feat(core): extend the default hasher to support different filesets

docs/generated/packages/cypress.json

@@ -230,7 +230,6 @@
         "required": ["cypressConfig"],
         "presets": []
       },
-      "hasher": "./src/executors/cypress/hasher",
       "description": "Run Cypress E2E tests.",
       "aliases": [],
       "hidden": false,

docs/generated/packages/jest.json

@@ -316,7 +316,6 @@
         "required": ["jestConfig"],
         "presets": []
       },
-      "hasher": "./src/executors/jest/hasher",
       "description": "Run Jest unit tests.",
       "aliases": [],
       "hidden": false,

e2e/nx-run/src/cache.test.ts

@@ -7,6 +7,7 @@ import {
   runCLI,
   uniq,
   updateFile,
+  updateJson,
   updateProjectConfig,
 } from '@nrwl/e2e/utils';
 
@@ -163,43 +164,69 @@ describe('cache', () => {
     updateFile('nx.json', (c) => originalNxJson);
   }, 120000);
 
-  it('should only cache specific files if build outputs is configured with specific files', async () => {
+  it('should use consider filesets when hashing', async () => {
-    const mylib1 = uniq('mylib1');
+    const parent = uniq('parent');
-    runCLI(`generate @nrwl/react:lib ${mylib1} --buildable`);
+    const child1 = uniq('child1');
-
+    const child2 = uniq('child2');
-    // Update outputs in workspace.json to just be a particular file
+    runCLI(`generate @nrwl/js:lib ${parent}`);
-    updateProjectConfig(mylib1, (config) => {
+    runCLI(`generate @nrwl/js:lib ${child1}`);
-      config.targets['build-base'] = {
+    runCLI(`generate @nrwl/js:lib ${child2}`);
-        ...config.targets.build,
+    updateJson(`nx.json`, (c) => {
-      };
+      c.filesets = { prod: ['!**/*.spec.ts'] };
-      config.targets.build = {
+      c.targetDefaults = {
-        executor: '@nrwl/workspace:run-commands',
+        test: {
-        outputs: [`dist/libs/${mylib1}/index.js`],
+          dependsOnFilesets: ['default', '^prod'],
-        options: {
-          commands: [
-            {
-              command: `npx nx run ${mylib1}:build-base`,
-            },
-          ],
-          parallel: false,
         },
       };
-      return config;
+      return c;
     });
 
-    // run build with caching
+    updateJson(`libs/${parent}/project.json`, (c) => {
-    // --------------------------------------------
+      c.implicitDependencies = [child1, child2];
-    const outputThatPutsDataIntoCache = runCLI(`run ${mylib1}:build`);
+      return c;
-    // now the data is in cache
+    });
-    expect(outputThatPutsDataIntoCache).not.toContain('cache');
 
-    rmDist();
+    updateJson(`libs/${child1}/project.json`, (c) => {
+      c.filesets = { prod: ['**/*.ts'] };
+      return c;
+    });
 
-    const outputWithBuildTasksCached = runCLI(`run ${mylib1}:build`);
+    const firstRun = runCLI(`test ${parent}`);
-    expect(outputWithBuildTasksCached).toContain('cache');
+    expect(firstRun).not.toContain('read the output from the cache');
-    expectCached(outputWithBuildTasksCached, [mylib1]);
+
-    // Ensure that only the specific file in outputs was copied to cache
+    // -----------------------------------------
-    expect(listFiles(`dist/libs/${mylib1}`)).toEqual([`index.js`]);
+    // change child2 spec
+    updateFile(`libs/${child2}/src/lib/${child2}.spec.ts`, (c) => {
+      return c + '\n// some change';
+    });
+    const child2RunSpecChange = runCLI(`test ${child2}`);
+    expect(child2RunSpecChange).not.toContain('read the output from the cache');
+
+    const parentRunSpecChange = runCLI(`test ${parent}`);
+    expect(parentRunSpecChange).toContain('read the output from the cache');
+
+    // -----------------------------------------
+    // change child2 prod
+    updateFile(`libs/${child2}/src/lib/${child2}.ts`, (c) => {
+      return c + '\n// some change';
+    });
+    const child2RunProdChange = runCLI(`test ${child2}`);
+    expect(child2RunProdChange).not.toContain('read the output from the cache');
+
+    const parentRunProdChange = runCLI(`test ${parent}`);
+    expect(parentRunProdChange).not.toContain('read the output from the cache');
+
+    // -----------------------------------------
+    // change child1 spec
+    updateFile(`libs/${child1}/src/lib/${child1}.spec.ts`, (c) => {
+      return c + '\n// some change';
+    });
+
+    // this is a miss cause child1 redefined "prod" to include all files
+    const parentRunSpecChangeChild1 = runCLI(`test ${parent}`);
+    expect(parentRunSpecChangeChild1).not.toContain(
+      'read the output from the cache'
+    );
   }, 120000);
 
   function expectCached(

packages/cypress/executors.json

@@ -10,7 +10,6 @@
     "cypress": {
       "implementation": "./src/executors/cypress/cypress.impl",
       "schema": "./src/executors/cypress/schema.json",
-      "hasher": "./src/executors/cypress/hasher",
       "description": "Run Cypress E2E tests."
     }
   }

packages/cypress/src/executors/cypress/hasher.ts

@@ -1,28 +0,0 @@
-import {
-  Hash,
-  Hasher,
-  NxJsonConfiguration,
-  ProjectGraph,
-  Task,
-  TaskGraph,
-  ProjectsConfigurations,
-} from '@nrwl/devkit';
-
-export default async function run(
-  task: Task,
-  context: {
-    hasher: Hasher;
-    projectGraph: ProjectGraph;
-    taskGraph: TaskGraph;
-    workspaceConfig: ProjectsConfigurations & NxJsonConfiguration;
-  }
-): Promise<Hash> {
-  const cypressPluginConfig = context.workspaceConfig.pluginsConfig
-    ? (context.workspaceConfig.pluginsConfig['@nrwl/cypress'] as any)
-    : undefined;
-  const filter =
-    cypressPluginConfig && cypressPluginConfig.hashingExcludesTestsOfDeps
-      ? 'exclude-tests-of-deps'
-      : 'all-files';
-  return context.hasher.hashTaskWithDepsAndContext(task, filter);
-}

packages/jest/executors.json

@@ -11,7 +11,6 @@
       "implementation": "./src/executors/jest/jest.impl",
       "batchImplementation": "./src/executors/jest/jest.impl#batchJest",
       "schema": "./src/executors/jest/schema.json",
-      "hasher": "./src/executors/jest/hasher",
       "description": "Run Jest unit tests."
     }
   }

packages/jest/src/executors/jest/hasher.ts

@@ -1,15 +0,0 @@
-import { Task, Hash, HasherContext } from '@nrwl/devkit';
-
-export default async function run(
-  task: Task,
-  context: HasherContext
-): Promise<Hash> {
-  const jestPluginConfig = context.workspaceConfig.pluginsConfig
-    ? (context.workspaceConfig.pluginsConfig['@nrwl/jest'] as any)
-    : undefined;
-  const filter =
-    jestPluginConfig && jestPluginConfig.hashingExcludesTestsOfDeps
-      ? 'exclude-tests-of-deps'
-      : 'all-files';
-  return context.hasher.hashTaskWithDepsAndContext(task, filter);
-}

packages/linter/src/executors/eslint/hasher.ts

@@ -20,7 +20,7 @@ export default async function run(
     return context.hasher.hashTaskWithDepsAndContext(task);
   }
 
-  const command = context.hasher.hashCommand(task);
+  const command = await context.hasher.hashCommand(task);
   const source = await context.hasher.hashSource(task);
   const deps = allDeps(task.id, context.taskGraph, context.projectGraph);
   const tags = context.hasher.hashArray(

packages/nx/schemas/nx-schema.json

@@ -111,6 +111,11 @@
       },
       "additionalProperties": false
     },
+    "filesets": {
+      "type": "object",
+      "description": "Default filesets",
+      "additionalProperties": true
+    },
     "targetDependencyConfig": {
       "type": "array",
       "items": {
@@ -140,6 +145,31 @@
       "type": "object",
       "description": "Target defaults",
       "properties": {
+        "dependsOnFilesets": {
+          "type": "array",
+          "items": {
+            "oneOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "object",
+                "properties": {
+                  "projects": {
+                    "type": "string",
+                    "description": "The projects that the targets belong to.",
+                    "enum": ["self", "dependencies"]
+                  },
+                  "fileset": {
+                    "type": "string",
+                    "description": "The name of the target."
+                  }
+                },
+                "additionalProperties": false
+              }
+            ]
+          }
+        },
         "dependsOn": {
           "type": "array",
           "items": {

packages/nx/schemas/project-schema.json

@@ -4,6 +4,11 @@
   "title": "JSON schema for Nx projects",
   "type": "object",
   "properties": {
+    "filesets": {
+      "type": "object",
+      "description": "Filesets used by Nx to hash relevant files to a given target",
+      "additionalProperties": true
+    },
     "targets": {
       "type": "object",
       "description": "Configures all the targets which define what tasks you can run against the project",
@@ -30,6 +35,31 @@
               "type": "object"
             }
           },
+          "dependsOnFilesets": {
+            "type": "array",
+            "items": {
+              "oneOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "object",
+                  "properties": {
+                    "projects": {
+                      "type": "string",
+                      "description": "The projects that the targets belong to.",
+                      "enum": ["self", "dependencies"]
+                    },
+                    "fileset": {
+                      "type": "string",
+                      "description": "The name of the target."
+                    }
+                  },
+                  "additionalProperties": false
+                }
+              ]
+            }
+          },
           "dependsOn": {
             "type": "array",
             "items": {

packages/nx/src/config/nx-json.ts

@@ -1,5 +1,8 @@
 import { PackageManager } from '../utils/package-manager';
-import { TargetDependencyConfig } from './workspace-json-project-json';
+import {
+  FilesetDependencyConfig,
+  TargetDependencyConfig,
+} from './workspace-json-project-json';
 
 export type ImplicitDependencyEntry<T = '*' | string[]> = {
   [key: string]: T | ImplicitJsonSubsetDependency<T>;
@@ -21,6 +24,7 @@ export type TargetDefaults = Record<
   {
     outputs?: string[];
     dependsOn?: (TargetDependencyConfig | string)[];
+    dependsOnFilesets?: (FilesetDependencyConfig | string)[];
   }
 >;
 
@@ -46,6 +50,10 @@ export interface NxJsonConfiguration<T = '*' | string[]> {
    * Dependencies between different target names across all projects
    */
   targetDependencies?: TargetDependencies;
+  /**
+   * Default filesets used when no project-specific fileset is defined;
+   */
+  filesets?: { [filesetName: string]: string[] };
   /**
    * Dependencies between different target names across all projects
    */

packages/nx/src/config/project-graph.ts

@@ -81,6 +81,10 @@ export interface ProjectGraphProjectNode<T = any> {
      */
     root: string;
     sourceRoot?: string;
+    /**
+     * Filesets associated with the project
+     */
+    filesets?: { [filesetName: string]: string[] };
     /**
      * Targets associated to the project
      */

packages/nx/src/config/workspace-json-project-json.ts

@@ -109,6 +109,21 @@ export interface TargetDependencyConfig {
   target: string;
 }
 
+export interface FilesetDependencyConfig {
+  /**
+   * This the projects that the filesets belong to
+   *
+   * 'self': This target depends on a fileset of the same project
+   * 'deps': This target depends on the deps' filesets.
+   */
+  projects: 'self' | 'dependencies';
+
+  /**
+   * The name of the fileset
+   */
+  fileset: string;
+}
+
 /**
  * Target's configuration
  */
@@ -131,6 +146,11 @@ export interface TargetConfiguration<T = any> {
    */
   dependsOn?: (TargetDependencyConfig | string)[];
 
+  /**
+   * This describes filesets that a target depends on.
+   */
+  dependsOnFilesets?: (FilesetDependencyConfig | string)[];
+
   /**
    * Target's options. They are passed in to the executor.
    */

packages/nx/src/generators/utils/project-configuration.ts

@@ -131,6 +131,7 @@ export function updateWorkspaceConfiguration(
     plugins,
     pluginsConfig,
     npmScope,
+    filesets,
     targetDefaults,
     targetDependencies,
     workspaceLayout,
@@ -144,6 +145,7 @@ export function updateWorkspaceConfiguration(
     plugins,
     pluginsConfig,
     npmScope,
+    filesets,
     targetDefaults,
     targetDependencies,
     workspaceLayout,

packages/nx/src/hasher/hasher.spec.ts

@@ -3,32 +3,24 @@ import { DependencyType } from '../config/project-graph';
 
 jest.doMock('../utils/workspace-root', () => {
   return {
-    workspaceRoot: '',
+    workspaceRoot: '/root',
   };
 });
 
-import fs = require('fs');
+jest.mock('fs', () => require('memfs').fs);
-import tsUtils = require('../utils/typescript');
+require('fs').existsSync = () => true;
-import { Hasher } from './hasher';
-
-jest.mock('fs');
 jest.mock('../utils/typescript');
 
-fs.existsSync = () => true;
+import { vol } from 'memfs';
+import tsUtils = require('../utils/typescript');
+import { Hasher } from './hasher';
 
 describe('Hasher', () => {
   const nxJson = {
     npmScope: 'nrwl',
   };
 
-  const workSpaceJson = {
+  const tsConfigBaseJson = JSON.stringify({
-    projects: {
-      parent: { root: 'libs/parent' },
-      child: { root: 'libs/child' },
-    },
-  };
-
-  const tsConfigBaseJsonHash = JSON.stringify({
     compilerOptions: {
       paths: {
         '@nrwl/parent': ['libs/parent/src/index.ts'],
@@ -37,15 +29,15 @@ describe('Hasher', () => {
     },
   });
   let hashes = {
-    'yarn.lock': 'yarn.lock.hash',
+    '/root/yarn.lock': 'yarn.lock.hash',
-    'nx.json': 'nx.json.hash',
+    '/root/nx.json': 'nx.json.hash',
-    'package-lock.json': 'package-lock.json.hash',
+    '/root/package-lock.json': 'package-lock.json.hash',
-    'package.json': 'package.json.hash',
+    '/root/package.json': 'package.json.hash',
-    'pnpm-lock.yaml': 'pnpm-lock.yaml.hash',
+    '/root/pnpm-lock.yaml': 'pnpm-lock.yaml.hash',
-    'tsconfig.base.json': tsConfigBaseJsonHash,
+    '/root/tsconfig.base.json': tsConfigBaseJson,
-    'workspace.json': 'workspace.json.hash',
+    '/root/workspace.json': 'workspace.json.hash',
-    global1: 'global1.hash',
+    '/root/global1': 'global1.hash',
-    global2: 'global2.hash',
+    '/root/global2': 'global2.hash',
   };
 
   function createHashing(): any {
@@ -55,24 +47,32 @@ describe('Hasher', () => {
     };
   }
 
-  beforeAll(() => {
+  /**
-    fs.readFileSync = (file) => {
+   * const workSpaceJson = {
-      if (file === 'workspace.json') {
+   *     projects: {
-        return JSON.stringify(workSpaceJson);
+   *       parent: { root: 'libs/parent' },
-      }
+   *       child: { root: 'libs/child' },
-      if (file === 'nx.json') {
+   *     },
-        return JSON.stringify(nxJson);
+   *   };
-      }
+   */
-      if (file === 'tsconfig.base.json') {
+  beforeEach(() => {
-        return tsConfigBaseJsonHash;
+    vol.fromJSON(
-      }
+      {
-      return file;
+        'nx.json': JSON.stringify(nxJson),
-    };
+        'tsconfig.base.json': tsConfigBaseJson,
-
+        'yarn.lock': 'content',
-    tsUtils.getRootTsConfigFileName = () => 'tsconfig.base.json';
+      },
+      '/root'
+    );
+    tsUtils.getRootTsConfigFileName = () => '/root/tsconfig.base.json';
   });
 
-  it('should create project hash', async () => {
+  afterEach(() => {
+    jest.resetAllMocks();
+    vol.reset();
+  });
+
+  it('should create task hash', async () => {
     const hasher = new Hasher(
       {
         nodes: {
@@ -80,7 +80,10 @@ describe('Hasher', () => {
             name: 'parent',
             type: 'lib',
             data: {
-              root: '',
+              root: 'libs/parent',
+              targets: {
+                build: {},
+              },
               files: [{ file: '/file', ext: '.ts', hash: 'file.hash' }],
             },
           },
@@ -112,14 +115,14 @@ describe('Hasher', () => {
 
     expect(hash.details.command).toEqual('parent|build||{"prop":"prop-value"}');
     expect(hash.details.nodes).toEqual({
-      parent:
+      'parent:$fileset:default':
-        '/file|file.hash|{"root":"libs/parent"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+        '/file|file.hash|{"root":"libs/parent","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
     });
-    expect(hash.details.implicitDeps).toEqual({
+    expect(hash.details.implicitDeps).toMatchObject({
-      'nx.json': '{"npmScope":"nrwl"}',
+      '/root/yarn.lock': 'yarn.lock.hash',
-      'yarn.lock': 'yarn.lock.hash',
+      '/root/package-lock.json': 'package-lock.json.hash',
-      'package-lock.json': 'package-lock.json.hash',
+      '/root/pnpm-lock.yaml': 'pnpm-lock.yaml.hash',
-      'pnpm-lock.yaml': 'pnpm-lock.yaml.hash',
+      '/root/nx.json': 'nx.json.hash',
     });
     expect(hash.details.runtime).toEqual({
       'echo runtime123': 'runtime123',
@@ -127,7 +130,7 @@ describe('Hasher', () => {
     });
   });
 
-  it('should create project hash with tsconfig.base.json cache', async () => {
+  it('should hash task where the project has dependencies', async () => {
     const hasher = new Hasher(
       {
         nodes: {
@@ -135,8 +138,257 @@ describe('Hasher', () => {
             name: 'parent',
             type: 'lib',
             data: {
-              root: '',
+              root: 'libs/parent',
-              files: [{ file: '/file.ts', hash: 'file.hash' }],
+              targets: { build: {} },
+              files: [
+                { file: '/filea.ts', hash: 'a.hash' },
+                { file: '/filea.spec.ts', hash: 'a.spec.hash' },
+              ],
+            },
+          },
+          child: {
+            name: 'child',
+            type: 'lib',
+            data: {
+              root: 'libs/child',
+              targets: { build: {} },
+              files: [
+                { file: '/fileb.ts', hash: 'b.hash' },
+                { file: '/fileb.spec.ts', hash: 'b.spec.hash' },
+              ],
+            },
+          },
+        },
+        dependencies: {
+          parent: [{ source: 'parent', target: 'child', type: 'static' }],
+        },
+      },
+      {} as any,
+      {},
+      createHashing()
+    );
+
+    const hash = await hasher.hashTaskWithDepsAndContext({
+      target: { project: 'parent', target: 'build' },
+      id: 'parent-build',
+      overrides: { prop: 'prop-value' },
+    });
+
+    // note that the parent hash is based on parent source files only!
+    expect(hash.details.nodes).toEqual({
+      'child:$fileset:default':
+        '/fileb.ts|/fileb.spec.ts|b.hash|b.spec.hash|{"root":"libs/child","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+      'parent:$fileset:default':
+        '/filea.ts|/filea.spec.ts|a.hash|a.spec.hash|{"root":"libs/parent","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+    });
+  });
+
+  it('should hash non-default filesets', async () => {
+    const hasher = new Hasher(
+      {
+        nodes: {
+          parent: {
+            name: 'parent',
+            type: 'lib',
+            data: {
+              root: 'libs/parent',
+              filesets: {
+                prod: ['!**/*.spec.ts'],
+              },
+              targets: {
+                build: {
+                  dependsOnFilesets: ['prod', '^prod'],
+                },
+              },
+              files: [
+                { file: '/filea.ts', hash: 'a.hash' },
+                { file: '/filea.spec.ts', hash: 'a.spec.hash' },
+              ],
+            },
+          },
+          child: {
+            name: 'child',
+            type: 'lib',
+            data: {
+              root: 'libs/child',
+              filesets: {
+                prod: ['!**/*.spec.ts'],
+              },
+              targets: { build: {} },
+              files: [
+                { file: '/fileb.ts', hash: 'b.hash' },
+                { file: '/fileb.spec.ts', hash: 'b.spec.hash' },
+              ],
+            },
+          },
+        },
+        dependencies: {
+          parent: [{ source: 'parent', target: 'child', type: 'static' }],
+        },
+      },
+      {} as any,
+      {},
+      createHashing()
+    );
+
+    const hash = await hasher.hashTaskWithDepsAndContext({
+      target: { project: 'parent', target: 'build' },
+      id: 'parent-build',
+      overrides: { prop: 'prop-value' },
+    });
+
+    expect(hash.details.nodes).toEqual({
+      'child:$fileset:prod':
+        '/fileb.ts|b.hash|{"root":"libs/child","filesets":{"prod":["!**/*.spec.ts"]},"targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+      'parent:$fileset:prod':
+        '/filea.ts|a.hash|{"root":"libs/parent","filesets":{"prod":["!**/*.spec.ts"]},"targets":{"build":{"dependsOnFilesets":["prod","^prod"]}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+    });
+  });
+
+  // write another test depending on 2 self and 2 children
+
+  it('should use the default file set when cannot find the configured one', async () => {
+    const hasher = new Hasher(
+      {
+        nodes: {
+          parent: {
+            name: 'parent',
+            type: 'lib',
+            data: {
+              root: 'libs/parent',
+              filesets: {
+                prod: ['!**/*.spec.ts'],
+              },
+              targets: {
+                build: {
+                  dependsOnFilesets: ['prod', '^prod'],
+                },
+              },
+              files: [
+                { file: '/filea.ts', hash: 'a.hash' },
+                { file: '/filea.spec.ts', hash: 'a.spec.hash' },
+              ],
+            },
+          },
+          child: {
+            name: 'child',
+            type: 'lib',
+            data: {
+              root: 'libs/child',
+              targets: { build: {} },
+              files: [
+                { file: '/fileb.ts', hash: 'b.hash' },
+                { file: '/fileb.spec.ts', hash: 'b.spec.hash' },
+              ],
+            },
+          },
+        },
+        dependencies: {
+          parent: [{ source: 'parent', target: 'child', type: 'static' }],
+        },
+      },
+      {} as any,
+      {},
+      createHashing()
+    );
+
+    const hash = await hasher.hashTaskWithDepsAndContext({
+      target: { project: 'parent', target: 'build' },
+      id: 'parent-build',
+      overrides: { prop: 'prop-value' },
+    });
+
+    expect(hash.details.nodes).toEqual({
+      'child:$fileset:prod':
+        '/fileb.ts|/fileb.spec.ts|b.hash|b.spec.hash|{"root":"libs/child","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+      'parent:$fileset:prod':
+        '/filea.ts|a.hash|{"root":"libs/parent","filesets":{"prod":["!**/*.spec.ts"]},"targets":{"build":{"dependsOnFilesets":["prod","^prod"]}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+    });
+  });
+
+  it('should use defaultFilesets and targetDefaults from nx.json', async () => {
+    vol.fromJSON(
+      {
+        'nx.json': JSON.stringify({
+          filesets: {
+            prod: ['!**/*.spec.ts'],
+          },
+          targetDefaults: {
+            build: {
+              dependsOnFilesets: ['prod', '^prod'],
+            },
+          },
+        }),
+        'tsconfig.base.json': tsConfigBaseJson,
+        'yarn.lock': 'content',
+      },
+      '/root'
+    );
+
+    const hasher = new Hasher(
+      {
+        nodes: {
+          parent: {
+            name: 'parent',
+            type: 'lib',
+            data: {
+              root: 'libs/parent',
+              targets: {
+                build: {},
+              },
+              files: [
+                { file: '/filea.ts', hash: 'a.hash' },
+                { file: '/filea.spec.ts', hash: 'a.spec.hash' },
+              ],
+            },
+          },
+          child: {
+            name: 'child',
+            type: 'lib',
+            data: {
+              root: 'libs/child',
+              targets: { build: {} },
+              files: [
+                { file: '/fileb.ts', hash: 'b.hash' },
+                { file: '/fileb.spec.ts', hash: 'b.spec.hash' },
+              ],
+            },
+          },
+        },
+        dependencies: {
+          parent: [{ source: 'parent', target: 'child', type: 'static' }],
+        },
+      },
+      {} as any,
+      {},
+      createHashing()
+    );
+
+    const hash = await hasher.hashTaskWithDepsAndContext({
+      target: { project: 'parent', target: 'build' },
+      id: 'parent-build',
+      overrides: { prop: 'prop-value' },
+    });
+
+    expect(hash.details.nodes).toEqual({
+      'child:$fileset:prod':
+        '/fileb.ts|b.hash|{"root":"libs/child","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+      'parent:$fileset:prod':
+        '/filea.ts|a.hash|{"root":"libs/parent","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+    });
+  });
+
+  it('should be able to include only a part of the base tsconfig', async () => {
+    const hasher = new Hasher(
+      {
+        nodes: {
+          parent: {
+            name: 'parent',
+            type: 'lib',
+            data: {
+              root: 'libs/parent',
+              targets: { build: {} },
+              files: [{ file: '/file', hash: 'file.hash' }],
             },
           },
         },
@@ -168,14 +420,14 @@ describe('Hasher', () => {
 
     expect(hash.details.command).toEqual('parent|build||{"prop":"prop-value"}');
     expect(hash.details.nodes).toEqual({
-      parent:
+      'parent:$fileset:default':
-        '/file.ts|file.hash|{"root":"libs/parent"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"]}}}',
+        '/file|file.hash|{"root":"libs/parent","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"]}}}',
     });
-    expect(hash.details.implicitDeps).toEqual({
+    expect(hash.details.implicitDeps).toMatchObject({
-      'nx.json': '{"npmScope":"nrwl"}',
+      '/root/nx.json': 'nx.json.hash',
-      'yarn.lock': 'yarn.lock.hash',
+      '/root/yarn.lock': 'yarn.lock.hash',
-      'package-lock.json': 'package-lock.json.hash',
+      '/root/package-lock.json': 'package-lock.json.hash',
-      'pnpm-lock.yaml': 'pnpm-lock.yaml.hash',
+      '/root/pnpm-lock.yaml': 'pnpm-lock.yaml.hash',
     });
     expect(hash.details.runtime).toEqual({
       'echo runtime123': 'runtime123',
@@ -183,6 +435,78 @@ describe('Hasher', () => {
     });
   });
 
+  it('should hash tasks where the project graph has circular dependencies', async () => {
+    const hasher = new Hasher(
+      {
+        nodes: {
+          parent: {
+            name: 'parent',
+            type: 'lib',
+            data: {
+              root: 'libs/parent',
+              targets: { build: {} },
+              files: [{ file: '/filea.ts', hash: 'a.hash' }],
+            },
+          },
+          child: {
+            name: 'child',
+            type: 'lib',
+            data: {
+              root: 'libs/child',
+              targets: { build: {} },
+              files: [{ file: '/fileb.ts', hash: 'b.hash' }],
+            },
+          },
+        },
+        dependencies: {
+          parent: [{ source: 'parent', target: 'child', type: 'static' }],
+          child: [{ source: 'child', target: 'parent', type: 'static' }],
+        },
+      },
+      {} as any,
+      {},
+      createHashing()
+    );
+
+    const tasksHash = await hasher.hashTaskWithDepsAndContext({
+      target: { project: 'parent', target: 'build' },
+      id: 'parent-build',
+      overrides: { prop: 'prop-value' },
+    });
+
+    expect(tasksHash.value).toContain('yarn.lock.hash'); //implicits
+    expect(tasksHash.value).toContain('a.hash'); //project files
+    expect(tasksHash.value).toContain('b.hash'); //project files
+    expect(tasksHash.value).toContain('prop-value'); //overrides
+    expect(tasksHash.value).toContain('parent|build'); //project and target
+    expect(tasksHash.value).toContain('build'); //target
+    expect(tasksHash.details.nodes).toEqual({
+      'child:$fileset:default':
+        '/fileb.ts|b.hash|{"root":"libs/child","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+      'parent:$fileset:default':
+        '/filea.ts|a.hash|{"root":"libs/parent","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+    });
+
+    const hashb = await hasher.hashTaskWithDepsAndContext({
+      target: { project: 'child', target: 'build' },
+      id: 'child-build',
+      overrides: { prop: 'prop-value' },
+    });
+
+    expect(hashb.value).toContain('yarn.lock.hash'); //implicits
+    expect(hashb.value).toContain('a.hash'); //project files
+    expect(hashb.value).toContain('b.hash'); //project files
+    expect(hashb.value).toContain('prop-value'); //overrides
+    expect(hashb.value).toContain('child|build'); //project and target
+    expect(hashb.value).toContain('build'); //target
+    expect(hashb.details.nodes).toEqual({
+      'child:$fileset:default':
+        '/fileb.ts|b.hash|{"root":"libs/child","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+      'parent:$fileset:default':
+        '/filea.ts|a.hash|{"root":"libs/parent","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+    });
+  });
+
   it('should throw an error when failed to execute runtimeCacheInputs', async () => {
     const hasher = new Hasher(
       {
@@ -191,8 +515,9 @@ describe('Hasher', () => {
             name: 'parent',
             type: 'lib',
             data: {
-              root: '',
+              root: 'libs/parent',
-              files: [{ file: '/file.ts', hash: 'some-hash' }],
+              targets: { build: {} },
+              files: [{ file: '/file', hash: 'some-hash' }],
             },
           },
         },
@@ -225,283 +550,6 @@ describe('Hasher', () => {
     }
   });
 
-  it('should hash projects with dependencies', async () => {
-    const hasher = new Hasher(
-      {
-        nodes: {
-          parent: {
-            name: 'parent',
-            type: 'lib',
-            data: {
-              root: '',
-              files: [
-                { file: '/filea.ts', hash: 'a.hash' },
-                { file: '/filea.spec.ts', hash: 'a.spec.hash' },
-              ],
-            },
-          },
-          child: {
-            name: 'child',
-            type: 'lib',
-            data: {
-              root: '',
-              files: [
-                { file: '/fileb.ts', hash: 'b.hash' },
-                { file: '/fileb.spec.ts', hash: 'b.spec.hash' },
-              ],
-            },
-          },
-        },
-        dependencies: {
-          parent: [{ source: 'parent', target: 'child', type: 'static' }],
-        },
-      },
-      {} as any,
-      {},
-      createHashing()
-    );
-
-    const hash = await hasher.hashTaskWithDepsAndContext({
-      target: { project: 'parent', target: 'build' },
-      id: 'parent-build',
-      overrides: { prop: 'prop-value' },
-    });
-
-    // note that the parent hash is based on parent source files only!
-    expect(hash.details.nodes).toEqual({
-      child:
-        '/fileb.ts|/fileb.spec.ts|b.hash|b.spec.hash|{"root":"libs/child"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-      parent:
-        '/filea.ts|/filea.spec.ts|a.hash|a.spec.hash|{"root":"libs/parent"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-    });
-  });
-
-  it('should hash projects with dependencies (exclude spec files of dependencies)', async () => {
-    const hasher = new Hasher(
-      {
-        nodes: {
-          parent: {
-            name: 'parent',
-            type: 'lib',
-            data: {
-              root: '',
-              files: [
-                { file: '/filea.ts', hash: 'a.hash' },
-                { file: '/filea.spec.ts', hash: 'a.spec.hash' },
-              ],
-            },
-          },
-          child: {
-            name: 'child',
-            type: 'lib',
-            data: {
-              root: '',
-              files: [
-                { file: '/fileb.ts', hash: 'b.hash' },
-                { file: '/fileb.spec.ts', hash: 'b.spec.hash' },
-              ],
-            },
-          },
-        },
-        dependencies: {
-          parent: [{ source: 'parent', target: 'child', type: 'static' }],
-        },
-      },
-      {} as any,
-      {},
-      createHashing()
-    );
-
-    const hash = await hasher.hashTaskWithDepsAndContext(
-      {
-        target: { project: 'parent', target: 'build' },
-        id: 'parent-build',
-        overrides: { prop: 'prop-value' },
-      },
-      'exclude-tests-of-deps'
-    );
-
-    // note that the parent hash is based on parent source files only!
-    expect(hash.details.nodes).toEqual({
-      child:
-        '/fileb.ts|b.hash|{"root":"libs/child"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-      parent:
-        '/filea.ts|/filea.spec.ts|a.hash|a.spec.hash|{"root":"libs/parent"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-    });
-  });
-
-  it('should hash projects with dependencies (exclude spec files of all projects)', async () => {
-    const hasher = new Hasher(
-      {
-        nodes: {
-          parent: {
-            name: 'parent',
-            type: 'lib',
-            data: {
-              root: '',
-              files: [
-                { file: '/filea.ts', hash: 'a.hash' },
-                { file: '/filea.spec.ts', hash: 'a.spec.hash' },
-              ],
-            },
-          },
-          child: {
-            name: 'child',
-            type: 'lib',
-            data: {
-              root: '',
-              files: [
-                { file: '/fileb.ts', hash: 'b.hash' },
-                { file: '/fileb.spec.ts', hash: 'b.spec.hash' },
-              ],
-            },
-          },
-        },
-        dependencies: {
-          parent: [{ source: 'parent', target: 'child', type: 'static' }],
-        },
-      },
-      {} as any,
-      {},
-      createHashing()
-    );
-
-    const hash = await hasher.hashTaskWithDepsAndContext(
-      {
-        target: { project: 'parent', target: 'build' },
-        id: 'parent-build',
-        overrides: { prop: 'prop-value' },
-      },
-      'exclude-tests-of-all'
-    );
-
-    // note that the parent hash is based on parent source files only!
-    expect(hash.details.nodes).toEqual({
-      child:
-        '/fileb.ts|b.hash|{"root":"libs/child"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-      parent:
-        '/filea.ts|a.hash|{"root":"libs/parent"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-    });
-  });
-
-  it('should hash dependent npm project versions', async () => {
-    const hasher = new Hasher(
-      {
-        nodes: {
-          app: {
-            name: 'app',
-            type: 'app',
-            data: {
-              root: '',
-              files: [{ file: '/filea.ts', hash: 'a.hash' }],
-            },
-          },
-        },
-        externalNodes: {
-          'npm:react': {
-            name: 'npm:react',
-            type: 'npm',
-            data: {
-              version: '17.0.0',
-              packageName: 'react',
-            },
-          },
-        },
-        dependencies: {
-          'npm:react': [],
-          app: [
-            { source: 'app', target: 'npm:react', type: DependencyType.static },
-          ],
-        },
-      },
-      {} as any,
-      {},
-      createHashing()
-    );
-
-    const hash = await hasher.hashTaskWithDepsAndContext({
-      target: { project: 'app', target: 'build' },
-      id: 'app-build',
-      overrides: { prop: 'prop-value' },
-    });
-
-    // note that the parent hash is based on parent source files only!
-    expect(hash.details.nodes).toEqual({
-      app: '/filea.ts|a.hash|""|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-      'npm:react': '17.0.0',
-    });
-  });
-
-  it('should hash when circular dependencies', async () => {
-    const hasher = new Hasher(
-      {
-        nodes: {
-          parent: {
-            name: 'parent',
-            type: 'lib',
-            data: {
-              root: '',
-              files: [{ file: '/filea.ts', hash: 'a.hash' }],
-            },
-          },
-          child: {
-            name: 'child',
-            type: 'lib',
-            data: {
-              root: '',
-              files: [{ file: '/fileb.ts', hash: 'b.hash' }],
-            },
-          },
-        },
-        dependencies: {
-          parent: [{ source: 'parent', target: 'child', type: 'static' }],
-          child: [{ source: 'child', target: 'parent', type: 'static' }],
-        },
-      },
-      {} as any,
-      {},
-      createHashing()
-    );
-
-    const tasksHash = await hasher.hashTaskWithDepsAndContext({
-      target: { project: 'parent', target: 'build' },
-      id: 'parent-build',
-      overrides: { prop: 'prop-value' },
-    });
-
-    expect(tasksHash.value).toContain('yarn.lock.hash'); //implicits
-    expect(tasksHash.value).toContain('a.hash'); //project files
-    expect(tasksHash.value).toContain('b.hash'); //project files
-    expect(tasksHash.value).toContain('prop-value'); //overrides
-    expect(tasksHash.value).toContain('parent|build'); //project and target
-    expect(tasksHash.value).toContain('build'); //target
-    expect(tasksHash.details.nodes).toEqual({
-      child:
-        '/fileb.ts|b.hash|{"root":"libs/child"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-      parent:
-        '/filea.ts|a.hash|{"root":"libs/parent"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-    });
-
-    const hashb = await hasher.hashTaskWithDepsAndContext({
-      target: { project: 'child', target: 'build' },
-      id: 'child-build',
-      overrides: { prop: 'prop-value' },
-    });
-
-    expect(hashb.value).toContain('yarn.lock.hash'); //implicits
-    expect(hashb.value).toContain('a.hash'); //project files
-    expect(hashb.value).toContain('b.hash'); //project files
-    expect(hashb.value).toContain('prop-value'); //overrides
-    expect(hashb.value).toContain('child|build'); //project and target
-    expect(hashb.value).toContain('build'); //target
-    expect(hashb.details.nodes).toEqual({
-      child:
-        '/fileb.ts|b.hash|{"root":"libs/child"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-      parent:
-        '/filea.ts|a.hash|{"root":"libs/parent"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
-    });
-  });
-
   it('should hash implicit deps', async () => {
     const hasher = new Hasher(
       {
@@ -510,7 +558,8 @@ describe('Hasher', () => {
             name: 'parent',
             type: 'lib',
             data: {
-              root: '',
+              root: 'libs/parents',
+              targets: { build: {} },
               files: [],
             },
           },
@@ -545,6 +594,110 @@ describe('Hasher', () => {
     expect(tasksHash.value).toContain('global1.hash');
     expect(tasksHash.value).toContain('global2.hash');
   });
+  // ADDRESS
+  // it('should hash projects with dependencies (exclude spec files of dependencies)', async () => {
+  //   const hasher = new Hasher(
+  //     {
+  //       nodes: {
+  //         parent: {
+  //           name: 'parent',
+  //           type: 'lib',
+  //           data: {
+  //             root: '',
+  //             files: [
+  //               { file: '/filea.ts', hash: 'a.hash' },
+  //               { file: '/filea.spec.ts', hash: 'a.spec.hash' },
+  //             ],
+  //           },
+  //         },
+  //         child: {
+  //           name: 'child',
+  //           type: 'lib',
+  //           data: {
+  //             root: '',
+  //             files: [
+  //               { file: '/fileb.ts', hash: 'b.hash' },
+  //               { file: '/fileb.spec.ts', hash: 'b.spec.hash' },
+  //             ],
+  //           },
+  //         },
+  //       },
+  //       dependencies: {
+  //         parent: [{ source: 'parent', target: 'child', type: 'static' }],
+  //       },
+  //     },
+  //     {} as any,
+  //     {},
+  //     createHashing()
+  //   );
+  //
+  //   const hash = await hasher.hashTaskWithDepsAndContext(
+  //     {
+  //       target: { project: 'parent', target: 'build' },
+  //       id: 'parent-build',
+  //       overrides: { prop: 'prop-value' },
+  //     }
+  //   );
+  //
+  //   // note that the parent hash is based on parent source files only!
+  //   expect(hash.details.nodes).toEqual({
+  //     child:
+  //       '/fileb.ts|b.hash|{"root":"libs/child"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+  //     parent:
+  //       '/filea.ts|/filea.spec.ts|a.hash|a.spec.hash|{"root":"libs/parent"}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+  //   });
+
+  // });
+
+  it('should hash npm project versions', async () => {
+    const hasher = new Hasher(
+      {
+        nodes: {
+          app: {
+            name: 'app',
+            type: 'app',
+            data: {
+              root: 'apps/app',
+              targets: { build: {} },
+              files: [{ file: '/filea.ts', hash: 'a.hash' }],
+            },
+          },
+        },
+        externalNodes: {
+          'npm:react': {
+            name: 'npm:react',
+            type: 'npm',
+            data: {
+              version: '17.0.0',
+              packageName: 'react',
+            },
+          },
+        },
+        dependencies: {
+          'npm:react': [],
+          app: [
+            { source: 'app', target: 'npm:react', type: DependencyType.static },
+          ],
+        },
+      },
+      {} as any,
+      {},
+      createHashing()
+    );
+
+    const hash = await hasher.hashTaskWithDepsAndContext({
+      target: { project: 'app', target: 'build' },
+      id: 'app-build',
+      overrides: { prop: 'prop-value' },
+    });
+
+    // note that the parent hash is based on parent source files only!
+    expect(hash.details.nodes).toEqual({
+      'app:$fileset:default':
+        '/filea.ts|a.hash|{"root":"apps/app","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+      'npm:react': '17.0.0',
+    });
+  });
 
   it('should hash missing dependent npm project versions', async () => {
     const hasher = new Hasher(
@@ -554,7 +707,8 @@ describe('Hasher', () => {
             name: 'app',
             type: 'app',
             data: {
-              root: '',
+              root: 'apps/app',
+              targets: { build: {} },
               files: [{ file: '/filea.ts', hash: 'a.hash' }],
             },
           },
@@ -584,7 +738,8 @@ describe('Hasher', () => {
 
     // note that the parent hash is based on parent source files only!
     expect(hash.details.nodes).toEqual({
-      app: '/filea.ts|a.hash|""|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
+      'app:$fileset:default':
+        '/filea.ts|a.hash|{"root":"apps/app","targets":{"build":{}}}|{"compilerOptions":{"paths":{"@nrwl/parent":["libs/parent/src/index.ts"],"@nrwl/child":["libs/child/src/index.ts"]}}}',
       'npm:react': '__npm:react__',
     });
   });

packages/nx/src/hasher/hasher.ts

@@ -1,4 +1,3 @@
-import { resolveNewFormatWithInlineProjects } from '../config/workspaces';
 import { exec } from 'child_process';
 import { existsSync } from 'fs';
 import * as minimatch from 'minimatch';
@@ -6,13 +5,18 @@ import { join } from 'path';
 import { performance } from 'perf_hooks';
 import { getRootTsConfigFileName } from '../utils/typescript';
 import { workspaceRoot } from '../utils/workspace-root';
-import { workspaceFileName } from '../project-graph/file-utils';
 import { defaultHashing, HashingImpl } from './hashing-impl';
-import { ProjectGraph } from '../config/project-graph';
+import {
+  FileData,
+  ProjectGraph,
+  ProjectGraphDependency,
+  ProjectGraphProjectNode,
+} from '../config/project-graph';
 import { NxJsonConfiguration } from '../config/nx-json';
 import { Task } from '../config/task-graph';
 import { readJsonFile } from '../utils/fileutils';
-import { ProjectsConfigurations } from '../config/workspace-json-project-json';
+import { FilesetDependencyConfig } from '../config/workspace-json-project-json';
+import { readNxJson } from '../config/configuration';
 
 /**
  * A data structure returned by the default hasher.
@@ -27,8 +31,9 @@ export interface Hash {
   };
 }
 
-interface ProjectHashResult {
+interface TaskGraphResult {
   value: string;
+  command: string;
   nodes: { [name: string]: string };
 }
 
@@ -54,10 +59,10 @@ interface TsconfigJsonConfiguration {
  * The default hasher used by executors.
  */
 export class Hasher {
-  static version = '2.0';
+  static version = '3.0';
   private implicitDependencies: Promise<ImplicitHashResult>;
   private runtimeInputs: Promise<RuntimeHashResult>;
-  private projectHashes: ProjectHasher;
+  private taskHasher: TaskHasher;
   private hashing: HashingImpl;
 
   constructor(
@@ -72,45 +77,27 @@ export class Hasher {
       // this is only used for testing
       this.hashing = hashing;
     }
-    this.projectHashes = new ProjectHasher(this.projectGraph, this.hashing, {
+    this.taskHasher = new TaskHasher(this.projectGraph, this.hashing, {
       selectivelyHashTsConfig: this.options.selectivelyHashTsConfig ?? false,
     });
   }
 
-  async hashTaskWithDepsAndContext(
+  async hashTaskWithDepsAndContext(task: Task): Promise<Hash> {
-    task: Task,
-    filter:
-      | 'all-files'
-      | 'exclude-tests-of-all'
-      | 'exclude-tests-of-deps' = 'all-files'
-  ): Promise<Hash> {
-    const command = this.hashCommand(task);
-
     const values = (await Promise.all([
-      this.projectHashes.hashProject(
+      this.taskHasher.hashTask(task, [task.target.project]),
-        task.target.project,
-        [task.target.project],
-        filter
-      ),
       this.implicitDepsHash(),
       this.runtimeInputsHash(),
-    ])) as [
+    ])) as [TaskGraphResult, ImplicitHashResult, RuntimeHashResult];
-      ProjectHashResult,
-      ImplicitHashResult,
-      RuntimeHashResult
-      // NodeModulesResult
-    ];
 
     const value = this.hashing.hashArray([
       Hasher.version,
-      command,
       ...values.map((v) => v.value),
     ]);
 
     return {
       value,
       details: {
-        command,
+        command: values[0].command,
         nodes: values[0].nodes,
         implicitDeps: values[1].files,
         runtime: values[2].runtime,
@@ -118,22 +105,6 @@ export class Hasher {
     };
   }
 
-  hashCommand(task: Task) {
-    const overrides = { ...task.overrides };
-    delete overrides['__overrides_unparsed__'];
-    const sortedOverrides = {};
-    for (let k of Object.keys(overrides).sort()) {
-      sortedOverrides[k] = overrides[k];
-    }
-
-    return this.hashing.hashArray([
-      task.target.project ?? '',
-      task.target.target ?? '',
-      task.target.configuration ?? '',
-      JSON.stringify(sortedOverrides),
-    ]);
-  }
-
   async hashContext(): Promise<{
     implicitDeps: ImplicitHashResult;
     runtime: RuntimeHashResult;
@@ -149,11 +120,13 @@ export class Hasher {
     };
   }
 
+  async hashCommand(task: Task): Promise<string> {
+    return (await this.taskHasher.hashTask(task, [task.target.project]))
+      .command;
+  }
+
   async hashSource(task: Task): Promise<string> {
-    return this.projectHashes.hashProjectNodeSource(
+    return (await this.taskHasher.hashTask(task, [task.target.project])).value;
-      task.target.project,
-      'all-files'
-    );
   }
 
   hashArray(values: string[]): string {
@@ -244,6 +217,8 @@ export class Hasher {
         ...filesWithoutPatterns,
         ...implicitDepsFromPatterns,
 
+        'nx.json',
+
         //TODO: vsavkin move the special cases into explicit ts support
         'package-lock.json',
         'yarn.lock',
@@ -269,7 +244,6 @@ export class Hasher {
             const hash = this.hashing.hashFile(file);
             return { file, hash };
           }),
-        ...this.hashNxJson(),
       ];
 
       const combinedHash = this.hashing.hashArray(
@@ -291,99 +265,148 @@ export class Hasher {
 
     return this.implicitDependencies;
   }
-
-  private hashNxJson() {
-    const nxJsonPath = join(workspaceRoot, 'nx.json');
-    if (!existsSync(nxJsonPath)) {
-      return [];
-    }
-
-    let nxJsonContents = '{}';
-    try {
-      const nxJson = readJsonFile(nxJsonPath);
-      delete nxJson.projects;
-      nxJsonContents = JSON.stringify(nxJson);
-    } catch {}
-
-    return [
-      {
-        hash: this.hashing.hashArray([nxJsonContents]),
-        file: 'nx.json',
-      },
-    ];
-  }
 }
 
-class ProjectHasher {
+class TaskHasher {
-  private sourceHashes: { [projectName: string]: Promise<string> } = {};
+  private DEFAULT_FILESET_CONFIG = [
-  private workspaceJson: ProjectsConfigurations;
+    {
-  private nxJson: NxJsonConfiguration;
+      projects: 'self',
+      fileset: 'default',
+    },
+    {
+      projects: 'dependencies',
+      fileset: 'default',
+    },
+  ];
+  private filesetHashes: {
+    [taskId: string]: Promise<{ taskId: string; value: string }>;
+  } = {};
   private tsConfigJson: TsconfigJsonConfiguration;
+  private nxJson: NxJsonConfiguration;
 
   constructor(
     private readonly projectGraph: ProjectGraph,
     private readonly hashing: HashingImpl,
     private readonly options: { selectivelyHashTsConfig: boolean }
   ) {
-    this.workspaceJson = this.readWorkspaceConfigFile(workspaceFileName());
-    this.nxJson = this.readNxJsonConfigFile('nx.json');
     this.tsConfigJson = this.readTsConfig();
+    this.nxJson = readNxJson();
   }
 
-  async hashProject(
+  async hashTask(task: Task, visited: string[]): Promise<TaskGraphResult> {
-    projectName: string,
-    visited: string[],
-    filter: 'all-files' | 'exclude-tests-of-all' | 'exclude-tests-of-deps'
-  ): Promise<ProjectHashResult> {
     return Promise.resolve().then(async () => {
-      const deps = this.projectGraph.dependencies[projectName] ?? [];
+      const projectNode = this.projectGraph.nodes[task.target.project];
-      const depHashes = (
+      if (!projectNode) {
+        return this.hashExternalDependency(task);
+      }
+      const projectGraphDeps =
+        this.projectGraph.dependencies[task.target.project] ?? [];
+
+      const filesetConfigs = this.filesetConfigs(task, projectNode);
+      const self = await this.hashSelfFilesets(filesetConfigs, projectNode);
+      const deps = await this.hashDepsTasks(
+        filesetConfigs,
+        projectGraphDeps,
+        visited
+      );
+
+      const command = this.hashCommand(task);
+
+      const nodes = deps.reduce((m, c) => {
+        return { ...m, ...c.nodes };
+      }, {});
+      self.forEach((r) => (nodes[r.taskId] = r.value));
+
+      const value = this.hashing.hashArray([
+        command,
+        ...self.map((d) => d.value),
+        ...deps.map((d) => d.value),
+      ]);
+
+      return { value, command, nodes };
+    });
+  }
+
+  private async hashDepsTasks(
+    config: FilesetDependencyConfig[],
+    projectGraphDeps: ProjectGraphDependency[],
+    visited: string[]
+  ) {
+    return (
       await Promise.all(
-          deps.map(async (d) => {
+        config
+          .filter((fileset) => fileset.projects === 'dependencies')
+          .map(async (fileset) => {
+            return await Promise.all(
+              projectGraphDeps.map(async (d) => {
                 if (visited.indexOf(d.target) > -1) {
                   return null;
                 } else {
                   visited.push(d.target);
-              return await this.hashProject(d.target, visited, filter);
+                  return await this.hashTask(
+                    {
+                      id: `${d.target}:$fileset:${fileset.fileset}`,
+                      target: {
+                        project: d.target,
+                        target: '$fileset',
+                        configuration: fileset.fileset,
+                      },
+                      overrides: {},
+                    },
+                    visited
+                  );
                 }
               })
+            );
+          })
       )
-      ).filter((r) => !!r);
+    )
-      const filterForProject =
+      .flat()
-        filter === 'all-files'
+      .filter((r) => !!r);
-          ? 'all-files'
-          : filter === 'exclude-tests-of-deps' && visited[0] === projectName
-          ? 'all-files'
-          : 'exclude-tests';
-      const projectHash = await this.hashProjectNodeSource(
-        projectName,
-        filterForProject
-      );
-      const nodes = depHashes.reduce(
-        (m, c) => {
-          return { ...m, ...c.nodes };
-        },
-        { [projectName]: projectHash }
-      );
-      const value = this.hashing.hashArray([
-        ...depHashes.map((d) => d.value),
-        projectHash,
-      ]);
-      return { value, nodes };
-    });
   }
 
-  async hashProjectNodeSource(
+  private async hashSelfFilesets(
-    projectName: string,
+    config: FilesetDependencyConfig[],
-    filter: 'all-files' | 'exclude-tests'
+    projectNode: ProjectGraphProjectNode<any>
   ) {
-    const mapKey = `${projectName}-${filter}`;
+    return await Promise.all(
-    if (!this.sourceHashes[mapKey]) {
+      config
-      this.sourceHashes[mapKey] = new Promise(async (res) => {
+        .filter((fileset) => fileset.projects === 'self')
-        const p = this.projectGraph.nodes[projectName];
+        .map((fileset) =>
+          this.hashFilesetSource(projectNode.name, fileset.fileset)
+        )
+    );
+  }
 
-        if (!p) {
+  private filesetConfigs(
-          const n = this.projectGraph.externalNodes[projectName];
+    task: Task,
+    projectNode: ProjectGraphProjectNode<any>
+  ): FilesetDependencyConfig[] {
+    if (task.target.target === '$fileset') {
+      return [
+        {
+          fileset: task.target.configuration,
+          projects: 'self',
+        },
+        {
+          fileset: task.target.configuration,
+          projects: 'dependencies',
+        },
+      ];
+    } else {
+      const targetData = projectNode.data.targets[task.target.target];
+      const targetDefaults = this.nxJson.targetDefaults[task.target.target];
+      // task from TaskGraph can be added here
+      return expandFilesetConfigSyntaxSugar(
+        targetData.dependsOnFilesets ||
+          targetDefaults?.dependsOnFilesets ||
+          this.DEFAULT_FILESET_CONFIG
+      );
+    }
+  }
+
+  private hashExternalDependency(task: Task) {
+    const n = this.projectGraph.externalNodes[task.target.project];
     const version = n?.data?.version;
     let hash: string;
     if (version) {
@@ -400,66 +423,100 @@ class ProjectHasher {
       // The actual checksum added here is of no importance as
       // the version is unknown and may only change when some
       // other change occurs in package.json and/or package-lock.json
-            hash = `__${projectName}__`;
+      hash = `__${task.target.project}__`;
     }
-          res(hash);
+    return {
-          return;
+      value: hash,
+      command: '',
+      nodes: {
+        [task.target.project]: version || hash,
+      },
+    };
   }
 
-        const filteredFiles =
+  private hashCommand(task: Task) {
-          filter === 'all-files'
+    const overrides = { ...task.overrides };
-            ? p.data.files
+    delete overrides['__overrides_unparsed__'];
-            : p.data.files.filter((f) => !this.isSpec(f.file));
+    const sortedOverrides = {};
+    for (let k of Object.keys(overrides).sort()) {
+      sortedOverrides[k] = overrides[k];
+    }
+
+    return this.hashing.hashArray([
+      task.target.project ?? '',
+      task.target.target ?? '',
+      task.target.configuration ?? '',
+      JSON.stringify(sortedOverrides),
+    ]);
+  }
+
+  private async hashFilesetSource(
+    projectName: string,
+    filesetName: string
+  ): Promise<{ taskId: string; value: string }> {
+    const mapKey = `${projectName}:$fileset:${filesetName}`;
+    if (!this.filesetHashes[mapKey]) {
+      this.filesetHashes[mapKey] = new Promise(async (res) => {
+        const p = this.projectGraph.nodes[projectName];
+
+        const filesetPatterns = this.selectFilesetPatterns(p, filesetName);
+        const filteredFiles = this.filterFiles(p.data.files, filesetPatterns);
 
         const fileNames = filteredFiles.map((f) => f.file);
         const values = filteredFiles.map((f) => f.hash);
 
-        const workspaceJson = JSON.stringify(
-          this.workspaceJson.projects[projectName] ?? ''
-        );
-
         let tsConfig: string;
-
+        tsConfig = this.hashTsConfig(p);
-        if (this.options.selectivelyHashTsConfig) {
+        res({
-          tsConfig = this.removeOtherProjectsPathRecords(projectName);
+          taskId: mapKey,
-        } else {
+          value: this.hashing.hashArray([
-          tsConfig = JSON.stringify(this.tsConfigJson);
-        }
-
-        res(
-          this.hashing.hashArray([
             ...fileNames,
             ...values,
-            workspaceJson,
+            JSON.stringify({ ...p.data, files: undefined }),
             tsConfig,
-          ])
+          ]),
-        );
+        });
       });
     }
-    return this.sourceHashes[mapKey];
+    return this.filesetHashes[mapKey];
   }
 
-  private isSpec(file: string) {
+  private selectFilesetPatterns(
-    return (
+    p: ProjectGraphProjectNode,
-      file.endsWith('.spec.tsx') ||
+    filesetName: string
-      file.endsWith('.test.tsx') ||
+  ) {
-      file.endsWith('-test.tsx') ||
+    if (filesetName == undefined) {
-      file.endsWith('-spec.tsx') ||
+      filesetName = 'default';
-      file.endsWith('.spec.ts') ||
+    }
-      file.endsWith('.test.ts') ||
+    const projectFilesets = p.data.filesets
-      file.endsWith('-test.ts') ||
+      ? p.data.filesets[filesetName]
-      file.endsWith('-spec.ts') ||
+      : null;
-      file.endsWith('.spec.js') ||
+    const defaultFilesets = this.nxJson.filesets
-      file.endsWith('.test.js') ||
+      ? this.nxJson.filesets[filesetName]
-      file.endsWith('-test.js') ||
+      : null;
-      file.endsWith('-spec.js')
+    if (projectFilesets) return projectFilesets;
+    if (defaultFilesets) return defaultFilesets;
+    return null;
+  }
+
+  private filterFiles(files: FileData[], patterns: string[] | null) {
+    if (patterns === null) return files;
+    return files.filter(
+      (f) => !!patterns.find((pattern) => minimatch(f.file, pattern))
     );
   }
 
-  private removeOtherProjectsPathRecords(projectName: string) {
+  private hashTsConfig(p: ProjectGraphProjectNode) {
-    const { paths, ...compilerOptions } = this.tsConfigJson.compilerOptions;
+    if (this.options.selectivelyHashTsConfig) {
+      return this.removeOtherProjectsPathRecords(p);
+    } else {
+      return JSON.stringify(this.tsConfigJson);
+    }
+  }
 
-    const rootPath = this.workspaceJson.projects[projectName].root.split('/');
+  private removeOtherProjectsPathRecords(p: ProjectGraphProjectNode) {
+    const { paths, ...compilerOptions } = this.tsConfigJson.compilerOptions;
+    const rootPath = p.data.root.split('/');
     rootPath.shift();
     const pathAlias = `@${this.nxJson.npmScope}/${rootPath.join('/')}`;
 
@@ -484,24 +541,20 @@ class ProjectHasher {
       };
     }
   }
-
+}
-  private readWorkspaceConfigFile(path: string): ProjectsConfigurations {
+
-    try {
+function expandFilesetConfigSyntaxSugar(
-      const res = readJsonFile(path);
+  deps: (FilesetDependencyConfig | string)[]
-      res.projects ??= {};
+): FilesetDependencyConfig[] {
-      return resolveNewFormatWithInlineProjects(res);
+  return deps.map((d) => {
-    } catch {
+    if (typeof d === 'string') {
-      return { projects: {}, version: 2 };
+      if (d.startsWith('^')) {
-    }
+        return { projects: 'dependencies', fileset: d.substring(1) };
-  }
+      } else {
-
+        return { projects: 'self', fileset: d };
-  private readNxJsonConfigFile(path: string): NxJsonConfiguration {
+      }
-    try {
+    } else {
-      const res = readJsonFile(path);
+      return d;
-      res.projects ??= {};
+    }
-      return res;
+  });
-    } catch {
-      return {};
-    }
-  }
 }