I'm currently working on a scenario where I need to divide a string type into a Record.
For example:
const string = "Thank you"and my goal is to transform it into
Record<'Thank' | 'you', string>Is there a simple method to accomplish this task?
Appreciate any help. Thank you
The utilization of Template literal types is crucial.
const MY_STRING = "Thank you";
type Split<S extends string, D extends string> =
string extends S ? string[] :
S extends '' ? [] :
S extends `${infer T}${D}${infer U}` ? [T, ...Split<U, D>] : [S];
type MY_STRING_PARTS_TUPLE = Split<typeof MY_STRING, ' '>
type MY_STRING_PARTS = MY_STRING_PARTS_TUPLE[number];
type MY_RECORD = Record<MY_STRING_PARTS, string>
You need to use Template literal types See also Template literal types playground
const MY_STRING = "Thank you";
type Split<S extends string, D extends string> =
string extends S ? string[] :
S extends '' ? [] :
S extends `${infer T}${D}${infer U}` ? [T, ...Split<U, D>] : [S];
type MY_STRING_PARTS_TUPLE = Split<typeof MY_STRING, ' '>
type MY_STRING_PARTS = MY_STRING_PARTS_TUPLE[number];
type MY_RECORD = Record<MY_STRING_PARTS, string>
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