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- import { inspect, InspectOptions, ParseArgsConfig } from 'node:util';
- export type ParseArgsOptions = Exclude<ParseArgsConfig['options'], undefined>;
- export type ParseArgsOption = ParseArgsOptions[string];
- export type ParseArgsDefault = Exclude<ConfigValue, number | number[]>;
- export type ConfigType = 'number' | 'string' | 'boolean';
- export declare const isConfigType: (t: unknown) => t is ConfigType;
- export type ConfigValuePrimitive = string | boolean | number;
- export type ConfigValueArray = string[] | boolean[] | number[];
- export type ConfigValue = ConfigValuePrimitive | ConfigValueArray;
- /**
- * Given a Jack object, get the typeof its ConfigSet
- */
- export type Unwrap<J> = J extends Jack<infer C> ? C : never;
- /**
- * Defines the type of value that is valid, given a config definition's
- * {@link ConfigType} and boolean multiple setting
- */
- export type ValidValue<T extends ConfigType = ConfigType, M extends boolean = boolean> = [
- T,
- M
- ] extends ['number', true] ? number[] : [T, M] extends ['string', true] ? string[] : [T, M] extends ['boolean', true] ? boolean[] : [T, M] extends ['number', false] ? number : [T, M] extends ['string', false] ? string : [T, M] extends ['boolean', false] ? boolean : [T, M] extends ['string', boolean] ? string | string[] : [T, M] extends ['boolean', boolean] ? boolean | boolean[] : [T, M] extends ['number', boolean] ? number | number[] : [T, M] extends [ConfigType, false] ? ConfigValuePrimitive : [T, M] extends [ConfigType, true] ? ConfigValueArray : ConfigValue;
- export type ReadonlyArrays = readonly number[] | readonly string[];
- /**
- * Defines the type of validOptions that are valid, given a config definition's
- * {@link ConfigType}
- */
- export type ValidOptions<T extends ConfigType> = T extends 'boolean' ? undefined : T extends 'string' ? readonly string[] : T extends 'number' ? readonly number[] : ReadonlyArrays;
- /**
- * A config field definition, in its full representation.
- * This is what is passed in to addFields so `type` is required.
- */
- export type ConfigOption<T extends ConfigType = ConfigType, M extends boolean = boolean, O extends undefined | ValidOptions<T> = undefined | ValidOptions<T>> = {
- type: T;
- short?: string;
- default?: ValidValue<T, M> & (O extends ReadonlyArrays ? M extends false ? O[number] : O[number][] : unknown);
- description?: string;
- hint?: T extends 'boolean' ? undefined : string;
- validate?: ((v: unknown) => v is ValidValue<T, M>) | ((v: unknown) => boolean);
- validOptions?: O;
- delim?: M extends false ? undefined : string;
- multiple?: M;
- };
- /**
- * Determine whether an unknown object is a {@link ConfigOption} based only
- * on its `type` and `multiple` property
- */
- export declare const isConfigOptionOfType: <T extends ConfigType, M extends boolean>(o: any, type: T, multi: M) => o is ConfigOption<T, M>;
- /**
- * Determine whether an unknown object is a {@link ConfigOption} based on
- * it having all valid properties
- */
- export declare const isConfigOption: <T extends ConfigType, M extends boolean>(o: any, type: T, multi: M) => o is ConfigOption<T, M>;
- /**
- * The meta information for a config option definition, when the
- * type and multiple values can be inferred by the method being used
- */
- export type ConfigOptionMeta<T extends ConfigType, M extends boolean, O extends ConfigOption<T, M> = ConfigOption<T, M>> = Pick<Partial<O>, 'type'> & Omit<O, 'type'>;
- /**
- * A set of {@link ConfigOption} objects, referenced by their longOption
- * string values.
- */
- export type ConfigSet = {
- [longOption: string]: ConfigOption;
- };
- /**
- * A set of {@link ConfigOptionMeta} fields, referenced by their longOption
- * string values.
- */
- export type ConfigMetaSet<T extends ConfigType, M extends boolean> = {
- [longOption: string]: ConfigOptionMeta<T, M>;
- };
- /**
- * Infer {@link ConfigSet} fields from a given {@link ConfigMetaSet}
- */
- export type ConfigSetFromMetaSet<T extends ConfigType, M extends boolean, S extends ConfigMetaSet<T, M>> = S & {
- [longOption in keyof S]: ConfigOption<T, M>;
- };
- /**
- * The 'values' field returned by {@link Jack#parse}. If a value has
- * a default field it will be required on the object otherwise it is optional.
- */
- export type OptionsResults<T extends ConfigSet> = {
- [K in keyof T]: (T[K]['validOptions'] extends ReadonlyArrays ? T[K] extends ConfigOption<'string' | 'number', false> ? T[K]['validOptions'][number] : T[K] extends ConfigOption<'string' | 'number', true> ? T[K]['validOptions'][number][] : never : T[K] extends ConfigOption<'string', false> ? string : T[K] extends ConfigOption<'string', true> ? string[] : T[K] extends ConfigOption<'number', false> ? number : T[K] extends ConfigOption<'number', true> ? number[] : T[K] extends ConfigOption<'boolean', false> ? boolean : T[K] extends ConfigOption<'boolean', true> ? boolean[] : never) | (T[K]['default'] extends ConfigValue ? never : undefined);
- };
- /**
- * The object retured by {@link Jack#parse}
- */
- export type Parsed<T extends ConfigSet> = {
- values: OptionsResults<T>;
- positionals: string[];
- };
- /**
- * A row used when generating the {@link Jack#usage} string
- */
- export interface Row {
- left?: string;
- text: string;
- skipLine?: boolean;
- type?: string;
- }
- /**
- * A heading for a section in the usage, created by the jack.heading()
- * method.
- *
- * First heading is always level 1, subsequent headings default to 2.
- *
- * The level of the nearest heading level sets the indentation of the
- * description that follows.
- */
- export interface Heading extends Row {
- type: 'heading';
- text: string;
- left?: '';
- skipLine?: boolean;
- level: number;
- pre?: boolean;
- }
- /**
- * An arbitrary blob of text describing some stuff, set by the
- * jack.description() method.
- *
- * Indentation determined by level of the nearest header.
- */
- export interface Description extends Row {
- type: 'description';
- text: string;
- left?: '';
- skipLine?: boolean;
- pre?: boolean;
- }
- /**
- * A heading or description row used when generating the {@link Jack#usage}
- * string
- */
- export type TextRow = Heading | Description;
- /**
- * Either a {@link TextRow} or a reference to a {@link ConfigOption}
- */
- export type UsageField = TextRow | {
- type: 'config';
- name: string;
- value: ConfigOption;
- };
- /**
- * Options provided to the {@link Jack} constructor
- */
- export interface JackOptions {
- /**
- * Whether to allow positional arguments
- *
- * @default true
- */
- allowPositionals?: boolean;
- /**
- * Prefix to use when reading/writing the environment variables
- *
- * If not specified, environment behavior will not be available.
- */
- envPrefix?: string;
- /**
- * Environment object to read/write. Defaults `process.env`.
- * No effect if `envPrefix` is not set.
- */
- env?: Record<string, string | undefined>;
- /**
- * A short usage string. If not provided, will be generated from the
- * options provided, but that can of course be rather verbose if
- * there are a lot of options.
- */
- usage?: string;
- /**
- * Stop parsing flags and opts at the first positional argument.
- * This is to support cases like `cmd [flags] <subcmd> [options]`, where
- * each subcommand may have different options. This effectively treats
- * any positional as a `--` argument. Only relevant if `allowPositionals`
- * is true.
- *
- * To do subcommands, set this option, look at the first positional, and
- * parse the remaining positionals as appropriate.
- *
- * @default false
- */
- stopAtPositional?: boolean;
- /**
- * Conditional `stopAtPositional`. If set to a `(string)=>boolean` function,
- * will be called with each positional argument encountered. If the function
- * returns true, then parsing will stop at that point.
- */
- stopAtPositionalTest?: (arg: string) => boolean;
- }
- /**
- * Class returned by the {@link jack} function and all configuration
- * definition methods. This is what gets chained together.
- */
- export declare class Jack<C extends ConfigSet = {}> {
- #private;
- constructor(options?: JackOptions);
- /**
- * Set the default value (which will still be overridden by env or cli)
- * as if from a parsed config file. The optional `source` param, if
- * provided, will be included in error messages if a value is invalid or
- * unknown.
- */
- setConfigValues(values: Partial<OptionsResults<C>>, source?: string): this;
- /**
- * Parse a string of arguments, and return the resulting
- * `{ values, positionals }` object.
- *
- * If an {@link JackOptions#envPrefix} is set, then it will read default
- * values from the environment, and write the resulting values back
- * to the environment as well.
- *
- * Environment values always take precedence over any other value, except
- * an explicit CLI setting.
- */
- parse(args?: string[]): Parsed<C>;
- loadEnvDefaults(): void;
- applyDefaults(p: Parsed<C>): void;
- /**
- * Only parse the command line arguments passed in.
- * Does not strip off the `node script.js` bits, so it must be just the
- * arguments you wish to have parsed.
- * Does not read from or write to the environment, or set defaults.
- */
- parseRaw(args: string[]): Parsed<C>;
- /**
- * Validate that any arbitrary object is a valid configuration `values`
- * object. Useful when loading config files or other sources.
- */
- validate(o: unknown): asserts o is Parsed<C>['values'];
- writeEnv(p: Parsed<C>): void;
- /**
- * Add a heading to the usage output banner
- */
- heading(text: string, level?: 1 | 2 | 3 | 4 | 5 | 6, { pre }?: {
- pre?: boolean;
- }): Jack<C>;
- /**
- * Add a long-form description to the usage output at this position.
- */
- description(text: string, { pre }?: {
- pre?: boolean;
- }): Jack<C>;
- /**
- * Add one or more number fields.
- */
- num<F extends ConfigMetaSet<'number', false>>(fields: F): Jack<C & ConfigSetFromMetaSet<'number', false, F>>;
- /**
- * Add one or more multiple number fields.
- */
- numList<F extends ConfigMetaSet<'number', true>>(fields: F): Jack<C & ConfigSetFromMetaSet<'number', true, F>>;
- /**
- * Add one or more string option fields.
- */
- opt<F extends ConfigMetaSet<'string', false>>(fields: F): Jack<C & ConfigSetFromMetaSet<'string', false, F>>;
- /**
- * Add one or more multiple string option fields.
- */
- optList<F extends ConfigMetaSet<'string', true>>(fields: F): Jack<C & ConfigSetFromMetaSet<'string', true, F>>;
- /**
- * Add one or more flag fields.
- */
- flag<F extends ConfigMetaSet<'boolean', false>>(fields: F): Jack<C & ConfigSetFromMetaSet<'boolean', false, F>>;
- /**
- * Add one or more multiple flag fields.
- */
- flagList<F extends ConfigMetaSet<'boolean', true>>(fields: F): Jack<C & ConfigSetFromMetaSet<'boolean', true, F>>;
- /**
- * Generic field definition method. Similar to flag/flagList/number/etc,
- * but you must specify the `type` (and optionally `multiple` and `delim`)
- * fields on each one, or Jack won't know how to define them.
- */
- addFields<F extends ConfigSet>(fields: F): Jack<C & F>;
- /**
- * Return the usage banner for the given configuration
- */
- usage(): string;
- /**
- * Return the usage banner markdown for the given configuration
- */
- usageMarkdown(): string;
- /**
- * Return the configuration options as a plain object
- */
- toJSON(): {
- [k: string]: {
- hint?: string | undefined;
- default?: ConfigValue | undefined;
- validOptions?: readonly number[] | readonly string[] | undefined;
- validate?: ((v: unknown) => boolean) | ((v: unknown) => v is ValidValue<ConfigType, boolean>) | undefined;
- description?: string | undefined;
- short?: string | undefined;
- delim?: string | undefined;
- multiple?: boolean | undefined;
- type: ConfigType;
- };
- };
- /**
- * Custom printer for `util.inspect`
- */
- [inspect.custom](_: number, options: InspectOptions): string;
- }
- /**
- * Main entry point. Create and return a {@link Jack} object.
- */
- export declare const jack: (options?: JackOptions) => Jack<{}>;
- //# sourceMappingURL=index.d.ts.map
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