feat: CLI backend integration for VSCode extension #134

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Merged

markijbema merged 10 commits into mark/top-bar-buttons from mark/cli-backend-integration

Feb 5, 2026

bun.lock

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packages/kilo-vscode/.gitignore

Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		bin/

packages/kilo-vscode/.vscodeignore

-Original file line number
+Diff line change
@@ Expand Up / @@ -3,12 +3,18 @@ @@
     out/**
     node_modules/**
     src/**
+    webview-ui/**
     .gitignore
     .yarnrc
+    .npmrc
     esbuild.js
     vsc-extension-quickstart.md
     **/tsconfig.json
     **/eslint.config.mjs
     **/*.map
     **/*.ts
     **/.vscode-test.*
+    pnpm-lock.yaml
+    # Include bin/ directory for CLI binary (production)
+    !bin/**

packages/kilo-vscode/package.json

-Original file line number
+Diff line change
@@ Expand Up / @@ -99,11 +99,12 @@ @@
       },
       "scripts": {
         "vscode:prepublish": "pnpm run package",
-        "compile": "pnpm run check-types && pnpm run lint && node esbuild.js",
+        "prepare:cli-binary": "node scripts/prepare-cli-binary.mjs",
+        "compile": "pnpm run prepare:cli-binary && pnpm run check-types && pnpm run lint && node esbuild.js",
         "watch": "npm-run-all -p watch:*",
-        "watch:esbuild": "node esbuild.js --watch",
+        "watch:esbuild": "pnpm run prepare:cli-binary && node esbuild.js --watch",
         "watch:tsc": "tsc --noEmit --watch --project tsconfig.json",
-        "package": "pnpm run check-types && pnpm run lint && node esbuild.js --production",
+        "package": "pnpm run prepare:cli-binary && pnpm run check-types && pnpm run lint && node esbuild.js --production",
         "compile-tests": "tsc -p . --outDir out",
         "watch-tests": "tsc -p . -w --outDir out",
         "pretest": "pnpm run compile-tests && pnpm run compile && pnpm run lint",
@@ Expand All / @@ -125,6 +126,7 @@ @@
         "typescript-eslint": "^8.54.0"
       },
       "dependencies": {
+        "eventsource": "^2.0.2",
         "solid-js": "^1.9.11"
       }
     }

packages/kilo-vscode/pnpm-lock.yaml

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packages/kilo-vscode/scripts/prepare-cli-binary.mjs

-Original file line number
+Diff line change
@@ -0,0 +1,120 @@
+    import { existsSync, mkdirSync, readdirSync, statSync, copyFileSync, chmodSync } from "node:fs";
+    import path from "node:path";
+    import { fileURLToPath } from "node:url";
+    import { execSync } from "node:child_process";
+    /**
+     * Ensures the VS Code extension has a CLI binary at `packages/kilo-vscode/bin/kilo`.
+     *
+     * Strategy:
+     * 1) If `bin/kilo` already exists -> ok.
+     * 2) Else try to locate a prebuilt binary produced by `packages/opencode` build.
+     * 3) Else try to build it via `bun run build --single` in `packages/opencode`.
+     * 4) Copy the resulting binary into `packages/kilo-vscode/bin/kilo` and chmod +x.
+     *
+     * This script is intended to be run from `packages/kilo-vscode` as part of build/package.
+     */
+    const __filename = fileURLToPath(import.meta.url);
+    const __dirname = path.dirname(__filename);
+    const kiloVscodeDir = path.resolve(__dirname, "..");
+    const repoRootDir = path.resolve(kiloVscodeDir, "..");
+    const opencodeDir = path.resolve(repoRootDir, "opencode");
+    const targetBinDir = path.resolve(kiloVscodeDir, "bin");
+    const targetBinPath = path.resolve(targetBinDir, "kilo");
+    function log(msg) {
+      // Keep logs machine-grep friendly in CI
+      console.log(`[prepare-cli-binary] ${msg}`);
+    }
+    function findKiloBinaryInOpencodeDist() {
+      const distDir = path.resolve(opencodeDir, "dist");
+      if (!existsSync(distDir)) return null;
+      // Expected: packages/opencode/dist/@kilocode/cli-<platform>/bin/kilo
+      // But keep it flexible: find any dist/**/bin/kilo
+      /** @type {string[]} */
+      const queue = [distDir];
+      while (queue.length) {
+        const dir = queue.pop();
+        if (!dir) continue;
+        let entries;
+        try {
+          entries = readdirSync(dir, { withFileTypes: true });
+        } catch {
+          continue;
+        }
+        for (const e of entries) {
+          const p = path.join(dir, e.name);
+          if (e.isDirectory()) {
+            queue.push(p);
+            continue;
+          }
+          if (e.isFile() && e.name === "kilo" && path.basename(path.dirname(p)) === "bin") {
+            return p;
+          }
+        }
+      }
+      return null;
+    }
+    function ensureBuiltBinary() {
+      const found = findKiloBinaryInOpencodeDist();
+      if (found) return found;
+      log(`No prebuilt binary found under ${path.relative(kiloVscodeDir, path.resolve(opencodeDir, "dist"))} - attempting build via bun.`);
+      try {
+        execSync("bun --version", { stdio: "ignore" });
+      } catch {
+        throw new Error(
+          `Bun is required to build the CLI binary, but was not found on PATH. ` +
+            `Install bun, or build the CLI separately in ${opencodeDir} and re-run.`
+        );
+      }
+      // Build using the opencode package script.
+      execSync("bun run build --single", {
+        cwd: opencodeDir,
+        stdio: "inherit",
+        env: process.env,
+      });
+      const built = findKiloBinaryInOpencodeDist();
+      if (!built) {
+        throw new Error(
+          `CLI build completed but no binary was found in ${path.resolve(opencodeDir, "dist")} (expected dist/**/bin/kilo).`
+        );
+      }
+      return built;
+    }
+    function main() {
+      if (existsSync(targetBinPath)) {
+        const st = statSync(targetBinPath);
+        log(`CLI binary already present at ${path.relative(kiloVscodeDir, targetBinPath)} (${Math.round(st.size / 1024 / 1024)}MB).`);
+        return;
+      }
+      if (!existsSync(opencodeDir)) {
+        throw new Error(`Expected opencode package at ${opencodeDir}, but it does not exist.`);
+      }
+      const sourceBinPath = ensureBuiltBinary();
+      mkdirSync(targetBinDir, { recursive: true });
+      copyFileSync(sourceBinPath, targetBinPath);
+      chmodSync(targetBinPath, 0o755);
+      log(`Copied CLI binary from ${path.relative(repoRootDir, sourceBinPath)} -> ${path.relative(kiloVscodeDir, targetBinPath)}`);
+    }
+    try {
+      main();
+    } catch (err) {
+      console.error(`[prepare-cli-binary] ERROR: ${err instanceof Error ? err.message : String(err)}`);
+      process.exit(1);
+    }

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