Skip to content
Advertisement

Tag: types

Using union type as function parameter

I have a type defined like so: where FieldValue is a union of types: I have a variable object where I then declare the functions set by the above types: This produces an error where the values in the object are not of type FieldToAction, I kind of understand why since I am now constraining the parameter to be a

JavaScript converting the string “constructor” to [Function: Object]

I’m building a parser for a simple interpreter in JavaScript. I have a preprocessor method that removes specific tokens from an input list of tokens produced by the tokenizer: Each token is an object like this, with both type and value being strings: Somewhere in this function, when tokens[i].value == ‘constructor’, said value is being converted to the actual JS

Typescript Pick optionnal unset variable

I’m trying to use the “pick” function of typescript to get all the possible values of my objects. My objects have optional attributes so they are not necessarily set and I also try to convert “type” attribut to a type with : but I think there is a better way to do it and I don’t know where to use

javascript typescript create a object

i have a property like this “data.property” = “16165456”.. i try to create a object like this i use split and and loop but not work Answer A few issues: currentObject[part] = currentObject[part] is a statement that accomplishes nothing. You’d want to indicate what to assign when that property does not yet exist, so do: this.currentObject is a property, and

How do I type-check this object in Typescript

I am in a state of confusion on how I would go about type-checking this variable, but I am not able to do it. What I understand is that this is an object which contains fields, but these fields are written in a obscure way. The object is called userApproval Here is the object when I output it to console.

Advertisement