refactor: Move Bazel wrapper commands into separate file (#406)

This in preparation of adding a new "Measure Coverage" command, but I
don't want to make the main `extension.ts` file even longer.

src/extension/bazel_wrapper_commands.ts

@@ -0,0 +1,326 @@
+// Copyright 2024 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import * as vscode from "vscode";
+
+import { IBazelCommandAdapter } from "../bazel";
+import {
+  BazelWorkspaceInfo,
+  createBazelTask,
+  queryQuickPickPackage,
+  queryQuickPickTargets,
+} from "../bazel";
+import { getDefaultBazelExecutablePath } from "./configuration";
+
+/**
+ * Builds a Bazel target and streams output to the terminal.
+ *
+ * @param adapter An object that implements {@link IBazelCommandAdapter} from
+ * which the command's arguments will be determined.
+ */
+async function bazelBuildTarget(adapter: IBazelCommandAdapter | undefined) {
+  if (adapter === undefined) {
+    // If the command adapter was unspecified, it means this command is being
+    // invoked via the command palatte. Provide quickpick build targets for
+    // the user to choose from.
+    const quickPick = await vscode.window.showQuickPick(
+      queryQuickPickTargets({ query: "kind('.* rule', ...)" }),
+      {
+        canPickMany: false,
+      },
+    );
+    // If the result was undefined, the user cancelled the quick pick, so don't
+    // try again.
+    if (quickPick) {
+      await bazelBuildTarget(quickPick);
+    }
+    return;
+  }
+  const commandOptions = adapter.getBazelCommandOptions();
+  const task = createBazelTask("build", commandOptions);
+  // eslint-disable-next-line @typescript-eslint/no-floating-promises
+  vscode.tasks.executeTask(task);
+}
+
+/**
+ * Builds a Bazel target and attaches the Starlark debugger.
+ *
+ * @param adapter An object that implements {@link IBazelCommandAdapter} from
+ * which the command's arguments will be determined.
+ */
+async function bazelBuildTargetWithDebugging(
+  adapter: IBazelCommandAdapter | undefined,
+) {
+  if (adapter === undefined) {
+    // If the command adapter was unspecified, it means this command is being
+    // invoked via the command palatte. Provide quickpick build targets for
+    // the user to choose from.
+    const quickPick = await vscode.window.showQuickPick(
+      queryQuickPickTargets({ query: "kind('.* rule', ...)" }),
+      {
+        canPickMany: false,
+      },
+    );
+    // If the result was undefined, the user cancelled the quick pick, so don't
+    // try again.
+    if (quickPick) {
+      // eslint-disable-next-line @typescript-eslint/no-floating-promises
+      bazelBuildTargetWithDebugging(quickPick);
+    }
+    return;
+  }
+  const bazelConfigCmdLine =
+    vscode.workspace.getConfiguration("bazel.commandLine");
+  const startupOptions = bazelConfigCmdLine.get<string[]>("startupOptions");
+  const commandArgs = bazelConfigCmdLine.get<string[]>("commandArgs");
+
+  const commandOptions = adapter.getBazelCommandOptions();
+
+  const fullArgs = commandArgs
+    .concat(commandOptions.targets)
+    .concat(commandOptions.options);
+
+  // eslint-disable-next-line @typescript-eslint/no-floating-promises
+  vscode.debug.startDebugging(undefined, {
+    args: fullArgs,
+    bazelCommand: "build",
+    bazelExecutablePath: getDefaultBazelExecutablePath(),
+    bazelStartupOptions: startupOptions,
+    cwd: commandOptions.workspaceInfo.bazelWorkspacePath,
+    name: "On-demand Bazel Build Debug",
+    request: "launch",
+    type: "bazel-launch-build",
+  });
+}
+
+/**
+ * Builds a Bazel package and streams output to the terminal.
+ *
+ * @param adapter An object that implements {@link IBazelCommandAdapter} from
+ * which the command's arguments will be determined.
+ */
+async function bazelbuildAll(adapter: IBazelCommandAdapter | undefined) {
+  await buildPackage(":all", adapter);
+}
+
+/**
+ * Builds a Bazel package recursively and streams output to the terminal.
+ *
+ * @param adapter An object that implements {@link IBazelCommandAdapter} from
+ * which the command's arguments will be determined.
+ */
+async function bazelbuildAllRecursive(
+  adapter: IBazelCommandAdapter | undefined,
+) {
+  await buildPackage("/...", adapter);
+}
+
+async function buildPackage(
+  suffix: string,
+  adapter: IBazelCommandAdapter | undefined,
+) {
+  if (adapter === undefined) {
+    // If the command adapter was unspecified, it means this command is being
+    // invoked via the command palatte. Provide quickpick build targets for
+    // the user to choose from.
+    const quickPick = await vscode.window.showQuickPick(
+      queryQuickPickPackage({}),
+      {
+        canPickMany: false,
+      },
+    );
+    // If the result was undefined, the user cancelled the quick pick, so don't
+    // try again.
+    if (quickPick) {
+      await buildPackage(suffix, quickPick);
+    }
+    return;
+  }
+  const commandOptions = adapter.getBazelCommandOptions();
+  const allCommandOptions = {
+    options: commandOptions.options,
+    targets: commandOptions.targets.map((s) => s + suffix),
+    workspaceInfo: commandOptions.workspaceInfo,
+  };
+  const task = createBazelTask("build", allCommandOptions);
+  // eslint-disable-next-line @typescript-eslint/no-floating-promises
+  vscode.tasks.executeTask(task);
+}
+
+/**
+ * Runs a Bazel target and streams output to the terminal.
+ *
+ * @param adapter An object that implements {@link IBazelCommandAdapter} from
+ * which the command's arguments will be determined.
+ */
+async function bazelRunTarget(adapter: IBazelCommandAdapter | undefined) {
+  if (adapter === undefined) {
+    // If the command adapter was unspecified, it means this command is being
+    // invoked via the command palatte. Provide quickpick test targets for
+    // the user to choose from.
+    const quickPick = await vscode.window.showQuickPick(
+      queryQuickPickTargets({ query: "kind('.* rule', ...)" }),
+      {
+        canPickMany: false,
+      },
+    );
+    // If the result was undefined, the user cancelled the quick pick, so don't
+    // try again.
+    if (quickPick) {
+      await bazelRunTarget(quickPick);
+    }
+    return;
+  }
+  const commandOptions = adapter.getBazelCommandOptions();
+  const task = createBazelTask("run", commandOptions);
+  // eslint-disable-next-line @typescript-eslint/no-floating-promises
+  vscode.tasks.executeTask(task);
+}
+
+/**
+ * Tests a Bazel target and streams output to the terminal.
+ *
+ * @param adapter An object that implements {@link IBazelCommandAdapter} from
+ * which the command's arguments will be determined.
+ */
+async function bazelTestTarget(adapter: IBazelCommandAdapter | undefined) {
+  if (adapter === undefined) {
+    // If the command adapter was unspecified, it means this command is being
+    // invoked via the command palatte. Provide quickpick test targets for
+    // the user to choose from.
+    const quickPick = await vscode.window.showQuickPick(
+      queryQuickPickTargets({ query: "kind('.*_test rule', ...)" }),
+      {
+        canPickMany: false,
+      },
+    );
+    // If the result was undefined, the user cancelled the quick pick, so don't
+    // try again.
+    if (quickPick) {
+      await bazelTestTarget(quickPick);
+    }
+    return;
+  }
+  const commandOptions = adapter.getBazelCommandOptions();
+  const task = createBazelTask("test", commandOptions);
+  // eslint-disable-next-line @typescript-eslint/no-floating-promises
+  vscode.tasks.executeTask(task);
+}
+
+/**
+ * Tests a Bazel package and streams output to the terminal.
+ *
+ * @param adapter An object that implements {@link IBazelCommandAdapter} from
+ * which the command's arguments will be determined.
+ */
+async function bazelTestAll(adapter: IBazelCommandAdapter | undefined) {
+  await testPackage(":all", adapter);
+}
+
+/**
+ * Tests a Bazel package recursively and streams output to the terminal.
+ *
+ * @param adapter An object that implements {@link IBazelCommandAdapter} from
+ * which the command's arguments will be determined.
+ */
+async function bazelTestAllRecursive(
+  adapter: IBazelCommandAdapter | undefined,
+) {
+  await testPackage("/...", adapter);
+}
+
+async function testPackage(
+  suffix: string,
+  adapter: IBazelCommandAdapter | undefined,
+) {
+  if (adapter === undefined) {
+    // If the command adapter was unspecified, it means this command is being
+    // invoked via the command palatte. Provide quickpick build targets for
+    // the user to choose from.
+    const quickPick = await vscode.window.showQuickPick(
+      queryQuickPickPackage({}),
+      {
+        canPickMany: false,
+      },
+    );
+    // If the result was undefined, the user cancelled the quick pick, so don't
+    // try again.
+    if (quickPick) {
+      await testPackage(suffix, quickPick);
+    }
+    return;
+  }
+  const commandOptions = adapter.getBazelCommandOptions();
+  const allCommandOptions = {
+    options: commandOptions.options,
+    targets: commandOptions.targets.map((s) => s + suffix),
+    workspaceInfo: commandOptions.workspaceInfo,
+  };
+  const task = createBazelTask("test", allCommandOptions);
+  // eslint-disable-next-line @typescript-eslint/no-floating-promises
+  vscode.tasks.executeTask(task);
+}
+
+/**
+ * Cleans a Bazel workspace.
+ *
+ * If there is only a single workspace open, it will be cleaned immediately. If
+ * there are multiple workspace folders open, a quick-pick window will be opened
+ * asking the user to choose one.
+ */
+async function bazelClean() {
+  const workspaceInfo = await BazelWorkspaceInfo.fromWorkspaceFolders();
+  if (!workspaceInfo) {
+    // eslint-disable-next-line @typescript-eslint/no-floating-promises
+    vscode.window.showInformationMessage(
+      "Please open a Bazel workspace folder to use this command.",
+    );
+
+    return;
+  }
+  const task = createBazelTask("clean", {
+    options: [],
+    targets: [],
+    workspaceInfo,
+  });
+  // eslint-disable-next-line @typescript-eslint/no-floating-promises
+  vscode.tasks.executeTask(task);
+}
+
+/**
+ * Activate all user-facing commands which simply wrap Bazel commands
+ * such as `build`, `clean`, etc.
+ */
+export function activateWrapperCommands(): vscode.Disposable[] {
+  return [
+    vscode.commands.registerCommand("bazel.buildTarget", bazelBuildTarget),
+    vscode.commands.registerCommand(
+      "bazel.buildTargetWithDebugging",
+      bazelBuildTargetWithDebugging,
+    ),
+    vscode.commands.registerCommand("bazel.buildAll", bazelbuildAll),
+    vscode.commands.registerCommand(
+      "bazel.buildAllRecursive",
+      bazelbuildAllRecursive,
+    ),
+    vscode.commands.registerCommand("bazel.runTarget", bazelRunTarget),
+    vscode.commands.registerCommand("bazel.testTarget", bazelTestTarget),
+    vscode.commands.registerCommand("bazel.testAll", bazelTestAll),
+    vscode.commands.registerCommand(
+      "bazel.testAllRecursive",
+      bazelTestAllRecursive,
+    ),
+    vscode.commands.registerCommand("bazel.clean", bazelClean),
+  ];
+}