I have been initializing some constant classes as
export class A {
foo: string,
b: B
}
export class B {
bar: number
}
And then importing them into another class and initializing them in another file. However, if I have issues using class B when I want to initialize class A.
Example:
import { A, B } from '../models/class';
export const myVariable: A = {
foo: 'FOO',
b: B = {
bar: 5
}
}
the first assignment is correct. However, the B class inside A will give me the error - Cannot assign to 'B' because it is an import.
This isn't how you assign a value to a property in an object literal:
{
foo: 'FOO',
b: B = {
bar: 5
}
}
Basically you're trying to assign an object to B itself instead of to the b property on your object, and then trying to assign the result of that assignment to the b property. Which doesn't really make sense.
You're probably getting confused over the usages of the : character. When declaring a variable in TypeScript, it's used to indicate the type. When defining an object literal in JavaScript (and therefore also TypeScript), it's used to define a value for an object's property.
This is how you define an object literal:
{
foo: 'FOO',
b: {
bar: 5
}
}