/
command-handler.js
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/
command-handler.js
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/*
This file is part of Talkie -- text-to-speech browser extension button.
<https://joelpurra.com/projects/talkie/>
Copyright (c) 2016, 2017, 2018, 2019 Joel Purra <https://joelpurra.com/>
Talkie is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Talkie is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Talkie. If not, see <https://www.gnu.org/licenses/>.
*/
import {
logDebug,
logError,
} from "../shared/log";
export default class CommandHandler {
constructor(commandMap) {
this.commandMap = commandMap;
}
handle(command, ...args) {
logDebug("Start", "commandHandler", command);
const commandAction = this.commandMap[command];
if (typeof commandAction !== "function") {
throw new Error("Bad command action for command: " + command);
}
return commandAction(...args)
.then((result) => {
logDebug("Done", "commandHandler", command, result);
return undefined;
})
.catch((error) => {
logError("commandHandler", command, error);
throw error;
});
}
handleCommandEvent(command, ...args) {
logDebug("Start", "handleCommandEvent", command);
// NOTE: straight mapping from command to action.
return this.handle(command, ...args)
.then((result) => {
logDebug("Done", "handleCommandEvent", command, result);
return undefined;
})
.catch((error) => {
logError("handleCommandEvent", command, error);
throw error;
});
}
}