opencode/sdks/vscode/src/extension.ts

// This method is called when your extension is deactivated
export function deactivate() {}

import * as vscode from "vscode";

export function activate(context: vscode.ExtensionContext) {
  const TERMINAL_NAME = "opencode Terminal";

  // Register command to open terminal in split screen and run opencode
  let openTerminalDisposable = vscode.commands.registerCommand("opencode.openTerminal", async () => {
    // Create a new terminal in split screen
    const terminal = vscode.window.createTerminal({
      name: TERMINAL_NAME,
      location: {
        viewColumn: vscode.ViewColumn.Beside,
        preserveFocus: false,
      },
    });

    terminal.show();
    terminal.sendText("OPENCODE_THEME=system OPENCODE_CALLER=vscode opencode");
  });

  // Register command to add filepath to terminal
  let addFilepathDisposable = vscode.commands.registerCommand("opencode.addFilepathToTerminal", async () => {
    const activeEditor = vscode.window.activeTextEditor;

    if (!activeEditor) {
      vscode.window.showInformationMessage("No active file to get path from");
      return;
    }

    const document = activeEditor.document;
    const workspaceFolder = vscode.workspace.getWorkspaceFolder(document.uri);

    if (!workspaceFolder) {
      vscode.window.showInformationMessage("File is not in a workspace");
      return;
    }

    // Get the relative path from workspace root
    const relativePath = vscode.workspace.asRelativePath(document.uri);
    let filepathWithAt = `@${relativePath}`;

    // Check if there's a selection and add line numbers
    const selection = activeEditor.selection;
    if (!selection.isEmpty) {
      // Convert to 1-based line numbers
      const startLine = selection.start.line + 1;
      const endLine = selection.end.line + 1;

      if (startLine === endLine) {
        // Single line selection
        filepathWithAt += `#L${startLine}`;
      } else {
        // Multi-line selection
        filepathWithAt += `#L${startLine}-${endLine}`;
      }
    }

    // Get or create terminal
    let terminal = vscode.window.activeTerminal;
    if (terminal?.name === TERMINAL_NAME) {
      terminal.sendText(filepathWithAt);
      terminal.show();
    }
  });

  context.subscriptions.push(openTerminalDisposable, addFilepathDisposable);
}