Call version lifecycle scripts during publish

src/commands/PublishCommand.js

@@ -536,12 +536,26 @@ export default class PublishCommand extends Command {
       this.updatePackageDepsObject(pkg, "devDependencies", exact);
       this.updatePackageDepsObject(pkg, "peerDependencies", exact);
 
+      // exec preversion script
+      pkg.runScript("preversion", (err) => {
+        if (err) {
+          this.logger.error("publish", "error running preversion", pkg.name, err);
+        }
+      });
+
       // write new package
       writePkg.sync(packageJsonLocation, pkg.toJSON());
       // NOTE: Object.prototype.toJSON() is normally called when passed to
       // JSON.stringify(), but write-pkg iterates Object.keys() before serializing
       // so it has to be explicit here (otherwise it mangles the instance properties)
 
+      // exec version script
+      pkg.runScript("version", (err) => {
+        if (err) {
+          this.logger.error("publish", "error running version", pkg.name, err);
+        }
+      });
+
       // we can now generate the Changelog, based on the
       // the updated version that we're about to release.
       if (this.options.conventionalCommits) {
@@ -595,7 +609,7 @@ export default class PublishCommand extends Command {
   }
 
   gitCommitAndTagVersionForUpdates() {
-    const tags = this.updates.map(({ package: { name } }) =>
+    const tags = this.updates.map(({ "package": { name } }) =>
       `${name}@${this.updatesVersions[name]}`
     );
     const subject = this.options.message || "Publish";
@@ -604,6 +618,15 @@ export default class PublishCommand extends Command {
     GitUtilities.commit(message, this.execOpts);
     tags.forEach((tag) => GitUtilities.addTag(tag, this.execOpts));
 
+    // run the postversion script for each update
+    this.updates.forEach(({ "package": pkg }) => {
+      pkg.runScript("postversion", (err) => {
+        if (err) {
+          this.logger.error("publish", "error running postversion", pkg.name, err);
+        }
+      });
+    });
+
     return tags;
   }
 
@@ -614,6 +637,15 @@ export default class PublishCommand extends Command {
     GitUtilities.commit(message, this.execOpts);
     GitUtilities.addTag(tag, this.execOpts);
 
+    // run the postversion script for each update
+    this.updates.forEach(({ "package": pkg }) => {
+      pkg.runScript("postversion", (err) => {
+        if (err) {
+          this.logger.error("publish", "error running postversion", pkg.name, err);
+        }
+      });
+    });
+
     return tag;
   }
 

test/PublishCommand.js

@@ -995,4 +995,48 @@ describe("PublishCommand", () => {
       });
     });
   });
+
+  /** =========================================================================
+   * VERSION LIFECYCLE SCRIPTS
+   * ======================================================================= */
+
+  describe("lifecycle scripts", () => {
+    let testDir;
+
+    const scripts = ["preversion", "version", "postversion"];
+
+    beforeEach(async () => {
+      testDir = await initFixture("PublishCommand/lifecycle");
+    });
+
+    it("should call version lifecycle scripts for a package", async () => {
+      await run(testDir)();
+      scripts.forEach(script => {
+        expect(NpmUtilities.runScriptInDir).toHaveBeenCalledWith(
+          script,
+          [],
+          path.resolve(testDir, "packages", "package-1"),
+          expect.any(Function)
+        );
+      });
+    });
+
+    it("should not call version lifecycle scripts for a package missing them", async () => {
+      await run(testDir)();
+      scripts.forEach(script => {
+        expect(NpmUtilities.runScriptInDir).not.toHaveBeenCalledWith(
+          script,
+          [],
+          path.resolve(testDir, "packages", "package-2"),
+          expect.any(Function)
+        );
+      });
+    });
+
+    it("should call version lifecycle scripts in the correct order", async () => {
+      await run(testDir)();
+      expect(NpmUtilities.runScriptInDir.mock.calls.map(args => args[0])).toEqual(scripts);
+    });
+  });
 });
+

test/fixtures/PublishCommand/lifecycle/lerna.json

@@ -0,0 +1,4 @@
+{
+  "lerna": "__TEST_VERSION__",
+  "version": "1.0.0"
+}

test/fixtures/PublishCommand/lifecycle/package.json

@@ -0,0 +1,3 @@
+{
+  "name": "lifecycle"
+}

test/fixtures/PublishCommand/lifecycle/packages/package-1/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "package-1",
+  "version": "1.0.0",
+  "scripts": {
+    "preversion": "exit 0",
+    "version": "exit 0",
+    "postversion": "exit 0",
+    "prepublishOnly": "exit 0",
+    "prepublish": "exit 0",
+    "publish": "exit 0",
+    "postpublish": "exit 0"
+  }
+}

test/fixtures/PublishCommand/lifecycle/packages/package-2/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "package-2",
+  "version": "1.0.0",
+  "dependencies": {
+    "package-1": "^1.0.0"
+  }
+}