Is it possible to create an interface in a typescript method?

Question

Minor note: Is it possible to include method in TypeScript interface? may seem similar but it's asking the reverse of what this question is.

I have a typescript method that uses an options parameter that works and compiles fine:

  async addKickingRule(options: KickingRuleOptions = {
    time: 60 * MINUTES,
    privileges: ALL_PRIVILEGES
  }) {
    ...
  }

It uses an interface defined elsewhere:


interface KickingRuleOptions {
  time: number,
  privileges: Privileges[],
  channel?: string,
  userID?: string,
  ipAddress?: string
}

Again, this works fine. However I feel it would be easier for my colleagues if the interface was defined in-the body of the method.

Can I use an options object in a typescript method and define the options interface in the body of the method?

tonakai · Accepted Answer · 2020-10-19 11:33:31Z

4

you can do something like this:

async addKickingRule(options: {
  time: number,
  privileges: Privileges[],
  channel?: string,
  userID?: string,
  ipAddress?: string
} = {
  time: 60 * MINUTES,
  privileges: ALL_PRIVILEGES
}) {
  ...
}

answered Oct 19, 2020 at 11:33

tonakai

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