I have an array that looks like this: So as a strucutre it would be something like: This wierd array of objects happens because at some point, in our app, we are creating an array of reasons to object something using the same object. I need to be able to merge the nested array of objects to look like this:
Tag: lodash
filter an array of objects in javascript, with siblings that match on a common key value
Suppose I have a javascript array of objects that looks like this: Now, suppose that I have a search string, like “War” or “and”. I want to get an array of objects where “title” contains the search string (case insensitive), but I want to ALSO include any sibling values wit…
Why does lodash throttle not work within the useWindowSize custom hooks?
I’m trying to use resize event with throttle. However, it doesn’t work. I tried to debug it as follow: As seen from the code above, I’ve been trying to log out before I use the throttle func from lodash. It does print out, but the log inside the throttle itself doesn’t. Anyone knows wh…
how could set multi separator of “_.truncate” of Lodash?
how can I separate by “,” or “-” or ” ” ? if setting “/,- +/” is not working, what should I do? Answer Your regular expression is basically saying, “match ,- followed by at least one space”. Check it on Regex101 This would match “,- “, fo…
Finding out number of occurence of a key in a nested JS object
I have a nested object like Now I want to get the level of the master parent object or basically how many times a parent object has been nested. In this case, I should be getting an output of 3. Answer You could also do it recursively like this:
How to remove a key from inner object through lodash
I want to delete the color key under users. For this, I have written the following code snippet in Lodash. But it gives me the following { … } How can achieve the following output? Answer You have to loop over the array and use omit Arguments of omit is 1) object: The source object. 2) [paths] (…(string…
Passing _.groupBy to _.partialRight seems to give incorrect results
Here’s a JavaScript object, and here’s a code that correctly groups the items by .id in each of the two arrays ojb.a and obj.b, the result being The lambda, however, is in fact just the partial application of _.groupBy to its second argument, which is set to ‘id’, so I thought somethin…
How to get changes between 2 arrays of objects? [ lodash/ JS]
I have a table already populated with dataset from API. For demo, let just say I have 2 already added row on the table which I fetched from API. Now, I edited the second row also added another row. So what I want to achieve is that I want to get a new array of objects which have the the
understanding lodash `.every` behavior
I have this very simple example that I cannot understand why it doesn’t work as I would expect. This returns false why???? Shouldn’t this code mean, if every property in the object fulfills this condition then return true? Answer For objects you should use a predicate like below : @Michael you are…
How do I split an array of objects into multiple arrays of objects while filtering for duplicates?
Ok, tall order I know. So here’s my situation, say I have the array of objects below I would like for this to be changed to [{name: bar1, label: bar1}, {name: bar4, label: bar4},{name: bar7, label: bar7}] [{name: bar2, label: bar2}, {name: bar5, label: bar5},{name: bar8, label: bar8}] [{name: bar3, labe…