I have a nested json object and define a interface for it But when I use it. It appear a warning. What did I do wrong or missing? Answer You didn’t do anything wrong per se. TypeScript just cannot infer whether your menuPermissionForKey is a Menu object or a string array. Ideally, you’d define you…
Tag: nested
Searching Objects for Values and placing into new array
I’m attempting to search each of the objects listed below from my dataset to see if they contain a value and if they do have that value to add the entire object into a new array. Example: Search List of Objects for Data “Continuous”, if that data exists (Which it does in Doormerica and Hager…
javascript alternative “filter some”, for nested array?
Hi, To filter various data at the same time in the following table, I’m trying to find an simple alternative to avoid nested loops for this scenario : also to filter with an array of values ( tagsExist ( the id’s are the names ) ) as follows : the “some” in the “filter” a…
How to convert array into JavaScript object
I have an array like this (which is similar to a JSON array) of length n: I would like to convert it into a nested Object like so: Essentially, the object is categorised according to the categorynumber and then optionnumber. (Please keep the format of “Phrase 4” and “Phrase 5” in view.…
How to create a new object as a subset of object properties of any depth, while renaming properties on the fly
Although a plethora of posts have been dedicated to the topic, I still couldn’t find a satisfying idea how to subset object properties of any depth. More so, I would also like to rename the selected keys on the fly. What I’m aiming to achieve is a generic function, let’s call it select(), th…
How can I return my data in this nested promise model?
I have this function, I created it but then I’m getting confused and don’t know how to return the data. I have tried Promise.all() before but it’s seems I do not quite understand it so I have removed it from my code, I don’t know if it’s a correct way to do it or not. I’m f…
I m getting confuse why I am getting the second Result first..?
Now the issue is when I am calling (first function) this is giving me the (second) first, I just wanted to know what is exactly happening here how this is working..? and how the second function’s value is passing inside first function..? (because there is no parameter inside first function) Answer Let&#…
Javascript array recursion question – looping through “sections”
I’m strugguling with Javascript on how to find all combinations of an array source with n depth that is broken into sections (0, 1, & 2 in example below). I want to end up with each possible cominbation – and each returned array should include one and only one value from each group. I’ve…
Accessing nested arrays with dynamic depth via indices
I’m fairly new to typescript and I have some issues to access an object in array with dynamic depth. For example: To get Folder4 I’d use the dot notation like: this.folder[0].children[0].children[1] Now I was wondering, if there is a way to dynamicly access the object via the position array withou…
Get parent, grandparent and key in the deep nested object structure
I have a deeply nested structure in the javascript object without any arrays in it. When I call the function with a target, I want to get the taget key itself, parent and grandparent. For example, if the target is ‘c’, arr should become if target is ‘greatgrand’, it should become Thank…