Add breaking/dangerous/safe messages to action output

action.yml

@@ -12,6 +12,10 @@ inputs:
       For example, "Check Public API" and "Check Internal API".
   annotations:
     description: Use annotation (enabled by default)
+  create-action-check:
+    description: |
+      Create Github Action check with summary. When disabled, annotations are disabled too. (enabled by default)
+      It can be useful to disable, when running on master branch or similar. And when subsequent step is using output and annotations nor check is required.
   fail-on-breaking:
     description: Fail on breaking changes (enabled by default)
   approve-label:
@@ -56,6 +60,12 @@ inputs:
 outputs:
   changes:
     description: Total number of changes
+  breaking-changes:
+    description: List of breaking changes. Each item is message string.
+  dangerous-changes:
+    description: List of dangerous changes. Each item is message string.
+  safe-changes:
+    description: List of safe changes. Each item is message string.
 runs:
   using: node20
   main: action/index.js

action/package.json

@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}

package.json

@@ -78,7 +78,7 @@
     "@types/express": "4.17.21",
     "@types/node": "20.12.12",
     "@types/yargs": "17.0.32",
-    "@zeit/ncc": "0.22.3",
+    "@vercel/ncc": "0.38.1",
     "bob-the-bundler": "7.0.1",
     "eslint": "8.57.0",
     "graphql": "16.8.1",

packages/action/helpers/types.ts

@@ -8,6 +8,12 @@ export interface ActionResult {
   changes?: Change[];
 }
 
+export interface GroupedChanges {
+  breaking: Change[];
+  dangerous: Change[];
+  safe: Change[];
+}
+
 export interface Annotation {
   path: string;
   start_line: number;

packages/action/helpers/utils.ts

@@ -1,5 +1,6 @@
 import { Change, CriticalityLevel } from '@graphql-inspector/core';
 import { Endpoint } from './config.js';
+import { GroupedChanges } from './types.js';
 
 export function bolderize(msg: string): string {
   return quotesTransformer(msg, '**');
@@ -28,17 +29,23 @@ export function filterChangesByLevel(level: CriticalityLevel) {
   return (change: Change) => change.criticality.level === level;
 }
 
+export function splitChangesIntoGroups(changes: Change[]): GroupedChanges {
+  return {
+    breaking: changes.filter(filterChangesByLevel(CriticalityLevel.Breaking)),
+    dangerous: changes.filter(filterChangesByLevel(CriticalityLevel.Dangerous)),
+    safe: changes.filter(filterChangesByLevel(CriticalityLevel.NonBreaking)),
+  };
+}
+
 export function createSummary(changes: Change[], summaryLimit: number, isLegacyConfig = false) {
-  const breakingChanges = changes.filter(filterChangesByLevel(CriticalityLevel.Breaking));
-  const dangerousChanges = changes.filter(filterChangesByLevel(CriticalityLevel.Dangerous));
-  const safeChanges = changes.filter(filterChangesByLevel(CriticalityLevel.NonBreaking));
+  const groupedChanges = splitChangesIntoGroups(changes);
 
   const summary: string[] = [
     `# Found ${changes.length} change${changes.length > 1 ? 's' : ''}`,
     '',
-    `Breaking: ${breakingChanges.length}`,
-    `Dangerous: ${dangerousChanges.length}`,
-    `Safe: ${safeChanges.length}`,
+    `Breaking: ${groupedChanges.breaking.length}`,
+    `Dangerous: ${groupedChanges.dangerous.length}`,
+    `Safe: ${groupedChanges.safe.length}`,
   ];
 
   if (isLegacyConfig) {
@@ -74,16 +81,16 @@ export function createSummary(changes: Change[], summaryLimit: number, isLegacyC
     summaryLimit -= changes.length;
   }
 
-  if (breakingChanges.length) {
-    addChangesToSummary('Breaking', breakingChanges);
+  if (groupedChanges.breaking.length) {
+    addChangesToSummary('Breaking', groupedChanges.breaking);
   }
 
-  if (dangerousChanges.length) {
-    addChangesToSummary('Dangerous', dangerousChanges);
+  if (groupedChanges.dangerous.length) {
+    addChangesToSummary('Dangerous', groupedChanges.dangerous);
   }
 
-  if (safeChanges.length) {
-    addChangesToSummary('Safe', safeChanges);
+  if (groupedChanges.safe.length) {
+    addChangesToSummary('Safe', groupedChanges.safe);
   }
 
   summary.push(

packages/action/src/run.ts

@@ -7,7 +7,7 @@ import { diff } from '../helpers/diff.js';
 import { printSchemaFromEndpoint } from '../helpers/loaders.js';
 import { produceSchema } from '../helpers/schema.js';
 import { CheckConclusion } from '../helpers/types.js';
-import { createSummary } from '../helpers/utils.js';
+import { createSummary, splitChangesIntoGroups } from '../helpers/utils.js';
 import { updateCheckRun } from './checks.js';
 import { fileLoader } from './files.js';
 import { getAssociatedPullRequest, getCurrentCommitSha } from './git.js';
@@ -41,6 +41,7 @@ export async function run() {
   const approveLabel: string = core.getInput('approve-label') || 'approved-breaking-change';
   const rulesList = getInputAsArray('rules') || [];
   const onUsage = core.getInput('onUsage');
+  const createActionCheck = castToBoolean(core.getInput('create-action-check'), true);
 
   const octokit = github.getOctokit(token);
 
@@ -50,19 +51,26 @@ export async function run() {
   // pull request
   const pullRequest = await getAssociatedPullRequest(octokit, commitSha);
 
-  core.info(`Creating a check named "${checkName}"`);
-
-  const check = await octokit.checks.create({
-    owner,
-    repo,
-    name: checkName,
-    head_sha: commitSha,
-    status: 'in_progress',
-  });
+  let checkId = null;
+  let seeCheckURL = '';
+  if (createActionCheck) {
+    core.info(`Creating a check named "${checkName}"`);
+
+    const check = await octokit.checks.create({
+      owner,
+      repo,
+      name: checkName,
+      head_sha: commitSha,
+      status: 'in_progress',
+    });
 
-  const checkId = check.data.id;
+    checkId = check.data.id;
+    seeCheckURL = ' For more info see: ' + check.data.html_url;
 
-  core.info(`Check ID: ${checkId}`);
+    core.info(`Check ID: ${checkId}`);
+  } else {
+    core.info('Skipping check creation - disabled by input option');
+  }
 
   const schemaPointer = core.getInput('schema', { required: true });
 
@@ -188,8 +196,20 @@ export async function run() {
   let annotations = action.annotations || [];
   const changes = action.changes || [];
 
+  const groupedChanges = splitChangesIntoGroups(changes);
   core.setOutput('changes', String(changes.length || 0));
-  core.info(`Changes: ${changes.length || 0}`);
+  core.setOutput(
+    'breaking-changes',
+    groupedChanges.breaking.map(c => c.message),
+  );
+  core.setOutput(
+    'dangerous-changes',
+    groupedChanges.dangerous.map(c => c.message),
+  );
+  core.setOutput(
+    'safe-changes',
+    groupedChanges.safe.map(c => c.message),
+  );
 
   const hasApprovedBreakingChangeLabel = pullRequest?.labels?.some(
     (label: any) => label.name === approveLabel,
@@ -204,20 +224,26 @@ export async function run() {
     conclusion = CheckConclusion.Success;
   }
 
-  if (useAnnotations === false || isNewSchemaUrl) {
-    core.info(`Anotations are disabled. Skipping annotations...`);
-    annotations = [];
-  }
-
-  const summary = createSummary(changes, 100, false);
-
   const title =
     conclusion === CheckConclusion.Failure
-      ? 'Something is wrong with your schema'
+      ? 'Something is wrong with your schema.' + seeCheckURL // add Check URL to navigate users to Check from action.
       : 'Everything looks good';
-
   core.info(`Conclusion: ${conclusion}`);
 
+  // Action Check is disabled
+  if (checkId === null) {
+    core.info('Github Action Check is disabled, use outputs to determine errors');
+    if (conclusion === CheckConclusion.Failure) {
+      core.setFailed(conclusion);
+    }
+    return;
+  }
+
+  if (useAnnotations === false || isNewSchemaUrl) {
+    core.info(`Anotations are disabled. Skipping annotations...`);
+    annotations = [];
+  }
+  const summary = createSummary(changes, 100, false);
   try {
     return await updateCheckRun(octokit, checkId, {
       conclusion,

website/src/pages/docs/products/action.mdx

@@ -76,6 +76,19 @@ Use annotation (`true` by default).
     annotations: false
 ```
 
+### `create-action-check`
+
+Create Github Action check with summary. When disabled, annotations are disabled too. (`true` by default)
+
+It can be useful to disable, when running on master branch or similar. And when subsequent step is using output and annotations nor check is required.
+
+```yaml
+- uses: kamilkisiela/graphql-inspector@master
+  with:
+    schema: 'master:schema.graphql'
+    create-action-check: false
+```
+
 ### `fail-on-breaking`
 
 Fail on breaking changes (`true` by default).
@@ -161,6 +174,20 @@ to see how to use outputs.
 
 Total number of changes
 
+### `breaking-changes`
+
+List of breaking changes. Each item is message string.
+
+Example: ```["Type `Abc` was removed", "Field `Xyz` was removed from object type `Abc`"]```
+
+### `dangerous-changes`
+
+List of dangerous changes. Each item is message string, see `breaking-changes` for example.
+
+### `safe-changes`
+
+List of safe changes. Each item is message string, see `breaking-changes` for example.
+
 ![Summary](/assets/img/github/summary.jpg)
 
 ![Annotations](/assets/img/cli/github.jpg)