Method getExtensionsForFile

src/cm/lsp/clientManager.ts:295–386

(metadata: FileMetadata)

  }

  async getExtensionsForFile(metadata: FileMetadata): Promise<Extension[]> {
    const {
      uri: originalUri,
      languageId,
      languageName,
      view,
      file,
      rootUri,
    } = metadata;

    const effectiveLang = safeString(languageId ?? languageName).toLowerCase();
    if (!effectiveLang) return [];

    const servers = serverRegistry.getServersForLanguage(effectiveLang);
    if (!servers.length) return [];

    const lspExtensions: Extension[] = [];
    const diagnosticsUiExtension = this.options.diagnosticsUiExtension;

    for (const server of servers) {
      if (isSettingsOrKeybindingsFile(server, originalUri, file)) {
        continue;
      }
      const target = await this.#resolveRuntimeTarget(server, {
        uri: originalUri,
        file,
        view,
        languageId: effectiveLang,
        rootUri,
      });
      if (!target) {
        console.warn(
          `Cannot resolve runtime or document URI for LSP server ${server.id}: ${originalUri}`,
        );
        continue;
      }
      const normalizedUri = target.documentUri;
      let targetLanguageId = effectiveLang;
      if (server.resolveLanguageId) {
        try {
          const resolved = server.resolveLanguageId({
            languageId: effectiveLang,
            languageName,
            uri: normalizedUri,
            file,
          });
          if (resolved) targetLanguageId = safeString(resolved);
        } catch (error) {
          console.warn(
            `LSP server ${server.id} failed to resolve language id for ${normalizedUri}`,
            error,
          );
        }
      }

      try {
        const clientState = await this.#ensureClient(
          server,