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Copy pathcommandhandler.js
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53 lines (46 loc) · 1.19 KB
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import CommandParseResult from "./commandparseresult.js";
class CommandHandler {
constructor() {
this.commands = {};
}
/**
* Adds a command to the handler.
* @param {Command} command The command to add.
* @returns {CommandHandler}
*/
addCommand(command) {
this.commands[command.name()] = command;
return this;
}
/**
* Adds multiple commands to the handler.
* @param {...Command} commands The commands to add.
* @returns {CommandHandler}
*/
addCommands(...commands) {
for (let command of commands) {
this.addCommand(command);
}
return this;
}
/**
* Parses a command string, determining which command to parse automatically.
* @param {string} input The command string to parse.
* @returns {CommandParseResult|null} The result of the parse, or null if no command was found.
*/
parseSync(input) {
let args = input.split(" ");
let command = args.shift();
if (this.commands[command]) {
return new CommandParseResult(this.commands[command], this.commands[command].parseSync(args.join(" ")));
} else {
return null;
}
}
parse(input) {
return new Promise((resolve, reject) => {
resolve(this.parseSync(input));
});
}
}
export default CommandHandler;