@unicef-polymer/etools-unicef/src/etools-translate/typed-keys.d.ts

eTools UNICEF library of reusable components

import { ITranslateConfig, Values, ValuesCallback } from './types';
/**
 * A factory function that wraps get, translate and translateUnsafeHTML to make the keys typesafe.
 */
export declare function typedKeysFactory<Keys extends Record<string, unknown>>(): {
    get<T extends ObjectLookupString<Keys, 10, ".">>(key: T, values?: Values | ValuesCallback | null, config?: ITranslateConfig): string;
    translate<T_1 extends ObjectLookupString<Keys, 10, ".">>(key: T_1, values?: Values | ValuesCallback | null, config?: ITranslateConfig): import("lit-html/directive").DirectiveResult<typeof import("./directives/translate").TranslateDirective>;
    translateUnsafeHTML<T_2 extends ObjectLookupString<Keys, 10, ".">>(key: T_2, values?: Values | ValuesCallback | null, config?: ITranslateConfig): import("lit-html/directive").DirectiveResult<typeof import("./directives/translate-unsafe-html").TranslateUnsafeHTMLDirective>;
};
export type ObjectLookupString<T, MaxDepth extends number = 10, Separator extends string = '.'> = ObjectLookupStringHelper<T, ``, MaxDepth, 0, Separator>;
type SimpleValue = string | number | bigint | boolean | symbol | RegExp | Date | null | undefined;
type IgnoredLookupValue = SimpleValue | CallableFunction | Set<unknown> | WeakSet<never> | Map<unknown, unknown> | WeakMap<never, unknown>;
type MaybeSuffixWithSeparator<T extends string, Separator extends string = '.'> = T extends `` ? T : `${T}${Separator}`;
type ObjectLookupStringHelper<T, Acc extends string, MaxDepth extends number, CurrentDepth extends number = 0, Separator extends string = '.'> = {
    [Key in keyof T]: Key extends string ? CurrentDepth extends MaxDepth ? `${MaybeSuffixWithSeparator<Acc, Separator>}${Key}` : T[Key] extends IgnoredLookupValue ? `${MaybeSuffixWithSeparator<Acc, Separator>}${Key}` : T[Key] extends (infer El)[] | readonly (infer El)[] ? `${MaybeSuffixWithSeparator<Acc, Separator>}${Key}${Separator}${number}` | El extends IgnoredLookupValue ? `${MaybeSuffixWithSeparator<Acc, Separator>}${Key}${Separator}${number}` : ObjectLookupStringHelper<El, `${MaybeSuffixWithSeparator<Acc, Separator>}${Key}${Separator}${number}`, MaxDepth, Next<CurrentDepth>> : `${MaybeSuffixWithSeparator<Acc, Separator>}${Key}` | ObjectLookupStringHelper<NonNullable<T[Key]>, `${MaybeSuffixWithSeparator<Acc, Separator>}${Key}`, MaxDepth, Next<CurrentDepth>> : never;
}[keyof T];
export type Next<T extends number> = [
    1,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
    9,
    10,
    11,
    12,
    13,
    14,
    15,
    16,
    17,
    18,
    19,
    20,
    21,
    22,
    23,
    24,
    25,
    26,
    27,
    28,
    29,
    30,
    31,
    32,
    33,
    34,
    35,
    36,
    37,
    38,
    39,
    40,
    41,
    42,
    43,
    44,
    45,
    46,
    47,
    48,
    49,
    50,
    51,
    52,
    53,
    54,
    55,
    56,
    57,
    58,
    59,
    60,
    61,
    62,
    63,
    64,
    65,
    66,
    67,
    68,
    69,
    70,
    71,
    72,
    73,
    74,
    75,
    76,
    77,
    78,
    79,
    80,
    81,
    82,
    83,
    84,
    85,
    86,
    87,
    88,
    89,
    90,
    91,
    92,
    93,
    94,
    95,
    96,
    97,
    98,
    99,
    100,
    101
][T];
export {};