mirror of
https://github.com/swc-project/swc.git
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1501 lines
44 KiB
TypeScript
1501 lines
44 KiB
TypeScript
// Loaded from https://deno.land/x/cliffy@v0.12.1/packages/command/lib/command.ts
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const { stdout, stderr } = Deno;
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import { encode } from 'https://deno.land/std@0.63.0/encoding/utf8.ts';
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import { dim, red } from 'https://deno.land/std@0.63.0/fmt/colors.ts';
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import { parseFlags } from '../../flags/lib/flags.ts';
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import { IFlagArgument, IFlagOptions, IFlagsResult, IFlagValue, IFlagValueHandler, IFlagValueType, ITypeHandler } from '../../flags/lib/types.ts';
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import { fill } from '../../flags/lib/utils.ts';
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import format from '../../x/format.ts';
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import { BooleanType } from '../types/boolean.ts';
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import { NumberType } from '../types/number.ts';
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import { StringType } from '../types/string.ts';
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import { Type } from '../types/type.ts';
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import { ArgumentsParser } from './arguments-parser.ts';
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import { HelpGenerator } from './help-generator.ts';
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import { IAction, IArgumentDetails, ICommandOption, ICompleteHandler, ICompleteOptions, ICompleteSettings, IDescription, IEnvVariable, IEnvVarOption, IExample, IOption, IParseResult, ITypeMap, ITypeOption, ITypeSettings } from './types.ts';
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const permissions: any = ( Deno as any ).permissions;
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const envPermissionStatus: any = permissions && permissions.query && await permissions.query( { name: 'env' } );
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const hasEnvPermissions: boolean = !!envPermissionStatus && envPermissionStatus.state === 'granted';
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interface IDefaultOption<O = any, A extends Array<any> = any> {
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flags: string;
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desc?: string
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opts?: ICommandOption<O, A>;
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}
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/**
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* Base command implementation without pre configured command's and option's.
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*/
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export class Command<O = any, A extends Array<any> = any> {
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private types: ITypeMap = new Map<string, ITypeSettings>( [
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[ 'string', { name: 'string', handler: new StringType() } ],
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[ 'number', { name: 'number', handler: new NumberType() } ],
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[ 'boolean', { name: 'boolean', handler: new BooleanType() } ]
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] );
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private rawArgs: string[] = [];
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private literalArgs: string[] = [];
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// @TODO: get script name: https://github.com/denoland/deno/pull/5034
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// private name: string = location.pathname.split( '/' ).pop() as string;
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private _name: string = 'COMMAND';
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private _parent?: Command;
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private _globalParent?: Command;
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private ver: string = '0.0.0';
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private desc: IDescription = '';
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private fn?: IAction<O, A>;
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private options: IOption<O, A>[] = [];
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private commands: Map<string, Command> = new Map();
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private examples: IExample[] = [];
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private envVars: IEnvVariable[] = [];
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private aliases: string[] = [];
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private completions: Map<string, ICompleteSettings> = new Map();
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private cmd: Command = this;
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private argsDefinition?: string;
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private isExecutable: boolean = false;
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private throwOnError: boolean = false;
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private _allowEmpty: boolean = true;
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private _stopEarly: boolean = false;
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private defaultCommand?: string;
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private _useRawArgs: boolean = false;
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private args: IArgumentDetails[] = [];
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private isHidden: boolean = false;
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private isGlobal: boolean = false;
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private hasDefaults: Boolean = false;
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private _versionOption?: IDefaultOption<O, A> | false;
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private _helpOption?: IDefaultOption<O, A> | false;
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public versionOption( flags: string | false, desc?: string, opts?: IAction<O, A> | ICommandOption<O, A> ): this {
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this._versionOption = flags === false ? flags : {
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flags,
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desc,
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opts: typeof opts === 'function' ? { action: opts } : opts
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};
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return this;
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}
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public helpOption( flags: string | false, desc?: string, opts?: IAction<O, A> | ICommandOption<O, A> ): this {
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this._helpOption = flags === false ? flags : {
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flags,
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desc,
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opts: typeof opts === 'function' ? { action: opts } : opts
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};
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return this;
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}
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/**
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* Add new sub-command.
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*/
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public command( nameAndArguments: string, cmd?: Command | string, override?: boolean ): this {
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let executableDescription: string | undefined;
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if ( typeof cmd === 'string' ) {
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executableDescription = cmd;
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cmd = undefined;
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}
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const result = ArgumentsParser.splitArguments( nameAndArguments );
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const name: string | undefined = result.args.shift();
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const aliases: string[] = result.args;
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if ( !name ) {
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throw this.error( new Error( 'Missing command name.' ) );
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}
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if ( this.getBaseCommand( name, true ) ) {
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if ( !override ) {
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throw this.error( new Error( `Duplicate command: ${ name }` ) );
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}
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this.removeCommand( name );
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}
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const subCommand = ( cmd || new Command() ).reset();
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subCommand._name = name;
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subCommand._parent = this;
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if ( executableDescription ) {
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subCommand.isExecutable = true;
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subCommand.description( executableDescription );
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}
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if ( result.typeDefinition ) {
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subCommand.arguments( result.typeDefinition );
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}
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// if ( name === '*' && !subCommand.isExecutable ) {
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// subCommand.isExecutable = true;
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// }
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aliases.forEach( alias => subCommand.aliases.push( alias ) );
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this.commands.set( name, subCommand );
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this.select( name );
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return this;
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}
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// public static async exists( name: string ) {
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//
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// const proc = Deno.run( {
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// cmd: [ 'sh', '-c', 'compgen -c' ],
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// stdout: 'piped',
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// stderr: 'piped'
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// } );
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// const output: Uint8Array = await proc.output();
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// const commands = new TextDecoder().decode( output )
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// .trim()
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// .split( '\n' );
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//
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// return commands.indexOf( name ) !== -1;
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// }
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/**
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* Add new command alias.
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*
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* @param alias Alias name
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*/
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public alias( alias: string ): this {
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if ( this.cmd === this ) {
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throw this.error( new Error( `Failed to add alias '${ alias }'. No sub command selected.` ) );
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}
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if ( this.cmd.aliases.indexOf( alias ) !== -1 ) {
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throw this.error( new Error( `Duplicate alias: ${ alias }` ) );
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}
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this.cmd.aliases.push( alias );
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return this;
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}
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/**
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* Reset internal command reference to main command.
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*/
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public reset(): this {
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return this.cmd = this;
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}
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/**
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* Reset internal command reference to child command with given name.
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*
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* @param name Sub-command name.
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*/
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public select( name: string ): this {
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const cmd = this.getBaseCommand( name, true );
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if ( !cmd ) {
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throw this.error( new Error( `Sub-command not found: ${ name }` ) );
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}
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this.cmd = cmd;
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return this;
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}
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/********************************************************************************
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**** SUB HANDLER ***************************************************************
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********************************************************************************/
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/**
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* Get or set command name.
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*/
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public name( name: string ): this {
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this.cmd._name = name;
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return this;
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}
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/**
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* Set command version.
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*
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* @param version Semantic version string.
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*/
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public version( version: string ): this {
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this.cmd.ver = version;
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return this;
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}
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/**
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* Set command description.
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*
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* @param description Short command description.
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*/
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public description( description: IDescription ): this {
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this.cmd.desc = description;
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return this;
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}
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/**
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* Hide command from help, completions, etc.
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*/
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public hidden(): this {
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this.cmd.isHidden = true;
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return this;
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}
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/**
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* Make command globally available.
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*/
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public global(): this {
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this.cmd.isGlobal = true;
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return this;
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}
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/**
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* Set command arguments.
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*
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* @param args Define required and optional commands like: <requiredArg:string> [optionalArg: number] [...restArgs:string]
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*/
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public arguments( args: string ): this {
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this.cmd.argsDefinition = args;
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return this;
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}
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/**
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* Set command handler.
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*
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* @param fn Callback method.
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*/
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public action( fn: IAction<O, A> ): this {
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this.cmd.fn = fn;
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return this;
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}
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/**
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* Don't throw an error if the command was called without arguments.
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*
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* @param allowEmpty
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*/
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public allowEmpty( allowEmpty: boolean = true ): this {
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this.cmd._allowEmpty = allowEmpty;
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return this;
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}
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/**
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* If enabled, all arguments starting from the first non option argument will be interpreted as raw argument.
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*
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* For example:
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* `command --debug-level warning server --port 80`
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*
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* Will result in:
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* - options: `{debugLevel: 'warning'}`
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* - args: `['server', '--port', '80']`
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*
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* @param stopEarly
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*/
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public stopEarly( stopEarly: boolean = true ): this {
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this.cmd._stopEarly = stopEarly;
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return this;
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}
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/**
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* Disable parsing arguments. If enabled the raw arguments will be passed to the action handler.
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* This has no effect for parent or child commands. Only for the command on which this method was called.
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*/
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public useRawArgs( useRawArgs: boolean = true ): this {
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this.cmd._useRawArgs = useRawArgs;
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return this;
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}
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/**
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* Set default command. The default command will be called if no action handler is registered.
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*/
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public default( name: string ): this {
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this.cmd.defaultCommand = name;
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return this;
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}
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/**
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* Register command specific custom type.
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*/
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public type( name: string, handler: Type<any> | ITypeHandler<any>, options?: ITypeOption ): this {
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if ( this.cmd.types.get( name ) && !options?.override ) {
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throw this.error( new Error( `Type '${ name }' already exists.` ) );
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}
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this.cmd.types.set( name, { ...options, name, handler } );
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if ( handler instanceof Type && typeof handler.complete !== 'undefined' ) {
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this.complete( name, ( cmd: Command, parent?: Command ) => handler.complete?.( cmd, parent ) || [], options );
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}
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return this;
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}
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/**
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* Register command specific custom type.
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*/
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public complete( name: string, complete: ICompleteHandler, options?: ICompleteOptions ): this {
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if ( this.cmd.completions.has( name ) && !options?.override ) {
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throw this.error( new Error( `Completion '${ name }' already exists.` ) );
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}
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this.cmd.completions.set( name, {
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name,
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complete,
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...options
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} );
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return this;
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}
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/**
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* Throw error's instead of calling `Deno.exit()` to handle error's manually.
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* This has no effect for parent commands. Only for the command on which this method was called and all child commands.
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*/
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public throwErrors(): this {
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this.cmd.throwOnError = true;
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return this;
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}
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protected shouldThrowErrors(): boolean {
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return this.cmd.throwOnError || !!this.cmd._parent?.shouldThrowErrors();
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}
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public getCompletions() {
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return this.getGlobalCompletions().concat( this.getBaseCompletions() );
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}
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public getBaseCompletions(): ICompleteSettings[] {
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return Array.from( this.completions.values() );
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}
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public getGlobalCompletions(): ICompleteSettings[] {
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const getCompletions = ( cmd: Command | undefined, completions: ICompleteSettings[] = [], names: string[] = [] ): ICompleteSettings[] => {
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if ( cmd ) {
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if ( cmd.completions.size ) {
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cmd.completions.forEach( ( completion: ICompleteSettings ) => {
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if (
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completion.global &&
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!this.completions.has( completion.name ) &&
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names.indexOf( completion.name ) === -1
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) {
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names.push( completion.name );
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completions.push( completion );
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}
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} );
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}
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return getCompletions( cmd._parent, completions, names );
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}
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return completions;
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};
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return getCompletions( this._parent );
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}
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public getCompletion( name: string ) {
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return this.getBaseCompletion( name ) ?? this.getGlobalCompletion( name );
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}
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public getBaseCompletion( name: string ): ICompleteSettings | undefined {
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return this.completions.get( name );
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}
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public getGlobalCompletion( name: string ): ICompleteSettings | undefined {
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if ( !this._parent ) {
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return;
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}
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let completion: ICompleteSettings | undefined = this._parent.getBaseCompletion( name );
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if ( !completion?.global ) {
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return this._parent.getGlobalCompletion( name );
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}
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return completion;
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}
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/**
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* Add new option (flag).
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*
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* @param flags Flags string like: -h, --help, --manual <requiredArg:string> [optionalArg: number] [...restArgs:string]
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* @param desc Flag description.
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* @param opts Flag options or custom handler for processing flag value.
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*/
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public option( flags: string, desc: string, opts?: ICommandOption | IFlagValueHandler ): this {
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if ( typeof opts === 'function' ) {
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return this.option( flags, desc, { value: opts } );
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}
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const result = ArgumentsParser.splitArguments( flags );
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const args: IArgumentDetails[] = result.typeDefinition ? ArgumentsParser.parseArgumentsDefinition( result.typeDefinition ) : [];
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const option: IOption = {
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name: '',
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description: desc,
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args,
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flags: result.args.join( ', ' ),
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typeDefinition: result.typeDefinition,
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...opts
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};
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if ( option.separator ) {
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for ( const arg of args ) {
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if ( arg.list ) {
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arg.separator = option.separator;
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}
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}
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}
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for ( const part of result.args ) {
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const arg = part.trim();
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const isLong = /^--/.test( arg );
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const name = isLong ? arg.slice( 2 ) : arg.slice( 1 );
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if ( option.name === name || option.aliases && ~option.aliases.indexOf( name ) ) {
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throw this.error( new Error( `Duplicate command name: ${ name }` ) );
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}
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if ( !option.name && isLong ) {
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option.name = name;
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} else if ( !option.aliases ) {
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option.aliases = [ name ];
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} else {
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option.aliases.push( name );
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}
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if ( this.cmd.getBaseOption( name, true ) ) {
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if ( opts?.override ) {
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this.removeOption( name );
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} else {
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throw this.error( new Error( `Duplicate option name: ${ name }` ) );
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}
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}
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}
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if ( option.prepend ) {
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this.cmd.options.unshift( option );
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} else {
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this.cmd.options.push( option );
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}
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return this;
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}
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/**
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* Add new command example.
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*
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* @param name Name of the example.
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* @param description The content of the example.
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*/
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public example( name: string, description: string ): this {
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if ( this.cmd.hasExample( name ) ) {
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throw this.error( new Error( 'Example already exists.' ) );
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}
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this.cmd.examples.push( { name, description } );
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return this;
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}
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/**
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* Add new environment variable.
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*
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* @param name Name of the environment variable.
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* @param description The description of the environment variable.
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* @param options Environment variable options.
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*/
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public env( name: string, description: string, options?: IEnvVarOption ): this {
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const result = ArgumentsParser.splitArguments( name );
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if ( !result.typeDefinition ) {
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result.typeDefinition = '<value:boolean>';
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}
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if ( result.args.some( envName => this.cmd.getBaseEnvVar( envName, true ) ) ) {
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throw this.error( new Error( `Environment variable already exists: ${ name }` ) );
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}
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const details: IArgumentDetails[] = ArgumentsParser.parseArgumentsDefinition( result.typeDefinition );
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if ( details.length > 1 ) {
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throw this.error( new Error( `An environment variable can only have one value but got: ${ name }` ) );
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} else if ( details.length && details[ 0 ].optionalValue ) {
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throw this.error( new Error( `An environment variable can not have an optional value but '${ name }' is defined as optional.` ) );
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} else if ( details.length && details[ 0 ].variadic ) {
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throw this.error( new Error( `An environment variable can not have an variadic value but '${ name }' is defined as variadic.` ) );
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}
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this.cmd.envVars.push( {
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names: result.args,
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description,
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type: details[ 0 ].type,
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details: details.shift() as IArgumentDetails,
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...options
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} );
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return this;
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}
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/********************************************************************************
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**** MAIN HANDLER **************************************************************
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********************************************************************************/
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|
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/**
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* Parse command line arguments and execute matched command.
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*
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* @param args Command line args to parse. Ex: `cmd.parse( Deno.args )`
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* @param dry Execute command after parsed.
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*/
|
|
public async parse( args: string[] = Deno.args, dry?: boolean ): Promise<IParseResult<O, A>> {
|
|
|
|
this.reset()
|
|
.registerDefaults();
|
|
|
|
this.rawArgs = args;
|
|
|
|
const subCommand = this.rawArgs.length > 0 && this.getCommand( this.rawArgs[ 0 ], true );
|
|
|
|
if ( subCommand ) {
|
|
subCommand._globalParent = this;
|
|
return await subCommand.parse( this.rawArgs.slice( 1 ), dry );
|
|
}
|
|
|
|
if ( this.isExecutable ) {
|
|
|
|
if ( !dry ) {
|
|
await this.executeExecutable( this.rawArgs );
|
|
}
|
|
|
|
return { options: {} as O, args: this.rawArgs as any as A, cmd: this, literal: this.literalArgs };
|
|
|
|
} else if ( this._useRawArgs ) {
|
|
|
|
if ( dry ) {
|
|
return { options: {} as O, args: this.rawArgs as any as A, cmd: this, literal: this.literalArgs };
|
|
}
|
|
|
|
return await this.execute( {} as O, ...this.rawArgs as A );
|
|
|
|
} else {
|
|
|
|
const { flags, unknown, literal } = this.parseFlags( this.rawArgs );
|
|
|
|
this.literalArgs = literal;
|
|
|
|
const params = this.parseArguments( unknown, flags );
|
|
|
|
this.validateEnvVars();
|
|
|
|
if ( dry ) {
|
|
return { options: flags, args: params as any as A, cmd: this, literal: this.literalArgs };
|
|
}
|
|
|
|
return await this.execute( flags, ...params );
|
|
}
|
|
}
|
|
|
|
private registerDefaults(): this {
|
|
|
|
if ( this.getParent() || this.hasDefaults ) {
|
|
return this;
|
|
}
|
|
this.hasDefaults = true;
|
|
|
|
this.reset();
|
|
|
|
if ( this._versionOption !== false ) {
|
|
this.option(
|
|
this._versionOption?.flags || '-V, --version',
|
|
this._versionOption?.desc || 'Show the version number for this program.',
|
|
Object.assign( {
|
|
standalone: true,
|
|
prepend: true,
|
|
action: async function ( this: Command ) {
|
|
await Deno.stdout.writeSync( encode( this.getVersion() + '\n' ) );
|
|
Deno.exit( 0 );
|
|
}
|
|
}, this._versionOption?.opts ?? {} ) );
|
|
}
|
|
|
|
if ( this._helpOption !== false ) {
|
|
this.option(
|
|
this._helpOption?.flags || '-h, --help',
|
|
this._helpOption?.desc || 'Show this help.',
|
|
Object.assign( {
|
|
standalone: true,
|
|
global: true,
|
|
prepend: true,
|
|
action: function ( this: Command ) {
|
|
this.help();
|
|
Deno.exit( 0 );
|
|
}
|
|
}, this._helpOption?.opts ?? {} ) );
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Execute command.
|
|
*
|
|
* @param options A map of options.
|
|
* @param args Command arguments.
|
|
*/
|
|
protected async execute( options: O, ...args: A ): Promise<IParseResult<O, A>> {
|
|
|
|
const actionOption = this.findActionFlag( options );
|
|
|
|
if ( actionOption && actionOption.action ) {
|
|
await actionOption.action.call( this, options, ...args );
|
|
return { options, args: args as any as A, cmd: this, literal: this.literalArgs };
|
|
}
|
|
|
|
if ( this.fn ) {
|
|
|
|
try {
|
|
await this.fn( options, ...args );
|
|
} catch ( e ) {
|
|
throw this.error( e );
|
|
}
|
|
|
|
} else if ( this.defaultCommand ) {
|
|
|
|
const cmd = this.getCommand( this.defaultCommand, true );
|
|
|
|
if ( !cmd ) {
|
|
throw this.error( new Error( `Default command '${ this.defaultCommand }' not found.` ) );
|
|
}
|
|
|
|
cmd._globalParent = this;
|
|
|
|
try {
|
|
await cmd.execute( options, ...args );
|
|
} catch ( e ) {
|
|
throw this.error( e );
|
|
}
|
|
}
|
|
|
|
return { options, args: args as any as A, cmd: this, literal: this.literalArgs };
|
|
}
|
|
|
|
/**
|
|
* Execute external sub-command.
|
|
*
|
|
* @param args Raw command line arguments.
|
|
*/
|
|
protected async executeExecutable( args: string[] ) {
|
|
|
|
const [ main, ...names ] = this.getPath().split( ' ' );
|
|
|
|
names.unshift( main.replace( /\.ts$/, '' ) );
|
|
|
|
const executable = names.join( '-' );
|
|
|
|
try {
|
|
// @TODO: create getEnv() method which should return all known environment variables and pass it to Deno.run({env})
|
|
await Deno.run( {
|
|
cmd: [ executable, ...args ]
|
|
} );
|
|
return;
|
|
} catch ( e ) {
|
|
if ( !e.message.match( /No such file or directory/ ) ) {
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
try {
|
|
await Deno.run( {
|
|
cmd: [ executable + '.ts', ...args ]
|
|
} );
|
|
return;
|
|
} catch ( e ) {
|
|
if ( !e.message.match( /No such file or directory/ ) ) {
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
throw this.error( new Error( `Sub-command executable not found: ${ executable }${ dim( '(.ts)' ) }` ) );
|
|
}
|
|
|
|
/**
|
|
* Parse command line args.
|
|
*
|
|
* @param args Command line args.
|
|
*/
|
|
protected parseFlags( args: string[] ): IFlagsResult<O> {
|
|
|
|
try {
|
|
return parseFlags<O>( args, {
|
|
stopEarly: this._stopEarly,
|
|
// knownFlaks,
|
|
allowEmpty: this._allowEmpty,
|
|
flags: this.getOptions( true ),
|
|
parse: ( type: string, option: IFlagOptions, arg: IFlagArgument, nextValue: string ) =>
|
|
this.parseType( type, option, arg, nextValue )
|
|
} );
|
|
} catch ( e ) {
|
|
throw this.error( e );
|
|
}
|
|
}
|
|
|
|
protected parseType( name: string, option: IFlagOptions, arg: IFlagArgument, nextValue: string ): any {
|
|
|
|
const type: ITypeSettings | undefined = this.getType( name );
|
|
|
|
if ( !type ) {
|
|
throw this.error( new Error( `No type registered with name: ${ name }` ) );
|
|
}
|
|
|
|
// @TODO: pass only name & value to .parse() method
|
|
return type.handler instanceof Type ? type.handler.parse( option, arg, nextValue ) : type.handler( option, arg, nextValue );
|
|
}
|
|
|
|
/**
|
|
* Validate environment variables.
|
|
*/
|
|
protected validateEnvVars() {
|
|
|
|
const envVars = this.getEnvVars( true );
|
|
|
|
if ( !envVars.length ) {
|
|
return;
|
|
}
|
|
|
|
if ( hasEnvPermissions ) {
|
|
envVars.forEach( ( env: IEnvVariable ) => {
|
|
const name = env.names.find( name => !!Deno.env.get( name ) );
|
|
if ( name ) {
|
|
const value: string | undefined = Deno.env.get( name );
|
|
try {
|
|
// @TODO: optimize handling for environment variable error message: parseFlag & parseEnv ?
|
|
this.parseType( env.type, { name }, env, value || '' );
|
|
} catch ( e ) {
|
|
throw new Error( `Environment variable '${ name }' must be of type ${ env.type } but got: ${ value }` );
|
|
}
|
|
}
|
|
} );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Match commands and arguments from command line arguments.
|
|
*/
|
|
protected parseArguments( args: string[], flags: O ): A {
|
|
|
|
const params: IFlagValue[] = [];
|
|
|
|
// remove array reference
|
|
args = args.slice( 0 );
|
|
|
|
if ( !this.hasArguments() ) {
|
|
|
|
if ( args.length ) {
|
|
if ( this.hasCommands( true ) ) {
|
|
throw this.error( new Error( `Unknown command: ${ args.join( ' ' ) }` ) );
|
|
} else {
|
|
throw this.error( new Error( `No arguments allowed for command: ${ this._name }` ) );
|
|
}
|
|
}
|
|
|
|
} else {
|
|
|
|
if ( !args.length ) {
|
|
|
|
const required = this.getArguments()
|
|
.filter( expectedArg => !expectedArg.optionalValue )
|
|
.map( expectedArg => expectedArg.name );
|
|
|
|
if ( required.length ) {
|
|
const flagNames: string[] = Object.keys( flags );
|
|
const hasStandaloneOption: boolean = !!flagNames.find( name => this.getOption( name, true )?.standalone );
|
|
|
|
if ( !hasStandaloneOption ) {
|
|
throw this.error( new Error( 'Missing argument(s): ' + required.join( ', ' ) ) );
|
|
}
|
|
}
|
|
|
|
return params as A;
|
|
}
|
|
|
|
for ( const expectedArg of this.getArguments() ) {
|
|
|
|
if ( !expectedArg.optionalValue && !args.length ) {
|
|
throw this.error( new Error( `Missing argument: ${ expectedArg.name }` ) );
|
|
}
|
|
|
|
let arg: IFlagValue;
|
|
|
|
if ( expectedArg.variadic ) {
|
|
arg = args.splice( 0, args.length ) as IFlagValueType[];
|
|
} else {
|
|
arg = args.shift() as IFlagValue;
|
|
}
|
|
|
|
if ( arg ) {
|
|
params.push( arg );
|
|
}
|
|
}
|
|
|
|
if ( args.length ) {
|
|
throw this.error( new Error( `To many arguments: ${ args.join( ' ' ) }` ) );
|
|
}
|
|
}
|
|
|
|
return params as A;
|
|
}
|
|
|
|
/**
|
|
* Execute help command if help flag is set.
|
|
*
|
|
* @param flags Command options.
|
|
*/
|
|
protected findActionFlag( flags: O ): IOption | undefined {
|
|
|
|
const flagNames = Object.keys( flags );
|
|
|
|
for ( const flag of flagNames ) {
|
|
|
|
const option = this.getOption( flag, true );
|
|
|
|
if ( option?.action ) {
|
|
return option;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/********************************************************************************
|
|
**** GETTER ********************************************************************
|
|
********************************************************************************/
|
|
|
|
/**
|
|
* Get command name.
|
|
*/
|
|
public getName(): string {
|
|
return this._name;
|
|
}
|
|
|
|
/**
|
|
* Get parent command.
|
|
*/
|
|
public getParent(): Command | undefined {
|
|
return this._parent;
|
|
}
|
|
|
|
/**
|
|
* Get parent command from global executed command.
|
|
* Be sure, to call this method only inside an action handler. Unless this or any child command was executed,
|
|
* this method returns always undefined.
|
|
*/
|
|
public getGlobalParent(): Command | undefined {
|
|
return this._globalParent;
|
|
}
|
|
|
|
/**
|
|
* Get main command.
|
|
*/
|
|
public getMainCommand(): Command {
|
|
return this._parent?.getMainCommand() ?? this;
|
|
}
|
|
|
|
/**
|
|
* Get command name aliases.
|
|
*/
|
|
public getAliases(): string[] {
|
|
return this.aliases;
|
|
}
|
|
|
|
/**
|
|
* Get full command path of all parent command names's and current command name.
|
|
*/
|
|
public getPath(): string {
|
|
|
|
return this._parent ? this._parent.getPath() + ' ' + this._name : this._name;
|
|
}
|
|
|
|
/**
|
|
* Get arguments definition.
|
|
*/
|
|
public getArgsDefinition(): string | undefined {
|
|
|
|
return this.argsDefinition;
|
|
}
|
|
|
|
/**
|
|
* Get argument.
|
|
*/
|
|
public getArgument( name: string ): IArgumentDetails | undefined {
|
|
|
|
return this.getArguments().find( arg => arg.name === name );
|
|
}
|
|
|
|
/**
|
|
* Get arguments.
|
|
*/
|
|
public getArguments(): IArgumentDetails[] {
|
|
|
|
if ( !this.args.length && this.argsDefinition ) {
|
|
this.args = ArgumentsParser.parseArgumentsDefinition( this.argsDefinition );
|
|
}
|
|
|
|
return this.args;
|
|
}
|
|
|
|
/**
|
|
* Check if command has arguments.
|
|
*/
|
|
public hasArguments() {
|
|
return !!this.argsDefinition;
|
|
}
|
|
|
|
/**
|
|
* Get command version.
|
|
*/
|
|
public getVersion(): string {
|
|
return this.ver || ( this._parent?.getVersion() ?? '' );
|
|
}
|
|
|
|
/**
|
|
* Get command description.
|
|
*/
|
|
public getDescription(): string {
|
|
// call description method only once
|
|
return typeof this.desc === 'function' ? this.desc = this.desc() : this.desc;
|
|
}
|
|
|
|
public getShortDescription(): string {
|
|
|
|
return this.getDescription()
|
|
.trim()
|
|
.split( '\n' )
|
|
.shift() as string;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the command has options or not.
|
|
*/
|
|
public hasOptions( hidden?: boolean ): boolean {
|
|
|
|
return this.getOptions( hidden ).length > 0;
|
|
}
|
|
|
|
public getOptions( hidden?: boolean ): IOption[] {
|
|
|
|
return this.getGlobalOptions( hidden ).concat( this.getBaseOptions( hidden ) );
|
|
}
|
|
|
|
public getBaseOptions( hidden?: boolean ): IOption[] {
|
|
|
|
if ( !this.options.length ) {
|
|
return [];
|
|
}
|
|
|
|
return hidden ? this.options.slice( 0 ) : this.options.filter( opt => !opt.hidden );
|
|
}
|
|
|
|
public getGlobalOptions( hidden?: boolean ): IOption[] {
|
|
|
|
const getOptions = ( cmd: Command | undefined, options: IOption[] = [], names: string[] = [] ): IOption[] => {
|
|
|
|
if ( cmd ) {
|
|
if ( cmd.options.length ) {
|
|
cmd.options.forEach( ( option: IOption ) => {
|
|
if (
|
|
option.global &&
|
|
!this.options.find( opt => opt.name === option.name ) &&
|
|
names.indexOf( option.name ) === -1 &&
|
|
( hidden || !option.hidden )
|
|
) {
|
|
names.push( option.name );
|
|
options.push( option );
|
|
}
|
|
} );
|
|
}
|
|
|
|
return getOptions( cmd._parent, options, names );
|
|
}
|
|
|
|
return options;
|
|
};
|
|
|
|
return getOptions( this._parent );
|
|
}
|
|
|
|
/**
|
|
* Checks whether the command has an option with given name or not.
|
|
*
|
|
* @param name Name of the option. Must be in param-case.
|
|
* @param hidden Include hidden options.
|
|
*/
|
|
public hasOption( name: string, hidden?: boolean ): boolean {
|
|
|
|
return !!this.getOption( name, hidden );
|
|
}
|
|
|
|
/**
|
|
* Get option by name.
|
|
*
|
|
* @param name Name of the option. Must be in param-case.
|
|
* @param hidden Include hidden options.
|
|
*/
|
|
public getOption( name: string, hidden?: boolean ): IOption | undefined {
|
|
|
|
return this.getBaseOption( name, hidden ) ?? this.getGlobalOption( name, hidden );
|
|
}
|
|
|
|
/**
|
|
* Get base option by name.
|
|
*
|
|
* @param name Name of the option. Must be in param-case.
|
|
* @param hidden Include hidden options.
|
|
*/
|
|
public getBaseOption( name: string, hidden?: boolean ): IOption | undefined {
|
|
|
|
const option = this.options.find( option => option.name === name );
|
|
|
|
return option && ( hidden || !option.hidden ) ? option : undefined;
|
|
}
|
|
|
|
/**
|
|
* Get global option from parent command's by name.
|
|
*
|
|
* @param name Name of the option. Must be in param-case.
|
|
* @param hidden Include hidden options.
|
|
*/
|
|
public getGlobalOption( name: string, hidden?: boolean ): IOption | undefined {
|
|
|
|
if ( !this._parent ) {
|
|
return;
|
|
}
|
|
|
|
let option: IOption | undefined = this._parent.getBaseOption( name, hidden );
|
|
|
|
if ( !option || !option.global ) {
|
|
return this._parent.getGlobalOption( name, hidden );
|
|
}
|
|
|
|
return option;
|
|
}
|
|
|
|
/**
|
|
* Remove option by name.
|
|
*
|
|
* @param name Name of the option. Must be in param-case.
|
|
*/
|
|
public removeOption( name: string ): IOption | undefined {
|
|
|
|
const index = this.options.findIndex( option => option.name === name );
|
|
|
|
if ( index === -1 ) {
|
|
return;
|
|
}
|
|
|
|
return this.options.splice( index, 1 )[ 0 ];
|
|
}
|
|
|
|
/**
|
|
* Checks whether the command has sub-commands or not.
|
|
*/
|
|
public hasCommands( hidden?: boolean ): boolean {
|
|
|
|
return this.getCommands( hidden ).length > 0;
|
|
}
|
|
|
|
/**
|
|
* Get sub-commands.
|
|
*/
|
|
public getCommands( hidden?: boolean ): Command[] {
|
|
|
|
return this.getGlobalCommands( hidden ).concat( this.getBaseCommands( hidden ) );
|
|
}
|
|
|
|
public getBaseCommands( hidden?: boolean ): Command[] {
|
|
const commands = Array.from( this.commands.values() );
|
|
return hidden ? commands : commands.filter( cmd => !cmd.isHidden );
|
|
}
|
|
|
|
public getGlobalCommands( hidden?: boolean ): Command[] {
|
|
|
|
const getCommands = ( cmd: Command | undefined, commands: Command[] = [], names: string[] = [] ): Command[] => {
|
|
|
|
if ( cmd ) {
|
|
if ( cmd.commands.size ) {
|
|
cmd.commands.forEach( ( cmd: Command ) => {
|
|
if (
|
|
cmd.isGlobal &&
|
|
this !== cmd &&
|
|
!this.commands.has( cmd._name ) &&
|
|
names.indexOf( cmd._name ) === -1 &&
|
|
( hidden || !cmd.isHidden )
|
|
) {
|
|
names.push( cmd._name );
|
|
commands.push( cmd );
|
|
}
|
|
} );
|
|
}
|
|
|
|
return getCommands( cmd._parent, commands, names );
|
|
}
|
|
|
|
return commands;
|
|
};
|
|
|
|
return getCommands( this._parent );
|
|
}
|
|
|
|
/**
|
|
* Checks whether the command has a sub-command with given name or not.
|
|
*
|
|
* @param name Name of the command.
|
|
* @param hidden Include hidden commands.
|
|
*/
|
|
public hasCommand( name: string, hidden?: boolean ): boolean {
|
|
|
|
return !!this.getCommand( name, hidden );
|
|
}
|
|
|
|
/**
|
|
* Get sub-command with given name.
|
|
*
|
|
* @param name Name of the sub-command.
|
|
* @param hidden Include hidden commands.
|
|
*/
|
|
public getCommand<O = any>( name: string, hidden?: boolean ): Command<O> | undefined {
|
|
|
|
return this.getBaseCommand( name, hidden ) ?? this.getGlobalCommand( name, hidden );
|
|
}
|
|
|
|
public getBaseCommand<O = any>( name: string, hidden?: boolean ): Command<O> | undefined {
|
|
|
|
let cmd: Command | undefined = this.commands.get( name );
|
|
|
|
return cmd && ( hidden || !cmd.isHidden ) ? cmd : undefined;
|
|
}
|
|
|
|
public getGlobalCommand<O = any>( name: string, hidden?: boolean ): Command<O> | undefined {
|
|
|
|
if ( !this._parent ) {
|
|
return;
|
|
}
|
|
|
|
let cmd: Command | undefined = this._parent.getBaseCommand( name, hidden );
|
|
|
|
if ( !cmd?.isGlobal ) {
|
|
return this._parent.getGlobalCommand( name, hidden );
|
|
}
|
|
|
|
return cmd;
|
|
}
|
|
|
|
/**
|
|
* Remove sub-command with given name.
|
|
*
|
|
* @param name Name of the command.
|
|
*/
|
|
public removeCommand<O = any>( name: string ): Command<O> | undefined {
|
|
|
|
const command = this.getBaseCommand( name, true );
|
|
|
|
if ( command ) {
|
|
this.commands.delete( name );
|
|
}
|
|
|
|
return command;
|
|
}
|
|
|
|
public getTypes(): ITypeSettings[] {
|
|
return this.getGlobalTypes().concat( this.getBaseTypes() );
|
|
}
|
|
|
|
public getBaseTypes(): ITypeSettings[] {
|
|
return Array.from( this.types.values() );
|
|
}
|
|
|
|
public getGlobalTypes(): ITypeSettings[] {
|
|
|
|
const getTypes = ( cmd: Command | undefined, types: ITypeSettings[] = [], names: string[] = [] ): ITypeSettings[] => {
|
|
|
|
if ( cmd ) {
|
|
if ( cmd.types.size ) {
|
|
cmd.types.forEach( ( type: ITypeSettings ) => {
|
|
if (
|
|
type.global &&
|
|
!this.types.has( type.name ) &&
|
|
names.indexOf( type.name ) === -1
|
|
) {
|
|
names.push( type.name );
|
|
types.push( type );
|
|
}
|
|
} );
|
|
}
|
|
|
|
return getTypes( cmd._parent, types, names );
|
|
}
|
|
|
|
return types;
|
|
};
|
|
|
|
return getTypes( this._parent );
|
|
}
|
|
|
|
protected getType( name: string ): ITypeSettings | undefined {
|
|
|
|
return this.getBaseType( name ) ?? this.getGlobalType( name );
|
|
}
|
|
|
|
protected getBaseType( name: string ): ITypeSettings | undefined {
|
|
|
|
return this.types.get( name );
|
|
}
|
|
|
|
protected getGlobalType( name: string ): ITypeSettings | undefined {
|
|
|
|
if ( !this._parent ) {
|
|
return;
|
|
}
|
|
|
|
let cmd: ITypeSettings | undefined = this._parent.getBaseType( name );
|
|
|
|
if ( !cmd?.global ) {
|
|
return this._parent.getGlobalType( name );
|
|
}
|
|
|
|
return cmd;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the command has environment variables or not.
|
|
*/
|
|
public hasEnvVars( hidden?: boolean ): boolean {
|
|
|
|
return this.getEnvVars( hidden ).length > 0;
|
|
}
|
|
|
|
/**
|
|
* Get environment variables.
|
|
*/
|
|
public getEnvVars( hidden?: boolean ): IEnvVariable[] {
|
|
|
|
return this.getGlobalEnvVars( hidden ).concat( this.getBaseEnvVars( hidden ) );
|
|
}
|
|
|
|
public getBaseEnvVars( hidden?: boolean ): IEnvVariable[] {
|
|
|
|
if ( !this.envVars.length ) {
|
|
return [];
|
|
}
|
|
|
|
return hidden ? this.envVars.slice( 0 ) : this.envVars.filter( env => !env.hidden );
|
|
}
|
|
|
|
public getGlobalEnvVars( hidden?: boolean ): IEnvVariable[] {
|
|
|
|
const getEnvVars = ( cmd: Command | undefined, envVars: IEnvVariable[] = [], names: string[] = [] ): IEnvVariable[] => {
|
|
|
|
if ( cmd ) {
|
|
if ( cmd.envVars.length ) {
|
|
cmd.envVars.forEach( ( envVar: IEnvVariable ) => {
|
|
if (
|
|
envVar.global &&
|
|
!this.envVars.find( env => env.names[ 0 ] === envVar.names[ 0 ] ) &&
|
|
names.indexOf( envVar.names[ 0 ] ) === -1 &&
|
|
( hidden || !envVar.hidden )
|
|
) {
|
|
names.push( envVar.names[ 0 ] );
|
|
envVars.push( envVar );
|
|
}
|
|
} );
|
|
}
|
|
|
|
return getEnvVars( cmd._parent, envVars, names );
|
|
}
|
|
|
|
return envVars;
|
|
};
|
|
|
|
return getEnvVars( this._parent );
|
|
}
|
|
|
|
/**
|
|
* Checks whether the command has an environment variable with given name or not.
|
|
*
|
|
* @param name Name of the environment variable.
|
|
* @param hidden Include hidden environment variable.
|
|
*/
|
|
public hasEnvVar( name: string, hidden?: boolean ): boolean {
|
|
|
|
return !!this.getEnvVar( name, hidden );
|
|
}
|
|
|
|
/**
|
|
* Get environment variable with given name.
|
|
*
|
|
* @param name Name of the environment variable.
|
|
* @param hidden Include hidden environment variable.
|
|
*/
|
|
public getEnvVar( name: string, hidden?: boolean ): IEnvVariable | undefined {
|
|
|
|
return this.getBaseEnvVar( name, hidden ) ?? this.getGlobalEnvVar( name, hidden );
|
|
}
|
|
|
|
public getBaseEnvVar( name: string, hidden?: boolean ): IEnvVariable | undefined {
|
|
|
|
const envVar: IEnvVariable | undefined = this.envVars.find( env => env.names.indexOf( name ) !== -1 );
|
|
|
|
return envVar && ( hidden || !envVar.hidden ) ? envVar : undefined;
|
|
}
|
|
|
|
public getGlobalEnvVar( name: string, hidden?: boolean ): IEnvVariable | undefined {
|
|
|
|
if ( !this._parent ) {
|
|
return;
|
|
}
|
|
|
|
let envVar: IEnvVariable | undefined = this._parent.getBaseEnvVar( name, hidden );
|
|
|
|
if ( !envVar?.global ) {
|
|
return this._parent.getGlobalEnvVar( name, hidden );
|
|
}
|
|
|
|
return envVar;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the command has examples or not.
|
|
*/
|
|
public hasExamples(): boolean {
|
|
|
|
return this.examples.length > 0;
|
|
}
|
|
|
|
/**
|
|
* Get examples.
|
|
*/
|
|
public getExamples(): IExample[] {
|
|
|
|
return this.examples;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the command has an example with given name or not.
|
|
*
|
|
* @param name Name of the example.
|
|
*/
|
|
public hasExample( name: string ): boolean {
|
|
|
|
return !!this.getExample( name );
|
|
}
|
|
|
|
/**
|
|
* Get example with given name.
|
|
*
|
|
* @param name Name of the example.
|
|
*/
|
|
public getExample( name: string ): IExample | undefined {
|
|
|
|
return this.examples.find( example => example.name === name );
|
|
}
|
|
|
|
public getRawArgs(): string[] {
|
|
return this.rawArgs;
|
|
}
|
|
|
|
public getLiteralArgs(): string[] {
|
|
return this.literalArgs;
|
|
}
|
|
|
|
/********************************************************************************
|
|
**** HELPER ********************************************************************
|
|
********************************************************************************/
|
|
|
|
/**
|
|
* Write line to stdout without line break.
|
|
*
|
|
* @param args Data to write to stdout.
|
|
*/
|
|
public write( ...args: any[] ) {
|
|
|
|
stdout.writeSync( encode( fill( 2 ) + format( ...args ) ) );
|
|
}
|
|
|
|
/**
|
|
* Write line to stderr without line break.
|
|
*
|
|
* @param args Data to write to stdout.
|
|
*/
|
|
public writeError( ...args: any[] ) {
|
|
|
|
stderr.writeSync( encode( fill( 2 ) + red( format( `[ERROR:${ this._name }]`, ...args ) ) ) );
|
|
}
|
|
|
|
/**
|
|
* Write line to stdout.
|
|
*
|
|
* @param args Data to write to stdout.
|
|
*/
|
|
public log( ...args: any[] ) {
|
|
|
|
this.write( ...args, '\n' );
|
|
}
|
|
|
|
/**
|
|
* Write line to stderr.
|
|
*
|
|
* @param args Data to write to stderr.
|
|
*/
|
|
public logError( ...args: any[] ) {
|
|
|
|
this.writeError( ...args, '\n' );
|
|
}
|
|
|
|
/**
|
|
* Handle error. If `.throwErrors()` was called all error's will be thrown, otherwise `Deno.exit(1)` will be called.
|
|
*
|
|
* @param error Error to handle.
|
|
* @param showHelp Show help.
|
|
*/
|
|
public error( error: Error, showHelp: boolean = true ): Error {
|
|
|
|
if ( this.shouldThrowErrors() ) {
|
|
return error;
|
|
}
|
|
|
|
const CLIFFY_DEBUG: boolean = hasEnvPermissions ? !!Deno.env.get( 'CLIFFY_DEBUG' ) : false;
|
|
|
|
showHelp && this.help();
|
|
this.logError( CLIFFY_DEBUG ? error : error.message );
|
|
this.log();
|
|
|
|
Deno.exit( 1 );
|
|
}
|
|
|
|
/**
|
|
* Output generated help without exiting.
|
|
*/
|
|
public help() {
|
|
Deno.stdout.writeSync( encode( this.getHelp() ) );
|
|
}
|
|
|
|
/**
|
|
* Get generated help.
|
|
*/
|
|
public getHelp(): string {
|
|
this.registerDefaults();
|
|
return HelpGenerator.generate( this );
|
|
}
|
|
}
|