how to create custom datatype in typescript?

Question

I have a object like below

export const appErrorTemplate = {
    NO_APP : {
        template : 'Unable to initialize #{0}()!',
        code : 'no-app'
    },
    NO_REQ_FOUND : {
        template : '#{0}() requires \'#{1}\' to process!',
        code : 'no-required-found'
    },
    MISMATH : {
        template : '#{0}() required #{1} but \'#{2}\' found!',
        code : 'mismatch'
    },
    NOT_SATISFY : {
        template : 'Given parameter on #{0}() does not satisfied #{1} constrains',
        code : 'not-satisfy'
    },
    UNKNOWN : {
        template : 'Something went wrong!',
        code : 'unknown'
    }
};

How to define datatype like object which has array of object on that each object will be string,string

I'm not sure what exactly you're looking for, but this question i think is relevant: stackoverflow.com/questions/13212521/typescript-static-classes — blueberryfields
– blueberryfields, Commented Sep 28, 2018 at 2:20

Matt McCutchen · Accepted Answer · 2018-09-28 02:37:20Z

17

It looks like you have not an array, but an object with a variable set of properties all of the same type. That can be described with a string index signature.

type AppErrorTemplateType = {
    [name: string]: {
        template: string,
        code: string
    }
};

answered Sep 28, 2018 at 2:37

Matt McCutchen

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