feat: introduce @ngrx/data library to the platform (#1733)

The tests all pass when using yarn test, but fail when running tests with Bazel. Will investigate further.

.circleci/bazel.rc

@@ -19,7 +19,7 @@ build --experimental_strict_action_env
 # Bazel doesn't calculate the memory ceiling correctly when running under Docker.
 # Limit Bazel to consuming resources that fit in CircleCI "medium" class which is the default:
 # https://circleci.com/docs/2.0/configuration-reference/#resource_class
-build --jobs 3 --local_resources=2506,2.0,1.0
+build --jobs 3 --local_resources=3072,2.0,1.0
 
 # Also limit Bazel's own JVM heap to stay within our 4G container limit
 startup --host_jvm_args=-Xmx1g

modules/data/BUILD

@@ -0,0 +1,33 @@
+package(default_visibility = ["//visibility:public"])
+
+load("//tools:defaults.bzl", "ng_module", "ng_package")
+
+ng_module(
+    name = "data",
+    srcs = glob([
+        "*.ts",
+        "src/**/*.ts",
+    ]),
+    module_name = "@ngrx/data",
+    deps = [
+        "//modules/effects",
+        "//modules/entity",
+        "//modules/store",
+        "@npm//@angular/common",
+        "@npm//@angular/core",
+        "@npm//rxjs",
+    ],
+)
+
+ng_package(
+    name = "npm_package",
+    srcs = glob(["**/*.externs.js"]) + [
+        "package.json",
+    ],
+    entry_point = "modules/data/index.js",
+    packages = [
+    ],
+    deps = [
+        ":data",
+    ],
+)

modules/data/CHANGELOG.md

@@ -0,0 +1,3 @@
+# Change Log
+
+See [CHANGELOG.md](https://github.com/ngrx/platform/blob/master/CHANGELOG.md)

modules/data/README.md

@@ -0,0 +1,5 @@
+# @ngrx/data
+
+The sources for this package are in the main [NgRx](https://github.com/ngrx/platform) repo. Please file issues and pull requests against that repo.
+
+License: MIT

modules/data/index.ts

@@ -0,0 +1,7 @@
+/**
+ * DO NOT EDIT
+ *
+ * This file is automatically generated at build
+ */
+
+export * from './public_api';

modules/data/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "@ngrx/data",
+  "version": "0.0.0-PLACEHOLDER",
+  "description": "API management for NgRx",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/ngrx/platform.git"
+  },
+  "keywords": [
+    "Angular",
+    "Redux",
+    "NgRx",
+    "Schematics",
+    "Angular CLI"
+  ],
+  "author": "NgRx",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/ngrx/platform/issues"
+  },
+  "homepage": "https://github.com/ngrx/platform#readme",
+  "peerDependencies": {
+    "@angular/common": "NG_VERSION",
+    "@angular/core": "NG_VERSION",
+    "@ngrx/store": "0.0.0-PLACEHOLDER",
+    "@ngrx/effects": "0.0.0-PLACEHOLDER",
+    "@ngrx/entity": "0.0.0-PLACEHOLDER",
+    "rxjs": "RXJS_VERSION"
+  },
+  "schematics": "MODULE_SCHEMATICS_COLLECTION",
+  "sideEffects": false
+}

modules/data/public_api.ts

@@ -0,0 +1 @@
+export * from './src/index';

modules/data/rollup.config.js

@@ -0,0 +1,12 @@
+export default {
+  entry: './dist/data/@ngrx/data.es5.js',
+  dest: './dist/data/bundles/data.umd.js',
+  format: 'umd',
+  exports: 'named',
+  moduleName: 'ngrx.data',
+  globals: {
+    '@ngrx/store': 'ngrx.store',
+    '@ngrx/effects': 'ngrx.effects',
+    '@ngrx/entity': 'ngrx.entity',
+  }
+}

modules/data/spec/BUILD

@@ -0,0 +1,30 @@
+load("//tools:defaults.bzl", "jasmine_node_test", "ts_test_library")
+
+ts_test_library(
+    name = "test_lib",
+    srcs = glob(
+        [
+            "**/*.ts",
+        ],
+    ),
+    deps = [
+        "//modules/data",
+        "//modules/effects",
+        "//modules/effects/testing",
+        "//modules/entity",
+        "//modules/store",
+        "@npm//@angular/common",
+        "@npm//rxjs",
+    ],
+)
+
+jasmine_node_test(
+    name = "test",
+    deps = [
+        ":test_lib",
+        "//modules/data",
+        "//modules/effects",
+        "//modules/entity",
+        "//modules/store",
+    ],
+)

modules/data/spec/actions/entity-action-factory.spec.ts

@@ -0,0 +1,212 @@
+import {
+  EntityAction,
+  EntityActionOptions,
+  EntityActionPayload,
+  EntityOp,
+  EntityActionFactory,
+  MergeStrategy,
+  CorrelationIdGenerator,
+} from '../../';
+
+class Hero {
+  id: number;
+  name: string;
+}
+
+describe('EntityActionFactory', () => {
+  let factory: EntityActionFactory;
+
+  beforeEach(() => {
+    factory = new EntityActionFactory();
+  });
+
+  it('#create should create an EntityAction from entityName and entityOp', () => {
+    const action = factory.create('Hero', EntityOp.QUERY_ALL);
+    const { entityName, entityOp, data } = action.payload;
+    expect(entityName).toBe('Hero');
+    expect(entityOp).toBe(EntityOp.QUERY_ALL);
+    expect(data).toBeUndefined('no data property');
+  });
+
+  it('#create should create an EntityAction with the given data', () => {
+    const hero: Hero = { id: 42, name: 'Francis' };
+    const action = factory.create('Hero', EntityOp.ADD_ONE, hero);
+    const { entityName, entityOp, data } = action.payload;
+    expect(entityName).toBe('Hero');
+    expect(entityOp).toBe(EntityOp.ADD_ONE);
+    expect(data).toBe(hero);
+  });
+
+  it('#create should create an EntityAction with options', () => {
+    const options: EntityActionOptions = {
+      correlationId: 'CRID42',
+      isOptimistic: true,
+      mergeStrategy: MergeStrategy.OverwriteChanges,
+      tag: 'Foo',
+    };
+
+    // Don't forget placeholder for missing optional data!
+    const action = factory.create(
+      'Hero',
+      EntityOp.QUERY_ALL,
+      undefined,
+      options
+    );
+    const {
+      entityName,
+      entityOp,
+      data,
+      correlationId,
+      isOptimistic,
+      mergeStrategy,
+      tag,
+    } = action.payload;
+    expect(entityName).toBe('Hero');
+    expect(entityOp).toBe(EntityOp.QUERY_ALL);
+    expect(data).toBeUndefined();
+    expect(correlationId).toBe(options.correlationId);
+    expect(isOptimistic).toBe(options.isOptimistic);
+    expect(mergeStrategy).toBe(options.mergeStrategy);
+    expect(tag).toBe(options.tag);
+  });
+
+  it('#create create an EntityAction from an EntityActionPayload', () => {
+    const hero: Hero = { id: 42, name: 'Francis' };
+    const payload: EntityActionPayload = {
+      entityName: 'Hero',
+      entityOp: EntityOp.ADD_ONE,
+      data: hero,
+      correlationId: 'CRID42',
+      isOptimistic: true,
+      mergeStrategy: MergeStrategy.OverwriteChanges,
+      tag: 'Foo',
+    };
+    const action = factory.create(payload);
+
+    const {
+      entityName,
+      entityOp,
+      data,
+      correlationId,
+      isOptimistic,
+      mergeStrategy,
+      tag,
+    } = action.payload;
+    expect(entityName).toBe(payload.entityName);
+    expect(entityOp).toBe(payload.entityOp);
+    expect(data).toBe(payload.data);
+    expect(correlationId).toBe(payload.correlationId);
+    expect(isOptimistic).toBe(payload.isOptimistic);
+    expect(mergeStrategy).toBe(payload.mergeStrategy);
+    expect(tag).toBe(payload.tag);
+  });
+
+  it('#createFromAction should create EntityAction from another EntityAction', () => {
+    // pessimistic save
+    const hero1: Hero = { id: undefined as any, name: 'Francis' };
+    const action1 = factory.create('Hero', EntityOp.SAVE_ADD_ONE, hero1);
+
+    // after save succeeds
+    const hero: Hero = { ...hero1, id: 42 };
+    const action = factory.createFromAction(action1, {
+      entityOp: EntityOp.SAVE_ADD_ONE_SUCCESS,
+      data: hero,
+    });
+    const { entityName, entityOp, data } = action.payload;
+
+    expect(entityName).toBe('Hero');
+    expect(entityOp).toBe(EntityOp.SAVE_ADD_ONE_SUCCESS);
+    expect(data).toBe(hero);
+    const expectedType = factory.formatActionType(
+      EntityOp.SAVE_ADD_ONE_SUCCESS,
+      'Hero'
+    );
+    expect(action.type).toEqual(expectedType);
+  });
+
+  it('#createFromAction should copy the options from the source action', () => {
+    const options: EntityActionOptions = {
+      correlationId: 'CRID42',
+      isOptimistic: true,
+      mergeStrategy: MergeStrategy.OverwriteChanges,
+      tag: 'Foo',
+    };
+    // Don't forget placeholder for missing optional data!
+    const sourceAction = factory.create(
+      'Hero',
+      EntityOp.QUERY_ALL,
+      undefined,
+      options
+    );
+
+    const queryResults: Hero[] = [
+      { id: 1, name: 'Francis' },
+      { id: 2, name: 'Alex' },
+    ];
+    const action = factory.createFromAction(sourceAction, {
+      entityOp: EntityOp.QUERY_ALL_SUCCESS,
+      data: queryResults,
+    });
+
+    const {
+      entityName,
+      entityOp,
+      data,
+      correlationId,
+      isOptimistic,
+      mergeStrategy,
+      tag,
+    } = action.payload;
+    expect(entityName).toBe('Hero');
+    expect(entityOp).toBe(EntityOp.QUERY_ALL_SUCCESS);
+    expect(data).toBe(queryResults);
+    expect(correlationId).toBe(options.correlationId);
+    expect(isOptimistic).toBe(options.isOptimistic);
+    expect(mergeStrategy).toBe(options.mergeStrategy);
+    expect(tag).toBe(options.tag);
+  });
+
+  it('#createFromAction can suppress the data property', () => {
+    const hero: Hero = { id: 42, name: 'Francis' };
+    const action1 = factory.create('Hero', EntityOp.ADD_ONE, hero);
+    const action = factory.createFromAction(action1, {
+      entityOp: EntityOp.SAVE_ADD_ONE,
+      data: undefined,
+    });
+    const { entityName, entityOp, data } = action.payload;
+    expect(entityName).toBe('Hero');
+    expect(entityOp).toBe(EntityOp.SAVE_ADD_ONE);
+    expect(data).toBeUndefined();
+  });
+
+  it('#formatActionType should format type with the entityName', () => {
+    const action = factory.create('Hero', EntityOp.QUERY_ALL);
+    const expectedFormat = factory.formatActionType(EntityOp.QUERY_ALL, 'Hero');
+    expect(action.type).toBe(expectedFormat);
+  });
+
+  it('#formatActionType should format type with given tag instead of the entity name', () => {
+    const tag = 'Hero - Tag Test';
+    const action = factory.create('Hero', EntityOp.QUERY_ALL, null, { tag });
+    expect(action.type).toContain(tag);
+  });
+
+  it('can re-format generated action.type with a custom #formatActionType()', () => {
+    factory.formatActionType = (op, entityName) =>
+      `${entityName}_${op}`.toUpperCase();
+
+    const expected = ('Hero_' + EntityOp.QUERY_ALL).toUpperCase();
+    const action = factory.create('Hero', EntityOp.QUERY_ALL);
+    expect(action.type).toBe(expected);
+  });
+
+  it('should throw if do not specify entityName', () => {
+    expect(() => factory.create(null as any)).toThrow();
+  });
+
+  it('should throw if do not specify EntityOp', () => {
+    expect(() =>
+      factory.create({ entityName: 'Hero', entityOp: null as any })
+    ).toThrow();
+  });
+});

modules/data/spec/actions/entity-action-guard.spec.ts

@@ -0,0 +1,3 @@
+describe('EntityActionGuard', () => {
+  // TODO: write some tests
+});