rust/editors/code/src/ctx.ts
2020-03-07 14:08:35 +02:00

60 lines
1.6 KiB
TypeScript

import * as vscode from 'vscode';
import * as lc from 'vscode-languageclient';
import { Config } from './config';
import { createClient } from './client';
import { isRustEditor, RustEditor } from './util';
export class Ctx {
private constructor(
readonly config: Config,
private readonly extCtx: vscode.ExtensionContext,
readonly client: lc.LanguageClient
) {
}
static async create(config: Config, extCtx: vscode.ExtensionContext, serverPath: string): Promise<Ctx> {
const client = await createClient(config, serverPath);
const res = new Ctx(config, extCtx, client);
res.pushCleanup(client.start());
await client.onReady();
return res;
}
get activeRustEditor(): RustEditor | undefined {
const editor = vscode.window.activeTextEditor;
return editor && isRustEditor(editor)
? editor
: undefined;
}
get visibleRustEditors(): RustEditor[] {
return vscode.window.visibleTextEditors.filter(isRustEditor);
}
registerCommand(name: string, factory: (ctx: Ctx) => Cmd) {
const fullName = `rust-analyzer.${name}`;
const cmd = factory(this);
const d = vscode.commands.registerCommand(fullName, cmd);
this.pushCleanup(d);
}
get globalState(): vscode.Memento {
return this.extCtx.globalState;
}
get subscriptions(): Disposable[] {
return this.extCtx.subscriptions;
}
pushCleanup(d: Disposable) {
this.extCtx.subscriptions.push(d);
}
}
export interface Disposable {
dispose(): void;
}
export type Cmd = (...args: any[]) => unknown;