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server/client: refactor command input

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Keep happy path on the left and try to return as early
as we can to help the reader understand the logic better

The function is too large to be able to quickly scan an if / else
chain and see the function return at the end
This commit is contained in:
Reto Brunner 2023-03-04 17:01:58 +01:00
parent 402332340b
commit 4e954b919c
1 changed files with 39 additions and 31 deletions
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70
server/client.ts
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@ -465,38 +465,9 @@ class Client {
const cmd = args?.shift()?.toLowerCase() || "";
const irc = target.network.irc;
let connected = irc && irc.connection && irc.connection.connected;
const connected = irc?.connected;
if (inputs.userInputs.has(cmd)) {
const plugin = inputs.userInputs.get(cmd);
if (!plugin) {
// should be a no-op
throw new Error(`Plugin ${cmd} not found`);
}
if (typeof plugin.input === "function" && (connected || plugin.allowDisconnected)) {
connected = true;
plugin.input.apply(client, [target.network, target.chan, cmd, args]);
}
} else if (inputs.pluginCommands.has(cmd)) {
const plugin = inputs.pluginCommands.get(cmd);
if (typeof plugin.input === "function" && (connected || plugin.allowDisconnected)) {
connected = true;
plugin.input(
new PublicClient(client, plugin.packageInfo),
{network: target.network, chan: target.chan},
cmd,
args
);
}
} else if (connected) {
// TODO: fix
irc!.raw(text);
}
if (!connected) {
const emitFailureDisconnected = () => {
target.chan.pushMessage(
this,
new Msg({
@ -504,7 +475,44 @@ class Client {
text: "You are not connected to the IRC network, unable to send your command.",
})
);
};
const plugin = inputs.userInputs.get(cmd);
if (plugin) {
if (!connected && !plugin.allowDisconnected) {
emitFailureDisconnected();
return;
}
plugin.input.apply(client, [target.network, target.chan, cmd, args]);
return;
}
const extPlugin = inputs.pluginCommands.get(cmd);
if (extPlugin) {
if (!connected && !extPlugin.allowDisconnected) {
emitFailureDisconnected();
return;
}
extPlugin.input(
new PublicClient(client, extPlugin.packageInfo),
{network: target.network, chan: target.chan},
cmd,
args
);
return;
}
if (!connected) {
emitFailureDisconnected();
return;
}
// TODO: fix
irc!.raw(text);
}
compileCustomHighlights() {