I have an source object obj that looks like this and an array input I need to push objects that are formed after spiltting input by . After splitting, using left side of the string i need to form an object like this { type: “type1”, value: whatever the left hand value} Same for right side value { …
Tag: ecmascript-5
How to convert common js to ES6 modules?
I know that there are many solutions to convert es6 to js. but when I was searching, I didn’t find any solution converting js to es6! in my case I really need to convert this code to es6: Answer I’m not familiar with m3o, but my ES6 translation of what you posted would be:
How to update this axios service for being able conditionally decide which API URL to use?
I have the following axis service: I need conditionally pass isAdmin from outside for being able to switch the API URL here. How can be it achieved. Answer You can use multiple instances for each baseURL and call the instance by isAdmin condition. However, you can config the defaults that will be applied to e…
How to separate CRUD routes on Node.js and Express?
when you want to have all CRUD operations of your model in one file it’s done in such a way as our 1st method: routes.js users.js BUT what if we want to want to have separate files for CRUD in this form as a 2nd method ? users |__patchUser.js |__deleteUser.js |__index.js I expect the index file to be si…
Check whether an Object contains a specific value in any of its array
How to find if an object has a value? My Object looks like below: I have to loop through the object array and check if an array has “SPOUSE” in its value. if exist set a flag spouseExits = true and store the number (in this case (4 because [SPOUSE<NUMBER>] NUMBER is 4) in a variable ‘s…
QuerySnapshot.empty causes a promise rejection error
I have a back-end using firebase-admin and express to allow post requests from the client to the server to make changes to the firestore I have that contains stuff like user data (this is a test and not a real product). I want to check if a document already exists so a user cannot register with that username …
How to filter array of objects where object has property tagId or keywordId in JS?
I have an array of objects and I am trying to filter it by checking if the object has property tagId or keywordId. I thought about this but not sure if it’s the correct way. Is there better way to achieve the above-explained result and get a filtered array of objects which include either tagId or keywor…
Getting error while referencing the type as index
I have an array of objects with the following structure I need to take each key within each object inside array and form an array out of it. Basically grouping based on the key present in all the objects.If the object has no “values” it should return 0 across the val1,val2,val3. Here I am passing …
How to understand JS realms
In ECMAScript specification there is notion of “realms” introduced: Before it is evaluated, all ECMAScript code must be associated with a realm. Conceptually, a realm consists of a set of intrinsic objects, an ECMAScript global environment, all of the ECMAScript code that is loaded within the scop…
JavaScript: use defineProperty accessor on an array’s .length?
I would like (mainly for academic reasons) to be able to set an accessor on an array’s length using Object.defineProperty(), so than I can notify for size changes. I am aware of ES6 object observe, and watch.js, but I would like to attempt to do this in ES5 without extra libraries if possible, even if t…