1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
import { spawn } from "child_process";
import path from "path";
import {
createMessageConnection,
StreamMessageReader,
StreamMessageWriter,
} from "vscode-jsonrpc/node";
import { App } from "../app";
import { Log } from "../util/log";
import { LANGUAGE_EXTENSIONS } from "./language";
import { Bus } from "../bus";
import z from "zod/v4";
export namespace LSPClient {
const log = Log.create({ service: "lsp.client" });
export type Info = Awaited<ReturnType<typeof create>>;
export const Event = {
Diagnostics: Bus.event(
"lsp.client.diagnostics",
z.object({
path: z.string(),
}),
),
};
export async function create(input: { cmd: string[] }) {
log.info("starting client", input);
let version = 0;
const app = await App.use();
const [command, ...args] = input.cmd;
const server = spawn(command, args, {
stdio: ["pipe", "pipe", "pipe"],
cwd: app.root,
});
const connection = createMessageConnection(
new StreamMessageReader(server.stdout),
new StreamMessageWriter(server.stdin),
);
const diagnostics = new Map<string, any>();
connection.onNotification("textDocument/publishDiagnostics", (params) => {
const path = new URL(params.uri).pathname;
log.info("textDocument/publishDiagnostics", {
path,
});
diagnostics.set(path, params.diagnostics);
Bus.publish(Event.Diagnostics, { path });
});
connection.listen();
await connection.sendRequest("initialize", {
processId: server.pid,
initializationOptions: {
workspaceFolders: [
{
name: "workspace",
uri: "file://" + app.root,
},
],
tsserver: {
path: require.resolve("typescript/lib/tsserver.js"),
},
},
capabilities: {
workspace: {
configuration: true,
didChangeConfiguration: {
dynamicRegistration: true,
},
didChangeWatchedFiles: {
dynamicRegistration: true,
relativePatternSupport: true,
},
},
textDocument: {
synchronization: {
dynamicRegistration: true,
didSave: true,
},
completion: {
completionItem: {},
},
codeLens: {
dynamicRegistration: true,
},
documentSymbol: {},
codeAction: {
codeActionLiteralSupport: {
codeActionKind: {
valueSet: [],
},
},
},
publishDiagnostics: {
versionSupport: true,
},
semanticTokens: {
requests: {
range: {},
full: {},
},
tokenTypes: [],
tokenModifiers: [],
formats: [],
},
},
window: {},
},
});
await connection.sendNotification("initialized", {});
log.info("initialized");
const result = {
get connection() {
return connection;
},
notify: {
async open(input: { path: string }) {
log.info("textDocument/didOpen", input);
diagnostics.delete(input.path);
const text = await Bun.file(input.path).text();
const languageId = LANGUAGE_EXTENSIONS[path.extname(input.path)];
await connection.sendNotification("textDocument/didOpen", {
textDocument: {
uri: `file://` + input.path,
languageId,
version: 1,
text: text,
},
});
},
async change(input: { path: string }) {
log.info("textDocument/didChange", input);
diagnostics.delete(input.path);
const text = await Bun.file(input.path).text();
version++;
await connection.sendNotification("textDocument/didChange", {
textDocument: {
uri: `file://` + input.path,
version: Date.now(),
},
contentChanges: [
{
text,
},
],
});
},
},
get diagnostics() {
return diagnostics;
},
async refreshDiagnostics(input: { path: string }) {
log.info("refreshing diagnostics", input);
let unsub: () => void;
let timeout: NodeJS.Timeout;
return await Promise.race([
new Promise<void>(async (resolve) => {
unsub = Bus.subscribe(Event.Diagnostics, (event) => {
if (event.properties.path === input.path) {
log.info("refreshed diagnostics", input);
clearTimeout(timeout);
unsub?.();
resolve();
}
});
await result.notify.change(input);
}),
new Promise<void>((resolve) => {
timeout = setTimeout(() => {
unsub?.();
resolve();
}, 5000);
}),
]);
},
};
return result;
}
}
|
