feat(linter): add support for full regexes in tag matching (#14982)

packages/eslint-plugin-nx/src/utils/runtime-lint-utils.spec.ts

@@ -7,6 +7,7 @@ import {
 } from '@nrwl/devkit';
 import {
   DepConstraint,
+  findConstraintsFor,
   findTransitiveExternalDependencies,
   hasBannedDependencies,
   hasBannedImport,
@@ -19,6 +20,68 @@ jest.mock('nx/src/utils/workspace-root', () => ({
   workspaceRoot: '/root',
 }));
 
+describe('findConstraintsFor', () => {
+  it('should find constraints matching tag', () => {
+    const constriants: DepConstraint[] = [
+      { sourceTag: 'a', onlyDependOnLibsWithTags: ['b'] },
+      { sourceTag: 'b', onlyDependOnLibsWithTags: ['c'] },
+      { sourceTag: 'c', onlyDependOnLibsWithTags: ['a'] },
+    ];
+
+    expect(
+      findConstraintsFor(constriants, {
+        type: 'lib',
+        name: 'someLib',
+        data: { root: '.', files: [], tags: ['b'] },
+      })
+    ).toEqual([{ sourceTag: 'b', onlyDependOnLibsWithTags: ['c'] }]);
+  });
+
+  it('should find constraints matching *', () => {
+    const constriants: DepConstraint[] = [
+      { sourceTag: 'a', onlyDependOnLibsWithTags: ['b'] },
+      { sourceTag: 'b', onlyDependOnLibsWithTags: ['c'] },
+      { sourceTag: '*', onlyDependOnLibsWithTags: ['a'] },
+    ];
+
+    expect(
+      findConstraintsFor(constriants, {
+        type: 'lib',
+        name: 'someLib',
+        data: { root: '.', files: [], tags: ['b'] },
+      })
+    ).toEqual([
+      { sourceTag: 'b', onlyDependOnLibsWithTags: ['c'] },
+      { sourceTag: '*', onlyDependOnLibsWithTags: ['a'] },
+    ]);
+  });
+
+  it('should find constraints matching regex', () => {
+    const constriants: DepConstraint[] = [
+      { sourceTag: 'a', onlyDependOnLibsWithTags: ['a'] },
+      { sourceTag: '/^b$/', onlyDependOnLibsWithTags: ['c'] },
+      { sourceTag: '/a|b/', onlyDependOnLibsWithTags: ['c'] },
+    ];
+    expect(
+      findConstraintsFor(constriants, {
+        type: 'lib',
+        name: 'someLib',
+        data: { root: '.', files: [], tags: ['b'] },
+      })
+    ).toEqual([
+      { sourceTag: '/^b$/', onlyDependOnLibsWithTags: ['c'] },
+      { sourceTag: '/a|b/', onlyDependOnLibsWithTags: ['c'] },
+    ]);
+    expect(
+      findConstraintsFor(constriants, {
+        type: 'lib',
+        name: 'someLib',
+        data: { root: '.', files: [], tags: ['baz'] },
+      })
+    ).toEqual([{ sourceTag: '/a|b/', onlyDependOnLibsWithTags: ['c'] }]);
+  });
+});
+
 describe('hasBannedImport', () => {
   const source: ProjectGraphProjectNode = {
     type: 'lib',

packages/eslint-plugin-nx/src/utils/runtime-lint-utils.ts

@@ -86,8 +86,23 @@ export function findDependenciesWithTags(
   );
 }
 
-function hasTag(proj: ProjectGraphProjectNode, tag: string) {
+const regexMap = new Map<string, RegExp>();
-  return tag === '*' || (proj.data.tags || []).indexOf(tag) > -1;
+function hasTag(proj: ProjectGraphProjectNode, tag: string): boolean {
+  if (tag === '*') return true;
+
+  // if the tag is a regex, check if the project matches the regex
+  if (tag.startsWith('/') && tag.endsWith('/')) {
+    let regex;
+    if (regexMap.has(tag)) {
+      regex = regexMap.get(tag);
+    } else {
+      regex = new RegExp(tag.substring(1, tag.length - 1));
+      regexMap.set(tag, regex);
+    }
+    return (proj.data.tags || []).some((t) => regex.test(t));
+  }
+
+  return (proj.data.tags || []).indexOf(tag) > -1;
 }
 
 export function matchImportWithWildcard(