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perf(t): improve TypeScript compilation speed (for adapters) #15

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merged 2 commits into from
Dec 28, 2023
Merged

perf(t): improve TypeScript compilation speed (for adapters) #15

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f851096
perf(t): create a type for the factory
macarie Dec 28, 2023
fe9cf7f
perf(t): export types
macarie Dec 28, 2023
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191 changes: 96 additions & 95 deletions packages/t/source/factory.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,12 +8,12 @@ import type {
} from "@wluwd/t-utils";
import type { Get, Simplify, ValueOf } from "type-fest";

type ConcatKeys<
export type ConcatKeys<
Previous extends string,
New extends string,
> = Previous extends "" ? New : `${Previous}.${New}`;

type PathsToBranches<
export type PathsToBranches<
Branch extends Record<string, unknown>,
KeysFound extends string = "",
> = Simplify<
Expand All @@ -27,25 +27,25 @@ type PathsToBranches<
> &
string;

type AnyFunction = (...args: any) => any;
export type AnyFunction = (...args: any) => any;

interface Factory<
export interface Factory<
Fn extends AnyFunction = AnyFunction,
Name extends string | undefined = string,
> {
factory: Fn;
name: Name;
}

interface Fn<
export interface Fn<
Fn extends AnyFunction = AnyFunction,
Name extends string | undefined = string,
> {
fn: Fn;
name: Name;
}

type LocaleSetter<AllowedLocales extends string = string> = (
export type LocaleSetter<AllowedLocales extends string = string> = (
locale: AllowedLocales,
) => void;

Expand Down Expand Up @@ -94,14 +94,14 @@ export interface CreateTranslationsFactoryOptions<
};
}

type AnyTranslator = (translation: string, data: any) => string;
export type AnyTranslator = (translation: string, data: any) => string;

type LocaleGetter<
export type LocaleGetter<
Locale extends string,
SignalLike extends boolean,
> = () => SignalLike extends true ? () => Locale : Locale;

type TranslationsPicker<
export type TranslationsPicker<
Translations extends AnyTranslations,
SignalLike extends boolean,
> = <Prefix extends PathsToBranches<Translations>>(
Expand All @@ -110,33 +110,33 @@ type TranslationsPicker<
? () => Get<Translations, Prefix>
: Get<Translations, Prefix>;

type TranslationsPickerAsync<Translations extends AnyTranslations> = <
export type TranslationsPickerAsync<Translations extends AnyTranslations> = <
Prefix extends PathsToBranches<Translations>,
>(
prefix: Prefix,
) => Promise<Get<Translations, Prefix>>;

type LocaleGetterHookBuilder<
export type LocaleGetterHookBuilder<
Options extends Fn<LocaleGetter<string, boolean>, string>,
> = {
[key in Options["name"]]: Options["fn"];
};

type LocaleGetterFunctionBuilder<
export type LocaleGetterFunctionBuilder<
Options extends Fn<LocaleGetter<string, false>, string> | undefined,
> = Options extends object
? {
[key in Options["name"]]: Options["fn"];
}
: object;

type TranslationsGetterHookBuilder<
export type TranslationsGetterHookBuilder<
Options extends Fn<TranslationsPicker<AnyTranslations, boolean>, string>,
> = {
[key in Options["name"]]: Options["fn"];
};

type TranslationsGetterFunctionBuilder<
export type TranslationsGetterFunctionBuilder<
Options extends
| Fn<TranslationsPickerAsync<AnyTranslations>, string>
| undefined,
Expand All @@ -146,7 +146,7 @@ type TranslationsGetterFunctionBuilder<
}
: object;

type CreateTranslationsInstance<
export type CreateTranslationsInstance<
Locale extends string,
Translations extends AnyTranslations,
Options extends {
Expand All @@ -169,7 +169,7 @@ type CreateTranslationsInstance<
t: Options["translator"];
};

type WithLazyInit<
export type WithLazyInit<
Lazy extends boolean,
Locale extends string,
Input extends object,
Expand All @@ -179,14 +179,75 @@ type WithLazyInit<
} & Input
: Input;

export const createTranslationsFactory =
<
SignalLike extends boolean,
LocaleGetterHookName extends string,
TranslationsGetterHookName extends string,
LocaleGetterFunctionName extends string | undefined = undefined,
TranslationsGetterFunctionName extends string | undefined = undefined,
>({
export type CreateTranslationsFactory = <
SignalLike extends boolean,
LocaleGetterHookName extends string,
TranslationsGetterHookName extends string,
LocaleGetterFunctionName extends string | undefined = undefined,
TranslationsGetterFunctionName extends string | undefined = undefined,
>(
options: CreateTranslationsFactoryOptions<
SignalLike,
LocaleGetterFunctionName,
LocaleGetterHookName,
TranslationsGetterFunctionName,
TranslationsGetterHookName
>,
) => <
Loaders extends Record<string, LazyLoader>,
Locale extends keyof Loaders & string,
Translations extends Awaited<ReturnType<ValueOf<Loaders>>>,
Translator extends AnyTranslator,
Lazy extends boolean = false,
>(
translationLoaders: Loaders,
options: {
cache?: Partial<Record<Locale, Translations>>;
localeFrom: LocaleNegotiators<keyof Loaders & string>;
translator: Translator;
},
lazy?: Lazy,
) => Simplify<
WithLazyInit<
Lazy,
Locale,
CreateTranslationsInstance<
Locale,
Translations,
{
locale: {
function: LocaleGetterFunctionName extends undefined
? undefined
: {
fn: LocaleGetter<Locale, false>;
name: LocaleGetterFunctionName;
};
hook: {
fn: LocaleGetter<Locale, SignalLike>;
name: LocaleGetterHookName;
};
setter: LocaleSetter<Locale>;
};
translations: {
function: TranslationsGetterFunctionName extends undefined
? undefined
: {
fn: TranslationsPickerAsync<Translations>;
name: TranslationsGetterFunctionName;
};
hook: {
fn: TranslationsPicker<Translations, SignalLike>;
name: TranslationsGetterHookName;
};
};
translator: Translator;
}
>
>
>;

export const createTranslationsFactory: CreateTranslationsFactory =
({
locale: {
fn: localeFn,
hook: { factory: localeHookFactory, name: localeHookName },
Expand All @@ -197,87 +258,27 @@ export const createTranslationsFactory =
fn: translationsFn,
hook: { factory: translationsHookFactory, name: translationsHookName },
},
}: CreateTranslationsFactoryOptions<
SignalLike,
LocaleGetterFunctionName,
LocaleGetterHookName,
TranslationsGetterFunctionName,
TranslationsGetterHookName
>) =>
<
Loaders extends Record<string, LazyLoader>,
Locale extends keyof Loaders & string,
Translations extends Awaited<ReturnType<ValueOf<Loaders>>>,
Translator extends AnyTranslator,
Lazy extends boolean = false,
>(
translationLoaders: Loaders,
{
cache: initialCache,
localeFrom: negotiators,
translator,
}: {
cache?: Partial<Record<Locale, Translations>>;
localeFrom: LocaleNegotiators<keyof Loaders & string>;
translator: Translator;
},
lazy?: Lazy,
): Simplify<
WithLazyInit<
Lazy,
Locale,
CreateTranslationsInstance<
Locale,
Translations,
{
locale: {
function: LocaleGetterFunctionName extends undefined
? undefined
: {
fn: LocaleGetter<Locale, false>;
name: LocaleGetterFunctionName;
};
hook: {
fn: LocaleGetter<Locale, SignalLike>;
name: LocaleGetterHookName;
};
setter: LocaleSetter<Locale>;
};
translations: {
function: TranslationsGetterFunctionName extends undefined
? undefined
: {
fn: TranslationsPickerAsync<Translations>;
name: TranslationsGetterFunctionName;
};
hook: {
fn: TranslationsPicker<Translations, SignalLike>;
name: TranslationsGetterHookName;
};
};
translator: Translator;
}
>
>
> => {
const initTranslator = (initNegotiators?: LocaleNegotiators<Locale>) => {
for (const [locale, loader] of Object.entries(translationLoaders) as [
Locale,
LazyLoader,
][]) {
}) =>
(
translationLoaders,
{ cache: initialCache, localeFrom: negotiators, translator },
lazy,
) => {
const initTranslator = (initNegotiators?: LocaleNegotiators<string>) => {
for (const [locale, loader] of Object.entries(translationLoaders)) {
loaders.set(locale, loader);
}

if (initialCache) {
for (const [locale, translations] of Object.entries(initialCache) as [
Locale,
Translations,
string,
AnyTranslations,
][]) {
globalCache.set(locale, translations);
}
}

const availableLocales = Object.keys(translationLoaders) as Locale[];
const availableLocales = Object.keys(translationLoaders);

const activeNegotiators =
initNegotiators !== undefined ? initNegotiators : negotiators;
Expand Down