fix(linter): add missing self-circular check for tslint (#5613)

* fix(linter): add missing self-circular check for tslint

* feat(linter): add test for tslint self-circular deps

packages/eslint-plugin-nx/src/rules/enforce-module-boundaries.ts

@@ -64,6 +64,7 @@ export default createESLintRule<Options, MessageIds>({
         type: 'object',
         properties: {
           enforceBuildableLibDependency: { type: 'boolean' },
+          allowCircularSelfDependency: { type: 'boolean' },
           allow: [{ type: 'string' }],
           depConstraints: [
             {

packages/workspace/src/tslint/nxEnforceModuleBoundariesRule.spec.ts

@@ -1,5 +1,5 @@
 import { vol } from 'memfs';
-import { extname, join } from 'path';
+import { extname } from 'path';
 import { RuleFailure } from 'tslint';
 import * as ts from 'typescript';
 import {
@@ -9,7 +9,6 @@ import {
 } from '../core/project-graph';
 import { Rule } from './nxEnforceModuleBoundariesRule';
 import { TargetProjectLocator } from '../core/target-project-locator';
-import { readFileSync } from 'fs';
 
 jest.mock('fs', () => require('memfs').fs);
 jest.mock('../utilities/app-root', () => ({ appRootPath: '/root' }));
@@ -726,6 +725,121 @@ describe('Enforce Module Boundaries', () => {
     );
   });
 
+  it('should error when absolute path within project detected', () => {
+    const failures = runRule(
+      {},
+      `${process.cwd()}/proj/libs/mylib/src/main.ts`,
+      'import "@mycompany/mylib"',
+      {
+        nodes: {
+          mylibName: {
+            name: 'mylibName',
+            type: ProjectType.lib,
+            data: {
+              root: 'libs/mylib',
+              tags: [],
+              implicitDependencies: [],
+              targets: {},
+              files: [createFile(`libs/mylib/src/main.ts`)],
+            },
+          },
+          anotherlibName: {
+            name: 'anotherlibName',
+            type: ProjectType.lib,
+            data: {
+              root: 'libs/anotherlib',
+              tags: [],
+              implicitDependencies: [],
+              targets: {},
+              files: [createFile(`libs/anotherlib/src/main.ts`)],
+            },
+          },
+          myappName: {
+            name: 'myappName',
+            type: ProjectType.app,
+            data: {
+              root: 'apps/myapp',
+              tags: [],
+              implicitDependencies: [],
+              targets: {},
+              files: [createFile(`apps/myapp/src/index.ts`)],
+            },
+          },
+        },
+        dependencies: {
+          mylibName: [
+            {
+              source: 'mylibName',
+              target: 'anotherlibName',
+              type: DependencyType.static,
+            },
+          ],
+        },
+      }
+    );
+    const message =
+      'Only relative imports are allowed within the project. Absolute import found: @mycompany/mylib';
+    expect(failures.length).toEqual(1);
+    expect(failures[0].getFailure()).toEqual(message);
+  });
+
+  it('should ignore detected absolute path within project if allowCircularSelfDependency flag is set', () => {
+    const failures = runRule(
+      {
+        allowCircularSelfDependency: true,
+      },
+      `${process.cwd()}/proj/libs/mylib/src/main.ts`,
+      'import "@mycompany/mylib"',
+      {
+        nodes: {
+          mylibName: {
+            name: 'mylibName',
+            type: ProjectType.lib,
+            data: {
+              root: 'libs/mylib',
+              tags: [],
+              implicitDependencies: [],
+              targets: {},
+              files: [createFile(`libs/mylib/src/main.ts`)],
+            },
+          },
+          anotherlibName: {
+            name: 'anotherlibName',
+            type: ProjectType.lib,
+            data: {
+              root: 'libs/anotherlib',
+              tags: [],
+              implicitDependencies: [],
+              targets: {},
+              files: [createFile(`libs/anotherlib/src/main.ts`)],
+            },
+          },
+          myappName: {
+            name: 'myappName',
+            type: ProjectType.app,
+            data: {
+              root: 'apps/myapp',
+              tags: [],
+              implicitDependencies: [],
+              targets: {},
+              files: [createFile(`apps/myapp/src/index.ts`)],
+            },
+          },
+        },
+        dependencies: {
+          mylibName: [
+            {
+              source: 'mylibName',
+              target: 'anotherlibName',
+              type: DependencyType.static,
+            },
+          ],
+        },
+      }
+    );
+    expect(failures.length).toEqual(0);
+  });
+
   it('should error when circular dependency detected', () => {
     const failures = runRule(
       {},

packages/workspace/src/tslint/nxEnforceModuleBoundariesRule.ts

@@ -1,12 +1,7 @@
 import * as Lint from 'tslint';
 import { IOptions } from 'tslint';
 import * as ts from 'typescript';
-import {
+import { isNpmProject, ProjectGraph, ProjectType } from '../core/project-graph';
-  createProjectGraph,
-  isNpmProject,
-  ProjectGraph,
-  ProjectType,
-} from '../core/project-graph';
 import { appRootPath } from '../utilities/app-root';
 import {
   DepConstraint,
@@ -26,6 +21,7 @@ import { readNxJson } from '@nrwl/workspace/src/core/file-utils';
 import { TargetProjectLocator } from '../core/target-project-locator';
 import { checkCircularPath } from '@nrwl/workspace/src/utils/graph-utils';
 import { readCurrentProjectGraph } from '@nrwl/workspace/src/core/project-graph/project-graph';
+import { isRelativePath } from '../utilities/fileutils';
 
 export class Rule extends Lint.Rules.AbstractRule {
   constructor(
@@ -75,6 +71,7 @@ class EnforceModuleBoundariesWalker extends Lint.RuleWalker {
   private readonly allow: string[];
   private readonly enforceBuildableLibDependency: boolean = false; // for backwards compat
   private readonly depConstraints: DepConstraint[];
+  private readonly allowCircularSelfDependency: boolean = false;
 
   constructor(
     sourceFile: ts.SourceFile,
@@ -96,6 +93,9 @@ class EnforceModuleBoundariesWalker extends Lint.RuleWalker {
 
     this.enforceBuildableLibDependency =
       this.getOptions()[0].enforceBuildableLibDependency === true;
+
+    this.allowCircularSelfDependency =
+      this.getOptions()[0].allowCircularSelfDependency === true;
   }
 
   public visitImportDeclaration(node: ts.ImportDeclaration) {
@@ -152,7 +152,12 @@ class EnforceModuleBoundariesWalker extends Lint.RuleWalker {
 
     // same project => allow
     if (sourceProject === targetProject) {
+      if (!this.allowCircularSelfDependency && !isRelativePath(imp)) {
+        const error = `Only relative imports are allowed within the project. Absolute import found: ${imp}`;
+        this.addFailureAt(node.getStart(), node.getWidth(), error);
+      } else {
         super.visitImportDeclaration(node);
+      }
       return;
     }