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@Aaronius
Last active September 13, 2019 21:15
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Memoize
const getCommaDelimitedKeys = memoize(object => {
return Object.keys(object).join(",");
});
const fruits = {
apple: 95,
avocado: 234,
banana: 133
};
// apple,avocado,banana
console.log(getCommaDelimitedKeys(fruits));
console.log(getCommaDelimitedKeys(fruits));
const getCommaDelimitedKeys = memoize((...objects) => {
const allUniqueKeys = objects.reduce((allUniqueKeys, object) => {
Object.keys(objectKeys).forEach(key => {
if (allUniqueKeys.indexOf(key) === -1) {
allUniqueKeys.push(key);
}
});
return allUniqueKeys;
}, [])
return allUniqueKeys.join(",");
});
const getCommaDelimitedKeys = memoize((...objects) => {
const allUniqueKeys = objects.reduce((allUniqueKeys, object) => {
Object.keys(objectKeys).forEach(key => {
if (allUniqueKeys.indexOf(key) === -1) {
allUniqueKeys.push(key);
}
});
return allUniqueKeys;
}, [])
return allUniqueKeys.join(",");
}, (...objects) => {
return objects.reduce((allIds, object) => {
allIds.push(object.id);
return allIds;
}, []);
});
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