Rename to kebab-case for root action inputs and outputs

.changeset/yellow-roses-fix.md

@@ -0,0 +1,5 @@
+---
+"@changesets/action": major
+---
+
+Rename the input and output names to kebab-case instead of camelCase to match the official GitHub actions pattern

action.yml

@@ -21,15 +21,15 @@ inputs:
   title:
     description: The pull request title. Default to `Version Packages`
     required: false
-  setupGitUser:
+  setup-git-user:
     description: Sets up the git user for commits as `"github-actions[bot]"`. Default to `true`
     required: false
     default: true
-  createGithubReleases:
+  create-github-releases:
     description: "A boolean value to indicate whether to create Github releases after `publish` or not"
     required: false
     default: true
-  commitMode:
+  commit-mode:
     description: >
       An enum to specify the commit mode. Use "git-cli" to push changes using the Git CLI,
       or "github-api" to push changes via the GitHub API. When using "github-api",
@@ -40,18 +40,18 @@ inputs:
   branch:
     description: Sets the branch in which the action will run. Default to `github.ref_name` if not provided
     required: false
-  prDraft:
+  pr-draft:
     description: 'Controls draft PR behavior. Use "create" to create new version PRs as draft, or "always" to also convert existing version PRs back to draft when updating them.'
     required: false
 outputs:
   published:
     description: A boolean value to indicate whether a publishing is happened or not
-  publishedPackages:
+  published-packages:
     description: >
       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:
+  has-changesets:
     description: A boolean about whether there were changesets. Useful if you want to create your own publishing functionality.
-  pullRequestNumber:
+  pull-request-number:
     description: The pull request number that was created or updated
 branding:
   icon: "package"

src/index.ts

@@ -3,9 +3,21 @@ import * as core from "@actions/core";
 import { GitHub } from "./github.ts";
 import readChangesetState from "./readChangesetState.ts";
 import { runPublish, runVersion } from "./run.ts";
-import { fileExists, getOptionalInput, getRequiredInput } from "./utils.ts";
+import {
+  fileExists,
+  getOptionalInput,
+  getRequiredInput,
+  throwOnRenamedInputs,
+} from "./utils.ts";
 
 (async () => {
+  throwOnRenamedInputs({
+    commitMode: "commit-mode",
+    createGithubReleases: "create-github-releases",
+    prDraft: "pr-draft",
+    setupGitUser: "setup-git-user",
+  });
+
   const githubToken = getRequiredInput("github-token");
   if (process.env.GITHUB_TOKEN && process.env.GITHUB_TOKEN !== githubToken) {
     throw new Error(
@@ -18,14 +30,14 @@ import { fileExists, getOptionalInput, getRequiredInput } from "./utils.ts";
   // If the user needs to change the cwd, set `working-directory` in the step instead
   const cwd = process.cwd();
 
-  const commitMode = getOptionalInput("commitMode") ?? "git-cli";
-  const prDraft = getOptionalInput("prDraft");
+  const commitMode = getOptionalInput("commit-mode") ?? "git-cli";
+  const prDraft = getOptionalInput("pr-draft");
   if (commitMode !== "git-cli" && commitMode !== "github-api") {
     core.setFailed(`Invalid commit mode: ${commitMode}`);
     return;
   }
   if (prDraft !== undefined && prDraft !== "always" && prDraft !== "create") {
-    core.setFailed(`Invalid prDraft: ${prDraft}`);
+    core.setFailed(`Invalid pr-draft: ${prDraft}`);
     return;
   }
   const github = new GitHub({
@@ -34,7 +46,7 @@ import { fileExists, getOptionalInput, getRequiredInput } from "./utils.ts";
     commitMode,
   });
 
-  let setupGitUser = core.getBooleanInput("setupGitUser");
+  let setupGitUser = core.getBooleanInput("setup-git-user");
 
   if (setupGitUser) {
     core.info("setting git user");
@@ -51,8 +63,8 @@ import { fileExists, getOptionalInput, getRequiredInput } from "./utils.ts";
   let hasPublishScript = !!publishScript;
 
   core.setOutput("published", "false");
-  core.setOutput("publishedPackages", "[]");
-  core.setOutput("hasChangesets", String(hasChangesets));
+  core.setOutput("published-packages", "[]");
+  core.setOutput("has-changesets", String(hasChangesets));
 
   switch (true) {
     case !hasChangesets && !hasPublishScript:
@@ -113,14 +125,14 @@ import { fileExists, getOptionalInput, getRequiredInput } from "./utils.ts";
       const result = await runPublish({
         script: publishScript,
         github,
-        createGithubReleases: core.getBooleanInput("createGithubReleases"),
+        createGithubReleases: core.getBooleanInput("create-github-releases"),
         cwd,
       });
 
       if (result.published) {
         core.setOutput("published", "true");
         core.setOutput(
-          "publishedPackages",
+          "published-packages",
           JSON.stringify(result.publishedPackages),
         );
       }
@@ -154,7 +166,7 @@ import { fileExists, getOptionalInput, getRequiredInput } from "./utils.ts";
         branch: getOptionalInput("branch"),
       });
 
-      core.setOutput("pullRequestNumber", String(pullRequestNumber));
+      core.setOutput("pull-request-number", String(pullRequestNumber));
 
       return;
     }

src/utils.ts

@@ -135,6 +135,16 @@ export function getRequiredInput(name: string) {
   return core.getInput(name, { required: true });
 }
 
+export function throwOnRenamedInputs(renames: Record<string, string>) {
+  for (const [oldInput, newInput] of Object.entries(renames)) {
+    if (core.getInput(oldInput)) {
+      throw new Error(
+        `The input "${oldInput}" has been renamed to "${newInput}". Please update your workflow file.`,
+      );
+    }
+  }
+}
+
 function resolveChangesetsCli(cwd: string) {
   return require.resolve("@changesets/cli/bin.js", {
     paths: [cwd],