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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 | 2x 2x 2x 33x 33x 43x 13x 9x 33x 33x 33x 33x 11x 9x 9x 9x 7x 2x 33x 33x 23x 23x 23x 19x 23x 19x 4x 3x 33x 63x 34x 34x 1x 33x 33x 33x 33x 33x 33x 33x 37x 30x 5x 25x 7x 4x 3x 33x 33x 33x 33x 33x 2x 33x 5x 33x 2x 34x 34x 34x 33x 33x | import yargsParseArgs from "yargs-parser"; import _forEach from "lodash/forEach"; import { debug } from "../debug"; import { Argument, Def, ParsedArgs, YargsParserArguments } from "../types"; /** * list missing args * * @param {Object} appCmd - command definition * @param {Array} positionalArgs from commandline * @returns {Array[]} missing args */ function findMissingArgs(appCmd: Def, positionalArgs: string[]) { const missing: Argument[] = []; _forEach(appCmd.args, (arg, idx) => { if (!positionalArgs[idx]) { if (!arg.isOptional) { missing.push(arg); } } }); return missing; } type ArgV = Omit<YargsParserArguments, "_" | "$0">; /** * clean and format options specified in the command * * @param {Object} appCmd - command definition * @param {Object} argv - options parsed from commandline * @returns {Object} argv and unknown options */ function processOptions(appCmd: Def, argv: ArgV) { // console.log("processOptions", JSON.stringify({ appCmd, argv }, null, 2)); const newArgv: ArgV = {}; const unknownOpts: ArgV[] = []; _forEach(argv, (val, key) => { // don't add aliases if (!appCmd.aliasLookup?.[key]) { // ensure options are arrays unless boolean Eif (val !== true && val !== false) { val = Array.isArray(val) ? val : [val]; } // classify unknown options if (appCmd.optsLookup?.[key] === undefined) { unknownOpts.push({ [key]: val }); } else { newArgv[key] = val; } } }); return { unknownOpts, args: newArgv }; // return { unknownOpts, options: newArgv }; } /** * * @param {Number} argCount - the number of args on commandline * @param {Boolean} nextArg - true if the last arg on commandline is complete * @param {Array} argsDef - the command arguments definition * @returns {String} the current arg */ function getCurrentArg( argCount: number, nextArg: boolean, argsDef?: Argument[] ) { let current; if (argsDef && argsDef.length) { const lastIdx = argsDef.length - 1; let idx = argCount; if (idx && !nextArg) { idx--; } if (idx < argsDef.length) { current = argsDef[idx].name; } else if (argsDef[lastIdx].isMulti) { current = argsDef[lastIdx].name; } } return current; } /** * @typedef {Object} Args * @property {Array} missing - required arguments not provided * @property {Array} unknownArgs - arguments which do not exist in the command definition * @property {Array} unknownOpts - options which do not exist in the command definition * @property {Object} args - all valid arguments and options from commandline */ /** * parse command args and options * * @param {Object} appCmd - command definition * @param {String} cmdArgs - arguments and options from commandline * @param {String} cmdLine - commandLine string * @returns {Args} the parsed commandline */ function parseArgs(appCmd: Def, cmdArgs: string, cmdLine = "") { const parsed = yargsParseArgs.detailed(cmdArgs, appCmd.argsParserOpts); if (parsed.error) { throw parsed.error; } // eslint-disable-next-line prefer-const // let { _: positionalArgs, ...args } = parsed.argv; // eslint-disable-next-line prefer-const let { _: positionalArgs, $0: script, ...args } = parsed.argv; // if positional args have no value they need to appear in missing const missing = findMissingArgs(appCmd, positionalArgs); let unknownOpts; // eslint-disable-next-line prefer-const ({ args, unknownOpts } = processOptions(appCmd, args)); // eslint-disable-next-line prefer-const // let { options, unknownOpts } = processOptions(appCmd, args); const unknownArgs: string[] = []; const lastIdx = appCmd.args ? appCmd.args.length - 1 : -1; const lastArg = lastIdx >= 0 && appCmd.args?.[lastIdx] ? appCmd.args[lastIdx] : { isMulti: false, name: "" }; // assign positional values _forEach(positionalArgs, (value, idx) => { if (appCmd.args && appCmd.args[idx]) { if (appCmd.args[idx].isMulti) { args[appCmd.args[idx].name] = [value]; } else { args[appCmd.args[idx].name] = value; } } else if (lastArg?.isMulti) { // if (Array.isArray(args[lastArg.name])) { args[lastArg.name].push(value); } else { // args[lastArg.name] = value; // } // } else { unknownArgs.push(value); } }); const argCount = positionalArgs.length; const nextArg = /\s$/.test(cmdLine); const current = getCurrentArg(argCount, nextArg, appCmd.args); const result: ParsedArgs = { args, missing, current }; // const result: ParsedArgs = { args, opts: options, missing, current }; if (unknownArgs.length) { result.unknownArgs = unknownArgs; } if (unknownOpts.length) { result.unknownOpts = unknownOpts; } return result; } /** * * @param {Object} arg0 - * @param {Object} arg0.appCmd - command definition * @param {String} arg0.cmdArgs - arguments and options input * @returns {Args} parsed args with validation */ export function parse(arg0: { appCmd: Def; cmdArgs: string; cmdLine?: string; }) { const { appCmd, cmdArgs, cmdLine } = arg0; debug({ appCmd, cmdArgs }); const parsedArgs = parseArgs(appCmd, cmdArgs, cmdLine); debug({ parsedArgs }); return parsedArgs; } |