Hugging Face's logo

Spaces:
amos-fernandes
/
melbot
Configuration error

App Files Community
melbot
File size: 4,728 Bytes 
3a65265
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
 
import { execFile } from "node:child_process";
import fs from "node:fs/promises";
import path from "node:path";
import { promisify } from "node:util";

import { isSupportedNodeVersion } from "../infra/runtime-guard.js";

const VERSION_MANAGER_MARKERS = [
  "/.nvm/",
  "/.fnm/",
  "/.volta/",
  "/.asdf/",
  "/.n/",
  "/.nodenv/",
  "/.nodebrew/",
  "/nvs/",
];

function getPathModule(platform: NodeJS.Platform) {
  return platform === "win32" ? path.win32 : path.posix;
}

function normalizeForCompare(input: string, platform: NodeJS.Platform): string {
  const pathModule = getPathModule(platform);
  const normalized = pathModule.normalize(input).replaceAll("\\", "/");
  if (platform === "win32") {
    return normalized.toLowerCase();
  }
  return normalized;
}

function buildSystemNodeCandidates(
  env: Record<string, string | undefined>,
  platform: NodeJS.Platform,
): string[] {
  if (platform === "darwin") {
    return ["/opt/homebrew/bin/node", "/usr/local/bin/node", "/usr/bin/node"];
  }
  if (platform === "linux") {
    return ["/usr/local/bin/node", "/usr/bin/node"];
  }
  if (platform === "win32") {
    const pathModule = getPathModule(platform);
    const programFiles = env.ProgramFiles ?? "C:\\Program Files";
    const programFilesX86 = env["ProgramFiles(x86)"] ?? "C:\\Program Files (x86)";
    return [
      pathModule.join(programFiles, "nodejs", "node.exe"),
      pathModule.join(programFilesX86, "nodejs", "node.exe"),
    ];
  }
  return [];
}

type ExecFileAsync = (
  file: string,
  args: readonly string[],
  options: { encoding: "utf8" },
) => Promise<{ stdout: string; stderr: string }>;

const execFileAsync = promisify(execFile) as unknown as ExecFileAsync;

async function resolveNodeVersion(
  nodePath: string,
  execFileImpl: ExecFileAsync,
): Promise<string | null> {
  try {
    const { stdout } = await execFileImpl(nodePath, ["-p", "process.versions.node"], {
      encoding: "utf8",
    });
    const value = stdout.trim();
    return value ? value : null;
  } catch {
    return null;
  }
}

export type SystemNodeInfo = {
  path: string;
  version: string | null;
  supported: boolean;
};

export function isVersionManagedNodePath(
  nodePath: string,
  platform: NodeJS.Platform = process.platform,
): boolean {
  const normalized = normalizeForCompare(nodePath, platform);
  return VERSION_MANAGER_MARKERS.some((marker) => normalized.includes(marker));
}

export function isSystemNodePath(
  nodePath: string,
  env: Record<string, string | undefined> = process.env,
  platform: NodeJS.Platform = process.platform,
): boolean {
  const normalized = normalizeForCompare(nodePath, platform);
  return buildSystemNodeCandidates(env, platform).some((candidate) => {
    const normalizedCandidate = normalizeForCompare(candidate, platform);
    return normalized === normalizedCandidate;
  });
}

export async function resolveSystemNodePath(
  env: Record<string, string | undefined> = process.env,
  platform: NodeJS.Platform = process.platform,
): Promise<string | null> {
  const candidates = buildSystemNodeCandidates(env, platform);
  for (const candidate of candidates) {
    try {
      await fs.access(candidate);
      return candidate;
    } catch {
      // keep going
    }
  }
  return null;
}

export async function resolveSystemNodeInfo(params: {
  env?: Record<string, string | undefined>;
  platform?: NodeJS.Platform;
  execFile?: ExecFileAsync;
}): Promise<SystemNodeInfo | null> {
  const env = params.env ?? process.env;
  const platform = params.platform ?? process.platform;
  const systemNode = await resolveSystemNodePath(env, platform);
  if (!systemNode) return null;

  const version = await resolveNodeVersion(systemNode, params.execFile ?? execFileAsync);
  return {
    path: systemNode,
    version,
    supported: isSupportedNodeVersion(version),
  };
}

export function renderSystemNodeWarning(
  systemNode: SystemNodeInfo | null,
  selectedNodePath?: string,
): string | null {
  if (!systemNode || systemNode.supported) return null;
  const versionLabel = systemNode.version ?? "unknown";
  const selectedLabel = selectedNodePath ? ` Using ${selectedNodePath} for the daemon.` : "";
  return `System Node ${versionLabel} at ${systemNode.path} is below the required Node 22+.${selectedLabel} Install Node 22+ from nodejs.org or Homebrew.`;
}

export async function resolvePreferredNodePath(params: {
  env?: Record<string, string | undefined>;
  runtime?: string;
  platform?: NodeJS.Platform;
  execFile?: ExecFileAsync;
}): Promise<string | undefined> {
  if (params.runtime !== "node") return undefined;
  const systemNode = await resolveSystemNodeInfo(params);
  if (!systemNode?.supported) return undefined;
  return systemNode.path;
}