fargv/src/parseFlagAliases.js

Multi-customizable parser of process.argv for nodejs.

const isObject = require("../dependencies/isObject");

const copyV = require("../dependencies/copyValWithoutBind");

const parseFlagAliases = function (parsedArgs) {

	if(isObject(this.usableOptions.defaultArgv)) {

		for(const defaultArgName in this.usableOptions.defaultArgv) {

			const [defaultValue, aliases] = copyV(this.usableOptions.defaultArgv[defaultArgName]);

			let findAliasStatus = false;

			//we must delete aliases anyway
			for(let i = 0; i < aliases.length; i++) {

				if(findAliasStatus) {

					delete parsedArgs.flags[aliases[i]];

					continue;

				}

				if(parsedArgs.flags.hasOwnProperty(aliases[i])) {

					findAliasStatus = true;

					if(
						typeof parsedArgs.flags[defaultArgName] == "undefined"
						&&
						!(Array.isArray(this.usableOptions.excludeFlags) && ~this.usableOptions.excludeFlags.indexOf(defaultArgName))
					) {

						parsedArgs.flags[defaultArgName] = copyV(parsedArgs.flags[aliases[i]]);

					}

					delete parsedArgs.flags[aliases[i]];

				}

			}

			if(
				!findAliasStatus &&
				typeof parsedArgs.flags[defaultArgName] == "undefined" &&
				!(Array.isArray(this.usableOptions.excludeFlags) && ~this.usableOptions.excludeFlags.indexOf(defaultArgName))
			) {

				if( Array.isArray( defaultValue ) && defaultValue[0] === undefined && defaultValue[1] == "$notFill") {

					//nothing

				} else {

					parsedArgs.flags[defaultArgName] = defaultValue;

				}

			}

		}

	}

};

module.exports = parseFlagAliases;