Added pullRequestNumber to the action's outputs (#167)

* feat: set pullRequesstNumber as action output

* chore: add changeset

* fix: feedback from pr review

* Update .changeset/long-mayflies-yell.md

Co-authored-by: Mateusz Burzyński <mateuszburzynski@gmail.com>

Co-authored-by: Mateusz Burzyński <mateuszburzynski@gmail.com>

.changeset/long-mayflies-yell.md

@@ -0,0 +1,5 @@
+---
+"@changesets/action": minor
+---
+
+Added `pullRequestNumber` to the action's outputs

action.yml

@@ -36,6 +36,8 @@ outputs:
       A JSON array to present the published packages. The format is `[{"name": "@xx/xx", "version": "1.2.0"}, {"name": "@xx/xy", "version": "0.8.9"}]`
   hasChangesets:
     description: A boolean about whether there were changesets. Useful if you want to create your own publishing functionality.
+  pullRequestNumber:
+    description: The pull request number that was created or updated
 branding:
   icon: "package"
   color: "blue"

src/index.ts

@@ -97,13 +97,16 @@ const getOptionalInput = (name: string) => core.getInput(name) || undefined;
       return;
     }
     case hasChangesets:
-      await runVersion({
+      const { pullRequestNumber } = await runVersion({
         script: getOptionalInput("version"),
         githubToken,
         prTitle: getOptionalInput("title"),
         commitMessage: getOptionalInput("commit"),
         hasPublishScript,
       });
+
+      core.setOutput("pullRequestNumber", String(pullRequestNumber));
+
       return;
   }
 })().catch((err) => {

src/run.test.ts

@@ -57,6 +57,10 @@ describe("version", () => {
       () => ({ data: { items: [] } })
     );
 
+    mockedGithubMethods.pulls.create.mockImplementationOnce(
+      () => ({ data: { number: 123 } })
+    );
+
     await writeChangesets(
       [
         {
@@ -92,6 +96,10 @@ describe("version", () => {
       () => ({ data: { items: [] } })
     );
 
+    mockedGithubMethods.pulls.create.mockImplementationOnce(
+      () => ({ data: { number: 123 } })
+    );
+
     await writeChangesets(
       [
         {
@@ -123,6 +131,10 @@ describe("version", () => {
       () => ({ data: { items: [] } })
     );
 
+    mockedGithubMethods.pulls.create.mockImplementationOnce(
+      () => ({ data: { number: 123 } })
+    );
+
     await writeChangesets(
       [
         {

src/run.ts

@@ -177,14 +177,18 @@ type VersionOptions = {
   hasPublishScript?: boolean;
 };
 
+type RunVersionResult = {
+  pullRequestNumber: number;
+};
+
 export async function runVersion({
   script,
   githubToken,
   cwd = process.cwd(),
   prTitle = "Version Packages",
   commitMessage = "Version Packages",
   hasPublishScript = false,
-}: VersionOptions) {
+}: VersionOptions): Promise<RunVersionResult> {
   let repo = `${github.context.repo.owner}/${github.context.repo.repo}`;
   let branch = github.context.ref.replace("refs/heads/", "");
   let versionBranch = `changeset-release/${branch}`;
@@ -280,20 +284,30 @@ ${
   console.log(JSON.stringify(searchResult.data, null, 2));
   if (searchResult.data.items.length === 0) {
     console.log("creating pull request");
-    await octokit.pulls.create({
+    const {
+      data: { number },
+    } = await octokit.pulls.create({
       base: branch,
       head: versionBranch,
       title: finalPrTitle,
       body: await prBodyPromise,
       ...github.context.repo,
     });
+
+    return {
+      pullRequestNumber: number,
+    };
   } else {
-    octokit.pulls.update({
+    await octokit.pulls.update({
       pull_number: searchResult.data.items[0].number,
       title: finalPrTitle,
       body: await prBodyPromise,
       ...github.context.repo,
     });
     console.log("pull request found");
+
+    return {
+      pullRequestNumber: searchResult.data.items[0].number,
+    };
   }
 }