fix: yarn v4 support for monorepos (#171)

Author: AlCalzone

CHANGELOG.md

@@ -3,6 +3,9 @@
     Placeholder for the next version (at the beginning of the line):
     ## **WORK IN PROGRESS**
 -->
+## **WORK IN PROGRESS**
+* `package` plugin: Support monorepos managed with Yarn v4
+
 ## 3.7.2 (2024-06-24)
 * `iobroker` plugin: Fixed issue in changelog cleanup routine introduced in `3.7.1`
 

packages/plugin-package/src/index.test.ts

@@ -170,6 +170,11 @@ describe("Package plugin", () => {
 				".yarnrc.yml": fixtures.yarnrc_commented_out,
 			});
 
+			context.sys.mockExec((cmd) => {
+				if (cmd === "yarn --version") return "3.4.5";
+				return "";
+			});
+
 			await assertReleaseError(() => pkgPlugin.executeStage(context, DefaultStages.check), {
 				fatal: true,
 				messageMatches: /plugin import version/i,
@@ -240,11 +245,10 @@ describe("Package plugin", () => {
 			context.setData("version_new", newVersion);
 			context.setData("monorepo", "yarn");
 
-			context.sys.mockExec((cmd) =>
-				cmd.includes("changed list")
-					? "" // no changes!
-					: "",
-			);
+			context.sys.mockExec((cmd) => {
+				if (cmd === "yarn --version") return "3.4.5";
+				return "";
+			});
 
 			await assertReleaseError(() => pkgPlugin.executeStage(context, DefaultStages.check), {
 				fatal: true,
@@ -405,6 +409,7 @@ describe("Package plugin", () => {
 					"yarn",
 					"changed",
 					"foreach",
+					"--all",
 					`--git-range=v${pack.version}`,
 					"version",
 					newVersion,

packages/plugin-package/src/index.ts

@@ -46,6 +46,15 @@ async function getUpdatePackages(
 	return updatePackages;
 }
 
+async function getYarnVersion(context: Context): Promise<string> {
+	const { stdout: output } = await context.sys.exec("yarn", ["--version"], { cwd: context.cwd });
+	const version = output.trim();
+	if (!semver.valid(version)) {
+		context.cli.fatal(`Invalid yarn version "${version}"`);
+	}
+	return version;
+}
+
 class PackagePlugin implements Plugin {
 	public readonly id = "package";
 	public readonly stages = [DefaultStages.check, DefaultStages.edit, DefaultStages.commit];
@@ -100,6 +109,8 @@ class PackagePlugin implements Plugin {
 				// we need some yarn plugins to be able to handle this
 				const yarnRcPath = path.join(context.cwd, ".yarnrc.yml");
 				if (await fs.pathExists(yarnRcPath)) {
+					const yarnVersion = await getYarnVersion(context);
+
 					const yarnRc = await fs.readFile(yarnRcPath, "utf8");
 					const yarnPlugins = yarnRc
 						.split("\n")
@@ -114,11 +125,16 @@ class PackagePlugin implements Plugin {
 						);
 					// A list of required plugins and how to import them
 					const requiredPlugins: Record<string, string> = {
-						"workspace-tools": "workspace-tools",
-						version: "version",
 						changed:
 							"https://github.com/Dcard/yarn-plugins/releases/latest/download/plugin-changed.js",
 					};
+					if (semver.lt(yarnVersion, "4.0.0")) {
+						// Yarn v4 includes these plugins by default
+						Object.assign(requiredPlugins, {
+							"workspace-tools": "workspace-tools",
+							version: "version",
+						});
+					}
 					const missingPlugins = Object.keys(requiredPlugins).filter(
 						(plugin) => !yarnPlugins.includes(plugin),
 					);
@@ -137,6 +153,7 @@ Alternatively, you can use ${context.cli.colors.blue("lerna")} to manage the mon
 
 					// All good, remember that we use yarn to manage the monorepo
 					context.setData("monorepo", "yarn");
+					context.setData("yarn_version", yarnVersion);
 
 					// One last check: make sure there is anything to publish
 					// We cannot use getEffectivePublishAllFlag here without introducing a circular dependency
@@ -280,11 +297,20 @@ Alternatively, you can use ${context.cli.colors.blue("lerna")} to manage the mon
 			await deleteStableVersions();
 			const commands = [
 				publishAll
-					? ["yarn", "workspaces", "foreach", "version", newVersion, "--deferred"]
+					? [
+							"yarn",
+							"workspaces",
+							"foreach",
+							"--all",
+							"version",
+							newVersion,
+							"--deferred",
+					  ]
 					: [
 							"yarn",
 							"changed",
 							"foreach",
+							"--all",
 							`--git-range=v${pack.version}`,
 							"version",
 							newVersion,