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_argument_types.ts
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_argument_types.ts
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// deno-lint-ignore-file no-explicit-any
import { Spread } from "./_spread.ts";
import {
CamelCase,
Merge,
MergeRecursive,
TrimLeft,
TrimRight,
} from "./_type_utils.ts";
import { Type } from "./type.ts";
import { TypeOrTypeHandler } from "./types.ts";
import { BooleanType } from "./types/boolean.ts";
import { FileType } from "./types/file.ts";
import { IntegerType } from "./types/integer.ts";
import { NumberType } from "./types/number.ts";
import { StringType } from "./types/string.ts";
type DefaultTypes = {
number: NumberType;
integer: IntegerType;
string: StringType;
boolean: BooleanType;
file: FileType;
};
type OptionalOrRequiredValue<TType extends string> =
| `[${TType}]`
| `<${TType}>`;
type RestValue = `...${string}` | `${string}...`;
/**
* Rest args with list type and completions.
*
* - `[...name:type[]:completion]`
* - `<...name:type[]:completion>`
* - `[name...:type[]:completion]`
* - `<name...:type[]:completion>`
*/
type RestArgsListTypeCompletion<TType extends string> = OptionalOrRequiredValue<
`${RestValue}:${TType}[]:${string}`
>;
/**
* Rest args with list type.
*
* - `[...name:type[]]`
* - `<...name:type[]>`
* - `[name...:type[]]`
* - `<name...:type[]>`
*/
type RestArgsListType<TType extends string> = OptionalOrRequiredValue<
`${RestValue}:${TType}[]`
>;
/**
* Rest args with type and completions.
*
* - `[...name:type:completion]`
* - `<...name:type:completion>`
* - `[name...:type:completion]`
* - `<name...:type:completion>`
*/
type RestArgsTypeCompletion<TType extends string> = OptionalOrRequiredValue<
`${RestValue}:${TType}:${string}`
>;
/**
* Rest args with type.
*
* - `[...name:type]`
* - `<...name:type>`
* - `[name...:type]`
* - `<name...:type>`
*/
type RestArgsType<TType extends string> = OptionalOrRequiredValue<
`${RestValue}:${TType}`
>;
/**
* Rest args.
* - `[...name]`
* - `<...name>`
* - `[name...]`
* - `<name...>`
*/
type RestArgs = OptionalOrRequiredValue<
`${RestValue}`
>;
/**
* Single arg with list type and completions.
*
* - `[name:type[]:completion]`
* - `<name:type[]:completion>`
*/
type SingleArgListTypeCompletion<TType extends string> =
OptionalOrRequiredValue<
`${string}:${TType}[]:${string}`
>;
/**
* Single arg with list type.
*
* - `[name:type[]]`
* - `<name:type[]>`
*/
type SingleArgListType<TType extends string> = OptionalOrRequiredValue<
`${string}:${TType}[]`
>;
/**
* Single arg with type and completion.
*
* - `[name:type:completion]`
* - `<name:type:completion>`
*/
type SingleArgTypeCompletion<TType extends string> = OptionalOrRequiredValue<
`${string}:${TType}:${string}`
>;
/**
* Single arg with type.
*
* - `[name:type]`
* - `<name:type>`
*/
type SingleArgType<TType extends string> = OptionalOrRequiredValue<
`${string}:${TType}`
>;
/**
* Single arg.
*
* - `[name]`
* - `<name>`
*/
type SingleArg = OptionalOrRequiredValue<
`${string}`
>;
type ArgumentType<
TArg extends string,
TCustomTypes,
TTypes = Merge<DefaultTypes, TCustomTypes>,
> = TArg extends RestArgsListTypeCompletion<infer Type>
? TTypes extends Record<Type, infer R> ? Array<Array<R>> : unknown
: TArg extends RestArgsListType<infer Type>
? TTypes extends Record<Type, infer R> ? Array<Array<R>> : unknown
: TArg extends RestArgsTypeCompletion<infer Type>
? TTypes extends Record<Type, infer R> ? Array<R> : unknown
: TArg extends RestArgsType<infer Type>
? TTypes extends Record<Type, infer R> ? Array<R> : unknown
: TArg extends RestArgs ? Array<string>
: TArg extends SingleArgListTypeCompletion<infer Type>
? TTypes extends Record<Type, infer R> ? Array<R> : unknown
: TArg extends SingleArgListType<infer Type>
? TTypes extends Record<Type, infer R> ? Array<R> : unknown
: TArg extends SingleArgTypeCompletion<infer Type>
? TTypes extends Record<Type, infer R> ? R : unknown
: TArg extends SingleArgType<infer Type>
? TTypes extends Record<Type, infer R> ? R : unknown
: TArg extends SingleArg ? string
: unknown;
type ArgumentTypes<TFlags extends string, T> = TFlags extends
`${string} ${string}` ? TypedArguments<TFlags, T>
: ArgumentType<TFlags, T>;
export type TypedArguments<TArgs extends string, TTypes> = number extends TTypes
? any
: TArgs extends `${infer TArg} ${infer TRestArgs}`
? TArg extends `[${string}]`
? [ArgumentType<TArg, TTypes>?, ...TypedArguments<TRestArgs, TTypes>]
: [ArgumentType<TArg, TTypes>, ...TypedArguments<TRestArgs, TTypes>]
: TArgs extends `${string}...${string}` ? [
...ArgumentType<TArgs, TTypes> extends Array<infer TValue>
? TArgs extends `[${string}]` ? Array<TValue>
: [TValue, ...Array<TValue>]
: never,
]
: TArgs extends `[${string}]` ? [ArgumentType<TArgs, TTypes>?]
: [ArgumentType<TArgs, TTypes>];
export type TypedCommandArguments<TNameAndArguments extends string, TTypes> =
number extends TTypes ? any
: TNameAndArguments extends `${string} ${infer TFlags}`
? TypedArguments<TFlags, TTypes>
: [];
export type TypedOption<
TFlags extends string,
TOptions,
TTypes,
TRequired extends boolean | undefined = undefined,
TDefault = undefined,
> = number extends TTypes ? any
: TFlags extends `${string}--${infer Name}=${infer TRestFlags}`
? ValuesOption<
Name,
TRestFlags,
TTypes,
IsRequired<TRequired, TDefault>,
TDefault
>
: TFlags extends `${string}--${infer Name} ${infer TRestFlags}`
? ValuesOption<
Name,
TRestFlags,
TTypes,
IsRequired<TRequired, TDefault>,
TDefault
>
: TFlags extends `${string}--${infer Name}`
? BooleanOption<Name, TOptions, IsRequired<TRequired, TDefault>, TDefault>
: TFlags extends `-${infer Name}=${infer TRestFlags}` ? ValuesOption<
Name,
TRestFlags,
TTypes,
IsRequired<TRequired, TDefault>,
TDefault
>
: TFlags extends `-${infer Name} ${infer TRestFlags}` ? ValuesOption<
Name,
TRestFlags,
TTypes,
IsRequired<TRequired, TDefault>,
TDefault
>
: TFlags extends `-${infer Name}`
? BooleanOption<Name, TOptions, IsRequired<TRequired, TDefault>, TDefault>
: Record<string, unknown>;
export type TypedEnv<
TNameAndValue extends string,
TPrefix extends string | undefined,
TOptions,
TTypes,
TRequired extends boolean | undefined = undefined,
TDefault = undefined,
> = number extends TTypes ? any
: TrimLeft<TNameAndValue, TPrefix> extends infer TrimmedNameAndValue
? TrimmedNameAndValue extends `${infer Name}=${infer Rest}`
? ValueOption<Name, Rest, TTypes, TRequired, TDefault>
: TrimmedNameAndValue extends `${infer Name} ${infer Rest}`
? ValueOption<Name, Rest, TTypes, TRequired, TDefault>
: TrimmedNameAndValue extends `${infer Name}`
? BooleanOption<Name, TOptions, TRequired, TDefault>
: never
: Record<string, unknown>;
export type TypedType<
TName extends string,
THandler extends TypeOrTypeHandler<unknown>,
> = { [Name in TName]: THandler };
type BooleanOption<
TName extends string,
TOptions,
TRequired extends boolean | undefined = undefined,
TDefault = undefined,
> = TName extends `no-${infer Name}` ? NegatableOption<Name, TOptions, TDefault>
: TName extends `${infer Name}.${infer Rest}` ? (TRequired extends true ? {
[Key in OptionName<Name>]: BooleanOption<
Rest,
TOptions,
TRequired,
TDefault
>;
}
: {
[Key in OptionName<Name>]?: BooleanOption<
Rest,
TOptions,
TRequired,
TDefault
>;
})
: (TRequired extends true ? { [Key in OptionName<TName>]: true | TDefault }
: { [Key in OptionName<TName>]?: true | TDefault });
type NegatableOption<
TName extends string,
TOptions,
TDefault,
> = OptionName<TName> extends infer Name extends string
? TDefault extends undefined
? Name extends keyof TOptions ? { [Key in Name]?: false }
: { [Key in Name]: boolean }
: { [Key in Name]: NonNullable<TDefault> | false }
: never;
type ValueOption<
TName extends string,
TRestFlags extends string,
TTypes,
TRequired extends boolean | undefined = undefined,
TDefault = undefined,
> = TName extends `${infer Name}.${infer RestName}`
? (TRequired extends true ? {
[Key in OptionName<Name>]: ValueOption<
RestName,
TRestFlags,
TTypes,
TRequired,
TDefault
>;
}
: {
[Key in OptionName<Name>]?: ValueOption<
RestName,
TRestFlags,
TTypes,
TRequired,
TDefault
>;
})
: (TRequired extends true ? {
[Key in OptionName<TName>]: ExtractArgumentsFromFlags<TRestFlags> extends
`[${string}]` ?
| NonNullable<TDefault>
| true
| ArgumentType<ExtractArgumentsFromFlags<TRestFlags>, TTypes>
:
| NonNullable<TDefault>
| ArgumentType<ExtractArgumentsFromFlags<TRestFlags>, TTypes>;
}
: {
[Key in OptionName<TName>]?: ExtractArgumentsFromFlags<TRestFlags> extends
`[${string}]` ?
| NonNullable<TDefault>
| true
| ArgumentType<ExtractArgumentsFromFlags<TRestFlags>, TTypes>
:
| NonNullable<TDefault>
| ArgumentType<ExtractArgumentsFromFlags<TRestFlags>, TTypes>;
});
type ValuesOption<
TName extends string,
TRestFlags extends string,
TTypes,
TRequired extends boolean | undefined = undefined,
TDefault = undefined,
> = TName extends `${infer Name}.${infer RestName}`
? (TRequired extends true ? {
[Key in OptionName<Name>]: ValuesOption<
RestName,
TRestFlags,
TTypes,
TRequired,
TDefault
>;
}
: {
[Key in OptionName<Name>]?: ValuesOption<
RestName,
TRestFlags,
TTypes,
TRequired,
TDefault
>;
})
: (TRequired extends true ? {
[Key in OptionName<TName>]: ExtractArgumentsFromFlags<TRestFlags> extends
`[${string}]` ?
| NonNullable<TDefault>
| true
| ArgumentTypes<ExtractArgumentsFromFlags<TRestFlags>, TTypes>
:
| NonNullable<TDefault>
| ArgumentTypes<ExtractArgumentsFromFlags<TRestFlags>, TTypes>;
}
: {
[Key in OptionName<TName>]?: ExtractArgumentsFromFlags<TRestFlags> extends
`[${string}]` ?
| NonNullable<TDefault>
| true
| ArgumentTypes<ExtractArgumentsFromFlags<TRestFlags>, TTypes>
:
| NonNullable<TDefault>
| ArgumentTypes<ExtractArgumentsFromFlags<TRestFlags>, TTypes>;
});
export type MergeOptions<
TFlags,
TOptions,
TMappedOptions,
TName = GetOptionName<TFlags>,
> = TName extends `no-${string}` ? Spread<TOptions, TMappedOptions>
: TName extends `${string}.${string}`
? MergeRecursive<TOptions, TMappedOptions>
: Merge<TOptions, TMappedOptions>;
// type MergeOptions<T, CO, O, N = GetOptionName<T>> = N extends `no-${string}`
// ? Spread<CO, O>
// : N extends `${infer Name}.${infer Child}`
// ? (OptionName<Name> extends keyof Merge<CO, O>
// ? OptionName<Child> extends
// keyof NonNullable<Merge<CO, O>[OptionName<Name>]> ? SpreadTwo<CO, O>
// : MergeRecursive<CO, O>
// : MergeRecursive<CO, O>)
// : Merge<CO, O>;
export type MapValue<TOptions, TMappedOptions, TCollect = undefined> =
TMappedOptions extends undefined ? TCollect extends true ? {
[Key in keyof TOptions]: TOptions[Key] extends
(Record<string, unknown> | undefined)
? MapValue<TOptions[Key], TMappedOptions>
: Array<NonNullable<TOptions[Key]>>;
}
: TOptions
: {
[Key in keyof TOptions]: TOptions[Key] extends
(Record<string, unknown> | undefined)
? MapValue<TOptions[Key], TMappedOptions>
: TMappedOptions;
};
export type MapTypes<T> = T extends Record<string, unknown> | Array<unknown>
? { [K in keyof T]: MapTypes<T[K]> }
: Type.infer<T>;
type GetOptionName<TFlags> = TFlags extends `${string}--${infer Name}=${string}`
? TrimRight<Name, ",">
: TFlags extends `${string}--${infer Name} ${string}` ? TrimRight<Name, ",">
: TFlags extends `${string}--${infer Name}` ? Name
: TFlags extends `-${infer Name}=${string}` ? TrimRight<Name, ",">
: TFlags extends `-${infer Name} ${string}` ? TrimRight<Name, ",">
: TFlags extends `-${infer Name}` ? Name
: unknown;
type ExtractArgumentsFromFlags<TFlags extends string> = TFlags extends
`-${string}=${infer RestFlags}` ? ExtractArgumentsFromFlags<RestFlags>
: TFlags extends `-${string} ${infer RestFlags}`
? ExtractArgumentsFromFlags<RestFlags>
: TFlags;
type OptionName<Name extends string> = Name extends "*" ? string
: CamelCase<TrimRight<Name, ",">>;
type IsRequired<TRequired extends boolean | undefined, TDefault> =
TRequired extends true ? true
: TDefault extends undefined ? false
: true;