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Uncapitalize account names in the generated account map types #959

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Uncapitalize account names in the generated account map types #959

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18 changes: 14 additions & 4 deletions ts/src/program/namespace/types.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -37,12 +37,22 @@ export type AllAccounts<IDL extends Idl> = IDL["accounts"] extends undefined
? IdlTypeDef
: NonNullable<IDL["accounts"]>[number];

type UncapitalizeKeys<T extends object> = Uncapitalize<keyof T & string>;

type UncapitalizeObjectKeys<T extends object> = {
[key in UncapitalizeKeys<T>]: Capitalize<key> extends keyof T
? T[Capitalize<key>]
: never;
};

/**
* Returns a type of instruction name to the IdlInstruction.
* Returns a type of account name to the IdlTypeDef of the account.
*/
export type AccountMap<I extends IdlTypeDef> = {
[K in I["name"]]: I & { name: K };
};
export type AccountMap<I extends IdlTypeDef> = UncapitalizeObjectKeys<
{
[K in I["name"]]: I & { name: K };
}
>;

/**
* Returns a type of instruction name to the IdlInstruction.
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