chore(copyright): add sync-header-years script and tests

eslint.config.mjs

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2025 Ping Identity Corporation. All rights reserved.
+ * Copyright (c) 2025 - 2026 Ping Identity Corporation. All rights reserved.
  *
  * This software may be modified and distributed under the terms
  * of the MIT license. See the LICENSE file for details.
@@ -33,6 +33,41 @@ export default [
       '**/test-output',
     ],
   },
+  {
+    files: ['**/*.ts', '**/*.tsx', '**/*.js', '**/*.jsx', '**/*.mjs', '**/*.cjs'],
+    ignores: ['**/vite.config.*', '**/vitest.config.*', '**/vitest.setup.*', '**/eslint.config.*'],
+    plugins: {
+      'local-rules': {
+        rules: {
+          'ping-copyright': {
+            meta: {
+              type: 'suggestion',
+              messages: { missing: 'Missing Ping Identity copyright header.' },
+            },
+            create(context) {
+              return {
+                Program(node) {
+                  const src = context.getSourceCode();
+                  const comments = src.getAllComments();
+                  const first = comments[0];
+                  if (
+                    !first ||
+                    first.range[0] > 0 ||
+                    !/Copyright[\s\S]*Ping Identity/i.test(first.value)
+                  ) {
+                    context.report({ node, messageId: 'missing' });
+                  }
+                },
+              };
+            },
+          },
+        },
+      },
+    },
+    rules: {
+      'local-rules/ping-copyright': 'warn',
+    },
+  },
   ...compat.extends('plugin:@typescript-eslint/recommended', 'plugin:prettier/recommended'),
   {
     plugins: {

lefthook.yml

@@ -2,6 +2,9 @@ pre-commit:
   commands:
     nx-sync:
       run: pnpm nx sync
+    copyright-sync:
+      run: node tools/copyright/sync-header-years.mjs --fix
+      stage_fixed: true
     nx-check:
       run: pnpm nx affected -t typecheck lint build api-report --tui=false
       stage_fixed: true

package.json

@@ -22,6 +22,8 @@
     "circular-dep-check": "madge --circular .",
     "clean": "shx rm -rf ./{coverage,dist,docs,node_modules,tmp}/ ./{packages,e2e}/*/{dist,node_modules}/ ./e2e/node_modules/ && git clean -fX -e \"!.env*,nx-cloud.env\" -e \"!**/GEMINI.md\"",
     "commit": "git cz",
+    "copyright:check": "node tools/copyright/sync-header-years.mjs --check",
+    "copyright:sync": "node tools/copyright/sync-header-years.mjs --fix",
     "commitlint": "commitlint --edit",
     "create-package": "nx g @nx/js:library",
     "format": "pnpm nx format:write",

tools/copyright/sync-header-years.mjs

@@ -0,0 +1,172 @@
+#!/usr/bin/env node
+
+import { execFileSync } from 'node:child_process';
+import { readFileSync, statSync, writeFileSync } from 'node:fs';
+import { resolve } from 'node:path';
+import { pathToFileURL } from 'node:url';
+
+function isCliExecution() {
+  return process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href;
+}
+
+function run() {
+  const args = new Set(process.argv.slice(2));
+  const checkOnly = args.has('--check');
+  const currentYear = new Date().getFullYear();
+
+  const stagedFileData = [];
+  const invalidFiles = [];
+  const missingHeaderFiles = [];
+  const changedFiles = [];
+
+  for (const file of getStagedFiles()) {
+    if (isExcluded(file)) {
+      continue;
+    }
+
+    let original;
+    try {
+      if (!statSync(resolve(process.cwd(), file)).isFile()) {
+        continue;
+      }
+      original = readFileSync(resolve(process.cwd(), file), 'utf8');
+    } catch {
+      continue;
+    }
+
+    const absolutePath = resolve(process.cwd(), file);
+    const { present, invalid } = inspectPingCopyrightHeader(original);
+
+    if (invalid) {
+      invalidFiles.push(file);
+    }
+    if (SOURCE_FILE_PATTERN.test(file) && !present) {
+      missingHeaderFiles.push(file);
+    }
+
+    const updated = updateCopyrightYears(original, currentYear);
+    if (updated !== original) {
+      changedFiles.push(file);
+    }
+    stagedFileData.push({ file, absolutePath, updated });
+  }
+
+  if (invalidFiles.length > 0) {
+    console.error('Invalid Ping copyright header year format in staged files:');
+    for (const file of invalidFiles) {
+      console.error(`- ${file}`);
+    }
+    process.exit(1);
+  }
+
+  if (checkOnly) {
+    if (missingHeaderFiles.length > 0) {
+      console.error('Missing Ping copyright header in staged files:');
+      for (const file of missingHeaderFiles) {
+        console.error(`- ${file}`);
+      }
+      process.exit(1);
+    }
+    if (changedFiles.length > 0) {
+      console.error('Stale Ping copyright years found in staged files:');
+      for (const file of changedFiles) {
+        console.error(`- ${file}`);
+      }
+      process.exit(1);
+    }
+    return;
+  }
+
+  for (const { file, absolutePath, updated } of stagedFileData) {
+    if (changedFiles.includes(file)) {
+      writeFileSync(absolutePath, updated, 'utf8');
+    }
+  }
+
+  if (changedFiles.length > 0) {
+    execFileSync('git', ['add', '--', ...changedFiles], { stdio: 'inherit' });
+  }
+}
+
+function getStagedFiles() {
+  const output = execFileSync('git', ['diff', '--cached', '--name-only', '--diff-filter=ACMR'], {
+    encoding: 'utf8',
+  }).trim();
+
+  if (!output) {
+    return [];
+  }
+  return output.split('\n').filter(Boolean);
+}
+
+export function isExcluded(filePath) {
+  return EXCLUDE_PATTERNS.some((pattern) => pattern.test(filePath));
+}
+
+const EXCLUDE_PATTERNS = [
+  /(^|[/\\])dist[/\\]/,
+  /(^|[/\\])vendor[/\\]/,
+  /(^|[/\\])node_modules[/\\]/,
+  /(^|[/\\])tools[/\\]/,
+  /(^|[/\\])_polyfills[/\\]/,
+  /(^|[/\\])vite[^/\\]*\.config\.[cm]?[jt]sx?$/i,
+  /(^|[/\\])vitest\.setup\.[cm]?[jt]sx?$/i,
+  /(^|[/\\])playwright\.config\.[cm]?[jt]sx?$/i,
+];
+
+export function updateCopyrightYears(content, year) {
+  const regex =
+    /(^.*(?:©\s*|©\s*)?Copyright(?:\s*\(c\))?\s+)(\d{4})(?:([ \t]*-[ \t]*)(\d{4}))?(\s+Ping Identity(?: Corporation)?\b.*$)/gim;
+
+  return content.replace(regex, (_, prefix, startYear, separator, endYear, suffix) => {
+    const start = Number.parseInt(startYear, 10);
+    const end = endYear ? Number.parseInt(endYear, 10) : start;
+
+    if (Number.isNaN(start) || Number.isNaN(end)) {
+      return `${prefix}${startYear}${endYear ? `${separator}${endYear}` : ''}${suffix}`;
+    }
+
+    const resolvedEnd = end >= year ? end : year;
+
+    if (!endYear) {
+      // Single year already current — no range needed
+      if (resolvedEnd === start) {
+        return `${prefix}${startYear}${suffix}`;
+      }
+      return `${prefix}${startYear} - ${resolvedEnd}${suffix}`;
+    }
+
+    // Always normalize separator to ' - ' and bump end year when stale
+    return `${prefix}${startYear} - ${resolvedEnd}${suffix}`;
+  });
+}
+
+export function inspectPingCopyrightHeader(content) {
+  const lines = content.split(/\r?\n/);
+  let present = false;
+  let invalid = false;
+
+  for (const line of lines) {
+    if (!MAYBE_PING_COPYRIGHT_LINE_REGEX.test(line) || !HEADER_COMMENT_LINE_REGEX.test(line)) {
+      continue;
+    }
+    present = true;
+    if (!VALID_PING_COPYRIGHT_LINE_REGEX.test(line)) {
+      invalid = true;
+    }
+  }
+
+  return { present, invalid };
+}
+
+const SOURCE_FILE_PATTERN = /\.[cm]?[jt]sx?$/i;
+
+const MAYBE_PING_COPYRIGHT_LINE_REGEX =
+  /(?:©\s*|©\s*)?Copyright(?:\s*\(c\))?.*Ping Identity(?: Corporation)?/i;
+const HEADER_COMMENT_LINE_REGEX = /^\s*(?:\/\*+|\*+|\/\/+|#+|<!--)\s*/;
+const VALID_PING_COPYRIGHT_LINE_REGEX =
+  /^.*(?:©\s*|&copy;\s*)?Copyright(?:\s*\(c\))?\s+\d{4}(?:[ \t]*-[ \t]*\d{4})?\s+Ping Identity(?: Corporation)?\b.*$/i;
+
+if (isCliExecution()) {
+  run();
+}