Prefer using 'as Movie[]' over '<Movie[]>' in @typescript-eslint/consistent-type-assertions rule suggestion

I am currently working with a Vuex store:

type Movie = {
  title: string;
  id: number;
}

export default new Vuex.Store({
  state: {
    searchList: <Movie[]>[],
  },

Upon compiling my code, an error is generated:

The error message suggests to replace '<Movie[]>' with 'as Movie[]' @typescript-eslint/consistent-type-assertions

However, I am uncertain about the correct syntax to use.

I attempted the following:

export default new Vuex.Store({
  state: {
    searchList as Movie[]
  },

Unfortunately, this resulted in the following error:

The shorthand property 'searchList' does not have a value declared within scope. Please declare one or provide an initializer.

Answer №1

It is requesting that you utilize the as type assertion to define the type of [].
An advantage of using as is its compatibility with TSX files (hence the name of the rule being "consistent").

export default new Vuex.Store({
  state: {
    searchList: [] as Movie[],
  },

If you are not working with TSX and prefer the angle-bracket syntax, it may be worth revisiting your linter rules.

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