[1] === 'Blue'){ | |
newgroup['Group2'] = array_to_object | |
} else if (color[1] === 'Red'){ | |
newgroup['Group3'] = array_to_object | |
} | |
}) | |
console.log(newgroup); | |
return newgroup | |
} | |
console.log(processNamesByColor(groups)); |
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