michael/discord-vscode
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docs: comment out the code (#2)

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Added a bunch of comments to create a better understanding of the code.
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matthe815 2017-11-23 19:22:23 -05:00 committed by Crawl
parent 428d22d703
commit 448eee76e9
1 changed files with 28 additions and 0 deletions
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28
src/extension.ts
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@ -1,34 +1,53 @@
// Import the required functions & object types from various packages.
import { Client } from 'discord-rpc';
import { basename, extname } from 'path';
import { ExtensionContext, commands, window, workspace, Uri, TextDocumentChangeEvent, TextDocument } from 'vscode';
import { setInterval, clearInterval } from 'timers';
// Define the RPC variable and its type.
let rpc: Client;
// `Activate` is fired when the extension is enabled. This SHOULD only fire once.
export function activate(context: ExtensionContext) {
// Get the workspace's configuration for "discord".
const config = workspace.getConfiguration('discord');
// Obtain whether or not the extension is activated.
if (config.get('enabled')) {
initRPC(config.get('clientID'));
}
// Register the `discord.enable` command, and set the `enabled` config option to true.
const enabler = commands.registerCommand('discord.enable', () => {
config.update('enabled', true);
initRPC(config.get('clientID'));
});
// Register the `discord.disable` command, and set the `enabled` config option to false.
const disabler = commands.registerCommand('discord.disable', () => {
config.update('enabled', false);
rpc.setActivity({});
});
// Push the new commands into the subscriptions.
context.subscriptions.push(enabler, disabler);
}
// `Deactivate` is fired whenever the extension is deactivated.
export function deactivate(context: ExtensionContext) {
// If there's an RPC Client initalized, destroy it.
if (rpc) rpc.destroy();
}
// This function updates the activity (The Client's Rich Presence status).
function setActivity(): void {
// Do not continue if RPC isn't initalized.
if (!rpc) return;
// Create a JSON Object with the user's activity information.
const activity = {
details: window.activeTextEditor
? `Editing ${basename(window.activeTextEditor.document.fileName)}`
@ -49,15 +68,24 @@ function setActivity(): void {
smallImageText: 'Visual Studio Code',
instance: false
};
// Update the user's activity to the `activity` variable.
rpc.setActivity(activity);
}
/// Initalize the RPC systems.
function initRPC(clientID: string): void {
// Update the RPC variable with a new RPC Client.
rpc = new Client({ transport: 'ipc' });
// Once the RPC Client is ready, set the activity.
rpc.once('ready', () => {
setActivity();
workspace.onDidChangeTextDocument((e: TextDocumentChangeEvent) => setActivity());
});
// Log in to the RPC Client, and check whether or not it errors.
rpc.login(clientID).catch(error =>
error.message.includes('ENOENT')
? window.showErrorMessage('No Discord Client detected!')