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import { ResolveType, ZipKeysWithValues } from './types.js';
export type valueof<K> = K[keyof K];
export function keysOf<T extends string>(obj: { [k in T]: unknown }): readonly T[] {
return (Object.keys(obj) as unknown[]) as T[];
}
export function numericKeysOf<T>(obj: object): readonly T[] {
return (Object.keys(obj).map(n => Number(n)) as unknown[]) as T[];
}
/**
* Creates an info lookup object from a more nicely-formatted table. See below for examples.
*
* Note: Using `as const` on the arguments to this function is necessary to infer the correct type.
*/
export function makeTable<
Members extends readonly string[],
Defaults extends readonly unknown[],
Table extends { readonly [k: string]: readonly unknown[] }
>(
members: Members,
defaults: Defaults,
table: Table
): {
readonly [k in keyof Table]: ResolveType<ZipKeysWithValues<Members, Table[k], Defaults>>;
} {
const result: { [k: string]: { [m: string]: unknown } } = {};
for (const [k, v] of Object.entries<readonly unknown[]>(table)) {
const item: { [m: string]: unknown } = {};
for (let i = 0; i < members.length; ++i) {
item[members[i]] = v[i] ?? defaults[i];
}
result[k] = item;
}
/* eslint-disable-next-line @typescript-eslint/no-explicit-any */
return result as any;
}
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