Merge changes from topic "gr-change-view_tests-to-ts"

* changes:
  Convert gr-change-view tests to typescript
  Rename gr-change-view_test.js to gr-change-view_test.ts
  Remove generateChange method and instead use test-data-generators.ts
  Add test-data-generators and convert several test files to TS
  Cleanup eslint rules and fix some eslint warnings
  Allow to write and run Typescript tests

polygerrit-ui/app/.eslintrc.js

@@ -280,28 +280,17 @@ module.exports = {
         // it catches almost all errors related to invalid usage of this.
         "no-invalid-this": "off",
 
+        "node/no-extraneous-import": "off",
+
+        // Typescript already checks for undef
+        "no-undef": "off",
+
         "jsdoc/no-types": 2,
       },
       "parserOptions": {
         "project": path.resolve(__dirname, "./tsconfig_eslint.json"),
       }
     },
-    {
-      "files": ["**/*.ts"],
-      "excludedFiles": "*.d.ts",
-      "rules": {
-        // Custom rule from the //tools/js/eslint-rules directory.
-        // See //tools/js/eslint-rules/README.md for details
-        "ts-imports-js": 2,
-      }
-    },
-    {
-      "files": ["**/*.d.ts"],
-      "rules": {
-        // See details in the //tools/js/eslint-rules/report-ts-error.js file.
-        "report-ts-error": "error",
-      }
-    },
     {
       "files": ["*.html", "test.js", "test-infra.js"],
       "rules": {
@@ -311,8 +300,6 @@ module.exports = {
     {
       "files": [
         "*.html",
-        "common-test-setup.js",
-        "common-test-setup-karma.js",
         "*_test.js",
         "a11y-test-utils.js",
       ],

polygerrit-ui/app/BUILD

@@ -3,7 +3,8 @@ load("//tools/js:eslint.bzl", "eslint")
 
 package(default_visibility = ["//visibility:public"])
 
-# This list must be in sync with the "include" list in the tsconfig.json file
+# This list must be in sync with the "include" list in the follwoing files:
+# tsconfig.json, tsconfig_bazel.json, tsconfig_bazel_test.json
 src_dirs = [
     "constants",
     "elements",
@@ -27,6 +28,7 @@ compiled_pg_srcs = compile_ts(
         ]],
         exclude = [
             "**/*_test.js",
+            "**/*_test.ts",
         ],
     ),
     # The same outdir also appears in the following files:
@@ -40,6 +42,7 @@ compiled_pg_srcs_with_tests = compile_ts(
         [
             "**/*.js",
             "**/*.ts",
+            "test/@types/*.d.ts",
         ],
         exclude = [
             "node_modules/**",
@@ -48,6 +51,7 @@ compiled_pg_srcs_with_tests = compile_ts(
             "rollup.config.js",
         ],
     ),
+    include_tests = True,
     # The same outdir also appears in the following files:
     # wct_test.sh
     # karma.conf.js

polygerrit-ui/app/constants/constants.ts

@@ -369,3 +369,34 @@ export enum AuthType {
   CUSTOM_EXTENSION = 'CUSTOM_EXTENSION',
   DEVELOPMENT_BECOME_ANY_ACCOUNT = 'DEVELOPMENT_BECOME_ANY_ACCOUNT',
 }
+
+/**
+ * Controls visibility of other users' dashboard pages and completion suggestions to web users
+ * https://gerrit-review.googlesource.com/Documentation/config-gerrit.html#accounts.visibility
+ */
+export enum AccountsVisibility {
+  ALL = 'ALL',
+  SAME_GROUP = 'SAME_GROUP',
+  VISIBLE_GROUP = 'VISIBLE_GROUP',
+  NONE = 'NONE',
+}
+
+/**
+ * Account fields that are editable
+ * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html#auth-info
+ */
+export enum EditableAccountField {
+  FULL_NAME = 'FULL_NAME',
+  USER_NAME = 'USER_NAME',
+  REGISTER_NEW_EMAIL = 'REGISTER_NEW_EMAIL',
+}
+
+/**
+ * This setting determines when Gerrit computes if a change is mergeable or not.
+ * https://gerrit-review.googlesource.com/Documentation/config-gerrit.html#change.mergeabilityComputationBehavior
+ */
+export enum MergeabilityComputationBehavior {
+  API_REF_UPDATED_AND_CHANGE_REINDEX = 'API_REF_UPDATED_AND_CHANGE_REINDEX',
+  REF_UPDATED_AND_CHANGE_REINDEX = 'REF_UPDATED_AND_CHANGE_REINDEX',
+  NEVER = 'NEVER',
+}

polygerrit-ui/app/elements/admin/gr-create-change-dialog/gr-create-change-dialog.ts

@@ -37,6 +37,8 @@ import {
 import {InheritedBooleanInfoConfiguredValue} from '../../../constants/constants';
 import {hasOwnProperty} from '../../../utils/common-util';
 import {RestApiService} from '../../../services/services/gr-rest-api/gr-rest-api';
+import {GrAutocomplete} from '../../shared/gr-autocomplete/gr-autocomplete';
+import {IronAutogrowTextareaElement} from '@polymer/iron-autogrow-textarea/iron-autogrow-textarea';
 
 const SUGGESTIONS_LIMIT = 15;
 const REF_PREFIX = 'refs/heads/';
@@ -45,6 +47,9 @@ export interface GrCreateChangeDialog {
   $: {
     restAPI: RestApiService & Element;
     privateChangeCheckBox: HTMLInputElement;
+    branchInput: GrAutocomplete;
+    tagNameInput: HTMLInputElement;
+    messageInput: IronAutogrowTextareaElement;
   };
 }
 @customElement('gr-create-change-dialog')

polygerrit-ui/app/elements/admin/gr-create-change-dialog/gr-create-change-dialog_test.ts

@@ -17,40 +17,48 @@
 
 import '../../../test/common-test-setup-karma.js';
 import './gr-create-change-dialog.js';
+import {GrCreateChangeDialog} from './gr-create-change-dialog';
+import {BranchName, GitRef, RepoName} from '../../../types/common';
+import {InheritedBooleanInfoConfiguredValue} from '../../../constants/constants';
+import {createChange, createConfig} from '../../../test/test-data-generators';
 
 const basicFixture = fixtureFromElement('gr-create-change-dialog');
 
 suite('gr-create-change-dialog tests', () => {
-  let element;
+  let element: GrCreateChangeDialog;
 
   setup(() => {
     stub('gr-rest-api-interface', {
-      getLoggedIn() { return Promise.resolve(true); },
+      getLoggedIn() {
+        return Promise.resolve(true);
+      },
       getRepoBranches(input) {
         if (input.startsWith('test')) {
           return Promise.resolve([
             {
-              ref: 'refs/heads/test-branch',
+              ref: 'refs/heads/test-branch' as GitRef,
               revision: '67ebf73496383c6777035e374d2d664009e2aa5c',
               can_delete: true,
             },
           ]);
         } else {
-          return Promise.resolve({});
+          return Promise.resolve([]);
         }
       },
     });
     element = basicFixture.instantiate();
-    element.repoName = 'test-repo';
+    element.repoName = 'test-repo' as RepoName;
     element._repoConfig = {
+      ...createConfig(),
       private_by_default: {
-        configured_value: 'FALSE',
+        value: false,
+        configured_value: InheritedBooleanInfoConfiguredValue.FALSE,
         inherited_value: false,
       },
     };
   });
 
-  test('new change created with default', done => {
+  test('new change created with default', async () => {
     const configInputObj = {
       branch: 'test-branch',
       subject: 'first change created with polygerrit ui',
@@ -59,35 +67,32 @@ suite('gr-create-change-dialog tests', () => {
       work_in_progress: true,
     };
 
-    const saveStub = sinon.stub(element.$.restAPI,
-        'createChange').callsFake(() => Promise.resolve({}));
+    const saveStub = sinon
+      .stub(element.$.restAPI, 'createChange')
+      .callsFake(() => Promise.resolve(createChange()));
 
-    element.branch = 'test-branch';
+    element.branch = 'test-branch' as BranchName;
     element.topic = 'test-topic';
     element.subject = 'first change created with polygerrit ui';
     assert.isFalse(element.$.privateChangeCheckBox.checked);
 
-    element.$.branchInput.bindValue = configInputObj.branch;
-    element.$.tagNameInput.bindValue = configInputObj.topic;
     element.$.messageInput.bindValue = configInputObj.subject;
 
-    element.handleCreateChange().then(() => {
-      // Private change
-      assert.isFalse(saveStub.lastCall.args[4]);
-      // WIP Change
-      assert.isTrue(saveStub.lastCall.args[5]);
-      assert.isTrue(saveStub.called);
-      done();
-    });
+    await element.handleCreateChange();
+    // Private change
+    assert.isFalse(saveStub.lastCall.args[4]);
+    // WIP Change
+    assert.isTrue(saveStub.lastCall.args[5]);
+    assert.isTrue(saveStub.called);
   });
 
-  test('new change created with private', done => {
+  test('new change created with private', async () => {
     element.privateByDefault = {
-      configured_value: 'TRUE',
+      configured_value: InheritedBooleanInfoConfiguredValue.TRUE,
       inherited_value: false,
+      value: true,
     };
-    sinon.stub(element, '_formatBooleanString')
-        .callsFake(() => Promise.resolve(true));
+    sinon.stub(element, '_formatBooleanString').callsFake(() => true);
     flush();
 
     const configInputObj = {
@@ -98,26 +103,23 @@ suite('gr-create-change-dialog tests', () => {
       work_in_progress: true,
     };
 
-    const saveStub = sinon.stub(element.$.restAPI,
-        'createChange').callsFake(() => Promise.resolve({}));
+    const saveStub = sinon
+      .stub(element.$.restAPI, 'createChange')
+      .callsFake(() => Promise.resolve(createChange()));
 
-    element.branch = 'test-branch';
+    element.branch = 'test-branch' as BranchName;
     element.topic = 'test-topic';
     element.subject = 'first change created with polygerrit ui';
     assert.isTrue(element.$.privateChangeCheckBox.checked);
 
-    element.$.branchInput.bindValue = configInputObj.branch;
-    element.$.tagNameInput.bindValue = configInputObj.topic;
     element.$.messageInput.bindValue = configInputObj.subject;
 
-    element.handleCreateChange().then(() => {
-      // Private change
-      assert.isTrue(saveStub.lastCall.args[4]);
-      // WIP Change
-      assert.isTrue(saveStub.lastCall.args[5]);
-      assert.isTrue(saveStub.called);
-      done();
-    });
+    await element.handleCreateChange();
+    // Private change
+    assert.isTrue(saveStub.lastCall.args[4]);
+    // WIP Change
+    assert.isTrue(saveStub.lastCall.args[5]);
+    assert.isTrue(saveStub.called);
   });
 
   test('_getRepoBranchesSuggestions empty', done => {
@@ -145,4 +147,3 @@ suite('gr-create-change-dialog tests', () => {
     assert.equal(element._computePrivateSectionClass(false), '');
   });
 });
-

polygerrit-ui/app/elements/change/gr-change-actions/gr-change-actions_test.js

@@ -20,7 +20,11 @@ import './gr-change-actions.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
 import {GerritNav} from '../../core/gr-navigation/gr-navigation.js';
 import {getPluginLoader} from '../../shared/gr-js-api-interface/gr-plugin-loader.js';
-import {generateChange} from '../../../test/test-utils.js';
+import {
+  createChange,
+  createChangeMessages,
+  createRevisions,
+} from '../../../test/test-data-generators.js';
 
 const basicFixture = fixtureFromElement('gr-change-actions');
 
@@ -1810,10 +1814,11 @@ suite('gr-change-actions tests', () => {
         element.changeNum = 42;
         element.change._number = 42;
         element.latestPatchNum = 12;
-        element.change = generateChange({
-          revisionsCount: element.latestPatchNum,
-          messagesCount: 1,
-        });
+        element.change = {
+          ...createChange(),
+          revisions: createRevisions(element.latestPatchNum),
+          messages: createChangeMessages(1),
+        };
         payload = {foo: 'bar'};
 
         onShowError = sinon.stub();
@@ -1826,12 +1831,12 @@ suite('gr-change-actions tests', () => {
         let sendStub;
         setup(() => {
           sinon.stub(element.$.restAPI, 'getChangeDetail')
-              .returns(Promise.resolve(
-                  generateChange({
-                    // element has latest info
-                    revisionsCount: element.latestPatchNum,
-                    messagesCount: 1,
-                  })));
+              .returns(Promise.resolve({
+                ...createChange(),
+                // element has latest info
+                revisions: createRevisions(element.latestPatchNum),
+                messages: createChangeMessages(1),
+              }));
           sendStub = sinon.stub(element.$.restAPI, 'executeChangeAction')
               .returns(Promise.resolve({}));
           getResponseObjectStub = sinon.stub(element.$.restAPI,
@@ -1945,12 +1950,12 @@ suite('gr-change-actions tests', () => {
       suite('failure modes', () => {
         test('non-latest', () => {
           sinon.stub(element.$.restAPI, 'getChangeDetail')
-              .returns(Promise.resolve(
-                  generateChange({
-                    // new patchset was uploaded
-                    revisionsCount: element.latestPatchNum + 1,
-                    messagesCount: 1,
-                  })));
+              .returns(Promise.resolve({
+                ...createChange(),
+                // new patchset was uploaded
+                revisions: createRevisions(element.latestPatchNum + 1),
+                messages: createChangeMessages(1),
+              }));
           const sendStub = sinon.stub(element.$.restAPI,
               'executeChangeAction');
 
@@ -1965,12 +1970,12 @@ suite('gr-change-actions tests', () => {
 
         test('send fails', () => {
           sinon.stub(element.$.restAPI, 'getChangeDetail')
-              .returns(Promise.resolve(
-                  generateChange({
-                    // element has latest info
-                    revisionsCount: element.latestPatchNum,
-                    messagesCount: 1,
-                  })));
+              .returns(Promise.resolve({
+                ...createChange(),
+                // element has latest info
+                revisions: createRevisions(element.latestPatchNum),
+                messages: createChangeMessages(1),
+              }));
           const sendStub = sinon.stub(element.$.restAPI,
               'executeChangeAction').callsFake(
               (num, method, patchNum, endpoint, payload, onErr) => {

polygerrit-ui/app/elements/change/gr-change-metadata/gr-change-metadata.ts

@@ -50,7 +50,10 @@ import {
 } from '../../../constants/constants';
 import {changeIsOpen} from '../../../utils/change-util';
 import {customElement, property, observe} from '@polymer/decorators';
-import {ParsedChangeInfo} from '../../shared/gr-rest-api-interface/gr-reviewer-updates-parser';
+import {
+  EditRevisionInfo,
+  ParsedChangeInfo,
+} from '../../shared/gr-rest-api-interface/gr-reviewer-updates-parser';
 import {
   AccountDetailInfo,
   AccountInfo,
@@ -135,7 +138,7 @@ export class GrChangeMetadata extends GestureEventListeners(
   account?: AccountDetailInfo;
 
   @property({type: Object})
-  revision?: RevisionInfo;
+  revision?: RevisionInfo | EditRevisionInfo;
 
   @property({type: Object})
   commitInfo?: CommitInfoWithRequiredCommit;
@@ -612,7 +615,7 @@ export class GrChangeMetadata extends GestureEventListeners(
 
   _computeParents(
     change?: ParsedChangeInfo,
-    revision?: RevisionInfo
+    revision?: RevisionInfo | EditRevisionInfo
   ): ParentCommitInfo[] {
     if (!revision || !revision.commit) {
       if (!change || !change.current_revision) {

polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.ts

@@ -132,7 +132,10 @@ import {
 import {AppElementChangeViewParams} from '../../gr-app-types';
 import {DropdownLink} from '../../shared/gr-dropdown/gr-dropdown';
 import {PaperTabsElement} from '@polymer/paper-tabs/paper-tabs';
-import {ParsedChangeInfo} from '../../shared/gr-rest-api-interface/gr-reviewer-updates-parser';
+import {
+  EditRevisionInfo,
+  ParsedChangeInfo,
+} from '../../shared/gr-rest-api-interface/gr-reviewer-updates-parser';
 import {
   GrFileList,
   DEFAULT_NUM_FILES_SHOWN,
@@ -142,8 +145,12 @@ import {
   CustomKeyboardEvent,
   EditableContentSaveEvent,
   OpenFixPreviewEvent,
+  ShowAlertEventDetail,
   SwitchTabEvent,
 } from '../../../types/events';
+import {GrButton} from '../../shared/gr-button/gr-button';
+import {GrMessagesList} from '../gr-messages-list/gr-messages-list';
+import {GrThreadList} from '../gr-thread-list/gr-thread-list';
 
 const CHANGE_ID_ERROR = {
   MISMATCH: 'mismatch',
@@ -217,8 +224,15 @@ export interface GrChangeView {
     metadata: GrChangeMetadata;
     relatedChangesToggle: HTMLDivElement;
     mainChangeInfo: HTMLDivElement;
+    commitCollapseToggleButton: GrButton;
+    commitCollapseToggle: HTMLDivElement;
+    relatedChangesToggleButton: GrButton;
+    replyBtn: GrButton;
   };
 }
+
+export type ChangeViewPatchRange = Partial<PatchRange>;
+
 @customElement('gr-change-view')
 export class GrChangeView extends KeyboardShortcutMixin(
   GestureEventListeners(LegacyElementMixin(PolymerElement))
@@ -377,7 +391,7 @@ export class GrChangeView extends KeyboardShortcutMixin(
   _changeIdCommitMessageError?: string;
 
   @property({type: Object})
-  _patchRange?: PatchRange;
+  _patchRange?: ChangeViewPatchRange;
 
   @property({type: String})
   _filesExpanded?: string;
@@ -386,7 +400,7 @@ export class GrChangeView extends KeyboardShortcutMixin(
   _basePatchNum?: string;
 
   @property({type: Object})
-  _selectedRevision?: RevisionInfo;
+  _selectedRevision?: RevisionInfo | EditRevisionInfo;
 
   @property({type: Object})
   _currentRevisionActions?: ActionNameToActionInfoMap;
@@ -431,7 +445,7 @@ export class GrChangeView extends KeyboardShortcutMixin(
     type: String,
     computed: '_computeChangeStatusChips(_change, _mergeable, _submitEnabled)',
   })
-  _changeStatuses?: string;
+  _changeStatuses?: string[];
 
   /** If false, then the "Show more" button was used to expand. */
   @property({type: Boolean})
@@ -653,11 +667,11 @@ export class GrChangeView extends KeyboardShortcutMixin(
     }
   }
 
-  get messagesList() {
+  get messagesList(): GrMessagesList | null {
     return this.shadowRoot!.querySelector('gr-messages-list');
   }
 
-  get threadList() {
+  get threadList(): GrThreadList | null {
     return this.shadowRoot!.querySelector('gr-thread-list');
   }
 
@@ -868,9 +882,9 @@ export class GrChangeView extends KeyboardShortcutMixin(
     loggedIn: boolean,
     editing: boolean,
     change: ChangeInfo,
-    editMode: boolean,
-    collapsed: boolean,
-    collapsible: boolean
+    editMode?: boolean,
+    collapsed?: boolean,
+    collapsible?: boolean
   ) {
     if (
       !loggedIn ||
@@ -1223,14 +1237,13 @@ export class GrChangeView extends KeyboardShortcutMixin(
         this._patchRange.basePatchNum !== value.basePatchNum);
     const changeChanged = this._changeNum !== value.changeNum;
 
-    const patchRange = {
+    const patchRange: ChangeViewPatchRange = {
       patchNum: value.patchNum,
-      basePatchNum: value.basePatchNum || 'PARENT',
+      basePatchNum: value.basePatchNum || ParentPatchSetNum,
     };
 
     this.$.fileList.collapseAllDiffs();
-    // TODO(TS): change patchRange to PatchRange.
-    this._patchRange = patchRange as PatchRange;
+    this._patchRange = patchRange;
 
     // If the change has already been loaded and the parameter change is only
     // in the patch range, then don't do a full reload.
@@ -1475,7 +1488,7 @@ export class GrChangeView extends KeyboardShortcutMixin(
    */
   _getBasePatchNum(
     change: ChangeInfo | ParsedChangeInfo,
-    patchRange: PatchRange
+    patchRange: ChangeViewPatchRange
   ) {
     if (patchRange.basePatchNum && patchRange.basePatchNum !== 'PARENT') {
       return patchRange.basePatchNum;
@@ -1575,7 +1588,7 @@ export class GrChangeView extends KeyboardShortcutMixin(
       GrChangeView,
       '_diffDrafts'
     > | null,
-    canStartReview?: PolymerDeepPropertyChange<boolean, boolean>
+    canStartReview?: boolean
   ) {
     if (changeRecord === undefined || canStartReview === undefined) {
       return 'Reply';
@@ -1685,11 +1698,12 @@ export class GrChangeView extends KeyboardShortcutMixin(
       throw new Error('missing required _patchRange property');
     const latestPatchNum = computeLatestPatchNum(this._allPatchSets);
     if (patchNumEquals(this._patchRange.patchNum, latestPatchNum)) {
+      const detail: ShowAlertEventDetail = {
+        message: 'Latest is already selected.',
+      };
       this.dispatchEvent(
         new CustomEvent('show-alert', {
-          detail: {
-            message: 'Latest is already selected.',
-          },
+          detail,
           composed: true,
           bubbles: true,
         })
@@ -1927,7 +1941,7 @@ export class GrChangeView extends KeyboardShortcutMixin(
         basePatchNum: edit.base_patch_set_number,
         commit: edit.commit,
         fetch: edit.fetch,
-      } as RevisionInfo;
+      };
 
     // If the edit is based on the most recent patchset, load it by
     // default, unless another patch set to load was specified in the URL.
@@ -2568,7 +2582,7 @@ export class GrChangeView extends KeyboardShortcutMixin(
     this.$.relatedChanges.reload();
   }
 
-  _computeHeaderClass(editMode: boolean) {
+  _computeHeaderClass(editMode?: boolean) {
     const classes = ['header'];
     if (editMode) {
       classes.push('editMode');
@@ -2577,7 +2591,10 @@ export class GrChangeView extends KeyboardShortcutMixin(
   }
 
   _computeEditMode(
-    patchRangeRecord: PolymerDeepPropertyChange<PatchRange, PatchRange>,
+    patchRangeRecord: PolymerDeepPropertyChange<
+      ChangeViewPatchRange,
+      ChangeViewPatchRange
+    >,
     paramsRecord: PolymerDeepPropertyChange<
       AppElementChangeViewParams,
       AppElementChangeViewParams
@@ -2734,7 +2751,10 @@ export class GrChangeView extends KeyboardShortcutMixin(
    * Wrapper for using in the element template and computed properties
    */
   _hasEditPatchsetLoaded(
-    patchRangeRecord: PolymerDeepPropertyChange<PatchRange, PatchRange>
+    patchRangeRecord: PolymerDeepPropertyChange<
+      ChangeViewPatchRange,
+      ChangeViewPatchRange
+    >
   ) {
     const patchRange = patchRangeRecord.base;
     if (!patchRange) {

polygerrit-ui/app/elements/change/gr-file-list-header/gr-file-list-header_test.js

@@ -19,8 +19,8 @@ import '../../../test/common-test-setup-karma.js';
 import './gr-file-list-header.js';
 import {FilesExpandedState} from '../gr-file-list-constants.js';
 import {GerritNav} from '../../core/gr-navigation/gr-navigation.js';
-import {generateChange} from '../../../test/test-utils.js';
 import 'lodash/lodash.js';
+import {createRevisions} from '../../../test/test-data-generators.js';
 
 const basicFixture = fixtureFromElement('gr-file-list-header');
 
@@ -269,7 +269,7 @@ suite('gr-file-list-header tests', () => {
 
     test('patch specific elements', () => {
       element.editMode = true;
-      element.allPatchSets = generateChange({revisionsCount: 2}).revisions;
+      element.allPatchSets = createRevisions(2);
       flush();
 
       assert.isFalse(isVisible(element.$.diffPrefsContainer));

polygerrit-ui/app/elements/core/gr-search-bar/gr-search-bar.ts

@@ -36,6 +36,7 @@ import {
 } from '../../shared/gr-autocomplete/gr-autocomplete';
 import {getDocsBaseUrl} from '../../../utils/url-util';
 import {CustomKeyboardEvent} from '../../../types/events';
+import {MergeabilityComputationBehavior} from '../../../constants/constants';
 
 // Possible static search options for auto complete, without negations.
 const SEARCH_OPERATORS = [
@@ -197,8 +198,10 @@ export class GrSearchBar extends KeyboardShortcutMixin(
         serverConfig.change &&
         serverConfig.change.mergeability_computation_behavior;
       if (
-        mergeability === 'API_REF_UPDATED_AND_CHANGE_REINDEX' ||
-        mergeability === 'REF_UPDATED_AND_CHANGE_REINDEX'
+        mergeability ===
+          MergeabilityComputationBehavior.API_REF_UPDATED_AND_CHANGE_REINDEX ||
+        mergeability ===
+          MergeabilityComputationBehavior.REF_UPDATED_AND_CHANGE_REINDEX
       ) {
         // add 'is:mergeable' to SEARCH_OPERATORS_WITH_NEGATIONS_SET
         this._addOperator('is:mergeable');

polygerrit-ui/app/elements/diff/gr-diff-host/gr-diff-host_test.js

@@ -22,7 +22,7 @@ import {GerritNav} from '../../core/gr-navigation/gr-navigation.js';
 import {dom} from '@polymer/polymer/lib/legacy/polymer.dom.js';
 import {sortComments} from '../../../utils/comment-util.js';
 import {Side} from '../../../constants/constants.js';
-import {generateChange} from '../../../test/test-utils';
+import {createChange} from '../../../test/test-data-generators.js';
 
 const basicFixture = fixtureFromElement('gr-diff-host');
 
@@ -55,7 +55,7 @@ suite('gr-diff-host tests', () => {
     });
     test('plugin layers requested', () => {
       element.patchRange = {};
-      element.change = generateChange();
+      element.change = createChange();
       element.reload();
       assert(element.$.jsAPI.getDiffLayers.called);
     });
@@ -323,7 +323,7 @@ suite('gr-diff-host tests', () => {
       sinon.stub(element.$.restAPI, 'getDiff').returns(
           Promise.resolve({content: []}));
       element.patchRange = {};
-      element.change = generateChange();
+      element.change = createChange();
       element.$.restAPI.getDiffPreferences().then(prefs => {
         element.prefs = prefs;
         return element.reload(true);
@@ -344,7 +344,7 @@ suite('gr-diff-host tests', () => {
       sinon.stub(element.$.restAPI, 'getDiff').returns(
           Promise.resolve({content: []}));
       element.patchRange = {};
-      element.change = generateChange();
+      element.change = createChange();
       element.reload();
       // Multiple cascading microtasks are scheduled.
       await flush();
@@ -366,7 +366,7 @@ suite('gr-diff-host tests', () => {
       sinon.stub(element.$.restAPI, 'getDiff').returns(
           Promise.resolve({content: []}));
       element.patchRange = {};
-      element.change = generateChange();
+      element.change = createChange();
       let reloadComplete = false;
       element.$.restAPI.getDiffPreferences()
           .then(prefs => {
@@ -392,7 +392,7 @@ suite('gr-diff-host tests', () => {
     // Stub the network calls into requests that never resolve.
     sinon.stub(element, '_getDiff').callsFake(() => new Promise(() => {}));
     element.patchRange = {};
-    element.change = generateChange();
+    element.change = createChange();
 
     // Needs to be set to something first for it to cancel.
     element.diff = {
@@ -410,7 +410,7 @@ suite('gr-diff-host tests', () => {
       getLoggedIn = false;
       element = basicFixture.instantiate();
       element.changeNum = 123;
-      element.change = generateChange();
+      element.change = createChange();
       element.path = 'some/path';
     });
 
@@ -542,7 +542,7 @@ suite('gr-diff-host tests', () => {
             );
 
         element.patchRange = {basePatchNum: 'PARENT', patchNum: 1};
-        element.change = generateChange();
+        element.change = createChange();
         element.comments = {
           left: [],
           right: [],
@@ -1447,7 +1447,7 @@ suite('gr-diff-host tests', () => {
       element.patchRange = {};
       element.prefs = prefs;
       element.changeNum = 123;
-      element.change = generateChange();
+      element.change = createChange();
       element.path = 'some/path';
     });
 
@@ -1502,7 +1502,7 @@ suite('gr-diff-host tests', () => {
         }],
       };
       element.patchRange = {};
-      element.change = generateChange();
+      element.change = createChange();
       element.prefs = prefs;
     });
 
@@ -1559,7 +1559,7 @@ suite('gr-diff-host tests', () => {
       });
       element = basicFixture.instantiate();
       element.changeNum = 123;
-      element.change = generateChange();
+      element.change = createChange();
       element.path = 'some/path';
       const prefs = {
         line_length: 10,

polygerrit-ui/app/elements/diff/gr-diff-view/gr-diff-view_test.js

@@ -19,12 +19,16 @@ import '../../../test/common-test-setup-karma.js';
 import './gr-diff-view.js';
 import {GerritNav} from '../../core/gr-navigation/gr-navigation.js';
 import {ChangeStatus} from '../../../constants/constants.js';
-import {generateChange, TestKeyboardShortcutBinder} from '../../../test/test-utils';
+import {TestKeyboardShortcutBinder} from '../../../test/test-utils.js';
 import {SPECIAL_PATCH_SET_NUM} from '../../../utils/patch-set-util.js';
 import {Shortcut} from '../../../mixins/keyboard-shortcut-mixin/keyboard-shortcut-mixin.js';
 import {_testOnly_findCommentById} from '../gr-comment-api/gr-comment-api.js';
 import {appContext} from '../../../services/app-context.js';
 import {GerritView} from '../../core/gr-navigation/gr-navigation.js';
+import {
+  createChange,
+  createRevisions,
+} from '../../../test/test-data-generators.js';
 
 const basicFixture = fixtureFromElement('gr-diff-view');
 
@@ -184,8 +188,10 @@ suite('gr-diff-view tests', () => {
       sinon.stub(element.reporting, 'diffViewDisplayed');
       sinon.stub(element.$.diffHost, 'reload').returns(Promise.resolve());
       sinon.spy(element, '_paramsChanged');
-      sinon.stub(element, '_getChangeDetail').returns(Promise.resolve(
-          generateChange({revisionsCount: 11})));
+      sinon.stub(element, '_getChangeDetail').returns(Promise.resolve({
+        ...createChange(),
+        revisions: createRevisions(11),
+      }));
       element.params = {
         view: GerritNav.View.DIFF,
         changeNum: '42',
@@ -197,7 +203,10 @@ suite('gr-diff-view tests', () => {
         left: [{id: 'c1', __commentSide: 'left', line: 10}],
         right: [{id: 'c2', __commentSide: 'right', line: 11}],
       });
-      element._change = generateChange({revisionsCount: 11});
+      element._change = {
+        ...createChange(),
+        revisions: createRevisions(11),
+      };
       return element._paramsChanged.returnValues[0].then(() => {
         assert.isTrue(initLineOfInterestAndCursorStub.
             calledWithExactly(true));
@@ -237,8 +246,10 @@ suite('gr-diff-view tests', () => {
           sinon.stub(element.$.diffHost, 'reload').returns(Promise.resolve());
           sinon.stub(element, '_isFileUnchanged').returns(true);
           sinon.spy(element, '_paramsChanged');
-          sinon.stub(element, '_getChangeDetail').returns(Promise.resolve(
-              generateChange({revisionsCount: 11})));
+          sinon.stub(element, '_getChangeDetail').returns(Promise.resolve({
+            ...createChange(),
+            revisions: createRevisions(11),
+          }));
           element.params = {
             view: GerritNav.View.DIFF,
             changeNum: '42',
@@ -247,7 +258,10 @@ suite('gr-diff-view tests', () => {
             commentId: 'c1',
           };
           sinon.stub(element.$.diffHost, '_commentsChanged');
-          element._change = generateChange({revisionsCount: 11});
+          element._change = {
+            ...createChange(),
+            revisions: createRevisions(11),
+          };
           return element._paramsChanged.returnValues[0].then(() => {
             assert.isTrue(diffNavStub.lastCall.calledWithExactly(
                 element._change, '/COMMIT_MSG', 2, 'PARENT', 10));
@@ -262,8 +276,10 @@ suite('gr-diff-view tests', () => {
           sinon.stub(element.$.diffHost, 'reload').returns(Promise.resolve());
           sinon.stub(element, '_isFileUnchanged').returns(true);
           sinon.spy(element, '_paramsChanged');
-          sinon.stub(element, '_getChangeDetail').returns(Promise.resolve(
-              generateChange({revisionsCount: 11})));
+          sinon.stub(element, '_getChangeDetail').returns(Promise.resolve({
+            ...createChange(),
+            revisions: createRevisions(11),
+          }));
           element.params = {
             view: GerritNav.View.DIFF,
             changeNum: '42',
@@ -272,7 +288,10 @@ suite('gr-diff-view tests', () => {
             commentId: 'c3',
           };
           sinon.stub(element.$.diffHost, '_commentsChanged');
-          element._change = generateChange({revisionsCount: 11});
+          element._change = {
+            ...createChange(),
+            revisions: createRevisions(11),
+          };
           return element._paramsChanged.returnValues[0].then(() => {
             assert.isFalse(diffNavStub.called);
           });
@@ -317,7 +336,10 @@ suite('gr-diff-view tests', () => {
       element.$.restAPI.getDiffChangeDetail.restore();
       sinon.stub(element.$.restAPI, 'getDiffChangeDetail')
           .returns(
-              Promise.resolve(generateChange({revisionsCount: 11})));
+              Promise.resolve({
+                ...createChange(),
+                revisions: createRevisions(11),
+              }));
       element._patchRange = {
         patchNum: 2,
         basePatchNum: 1,
@@ -472,7 +494,10 @@ suite('gr-diff-view tests', () => {
     });
 
     test('diff against latest', () => {
-      element._change = generateChange({revisionsCount: 12});
+      element._change = {
+        ...createChange(),
+        revisions: createRevisions(12),
+      };
       element._patchRange = {
         basePatchNum: 5,
         patchNum: 10,
@@ -486,7 +511,10 @@ suite('gr-diff-view tests', () => {
     });
 
     test('_handleDiffBaseAgainstLeft', () => {
-      element._change = generateChange({revisionsCount: 10});
+      element._change = {
+        ...createChange(),
+        revisions: createRevisions(10),
+      };
       element._patchRange = {
         patchNum: 3,
         basePatchNum: 1,
@@ -504,7 +532,10 @@ suite('gr-diff-view tests', () => {
 
     test('_handleDiffBaseAgainstLeft when initially navigating to a comment',
         () => {
-          element._change = generateChange({revisionsCount: 10});
+          element._change = {
+            ...createChange(),
+            revisions: createRevisions(10),
+          };
           element._patchRange = {
             patchNum: 3,
             basePatchNum: 1,
@@ -523,7 +554,10 @@ suite('gr-diff-view tests', () => {
         });
 
     test('_handleDiffRightAgainstLatest', () => {
-      element._change = generateChange({revisionsCount: 10});
+      element._change = {
+        ...createChange(),
+        revisions: createRevisions(10),
+      };
       element._patchRange = {
         basePatchNum: 1,
         patchNum: 3,
@@ -538,7 +572,10 @@ suite('gr-diff-view tests', () => {
     });
 
     test('_handleDiffBaseAgainstLatest', () => {
-      element._change = generateChange({revisionsCount: 10});
+      element._change = {
+        ...createChange(),
+        revisions: createRevisions(10),
+      };
       element._patchRange = {
         basePatchNum: 1,
         patchNum: 3,
@@ -1404,9 +1441,6 @@ suite('gr-diff-view tests', () => {
 
     suite('_initPatchRange', () => {
       setup(async () => {
-        // const changeDetail = generateChange({revisionsCount: 5});
-        // sinon.stub(element.$.restAPI, 'getDiffChangeDetail')
-        //     .returns(Promise.resolve(changeDetail));
         element.params = {
           view: GerritView.DIFF,
           changeNum: '42',
@@ -1701,7 +1735,10 @@ suite('gr-diff-view tests', () => {
         patchNum: 1,
         basePatchNum: 'PARENT',
       };
-      element._change = generateChange({revisionsCount: 1});
+      element._change = {
+        ...createChange(),
+        revisions: createRevisions(1),
+      };
       flush();
       assert.isTrue(GerritNav.navigateToDiff.notCalled);
 

polygerrit-ui/app/elements/plugins/gr-plugin-types.ts

@@ -93,4 +93,9 @@ export interface PluginApi {
   attributeHelper(element: Element): GrAttributeHelper;
   restApi(): GrPluginRestApi;
   eventHelper(element: Node): GrEventHelper;
+  registerDynamicCustomComponent(
+    endpointName: string,
+    moduleName?: string,
+    options?: RegisterOptions
+  ): HookApi;
 }

polygerrit-ui/app/elements/plugins/gr-popup-interface/gr-popup-interface_test.js

@@ -21,7 +21,7 @@ import {GrPopupInterface} from './gr-popup-interface.js';
 import {_testOnly_initGerritPluginApi} from '../../shared/gr-js-api-interface/gr-gerrit.js';
 import {html} from '@polymer/polymer/lib/utils/html-tag.js';
 import {PolymerElement} from '@polymer/polymer/polymer-element.js';
-import {createIronOverlayBackdropStyleEl} from '../../../test/test-utils';
+import {createIronOverlayBackdropStyleEl} from '../../../test/test-utils.js';
 
 class GrUserTestPopupElement extends PolymerElement {
   static get is() { return 'gr-user-test-popup'; }

polygerrit-ui/app/elements/settings/gr-account-info/gr-account-info.ts

@@ -27,6 +27,7 @@ import {htmlTemplate} from './gr-account-info_html';
 import {customElement, property, observe} from '@polymer/decorators';
 import {AccountInfo, ServerInfo} from '../../../types/common';
 import {RestApiService} from '../../../services/services/gr-rest-api/gr-rest-api';
+import {EditableAccountField} from '../../../constants/constants';
 
 export interface GrAccountInfo {
   $: {
@@ -211,12 +212,16 @@ export class GrAccountInfo extends GestureEventListeners(
 
     // Username may not be changed once it is set.
     return (
-      config.auth.editable_account_fields.includes('USER_NAME') && !username
+      config.auth.editable_account_fields.includes(
+        EditableAccountField.USER_NAME
+      ) && !username
     );
   }
 
   _computeNameMutable(config: ServerInfo) {
-    return config.auth.editable_account_fields.includes('FULL_NAME');
+    return config.auth.editable_account_fields.includes(
+      EditableAccountField.FULL_NAME
+    );
   }
 
   @observe('_account.status')

polygerrit-ui/app/elements/settings/gr-email-editor/gr-email-editor_test.ts

@@ -17,13 +17,14 @@
 
 import '../../../test/common-test-setup-karma.js';
 import './gr-email-editor.js';
+import {GrEmailEditor} from './gr-email-editor';
 
 const basicFixture = fixtureFromElement('gr-email-editor');
 
 suite('gr-email-editor tests', () => {
-  let element;
+  let element: GrEmailEditor;
 
-  setup(done => {
+  setup(async () => {
     const emails = [
       {email: 'email@one.com'},
       {email: 'email@two.com', preferred: true},
@@ -31,36 +32,47 @@ suite('gr-email-editor tests', () => {
     ];
 
     stub('gr-rest-api-interface', {
-      getAccountEmails() { return Promise.resolve(emails); },
+      getAccountEmails() {
+        return Promise.resolve(emails);
+      },
     });
 
     element = basicFixture.instantiate();
 
-    element.loadData().then(flush(done));
+    await element.loadData();
+    await flush();
   });
 
   test('renders', () => {
-    const rows = element.shadowRoot
-        .querySelector('table').querySelectorAll('tbody tr');
+    const rows = element
+      .shadowRoot!.querySelector('table')!
+      .querySelectorAll('tbody tr') as NodeListOf<HTMLTableRowElement>;
 
     assert.equal(rows.length, 3);
 
-    assert.isFalse(rows[0].querySelector('input[type=radio]').checked);
-    assert.isNotOk(rows[0].querySelector('gr-button').disabled);
+    assert.isFalse(
+      (rows[0].querySelector('input[type=radio]') as HTMLInputElement).checked
+    );
+    assert.isNotOk(rows[0].querySelector('gr-button')!.disabled);
 
-    assert.isTrue(rows[1].querySelector('input[type=radio]').checked);
-    assert.isOk(rows[1].querySelector('gr-button').disabled);
+    assert.isTrue(
+      (rows[1].querySelector('input[type=radio]') as HTMLInputElement).checked
+    );
+    assert.isOk(rows[1].querySelector('gr-button')!.disabled);
 
-    assert.isFalse(rows[2].querySelector('input[type=radio]').checked);
-    assert.isNotOk(rows[2].querySelector('gr-button').disabled);
+    assert.isFalse(
+      (rows[2].querySelector('input[type=radio]') as HTMLInputElement).checked
+    );
+    assert.isNotOk(rows[2].querySelector('gr-button')!.disabled);
 
     assert.isFalse(element.hasUnsavedChanges);
   });
 
   test('edit preferred', () => {
     const preferredChangedSpy = sinon.spy(element, '_handlePreferredChange');
-    const radios = element.shadowRoot
-        .querySelector('table').querySelectorAll('input[type=radio]');
+    const radios = element
+      .shadowRoot!.querySelector('table')!
+      .querySelectorAll('input[type=radio]') as NodeListOf<HTMLInputElement>;
 
     assert.isFalse(element.hasUnsavedChanges);
     assert.isNotOk(element._newPreferred);
@@ -82,8 +94,9 @@ suite('gr-email-editor tests', () => {
   });
 
   test('delete email', () => {
-    const buttons = element.shadowRoot
-        .querySelector('table').querySelectorAll('gr-button');
+    const buttons = element
+      .shadowRoot!.querySelector('table')!
+      .querySelectorAll('gr-button');
 
     assert.isFalse(element.hasUnsavedChanges);
     assert.isNotOk(element._newPreferred);
@@ -101,12 +114,15 @@ suite('gr-email-editor tests', () => {
   });
 
   test('save changes', done => {
-    const deleteEmailStub =
-        sinon.stub(element.$.restAPI, 'deleteAccountEmail');
-    const setPreferredStub = sinon.stub(element.$.restAPI,
-        'setPreferredAccountEmail');
-    const rows = element.shadowRoot
-        .querySelector('table').querySelectorAll('tbody tr');
+    const deleteEmailStub = sinon.stub(element.$.restAPI, 'deleteAccountEmail');
+    const setPreferredStub = sinon.stub(
+      element.$.restAPI,
+      'setPreferredAccountEmail'
+    );
+
+    const rows = element
+      .shadowRoot!.querySelector('table')!
+      .querySelectorAll('tbody tr');
 
     assert.isFalse(element.hasUnsavedChanges);
     assert.isNotOk(element._newPreferred);
@@ -114,8 +130,8 @@ suite('gr-email-editor tests', () => {
     assert.equal(element._emails.length, 3);
 
     // Delete the first email and set the last as preferred.
-    rows[0].querySelector('gr-button').click();
-    rows[2].querySelector('input[type=radio]').click();
+    rows[0].querySelector('gr-button')!.click();
+    (rows[2].querySelector('input[type=radio]')! as HTMLInputElement).click();
 
     assert.isTrue(element.hasUnsavedChanges);
     assert.equal(element._newPreferred, 'email@three.com');
@@ -135,4 +151,3 @@ suite('gr-email-editor tests', () => {
     });
   });
 });
-

polygerrit-ui/app/elements/settings/gr-registration-dialog/gr-registration-dialog.ts

@@ -26,6 +26,7 @@ import {htmlTemplate} from './gr-registration-dialog_html';
 import {customElement, property, observe} from '@polymer/decorators';
 import {ServerInfo, AccountDetailInfo} from '../../../types/common';
 import {RestApiService} from '../../../services/services/gr-rest-api/gr-rest-api';
+import {EditableAccountField} from '../../../constants/constants';
 
 export interface GrRegistrationDialog {
   $: {
@@ -97,7 +98,9 @@ export class GrRegistrationDialog extends GestureEventListeners(
     }
 
     return (
-      config.auth.editable_account_fields.includes('USER_NAME') && !username
+      config.auth.editable_account_fields.includes(
+        EditableAccountField.USER_NAME
+      ) && !username
     );
   }
 

polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface.ts

@@ -351,9 +351,7 @@ export class GrRestApiInterface
     );
   }
 
-  private _fetchSharedCacheURL(
-    req: FetchJSONRequest
-  ): Promise<ParsedJSON | undefined> {
+  _fetchSharedCacheURL(req: FetchJSONRequest): Promise<ParsedJSON | undefined> {
     // Cache is shared across instances
     return this._restApiHelper.fetchCacheURL(req);
   }

polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-reviewer-updates-parser.ts

@@ -22,7 +22,10 @@ import {
   ChangeInfo,
   ChangeMessageInfo,
   ChangeViewChangeInfo,
+  CommitInfo,
+  PatchSetNum,
   ReviewerUpdateInfo,
+  RevisionInfo,
   Timestamp,
 } from '../../../types/common';
 import {hasOwnProperty} from '../../../utils/common-util';
@@ -78,8 +81,16 @@ interface UpdateItem {
   prev_state?: ReviewerState;
 }
 
+export interface EditRevisionInfo extends Partial<RevisionInfo> {
+  // EditRevisionInfo has less required properties then RevisionInfo
+  _number: PatchSetNum;
+  basePatchNum: PatchSetNum;
+  commit: CommitInfo;
+}
+
 export interface ParsedChangeInfo
-  extends Omit<ChangeViewChangeInfo, 'reviewer_updates'> {
+  extends Omit<ChangeViewChangeInfo, 'reviewer_updates' | 'revisions'> {
+  revisions: {[revisionId: string]: RevisionInfo | EditRevisionInfo};
   reviewer_updates?: ReviewerUpdateInfo[] | FormattedReviewerUpdateInfo[];
 }
 

polygerrit-ui/app/mixins/keyboard-shortcut-mixin/keyboard-shortcut-mixin.ts

@@ -551,6 +551,14 @@ export class ShortcutManager {
 
   private readonly bindings = new Map<Shortcut, string[]>();
 
+  public _testOnly_getBindings() {
+    return this.bindings;
+  }
+
+  public _testOnly_isEmpty() {
+    return this.activeHosts.size === 0 && this.listeners.size === 0;
+  }
+
   private readonly listeners = new Set<ShortcutListener>();
 
   bindShortcut(shortcut: Shortcut, ...bindings: string[]) {

polygerrit-ui/app/rules.bzl

@@ -34,7 +34,7 @@ def _get_ts_output_files(outdir, srcs):
         result.append(_get_ts_compiled_path(outdir, f))
     return result
 
-def compile_ts(name, srcs, ts_outdir):
+def compile_ts(name, srcs, ts_outdir, include_tests = False):
     """Compiles srcs files with the typescript compiler
 
     Args:
@@ -50,16 +50,31 @@ def compile_ts(name, srcs, ts_outdir):
     # List of files produced by the typescript compiler
     generated_js = _get_ts_output_files(ts_outdir, srcs)
 
+    all_srcs = srcs + [
+        ":tsconfig.json",
+        ":tsconfig_bazel.json",
+        "@ui_npm//:node_modules",
+    ]
+    ts_project = "tsconfig_bazel.json"
+
+    if include_tests:
+        all_srcs = all_srcs + [
+            ":tsconfig_bazel_test.json",
+            "@ui_dev_npm//:node_modules",
+        ]
+        ts_project = "tsconfig_bazel_test.json"
+
     # Run the compiler
     native.genrule(
         name = ts_rule_name,
-        srcs = srcs + [
-            ":tsconfig.json",
-            "@ui_npm//:node_modules",
-        ],
+        srcs = all_srcs,
         outs = generated_js,
         cmd = " && ".join([
-            "$(location //tools/node_tools:tsc-bin) --project $(location :tsconfig.json) --outdir $(RULEDIR)/" + ts_outdir + " --baseUrl ./external/ui_npm/node_modules",
+            "$(location //tools/node_tools:tsc-bin) --project $(location :" +
+            ts_project +
+            ") --outdir $(RULEDIR)/" +
+            ts_outdir +
+            " --baseUrl ./external/ui_npm/node_modules/",
         ]),
         tools = ["//tools/node_tools:tsc-bin"],
     )

polygerrit-ui/app/scripts/polymer-resin-install.ts

@@ -57,10 +57,16 @@ declare global {
 
 const security = window.security;
 
-export function installPolymerResin(safeTypesBridge: SafeTypeBridge) {
+export const _testOnly_defaultResinReportHandler =
+  security.polymer_resin.CONSOLE_LOGGING_REPORT_HANDLER;
+
+export function installPolymerResin(
+  safeTypesBridge: SafeTypeBridge,
+  reportHandler = security.polymer_resin.CONSOLE_LOGGING_REPORT_HANDLER
+) {
   window.security.polymer_resin.install({
     allowedIdentifierPrefixes: [''],
-    reportHandler: security.polymer_resin.CONSOLE_LOGGING_REPORT_HANDLER,
+    reportHandler,
     safeTypesBridge,
   });
 }

polygerrit-ui/app/services/gr-reporting/gr-reporting_impl.ts

@@ -127,8 +127,8 @@ export function initErrorReporter(appContext: AppContext) {
       oldOnError(msg, url, line, column, error);
     }
     if (error) {
-      line = line || (error as any).lineNumber;
-      column = column || (error as any).columnNumber;
+      line = line || error.lineNumber;
+      column = column || error.columnNumber;
       let shortenedErrorStack = msg;
       if (error.stack) {
         const errorStackLines = error.stack.split('\n');

polygerrit-ui/app/services/gr-reporting/gr-reporting_mock.ts

@@ -14,7 +14,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-export const grReportingMock = {
+import {ReportingService, Timer} from './gr-reporting';
+
+export class MockTimer implements Timer {
+  end(): this {
+    return this;
+  }
+
+  reset(): this {
+    return this;
+  }
+
+  withMaximum(_: number): this {
+    return this;
+  }
+}
+
+export const grReportingMock: ReportingService = {
   appStarted: () => {},
   beforeLocationChanged: () => {},
   changeDisplayed: () => {},
@@ -25,7 +41,7 @@ export const grReportingMock = {
   diffViewFullyLoaded: () => {},
   fileListDisplayed: () => {},
   getTimer: () => {
-    return {end: () => {}};
+    return new MockTimer();
   },
   locationChanged: () => {},
   onVisibilityChange: () => {},

polygerrit-ui/app/test/@types/sinon-esm.d.ts

@@ -0,0 +1,27 @@
+/**
+ * @license
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+declare module 'sinon/pkg/sinon-esm' {
+  // sinon-esm doesn't have it's own d.ts, reexport all types from sinon
+  // This is a trick - @types/sinon adds interfaces and sinon instance
+  // to a global variables/namespace. We reexport it here, so we
+  // can use in our code when importing sinon-esm
+  // eslint-disable-next-line import/no-default-export
+  export default sinon;
+  const sinon: Sinon.SinonStatic;
+  export {SinonSpy, SinonFakeTimers, SinonStubbedMember};
+}

polygerrit-ui/app/test/common-test-setup-karma.ts

@@ -14,14 +14,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import './common-test-setup.js';
-import '@polymer/test-fixture/test-fixture.js';
-import 'chai/chai.js';
-self.assert = window.chai.assert;
-self.expect = window.chai.expect;
+import './common-test-setup';
+import '@polymer/test-fixture/test-fixture';
+import 'chai/chai';
+
+declare global {
+  interface Window {
+    flush: typeof flushImpl;
+    fixtureFromTemplate: typeof fixtureFromTemplateImpl;
+    fixtureFromElement: typeof fixtureFromElementImpl;
+  }
+  let flush: typeof flushImpl;
+  let fixtureFromTemplate: typeof fixtureFromTemplateImpl;
+  let fixtureFromElement: typeof fixtureFromElementImpl;
+}
 
 // Workaround for https://github.com/karma-runner/karma-mocha/issues/227
-let unhandledError = null;
+let unhandledError: ErrorEvent;
 
 window.addEventListener('error', e => {
   // For uncaught error mochajs doesn't print the full stack trace.
@@ -31,7 +40,7 @@ window.addEventListener('error', e => {
   unhandledError = e;
 });
 
-let originalOnBeforeUnload;
+let originalOnBeforeUnload: typeof window.onbeforeunload;
 
 suiteSetup(() => {
   // This suiteSetup() method is called only once before all tests
@@ -39,7 +48,7 @@ suiteSetup(() => {
   // Can't use window.addEventListener("beforeunload",...) here,
   // the handler is raised too late.
   originalOnBeforeUnload = window.onbeforeunload;
-  window.onbeforeunload = e => {
+  window.onbeforeunload = function (e: BeforeUnloadEvent) {
     // If a test reloads a page, we can't prevent it.
     // However we can print earror and the stack trace with assert.fail
     try {
@@ -48,7 +57,9 @@ suiteSetup(() => {
       console.error('Page reloading attempt detected.');
       console.error(e.stack.toString());
     }
-    originalOnBeforeUnload(e);
+    if (originalOnBeforeUnload) {
+      originalOnBeforeUnload.call(this, e);
+    }
   };
 });
 
@@ -64,18 +75,21 @@ suiteTeardown(() => {
 // Keep the original one for use in test utils methods.
 const nativeSetTimeout = window.setTimeout;
 
+function flushImpl(): Promise<void>;
+function flushImpl(callback: () => void): void;
 /**
  * Triggers a flush of any pending events, observations, etc and calls you back
  * after they have been processed if callback is passed; otherwise returns
  * promise.
- *
- * @param {function()} callback
  */
-function flush(callback) {
+function flushImpl(callback?: () => void): Promise<void> | void {
   // Ideally, this function would be a call to Polymer.dom.flush, but that
   // doesn't support a callback yet
   // (https://github.com/Polymer/polymer-dev/issues/851)
-  window.Polymer.dom.flush();
+  // The type is used only in one place, disable eslint warning instead of
+  // creating an interface
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  (window as any).Polymer.dom.flush();
   if (callback) {
     nativeSetTimeout(callback, 0);
   } else {
@@ -85,19 +99,12 @@ function flush(callback) {
   }
 }
 
-self.flush = flush;
+self.flush = flushImpl;
 
 class TestFixtureIdProvider {
-  static get instance() {
-    if (!TestFixtureIdProvider._instance) {
-      TestFixtureIdProvider._instance = new TestFixtureIdProvider();
-    }
-    return TestFixtureIdProvider._instance;
-  }
+  public static readonly instance: TestFixtureIdProvider = new TestFixtureIdProvider();
 
-  constructor() {
-    this.fixturesCount = 1;
-  }
+  private fixturesCount = 1;
 
   generateNewFixtureId() {
     this.fixturesCount++;
@@ -105,22 +112,24 @@ class TestFixtureIdProvider {
   }
 }
 
+interface TagTestFixture<T extends Element> {
+  instantiate(model?: unknown): T;
+}
+
 class TestFixture {
-  constructor(fixtureId) {
-    this.fixtureId = fixtureId;
-  }
+  constructor(private readonly fixtureId: string) {}
 
   /**
    * Create an instance of a fixture's template.
    *
-   * @param {Object} model - see Data-bound sections at
+   * @param model - see Data-bound sections at
    *   https://www.webcomponents.org/element/@polymer/test-fixture
-   * @return {HTMLElement | HTMLElement[]} - if the fixture's template contains
+   * @return - if the fixture's template contains
    *   a single element, returns the appropriated instantiated element.
    *   Otherwise, it return an array of all instantiated elements from the
    *   template.
    */
-  instantiate(model) {
+  instantiate(model?: unknown): HTMLElement | HTMLElement[] {
     // The window.fixture method is defined in common-test-setup.js
     return window.fixture(this.fixtureId, model);
   }
@@ -153,10 +162,9 @@ class TestFixture {
  *   });
  * }
  *
- * @param {HTMLTemplateElement} template - a template for a fixture
- * @return {TestFixture} - the instance of TestFixture class
+ * @param template - a template for a fixture
  */
-function fixtureFromTemplate(template) {
+function fixtureFromTemplateImpl(template: HTMLTemplateElement): TestFixture {
   const fixtureId = TestFixtureIdProvider.instance.generateNewFixtureId();
   const testFixture = document.createElement('test-fixture');
   testFixture.setAttribute('id', fixtureId);
@@ -183,14 +191,17 @@ function fixtureFromTemplate(template) {
  *   });
  * }
  *
- * @param {HTMLTemplateElement} template - a template for a fixture
- * @return {TestFixture} - the instance of TestFixture class
+ * @param tagName - a template for a fixture is <tagName></tagName>
  */
-function fixtureFromElement(tagName) {
+function fixtureFromElementImpl<T extends keyof HTMLElementTagNameMap>(
+  tagName: T
+): TagTestFixture<HTMLElementTagNameMap[T]> {
   const template = document.createElement('template');
   template.innerHTML = `<${tagName}></${tagName}>`;
-  return fixtureFromTemplate(template);
+  return (fixtureFromTemplate(template) as unknown) as TagTestFixture<
+    HTMLElementTagNameMap[T]
+  >;
 }
 
-window.fixtureFromTemplate = fixtureFromTemplate;
-window.fixtureFromElement = fixtureFromElement;
+window.fixtureFromTemplate = fixtureFromTemplateImpl;
+window.fixtureFromElement = fixtureFromElementImpl;

polygerrit-ui/app/test/common-test-setup.ts

@@ -15,51 +15,81 @@
  * limitations under the License.
  */
 // This should be the first import to install handler before any other code
-import './source-map-support-install.js';
+import './source-map-support-install';
 // TODO(dmfilippov): remove bundled-polymer.js imports when the following issue
 // https://github.com/Polymer/polymer-resin/issues/9 is resolved.
-import '../scripts/bundled-polymer.js';
-import 'polymer-resin/standalone/polymer-resin.js';
-import '@polymer/iron-test-helpers/iron-test-helpers.js';
-import './test-router.js';
+import '../scripts/bundled-polymer';
+import '@polymer/iron-test-helpers/iron-test-helpers';
+import './test-router';
 import {_testOnlyInitAppContext} from './test-app-context-init';
-import {_testOnly_resetPluginLoader} from '../elements/shared/gr-js-api-interface/gr-plugin-loader.js';
-import {_testOnlyResetRestApi} from '../elements/shared/gr-js-api-interface/gr-plugin-rest-api.js';
-import {_testOnlyResetGrRestApiSharedObjects} from '../elements/shared/gr-rest-api-interface/gr-rest-api-interface.js';
-import {cleanupTestUtils, TestKeyboardShortcutBinder} from './test-utils.js';
+import {_testOnly_resetPluginLoader} from '../elements/shared/gr-js-api-interface/gr-plugin-loader';
+import {_testOnlyResetRestApi} from '../elements/shared/gr-js-api-interface/gr-plugin-rest-api';
+import {_testOnlyResetGrRestApiSharedObjects} from '../elements/shared/gr-rest-api-interface/gr-rest-api-interface';
+import {
+  cleanupTestUtils,
+  getCleanupsCount,
+  registerTestCleanup,
+  TestKeyboardShortcutBinder,
+} from './test-utils';
 import {flushDebouncers} from '@polymer/polymer/lib/utils/debounce';
-import {_testOnly_getShortcutManagerInstance} from '../mixins/keyboard-shortcut-mixin/keyboard-shortcut-mixin.js';
-import sinon from 'sinon/pkg/sinon-esm.js';
-import {safeTypesBridge} from '../utils/safe-types-util.js';
-import {_testOnly_initGerritPluginApi} from '../elements/shared/gr-js-api-interface/gr-gerrit.js';
-import {initGlobalVariables} from '../elements/gr-app-global-var-init.js';
+import {_testOnly_getShortcutManagerInstance} from '../mixins/keyboard-shortcut-mixin/keyboard-shortcut-mixin';
+import sinon, {SinonSpy} from 'sinon/pkg/sinon-esm';
+import {safeTypesBridge} from '../utils/safe-types-util';
+import {_testOnly_initGerritPluginApi} from '../elements/shared/gr-js-api-interface/gr-gerrit';
+import {initGlobalVariables} from '../elements/gr-app-global-var-init';
+import 'chai/chai';
+import {
+  _testOnly_defaultResinReportHandler,
+  installPolymerResin,
+} from '../scripts/polymer-resin-install';
+import {hasOwnProperty} from '../utils/common-util';
+
+declare global {
+  interface Window {
+    assert: typeof chai.assert;
+    expect: typeof chai.expect;
+    fixture: typeof fixtureImpl;
+    stub: typeof stubImpl;
+    sinon: typeof sinon;
+  }
+  let assert: typeof chai.assert;
+  let expect: typeof chai.expect;
+  let stub: typeof stubImpl;
+  let sinon: typeof sinon;
+}
+window.assert = chai.assert;
+window.expect = chai.expect;
+
 window.sinon = sinon;
 
-security.polymer_resin.install({
-  allowedIdentifierPrefixes: [''],
-  reportHandler(isViolation, fmt, ...args) {
-    const log = security.polymer_resin.CONSOLE_LOGGING_REPORT_HANDLER;
-    log(isViolation, fmt, ...args);
-    if (isViolation) {
-      // This will cause the test to fail if there is a data binding
-      // violation.
-      throw new Error(
-          'polymer-resin violation: ' + fmt +
-        JSON.stringify(args));
-    }
-  },
-  safeTypesBridge,
+installPolymerResin(safeTypesBridge, (isViolation, fmt, ...args) => {
+  const log = _testOnly_defaultResinReportHandler;
+  log(isViolation, fmt, ...args);
+  if (isViolation) {
+    // This will cause the test to fail if there is a data binding
+    // violation.
+    throw new Error('polymer-resin violation: ' + fmt + JSON.stringify(args));
+  }
 });
 
-const cleanups = [];
+interface TestFixtureElement extends HTMLElement {
+  restore(): void;
+  create(model?: unknown): HTMLElement | HTMLElement[];
+}
+
+function getFixtureElementById(fixtureId: string) {
+  return document.getElementById(fixtureId) as TestFixtureElement;
+}
 
 // For karma always set our implementation
 // (karma doesn't provide the fixture method)
-window.fixture = function(fixtureId, model) {
+function fixtureImpl(fixtureId: string, model: unknown) {
   // This method is inspired by web-component-tester method
-  cleanups.push(() => document.getElementById(fixtureId).restore());
-  return document.getElementById(fixtureId).create(model);
-};
+  registerTestCleanup(() => getFixtureElementById(fixtureId).restore());
+  return getFixtureElementById(fixtureId).create(model);
+}
+
+window.fixture = fixtureImpl;
 
 setup(() => {
   window.Gerrit = {};
@@ -67,16 +97,18 @@ setup(() => {
 
   // If the following asserts fails - then window.stub is
   // overwritten by some other code.
-  assert.equal(cleanups.length, 0);
+  assert.equal(getCleanupsCount(), 0);
   // The following calls is nessecary to avoid influence of previously executed
   // tests.
   TestKeyboardShortcutBinder.push();
   _testOnlyInitAppContext();
   _testOnly_initGerritPluginApi();
   const mgr = _testOnly_getShortcutManagerInstance();
-  assert.equal(mgr.activeHosts.size, 0);
-  assert.equal(mgr.listeners.size, 0);
-  document.getSelection().removeAllRanges();
+  assert.isTrue(mgr._testOnly_isEmpty());
+  const selection = document.getSelection();
+  if (selection) {
+    selection.removeAllRanges();
+  }
   const pl = _testOnly_resetPluginLoader();
   // For testing, always init with empty plugin list
   // Since when serve in gr-app, we always retrieve the list
@@ -92,49 +124,66 @@ setup(() => {
 
 // For karma always set our implementation
 // (karma doesn't provide the stub method)
-window.stub = function(tagName, implementation) {
+function stubImpl<T extends keyof HTMLElementTagNameMap>(
+  tagName: T,
+  implementation: Partial<HTMLElementTagNameMap[T]>
+) {
   // This method is inspired by web-component-tester method
-  const proto = document.createElement(tagName).constructor.prototype;
-  const stubs = Object.keys(implementation)
-      .map(key => sinon.stub(proto, key).callsFake(implementation[key]));
-  cleanups.push(() => {
+  const proto = document.createElement(tagName).constructor
+    .prototype as HTMLElementTagNameMap[T];
+  let key: keyof HTMLElementTagNameMap[T];
+  const stubs: SinonSpy[] = [];
+  for (key in implementation) {
+    if (hasOwnProperty(implementation, key)) {
+      stubs.push(sinon.stub(proto, key).callsFake(implementation[key]));
+    }
+  }
+  registerTestCleanup(() => {
     stubs.forEach(stub => {
       stub.restore();
     });
   });
-};
+}
+
+window.stub = stubImpl;
 
 // Very simple function to catch unexpected elements in documents body.
 // It can't catch everything, but in most cases it is enough.
-function checkChildAllowed(element) {
+function checkChildAllowed(element: Element) {
   const allowedTags = ['SCRIPT', 'IRON-A11Y-ANNOUNCER'];
   if (allowedTags.includes(element.tagName)) {
     return;
   }
   if (element.tagName === 'TEST-FIXTURE') {
-    if (element.children.length == 0 ||
-        (element.children.length == 1 &&
-        element.children[0].tagName === 'TEMPLATE')) {
+    if (
+      element.children.length === 0 ||
+      (element.children.length === 1 &&
+        element.children[0].tagName === 'TEMPLATE')
+    ) {
       return;
     }
-    assert.fail(`Test fixture
+    assert.fail(
+      `Test fixture
         ${element.outerHTML}` +
-        `isn't resotred after the test is finished. Please ensure that ` +
-        `restore() method is called for this test-fixture. Usually the call` +
-        `happens automatically.`);
+        "isn't resotred after the test is finished. Please ensure that " +
+        'restore() method is called for this test-fixture. Usually the call' +
+        'happens automatically.'
+    );
     return;
   }
-  if (element.tagName === 'DIV' && element.id === 'gr-hovercard-container' &&
-      element.childNodes.length === 0) {
+  if (
+    element.tagName === 'DIV' &&
+    element.id === 'gr-hovercard-container' &&
+    element.childNodes.length === 0
+  ) {
     return;
   }
   assert.fail(
-      `The following node remains in document after the test:
+    `The following node remains in document after the test:
       ${element.tagName}
       Outer HTML:
-      ${element.outerHTML},
-      Stack trace:
-      ${element.stackTrace}`);
+      ${element.outerHTML}`
+  );
 }
 function checkGlobalSpace() {
   for (const child of document.body.children) {
@@ -145,8 +194,6 @@ function checkGlobalSpace() {
 teardown(() => {
   sinon.restore();
   cleanupTestUtils();
-  cleanups.forEach(cleanup => cleanup());
-  cleanups.splice(0);
   TestKeyboardShortcutBinder.pop();
   checkGlobalSpace();
   // Clean Polymer debouncer queue, so next tests will not be affected.

polygerrit-ui/app/test/source-map-support-install.ts

@@ -15,6 +15,19 @@
  * limitations under the License.
  */
 
+// Mark the file as a module. Otherwise typescript assumes this is a script
+// and doesn't allow "declare global".
+// See: https://www.typescriptlang.org/docs/handbook/modules.html
+export {};
+
+declare global {
+  interface Window {
+    sourceMapSupport: {
+      install(): void;
+    };
+  }
+}
+
 // The karma.conf.js file loads required module before any other modules
 // The source-map-support.js can't be imported with import ... statement
 window.sourceMapSupport.install();

polygerrit-ui/app/test/test-app-context-init.ts

@@ -16,14 +16,17 @@
  */
 
 // Init app context before any other imports
-import {initAppContext} from '../services/app-context-init.js';
-import {grReportingMock} from '../services/gr-reporting/gr-reporting_mock.js';
-import {appContext} from '../services/app-context.js';
+import {initAppContext} from '../services/app-context-init';
+import {grReportingMock} from '../services/gr-reporting/gr-reporting_mock';
+import {AppContext, appContext} from '../services/app-context';
 
 export function _testOnlyInitAppContext() {
   initAppContext();
 
-  function setMock(serviceName, setupMock) {
+  function setMock<T extends keyof AppContext>(
+    serviceName: T,
+    setupMock: AppContext[T]
+  ) {
     Object.defineProperty(appContext, serviceName, {
       get() {
         return setupMock;

polygerrit-ui/app/test/test-data-generators.ts

@@ -0,0 +1,407 @@
+/**
+ * @license
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {
+  AccountId,
+  AccountInfo,
+  AccountsConfigInfo,
+  ApprovalInfo,
+  AuthInfo,
+  BranchName,
+  ChangeConfigInfo,
+  ChangeId,
+  ChangeInfo,
+  ChangeInfoId,
+  ChangeMessageId,
+  ChangeMessageInfo,
+  ChangeViewChangeInfo,
+  CommentLinkInfo,
+  CommentLinks,
+  CommitId,
+  CommitInfo,
+  ConfigInfo,
+  DownloadInfo,
+  EditPatchSetNum,
+  GerritInfo,
+  EmailAddress,
+  GitPersonInfo,
+  GitRef,
+  InheritedBooleanInfo,
+  MaxObjectSizeLimitInfo,
+  MergeableInfo,
+  NumericChangeId,
+  PatchSetNum,
+  PluginConfigInfo,
+  PreferencesInfo,
+  RepoName,
+  Reviewers,
+  RevisionInfo,
+  SchemesInfoMap,
+  ServerInfo,
+  SubmitTypeInfo,
+  SuggestInfo,
+  Timestamp,
+  TimezoneOffset,
+  UserConfigInfo,
+} from '../types/common';
+import {
+  AccountsVisibility,
+  AppTheme,
+  AuthType,
+  ChangeStatus,
+  DateFormat,
+  DefaultBase,
+  DefaultDisplayNameConfig,
+  DiffViewMode,
+  EmailStrategy,
+  InheritedBooleanInfoConfiguredValue,
+  MergeabilityComputationBehavior,
+  RevisionKind,
+  SubmitType,
+  TimeFormat,
+} from '../constants/constants';
+import {formatDate} from '../utils/date-util';
+import {GetDiffCommentsOutput} from '../services/services/gr-rest-api/gr-rest-api';
+import {AppElementChangeViewParams} from '../elements/gr-app-types';
+import {GerritView} from '../elements/core/gr-navigation/gr-navigation';
+import {
+  EditRevisionInfo,
+  ParsedChangeInfo,
+} from '../elements/shared/gr-rest-api-interface/gr-reviewer-updates-parser';
+
+export function dateToTimestamp(date: Date): Timestamp {
+  const nanosecondSuffix = '.000000000';
+  return (formatDate(date, 'YYYY-MM-DD HH:mm:ss') +
+    nanosecondSuffix) as Timestamp;
+}
+
+export function createCommentLink(match = 'test'): CommentLinkInfo {
+  return {
+    match,
+  };
+}
+
+export function createInheritedBoolean(value = false): InheritedBooleanInfo {
+  return {
+    value,
+    configured_value: value
+      ? InheritedBooleanInfoConfiguredValue.TRUE
+      : InheritedBooleanInfoConfiguredValue.FALSE,
+  };
+}
+
+export function createMaxObjectSizeLimit(): MaxObjectSizeLimitInfo {
+  return {};
+}
+
+export function createSubmitType(
+  value: Exclude<SubmitType, SubmitType.INHERIT> = SubmitType.MERGE_IF_NECESSARY
+): SubmitTypeInfo {
+  return {
+    value,
+    configured_value: SubmitType.INHERIT,
+    inherited_value: value,
+  };
+}
+
+export function createCommentLinks(): CommentLinks {
+  return {};
+}
+
+export function createConfig(): ConfigInfo {
+  return {
+    private_by_default: createInheritedBoolean(),
+    work_in_progress_by_default: createInheritedBoolean(),
+    max_object_size_limit: createMaxObjectSizeLimit(),
+    default_submit_type: createSubmitType(),
+    submit_type: SubmitType.INHERIT,
+    commentlinks: createCommentLinks(),
+  };
+}
+
+export function createAccountWithId(id = 5): AccountInfo {
+  return {
+    _account_id: id as AccountId,
+  };
+}
+
+export function createAccountWithEmail(email = 'test@'): AccountInfo {
+  return {
+    email: email as EmailAddress,
+  };
+}
+
+export function createAccountWithIdNameAndEmail(id = 5): AccountInfo {
+  return {
+    _account_id: id as AccountId,
+    email: `user-${id}@` as EmailAddress,
+    name: `User-${id}`,
+  };
+}
+
+export function createReviewers(): Reviewers {
+  return {};
+}
+
+export const TEST_PROJECT_NAME: RepoName = 'test-project' as RepoName;
+export const TEST_BRANCH_ID: BranchName = 'test-branch' as BranchName;
+export const TEST_CHANGE_ID: ChangeId = 'TestChangeId' as ChangeId;
+export const TEST_CHANGE_INFO_ID: ChangeInfoId = `${TEST_PROJECT_NAME}~${TEST_BRANCH_ID}~${TEST_CHANGE_ID}` as ChangeInfoId;
+export const TEST_SUBJECT = 'Test subject';
+export const TEST_NUMERIC_CHANGE_ID = 42 as NumericChangeId;
+
+export const TEST_CHANGE_CREATED = new Date(2020, 1, 1, 1, 2, 3);
+export const TEST_CHANGE_UPDATED = new Date(2020, 10, 6, 5, 12, 34);
+
+export function createGitPerson(name = 'Test name'): GitPersonInfo {
+  return {
+    name,
+    email: `${name}@`,
+    date: dateToTimestamp(new Date(2019, 11, 6, 14, 5, 8)),
+    tz: 0 as TimezoneOffset,
+  };
+}
+
+export function createCommit(): CommitInfo {
+  return {
+    parents: [],
+    author: createGitPerson(),
+    committer: createGitPerson(),
+    subject: 'Test commit subject',
+    message: 'Test commit message',
+  };
+}
+
+export function createRevision(patchSetNum = 1): RevisionInfo {
+  return {
+    _number: patchSetNum as PatchSetNum,
+    commit: createCommit(),
+    created: dateToTimestamp(TEST_CHANGE_CREATED),
+    kind: RevisionKind.REWORK,
+    ref: 'refs/changes/5/6/1' as GitRef,
+    uploader: createAccountWithId(),
+  };
+}
+
+export function createEditRevision(): EditRevisionInfo {
+  return {
+    _number: EditPatchSetNum,
+    basePatchNum: 1 as PatchSetNum,
+    commit: createCommit(),
+  };
+}
+
+export function createChangeMessage(id = 'cm_id_1'): ChangeMessageInfo {
+  return {
+    id: id as ChangeMessageId,
+    date: dateToTimestamp(TEST_CHANGE_CREATED),
+    message: `This is a message with id ${id}`,
+  };
+}
+
+export function createRevisions(
+  count: number
+): {[revisionId: string]: RevisionInfo} {
+  const revisions: {[revisionId: string]: RevisionInfo} = {};
+  const revisionDate = TEST_CHANGE_CREATED;
+  const revisionIdStart = 1; // The same as getCurrentRevision
+  for (let i = 0; i < count; i++) {
+    const revisionId = (i + revisionIdStart).toString(16);
+    const revision: RevisionInfo = {
+      ...createRevision(i + 1),
+      created: dateToTimestamp(revisionDate),
+      ref: `refs/changes/5/6/${i + 1}` as GitRef,
+    };
+    revisions[revisionId] = revision;
+    // advance 1 day
+    revisionDate.setDate(revisionDate.getDate() + 1);
+  }
+  return revisions;
+}
+
+export function getCurrentRevision(count: number): CommitId {
+  const revisionIdStart = 1; // The same as createRevisions
+  return (count + revisionIdStart).toString(16) as CommitId;
+}
+
+export function createChangeMessages(count: number): ChangeMessageInfo[] {
+  const messageIdStart = 1000;
+  const messages: ChangeMessageInfo[] = [];
+  const messageDate = TEST_CHANGE_CREATED;
+  for (let i = 0; i < count; i++) {
+    messages.push({
+      ...createChangeMessage((i + messageIdStart).toString(16)),
+      date: dateToTimestamp(messageDate),
+    });
+    messageDate.setDate(messageDate.getDate() + 1);
+  }
+  return messages;
+}
+
+export function createChange(): ChangeInfo {
+  return {
+    id: TEST_CHANGE_INFO_ID,
+    project: TEST_PROJECT_NAME,
+    branch: TEST_BRANCH_ID,
+    change_id: TEST_CHANGE_ID,
+    subject: TEST_SUBJECT,
+    status: ChangeStatus.NEW,
+    created: dateToTimestamp(TEST_CHANGE_CREATED),
+    updated: dateToTimestamp(TEST_CHANGE_UPDATED),
+    insertions: 0,
+    deletions: 0,
+    _number: TEST_NUMERIC_CHANGE_ID,
+    owner: createAccountWithId(),
+    // This is documented as optional, but actually always set.
+    reviewers: createReviewers(),
+  };
+}
+
+export function createChangeViewChange(): ChangeViewChangeInfo {
+  return {
+    ...createChange(),
+    revisions: {
+      abc: createRevision(),
+    },
+    current_revision: 'abc' as CommitId,
+  };
+}
+
+export function createParsedChange(): ParsedChangeInfo {
+  return createChangeViewChange();
+}
+
+export function createAccountsConfig(): AccountsConfigInfo {
+  return {
+    visibility: AccountsVisibility.ALL,
+    default_display_name: DefaultDisplayNameConfig.FULL_NAME,
+  };
+}
+
+export function createAuth(): AuthInfo {
+  return {
+    auth_type: AuthType.OPENID,
+    editable_account_fields: [],
+  };
+}
+
+export function createChangeConfig(): ChangeConfigInfo {
+  return {
+    large_change: 500,
+    reply_label: 'Reply',
+    reply_tooltip: 'Reply and score',
+    // The default update_delay is 5 minutes, but we don't want to accidentally
+    // start polling in tests
+    update_delay: 0,
+    mergeability_computation_behavior:
+      MergeabilityComputationBehavior.REF_UPDATED_AND_CHANGE_REINDEX,
+    enable_attention_set: false,
+    enable_assignee: false,
+  };
+}
+
+export function createDownloadSchemes(): SchemesInfoMap {
+  return {};
+}
+
+export function createDownloadInfo(): DownloadInfo {
+  return {
+    schemes: createDownloadSchemes(),
+    archives: ['tgz', 'tar'],
+  };
+}
+
+export function createGerritInfo(): GerritInfo {
+  return {
+    all_projects: 'All-Projects',
+    all_users: 'All-Users',
+    doc_search: false,
+  };
+}
+
+export function createPluginConfig(): PluginConfigInfo {
+  return {
+    has_avatars: false,
+    js_resource_paths: [],
+    html_resource_paths: [],
+  };
+}
+
+export function createSuggestInfo(): SuggestInfo {
+  return {
+    from: 0,
+  };
+}
+
+export function createUserConfig(): UserConfigInfo {
+  return {
+    anonymous_coward_name: 'Name of user not set',
+  };
+}
+
+export function createServerInfo(): ServerInfo {
+  return {
+    accounts: createAccountsConfig(),
+    auth: createAuth(),
+    change: createChangeConfig(),
+    download: createDownloadInfo(),
+    gerrit: createGerritInfo(),
+    plugin: createPluginConfig(),
+    suggest: createSuggestInfo(),
+    user: createUserConfig(),
+  };
+}
+
+export function createGetDiffCommentsOutput(): GetDiffCommentsOutput {
+  return {
+    baseComments: [],
+    comments: [],
+  };
+}
+
+export function createMergeable(): MergeableInfo {
+  return {
+    submit_type: SubmitType.MERGE_IF_NECESSARY,
+    mergeable: false,
+  };
+}
+
+export function createPreferences(): PreferencesInfo {
+  return {
+    changes_per_page: 10,
+    theme: AppTheme.LIGHT,
+    date_format: DateFormat.ISO,
+    time_format: TimeFormat.HHMM_24,
+    diff_view: DiffViewMode.SIDE_BY_SIDE,
+    my: [],
+    change_table: [],
+    email_strategy: EmailStrategy.ENABLED,
+    default_base_for_merges: DefaultBase.AUTO_MERGE,
+  };
+}
+
+export function createApproval(): ApprovalInfo {
+  return createAccountWithId();
+}
+
+export function createAppElementChangeViewParams(): AppElementChangeViewParams {
+  return {
+    view: GerritView.CHANGE,
+    changeNum: TEST_NUMERIC_CHANGE_ID,
+    project: TEST_PROJECT_NAME,
+  };
+}

polygerrit-ui/app/test/test-router.ts

@@ -14,6 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import {GerritNav} from '../elements/core/gr-navigation/gr-navigation.js';
+import {GerritNav} from '../elements/core/gr-navigation/gr-navigation';
 
-GerritNav.setup(url => { /* noop */ }, params => '', () => []);
+GerritNav.setup(
+  () => {
+    /* noop */
+  },
+  () => '',
+  () => [],
+  () => {
+    return {};
+  }
+);

polygerrit-ui/app/test/test-utils.ts

@@ -14,48 +14,62 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import '../types/globals';
+import {_testOnly_resetPluginLoader} from '../elements/shared/gr-js-api-interface/gr-plugin-loader';
+import {testOnly_resetInternalState} from '../elements/shared/gr-js-api-interface/gr-api-utils';
+import {_testOnly_resetEndpoints} from '../elements/shared/gr-js-api-interface/gr-plugin-endpoints';
+import {
+  _testOnly_getShortcutManagerInstance,
+  Shortcut,
+} from '../mixins/keyboard-shortcut-mixin/keyboard-shortcut-mixin';
 
-import {_testOnly_resetPluginLoader} from '../elements/shared/gr-js-api-interface/gr-plugin-loader.js';
-import {testOnly_resetInternalState} from '../elements/shared/gr-js-api-interface/gr-api-utils.js';
-import {_testOnly_resetEndpoints} from '../elements/shared/gr-js-api-interface/gr-plugin-endpoints.js';
-import {_testOnly_getShortcutManagerInstance} from '../mixins/keyboard-shortcut-mixin/keyboard-shortcut-mixin.js';
+export interface MockPromise extends Promise<unknown> {
+  resolve: (value?: unknown) => void;
+}
 
 export const mockPromise = () => {
-  let res;
-  const promise = new Promise(resolve => {
+  let res: (value?: unknown) => void;
+  const promise: MockPromise = new Promise(resolve => {
     res = resolve;
-  });
-  promise.resolve = res;
+  }) as MockPromise;
+  promise.resolve = res!;
   return promise;
 };
-export const isHidden = el => getComputedStyle(el).display === 'none';
+export const isHidden = (el: Element) =>
+  getComputedStyle(el).display === 'none';
 
 // Some tests/elements can define its own binding. We want to restore bindings
 // at the end of the test. The TestKeyboardShortcutBinder store bindings in
 // stack, so it is possible to override bindings in nested suites.
 export class TestKeyboardShortcutBinder {
+  private static stack: TestKeyboardShortcutBinder[] = [];
+
   static push() {
-    if (!this.stack) {
-      this.stack = [];
-    }
     const testBinder = new TestKeyboardShortcutBinder();
     this.stack.push(testBinder);
     return _testOnly_getShortcutManagerInstance();
   }
 
   static pop() {
-    this.stack.pop()._restoreShortcuts();
+    const item = this.stack.pop();
+    if (!item) {
+      throw new Error('stack is empty');
+    }
+    item._restoreShortcuts();
   }
 
+  private readonly originalBinding: Map<Shortcut, string[]>;
+
   constructor() {
-    this._originalBinding = new Map(
-        _testOnly_getShortcutManagerInstance().bindings);
+    this.originalBinding = new Map(
+      _testOnly_getShortcutManagerInstance()._testOnly_getBindings()
+    );
   }
 
   _restoreShortcuts() {
-    const bindings = _testOnly_getShortcutManagerInstance().bindings;
+    const bindings = _testOnly_getShortcutManagerInstance()._testOnly_getBindings();
     bindings.clear();
-    this._originalBinding.forEach((value, key) => {
+    this.originalBinding.forEach((value, key) => {
       bindings.set(key, value);
     });
   }
@@ -70,9 +84,15 @@ export const resetPlugins = () => {
   pl.loadPlugins([]);
 };
 
-const cleanups = [];
+export type CleanupCallback = () => void;
 
-function registerTestCleanup(cleanupCallback) {
+const cleanups: CleanupCallback[] = [];
+
+export function getCleanupsCount() {
+  return cleanups.length;
+}
+
+export function registerTestCleanup(cleanupCallback: CleanupCallback) {
   cleanups.push(cleanupCallback);
 }
 
@@ -81,48 +101,10 @@ export function cleanupTestUtils() {
   cleanups.splice(0);
 }
 
-export function stubBaseUrl(newUrl) {
+export function stubBaseUrl(newUrl: string) {
   const originalCanonicalPath = window.CANONICAL_PATH;
   window.CANONICAL_PATH = newUrl;
-  registerTestCleanup(() => window.CANONICAL_PATH = originalCanonicalPath);
-}
-
-export function generateChange(options) {
-  const change = {
-    _number: 42,
-    project: 'testRepo',
-  };
-  const revisionIdStart = 1;
-  const messageIdStart = 1000;
-  // We want to distinguish between empty arrays/objects and undefined
-  // If an option is not set - the appropriate property is not set
-  // If an options is set - the property always set
-  if (options && typeof options.revisionsCount !== 'undefined') {
-    const revisions = {};
-    for (let i = 0; i < options.revisionsCount; i++) {
-      const revisionId = (i + revisionIdStart).toString(16);
-      revisions[revisionId] = {
-        _number: i+1,
-        commit: {parents: []},
-      };
-    }
-    change.revisions = revisions;
-  }
-  if (options && typeof options.messagesCount !== 'undefined') {
-    const messages = [];
-    for (let i = 0; i < options.messagesCount; i++) {
-      messages.push({
-        id: (i + messageIdStart).toString(16),
-        date: new Date(2020, 1, 1),
-        message: `This is a message N${i + 1}`,
-      });
-    }
-    change.messages = messages;
-  }
-  if (options && options.status) {
-    change.status = options.status;
-  }
-  return change;
+  registerTestCleanup(() => (window.CANONICAL_PATH = originalCanonicalPath));
 }
 
 /**
@@ -134,7 +116,8 @@ export function generateChange(options) {
 export function createIronOverlayBackdropStyleEl() {
   const ironOverlayBackdropStyleEl = document.createElement('style');
   document.head.appendChild(ironOverlayBackdropStyleEl);
-  ironOverlayBackdropStyleEl.sheet.insertRule(
-      'body { --iron-overlay-backdrop-opacity: 0; }');
+  ironOverlayBackdropStyleEl.sheet!.insertRule(
+    'body { --iron-overlay-backdrop-opacity: 0; }'
+  );
   return ironOverlayBackdropStyleEl;
 }

polygerrit-ui/app/tsconfig.json

@@ -37,14 +37,18 @@
     /* Advanced Options */
     "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */
     "incremental": true,
-    "experimentalDecorators": true
+    "experimentalDecorators": true,
+
+    "allowUmdGlobalAccess": true
   },
   // With the * pattern (without an extension), only supported files
   // are included. The supported files are .ts, .tsx, .d.ts.
   // If allowJs is set to true, .js and .jsx files are included as well.
   // Note: gerrit doesn't have .tsx and .jsx files
   "include": [
-    // This items below must be in sync with the src_dirs list in the BUILD file
+    // Items below must be in sync with the src_dirs list in the BUILD file
+    // Also items must be in sync with tsconfig_bazel.json, tsconfig_bazel_test.json
+    // (include and exclude arrays are overriden when extends)
     "constants/**/*",
     "elements/**/*",
     "embed/**/*",
@@ -56,7 +60,6 @@
     "styles/**/*",
     "types/**/*",
     "utils/**/*",
-    // Directory for test utils (not included in src_dirs in the BUILD file)
     "test/**/*"
   ]
 }

polygerrit-ui/app/tsconfig_bazel.json

@@ -0,0 +1,29 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "typeRoots": [
+      "../../external/ui_npm/node_modules/@types",
+      "../../external/ui_dev_npm/node_modules/@types"
+    ]
+  },
+  "include": [
+    // Items below must be in sync with the src_dirs list in the BUILD file
+    // Also items must be in sync with tsconfig.json, tsconfig_bazel_test.json
+    // (include and exclude arrays are overriden when extends)
+    "constants/**/*",
+    "elements/**/*",
+    "embed/**/*",
+    "gr-diff/**/*",
+    "mixins/**/*",
+    "samples/**/*",
+    "scripts/**/*",
+    "services/**/*",
+    "styles/**/*",
+    "types/**/*",
+    "utils/**/*"
+  ],
+  "exclude": [
+    "**/*_test.ts",
+    "**/*_test.js"
+  ]
+}

polygerrit-ui/app/tsconfig_bazel_test.json

@@ -0,0 +1,32 @@
+{
+  "extends": "./tsconfig_bazel.json",
+  "compilerOptions": {
+    "typeRoots": [
+      "./test/@types",
+      "../../external/ui_dev_npm/node_modules/@polymer/iron-test-helpers",
+      "../../external/ui_npm/node_modules/@types",
+      "../../external/ui_dev_npm/node_modules/@types"
+    ],
+    "paths": {
+      "@polymer/iron-test-helpers/*": ["../../ui_dev_npm/node_modules/@polymer/iron-test-helpers/*"]
+    }
+  },
+  "include": [
+    // Items below must be in sync with the src_dirs list in the BUILD file
+    // Also items must be in sync with tsconfig.json, tsconfig_test.json
+    // (include and exclude arrays are overriden when extends)
+    "constants/**/*",
+    "elements/**/*",
+    "embed/**/*",
+    "gr-diff/**/*",
+    "mixins/**/*",
+    "samples/**/*",
+    "scripts/**/*",
+    "services/**/*",
+    "styles/**/*",
+    "types/**/*",
+    "utils/**/*",
+    "test/**/*"
+  ],
+  "exclude": []
+}

polygerrit-ui/app/types/common.ts

@@ -45,6 +45,8 @@ import {
   EmailFormat,
   AuthType,
   MergeStrategy,
+  EditableAccountField,
+  MergeabilityComputationBehavior,
 } from '../constants/constants';
 import {PolymerDeepPropertyChange} from '@polymer/polymer/interfaces';
 
@@ -248,7 +250,7 @@ export interface ChangeInfo {
   created: Timestamp;
   updated: Timestamp;
   submitted?: Timestamp;
-  submitter: AccountInfo;
+  submitter?: AccountInfo;
   starred?: boolean; // not set if false
   stars?: StarLabel[];
   reviewed?: boolean; // not set if false
@@ -540,7 +542,7 @@ export interface RevisionInfo {
   fetch?: {[protocol: string]: FetchInfo};
   commit?: CommitInfo;
   files?: {[filename: string]: FileInfo};
-  actions?: ActionInfo[];
+  actions?: ActionNameToActionInfoMap;
   reviewed?: boolean;
   commit_with_footers?: boolean;
   push_certificate?: PushCertificateInfo;
@@ -736,7 +738,7 @@ export interface VotingRangeInfo {
 /**
  * The AccountsConfigInfo entity contains information about Gerrit configuration
  * from the accounts section.
- * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html
+ * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html#accounts-config-info
  */
 export interface AccountsConfigInfo {
   visibility: string;
@@ -750,9 +752,9 @@ export interface AccountsConfigInfo {
  */
 export interface AuthInfo {
   auth_type: AuthType; // docs incorrectly names it 'type'
-  use_contributor_agreements: boolean;
+  use_contributor_agreements?: boolean;
   contributor_agreements?: ContributorAgreementInfo;
-  editable_account_fields: string;
+  editable_account_fields: EditableAccountField[];
   login_url?: string;
   login_text?: string;
   switch_account_url?: string;
@@ -799,17 +801,17 @@ export type CapabilityInfoMap = {[id: string]: CapabilityInfo};
 /**
  * The ChangeConfigInfo entity contains information about Gerrit configuration
  * from the change section.
- * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html
+ * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html#change-config-info
  */
 export interface ChangeConfigInfo {
-  allow_blame: boolean;
-  large_change: string;
+  allow_blame?: boolean;
+  large_change: number;
   reply_label: string;
   reply_tooltip: string;
   update_delay: number;
-  submit_whole_topic: boolean;
-  disable_private_changes: boolean;
-  mergeability_computation_behavior: string;
+  submit_whole_topic?: boolean;
+  disable_private_changes?: boolean;
+  mergeability_computation_behavior: MergeabilityComputationBehavior;
   enable_attention_set: boolean;
   enable_assignee: boolean;
 }
@@ -817,10 +819,10 @@ export interface ChangeConfigInfo {
 /**
  * The ChangeIndexConfigInfo entity contains information about Gerrit
  * configuration from the index.change section.
- * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html
+ * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html#change-index-config-info
  */
 export interface ChangeIndexConfigInfo {
-  index_mergeable: boolean;
+  index_mergeable?: boolean;
 }
 
 /**
@@ -906,11 +908,11 @@ export type SchemesInfoMap = {[name: string]: DownloadSchemeInfo};
 /**
  * The DownloadInfo entity contains information about supported download
  * options.
- * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html
+ * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html#download-info
  */
 export interface DownloadInfo {
   schemes: SchemesInfoMap;
-  archives: string;
+  archives: string[];
 }
 
 export type CloneCommandMap = {[name: string]: string};
@@ -954,9 +956,9 @@ export interface EntriesInfo {
 export interface GerritInfo {
   all_projects: string; // Doc contains incorrect name
   all_users: string; // Doc contains incorrect name
-  doc_search: string;
+  doc_search: boolean;
   doc_url?: string;
-  edit_gpg_keys: boolean;
+  edit_gpg_keys?: boolean;
   report_bug_url?: string;
   // The following property is missed in doc
   primary_weblink_name?: string;
@@ -965,7 +967,7 @@ export interface GerritInfo {
 /**
  * The IndexConfigInfo entity contains information about Gerrit configuration
  * from the index section.
- * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html
+ * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html#index-config-info
  */
 export interface IndexConfigInfo {
   change: ChangeIndexConfigInfo;
@@ -1022,10 +1024,11 @@ export interface MemSummaryInfo {
 /**
  * The PluginConfigInfo entity contains information about Gerrit extensions by
  * plugins.
- * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html
+ * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html#plugin-config-info
  */
 export interface PluginConfigInfo {
   has_avatars: boolean;
+  // The following 2 properies exists in Java class, but don't mention in docs
   js_resource_paths: string[];
   html_resource_paths: string[];
 }
@@ -1050,7 +1053,8 @@ export interface ServerInfo {
   change: ChangeConfigInfo;
   download: DownloadInfo;
   gerrit: GerritInfo;
-  index: IndexConfigInfo;
+  // docs mentions index property, but it doesn't exists in Java class
+  // index: IndexConfigInfo;
   note_db_enabled?: boolean;
   plugin: PluginConfigInfo;
   receive?: ReceiveInfo;
@@ -1074,7 +1078,7 @@ export type SshdInfo = {};
  * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html#suggest-info
  */
 export interface SuggestInfo {
-  from: string;
+  from: number;
 }
 
 /**
@@ -1149,7 +1153,7 @@ export interface TopMenuItemInfo {
 /**
  * The UserConfigInfo entity contains information about Gerrit configuration
  * from the user section.
- * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html
+ * https://gerrit-review.googlesource.com/Documentation/rest-api-config.html#user-config-info
  */
 export interface UserConfigInfo {
   anonymous_coward_name: string;
@@ -1373,7 +1377,7 @@ export interface InheritedBooleanInfo {
 }
 
 /**
- * The MaxObjectSizeLimitInfo entity contains information about themax object
+ * The MaxObjectSizeLimitInfo entity contains information about the max object
  * size limit of a project.
  * https://gerrit-review.googlesource.com/Documentation/rest-api-projects.html#max-object-size-limit-info
  */
@@ -2040,8 +2044,8 @@ export interface EditInfo {
   base_patch_set_number: PatchSetNum;
   base_revision: string;
   ref: GitRef;
-  fetch: ProtocolToFetchInfoMap;
-  files: FileNameToFileInfoMap;
+  fetch?: ProtocolToFetchInfoMap;
+  files?: FileNameToFileInfoMap;
 }
 
 export type ProtocolToFetchInfoMap = {[protocol: string]: FetchInfo};

polygerrit-ui/app/types/events.ts

@@ -142,6 +142,18 @@ declare global {
   }
 }
 
+export interface ShowAlertEventDetail {
+  message: string;
+}
+
+export type ShowAlertEvent = CustomEvent<ShowAlertEventDetail>;
+
+declare global {
+  interface HTMLElementEventMap {
+    'show-alert': ShowAlertEvent;
+  }
+}
+
 /**
  * Keyboard events emitted from polymer elements.
  */

polygerrit-ui/app/types/globals.ts

@@ -75,50 +75,50 @@ declare global {
     // TODO(TS): should clean up those and removing them may break certain plugin behaviors
     // TODO(TS): as @brohlfs suggested, to avoid importing anything from elements/ to types/
     // use any for them for now
-    GrDisplayNameUtils: any;
-    GrAnnotation: any;
-    GrAttributeHelper: any;
-    GrDiffLine: any;
-    GrDiffLineType: any;
-    GrDiffGroup: any;
-    GrDiffGroupType: any;
-    GrDiffBuilder: any;
-    GrDiffBuilderSideBySide: any;
-    GrDiffBuilderImage: any;
-    GrDiffBuilderUnified: any;
-    GrDiffBuilderBinary: any;
-    GrChangeActionsInterface: any;
-    GrChangeReplyInterface: any;
-    GrEditConstants: any;
-    GrDomHooksManager: any;
-    GrDomHook: any;
-    GrEtagDecorator: any;
-    GrThemeApi: any;
-    SiteBasedCache: any;
-    FetchPromisesCache: any;
-    GrRestApiHelper: any;
-    GrLinkTextParser: any;
-    GrPluginEndpoints: any;
-    GrReviewerUpdatesParser: any;
-    GrPopupInterface: any;
-    GrCountStringFormatter: any;
-    GrReviewerSuggestionsProvider: any;
-    util: any;
-    Auth: any;
-    EventEmitter: any;
-    GrAdminApi: any;
-    GrAnnotationActionsContext: any;
-    GrAnnotationActionsInterface: any;
-    GrChangeMetadataApi: any;
-    GrEmailSuggestionsProvider: any;
-    GrGroupSuggestionsProvider: any;
-    GrEventHelper: any;
-    GrPluginRestApi: any;
-    GrRepoApi: any;
-    GrSettingsApi: any;
-    GrStylesApi: any;
-    PluginLoader: any;
-    GrPluginActionContext: any;
+    GrDisplayNameUtils: unknown;
+    GrAnnotation: unknown;
+    GrAttributeHelper: unknown;
+    GrDiffLine: unknown;
+    GrDiffLineType: unknown;
+    GrDiffGroup: unknown;
+    GrDiffGroupType: unknown;
+    GrDiffBuilder: unknown;
+    GrDiffBuilderSideBySide: unknown;
+    GrDiffBuilderImage: unknown;
+    GrDiffBuilderUnified: unknown;
+    GrDiffBuilderBinary: unknown;
+    GrChangeActionsInterface: unknown;
+    GrChangeReplyInterface: unknown;
+    GrEditConstants: unknown;
+    GrDomHooksManager: unknown;
+    GrDomHook: unknown;
+    GrEtagDecorator: unknown;
+    GrThemeApi: unknown;
+    SiteBasedCache: unknown;
+    FetchPromisesCache: unknown;
+    GrRestApiHelper: unknown;
+    GrLinkTextParser: unknown;
+    GrPluginEndpoints: unknown;
+    GrReviewerUpdatesParser: unknown;
+    GrPopupInterface: unknown;
+    GrCountStringFormatter: unknown;
+    GrReviewerSuggestionsProvider: unknown;
+    util: unknown;
+    Auth: unknown;
+    EventEmitter: unknown;
+    GrAdminApi: unknown;
+    GrAnnotationActionsContext: unknown;
+    GrAnnotationActionsInterface: unknown;
+    GrChangeMetadataApi: unknown;
+    GrEmailSuggestionsProvider: unknown;
+    GrGroupSuggestionsProvider: unknown;
+    GrEventHelper: unknown;
+    GrPluginRestApi: unknown;
+    GrRepoApi: unknown;
+    GrSettingsApi: unknown;
+    GrStylesApi: unknown;
+    PluginLoader: unknown;
+    GrPluginActionContext: unknown;
     _apiUtils: {};
   }
 
@@ -138,4 +138,9 @@ declare global {
     // TODO(TS): replace with composedPath if possible
     readonly path: EventTarget[];
   }
+
+  interface Error {
+    lineNumber?: number; // non-standard property
+    columnNumber?: number; // non-standard property
+  }
 }

polygerrit-ui/app/utils/access-util_test.ts

@@ -15,28 +15,37 @@
  * limitations under the License.
  */
 
-import '../test/common-test-setup-karma.js';
-import {toSortedPermissionsArray} from './access-util.js';
+import '../test/common-test-setup-karma';
+import {toSortedPermissionsArray} from './access-util';
 
 suite('access-util tests', () => {
   test('toSortedPermissionsArray', () => {
     const rules = {
       'global:Project-Owners': {
-        action: 'ALLOW', force: false,
+        action: 'ALLOW',
+        force: false,
       },
       '4c97682e6ce6b7247f3381b6f1789356666de7f': {
-        action: 'ALLOW', force: false,
+        action: 'ALLOW',
+        force: false,
       },
     };
     const expectedResult = [
-      {id: '4c97682e6ce6b7247f3381b6f1789356666de7f', value: {
-        action: 'ALLOW', force: false,
-      }},
-      {id: 'global:Project-Owners', value: {
-        action: 'ALLOW', force: false,
-      }},
+      {
+        id: '4c97682e6ce6b7247f3381b6f1789356666de7f',
+        value: {
+          action: 'ALLOW',
+          force: false,
+        },
+      },
+      {
+        id: 'global:Project-Owners',
+        value: {
+          action: 'ALLOW',
+          force: false,
+        },
+      },
     ];
     assert.deepEqual(toSortedPermissionsArray(rules), expectedResult);
   });
 });
-

polygerrit-ui/app/utils/common-util.ts

@@ -33,7 +33,8 @@ export function hasOwnProperty(obj: any, prop: PropertyKey) {
 }
 
 // TODO(TS): move to common types once we have type utils
-// tslint:disable-next-line:no-any Required for constructor signature.
+//  Required for constructor signature.
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 export type Constructor<T> = new (...args: any[]) => T;
 
 /**

polygerrit-ui/app/utils/date-util.ts

@@ -141,6 +141,7 @@ export function formatDate(date: Date, format: string) {
   if (format.includes('ss')) {
     options.second = '2-digit';
   }
+
   let locale = 'en-US';
   // Workaround for Chrome 80, en-US is using h24 (midnight is 24:00),
   // en-GB is using h23 (midnight is 00:00)

polygerrit-ui/app/utils/patch-set-util.ts

@@ -7,7 +7,10 @@ import {
   ParentPatchSetNum,
 } from '../types/common';
 import {RestApiService} from '../services/services/gr-rest-api/gr-rest-api';
-import {ParsedChangeInfo} from '../elements/shared/gr-rest-api-interface/gr-reviewer-updates-parser';
+import {
+  EditRevisionInfo,
+  ParsedChangeInfo,
+} from '../elements/shared/gr-rest-api-interface/gr-reviewer-updates-parser';
 
 /**
  * @license
@@ -49,10 +52,6 @@ export interface PatchSet {
   wip?: boolean;
 }
 
-interface RevisionWithSha extends RevisionInfo {
-  sha: string;
-}
-
 interface PatchRange {
   patchNum?: PatchSetNum;
   basePatchNum?: PatchSetNum;
@@ -128,7 +127,9 @@ export function getRevisionByPatchNum(
  *     doesn't exist.
  *
  */
-export function findEditParentRevision(revisions: RevisionInfo[]) {
+export function findEditParentRevision(
+  revisions: Array<RevisionInfo | EditRevisionInfo>
+) {
   const editInfo = revisions.find(info => info._number === EditPatchSetNum);
 
   if (!editInfo) {
@@ -144,7 +145,9 @@ export function findEditParentRevision(revisions: RevisionInfo[]) {
  * @return Change edit patch set number or -1.
  *
  */
-export function findEditParentPatchNum(revisions: RevisionInfo[]) {
+export function findEditParentPatchNum(
+  revisions: Array<RevisionInfo | EditRevisionInfo>
+) {
   const revisionInfo = findEditParentRevision(revisions);
   // finding parent of 'edit' patchset, hence revisionInfo._number cannot be
   // 'edit' and must be a number
@@ -162,7 +165,9 @@ export function findEditParentPatchNum(revisions: RevisionInfo[]) {
  * 3, edit, 2, 1.
  *
  */
-export function sortRevisions<T extends RevisionInfo>(revisions: T[]): T[] {
+export function sortRevisions<T extends RevisionInfo | EditRevisionInfo>(
+  revisions: T[]
+): T[] {
   const editParent: number = findEditParentPatchNum(revisions);
   // Map a normal patchNum to 2 * (patchNum - 1) + 1... I.e. 1 -> 1,
   // 2 -> 3, 3 -> 5, etc.
@@ -200,12 +205,10 @@ export function computeAllPatchSets(
   let patchNums: PatchSet[] = [];
   if (change.revisions && Object.keys(change.revisions).length) {
     const changeRevisions = change.revisions;
-    const revisions: RevisionWithSha[] = Object.keys(change.revisions).map(
-      sha => {
-        return {sha, ...changeRevisions[sha]};
-      }
-    );
-    patchNums = sortRevisions(revisions).map((e: RevisionWithSha) => {
+    const revisions = Object.keys(change.revisions).map(sha => {
+      return {sha, ...changeRevisions[sha]};
+    });
+    patchNums = sortRevisions(revisions).map(e => {
       // TODO(kaspern): Mark which patchset an edit was made on, if an
       // edit exists -- perhaps with a temporary description.
       return {

polygerrit-ui/package.json

@@ -2,7 +2,12 @@
   "name": "polygerrit-ui-dev-dependencies",
   "description": "Gerrit Code Review - Polygerrit dev dependencies",
   "browser": true,
-  "dependencies": {},
+  "dependencies": {
+    "@types/chai": "^4.2.14",
+    "@types/lodash": "^4.14.162",
+    "@types/mocha": "^8.0.3",
+    "@types/sinon": "^9.0.8"
+  },
   "devDependencies": {
     "@open-wc/karma-esm": "^2.16.16",
     "@polymer/iron-test-helpers": "^3.0.1",

polygerrit-ui/yarn.lock

@@ -989,6 +989,11 @@
   resolved "https://registry.yarnpkg.com/@types/caniuse-api/-/caniuse-api-3.0.0.tgz#af31cc52062be0ab24583be072fd49b634dcc2fe"
   integrity sha512-wT1VfnScjAftZsvLYaefu/UuwYJdYBwD2JDL2OQd01plGmuAoir5V6HnVHgrfh7zEwcasoiyO2wQ+W58sNh2sw==
 
+"@types/chai@^4.2.14":
+  version "4.2.14"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.14.tgz#44d2dd0b5de6185089375d976b4ec5caf6861193"
+  integrity sha512-G+ITQPXkwTrslfG5L/BksmbLUA0M1iybEsmCWPqzSxsRRhJZimBKJkoMi8fr/CPygPTj4zO5pJH7I2/cm9M7SQ==
+
 "@types/command-line-args@^5.0.0":
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/@types/command-line-args/-/command-line-args-5.0.0.tgz#484e704d20dbb8754a8f091eee45cdd22bcff28c"
@@ -1125,6 +1130,11 @@
   dependencies:
     "@types/koa" "*"
 
+"@types/lodash@^4.14.162":
+  version "4.14.162"
+  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.162.tgz#65d78c397e0d883f44afbf1f7ba9867022411470"
+  integrity sha512-alvcho1kRUnnD1Gcl4J+hK0eencvzq9rmzvFPRmP5rPHx9VVsJj6bKLTATPVf9ktgv4ujzh7T+XWKp+jhuODig==
+
 "@types/lru-cache@^5.1.0":
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/@types/lru-cache/-/lru-cache-5.1.0.tgz#57f228f2b80c046b4a1bd5cac031f81f207f4f03"
@@ -1140,6 +1150,11 @@
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.3.tgz#3dca0e3f33b200fc7d1139c0cd96c1268cadfd9d"
   integrity sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==
 
+"@types/mocha@^8.0.3":
+  version "8.0.3"
+  resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-8.0.3.tgz#51b21b6acb6d1b923bbdc7725c38f9f455166402"
+  integrity sha512-vyxR57nv8NfcU0GZu8EUXZLTbCMupIUwy95LJ6lllN+JRPG25CwMHoB1q5xKh8YKhQnHYRAn4yW2yuHbf/5xgg==
+
 "@types/node@*":
   version "14.0.14"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-14.0.14.tgz#24a0b5959f16ac141aeb0c5b3cd7a15b7c64cbce"
@@ -1175,6 +1190,18 @@
     "@types/express-serve-static-core" "*"
     "@types/mime" "*"
 
+"@types/sinon@^9.0.8":
+  version "9.0.8"
+  resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-9.0.8.tgz#1ed0038d356784f75b086104ef83bfd4130bb81b"
+  integrity sha512-IVnI820FZFMGI+u1R+2VdRaD/82YIQTdqLYC9DLPszZuynAJDtCvCtCs3bmyL66s7FqRM3+LPX7DhHnVTaagDw==
+  dependencies:
+    "@types/sinonjs__fake-timers" "*"
+
+"@types/sinonjs__fake-timers@*":
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/@types/sinonjs__fake-timers/-/sinonjs__fake-timers-6.0.2.tgz#3a84cf5ec3249439015e14049bd3161419bf9eae"
+  integrity sha512-dIPoZ3g5gcx9zZEszaxLSVTvMReD3xxyyDnQUjA6IYDG9Ba2AV0otMPs+77sG9ojB4Qr2N2Vk5RnKeuA0X/0bg==
+
 "@types/whatwg-url@^6.4.0":
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/@types/whatwg-url/-/whatwg-url-6.4.0.tgz#1e59b8c64bc0dbdf66d037cf8449d1c3d5270237"

tools/js/eslint-rules/goog-module-id.js

@@ -1,160 +0,0 @@
-/**
- * @license
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-const fs = require('fs');
-const path = require('path');
-const jsExt = '.js';
-
-class NonJsValidator {
-  onProgramEnd(context, node) {
-  }
-  onGoogDeclareModuleId(context, node) {
-    context.report({
-      message: 'goog.declareModuleId is allowed only in .js files',
-      node: node,
-    });
-  }
-}
-
-class JsOnlyValidator {
-  onProgramEnd(context, node) {
-  }
-  onGoogDeclareModuleId(context, node) {
-    context.report({
-      message: 'goog.declareModuleId present, but .d.ts file doesn\'t exist. '
-        + 'Either remove goog.declareModuleId or add the .d.ts file.',
-      node: node,
-    });
-  }
-}
-
-class JsWithDtsValidator {
-  constructor() {
-    this._googDeclareModuleIdExists = false;
-  }
-  onProgramEnd(context, node) {
-    if(!this._googDeclareModuleIdExists) {
-      context.report({
-        message: 'goog.declareModuleId(...) is missed. ' +
-            'Either add it or remove the associated .d.ts file.',
-        node: node,
-      })
-    }
-  }
-  onGoogDeclareModuleId(context, node) {
-    if(this._googDeclareModuleIdExists) {
-      context.report({
-        message: 'Duplicated goog.declareModuleId.',
-        node: node,
-      });
-      return;
-    }
-
-    const filename = context.getFilename();
-    this._googDeclareModuleIdExists = true;
-
-    const scope = context.getScope();
-    if(scope.type !== 'global' && scope.type !== 'module') {
-      context.report({
-        message: 'goog.declareModuleId is allowed only at the root level.',
-        node: node,
-      });
-      // no return - other problems are possible
-    }
-    if(node.arguments.length !== 1) {
-      context.report({
-        message: 'goog.declareModuleId must have exactly one parameter.',
-        node: node,
-      });
-      if(node.arguments.length === 0) {
-        return;
-      }
-    }
-
-    const argument = node.arguments[0];
-    if(argument.type !== 'Literal') {
-      context.report({
-        message: 'The argument for the declareModuleId method '
-            + 'must be a string literal.',
-        node: argument,
-      });
-      return;
-    }
-    const pathStart = '/polygerrit-ui/app/';
-    const index = filename.lastIndexOf(pathStart);
-    if(index < 0) {
-      context.report({
-        message: 'The file located outside of polygerrit-ui/app directory. ' +
-          'Please check eslint config.',
-        node: argument,
-      });
-      return;
-    }
-    const expectedName = 'polygerrit.' +
-        filename.slice(index + pathStart.length, -jsExt.length)
-            .replace(/\//g, '.') // Replace all occurrences of '/' with '.'
-            .replace(/-/g, '$2d'); // Replace all occurrences of '-' with '$2d'
-    if(argument.value !== expectedName) {
-      context.report({
-        message: `Invalid module id. It must be '${expectedName}'.`,
-        node: argument,
-        fix: function(fixer) {
-          return fixer.replaceText(argument, `'${expectedName}'`);
-        },
-      });
-    }
-  }
-}
-
-module.exports = {
-  meta: {
-    type: 'problem',
-    docs: {
-      description: 'Check that goog.declareModuleId is valid',
-      category: 'TS imports JS errors',
-      recommended: false,
-    },
-    fixable: "code",
-    schema: [],
-  },
-  create: function (context) {
-    let fileValidator;
-    return {
-      Program: function(node) {
-        const filename = context.getFilename();
-        if(filename.endsWith(jsExt)) {
-          const dtsFilename = filename.slice(0, -jsExt.length) + ".d.ts";
-          if(fs.existsSync(dtsFilename)) {
-            fileValidator = new JsWithDtsValidator();
-          } else {
-            fileValidator = new JsOnlyValidator();
-          }
-        }
-        else {
-          fileValidator = new NonJsValidator();
-        }
-      },
-      "Program:exit": function(node) {
-        fileValidator.onProgramEnd(context, node);
-        fileValidator = null;
-      },
-      'ExpressionStatement > CallExpression[callee.property.name="declareModuleId"][callee.object.name="goog"]': function(node) {
-        fileValidator.onGoogDeclareModuleId(context, node);
-      }
-    };
-  },
-};

tools/js/eslint-rules/report-ts-error.js

@@ -1,101 +0,0 @@
-/**
- * @license
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// While we are migrating to typescript, gerrit can have .d.ts files.
-// The option "skipLibCheck" is set to true  In the tsconfig.json.
-// This is required, because we want to skip type checking in node_modules
-// directory - some .d.ts files in 3rd-party modules are incorrect.
-// Unfortunately, this options also excludes our own .d.ts files from type
-// checking. This rule reports all .ts errors in a file as tslint errors.
-
-function getMassageTextFromChain(chainNode, prefix) {
-  let nestedMessages = prefix + chainNode.messageText;
-  if (chainNode.next && chainNode.next.length > 0) {
-    nestedMessages += "\n";
-    for (const node of chainNode.next) {
-      nestedMessages +=
-          getMassageTextFromChain(node, prefix + " ");
-      if(!nestedMessages.endsWith('\n')) {
-        nestedMessages += "\n";
-      }
-    }
-  }
-  return nestedMessages;
-}
-
-function getMessageText(diagnostic) {
-  if (typeof diagnostic.messageText === 'string') {
-    return diagnostic.messageText;
-  }
-  return getMassageTextFromChain(diagnostic.messageText, "");
-}
-
-function getDiagnosticStartAndEnd(diagnostic) {
-  if(diagnostic.start) {
-    const file = diagnostic.file;
-    const start = file.getLineAndCharacterOfPosition(diagnostic.start);
-    const length = diagnostic.length ? diagnostic.length : 0;
-    return {
-      start,
-      end: file.getLineAndCharacterOfPosition(diagnostic.start + length),
-    };
-  }
-  return {
-    start: {line:0, character: 0},
-    end: {line:0, character: 0},
-  }
-}
-
-module.exports = {
-  meta: {
-    type: "problem",
-    docs: {
-      description: "Reports all typescript problems as linter problems",
-      category: ".d.ts",
-      recommended: false
-    },
-    schema: [],
-  },
-  create: function (context) {
-    const program = context.parserServices.program;
-    return {
-      Program: function(node) {
-        const sourceFile =
-            context.parserServices.esTreeNodeToTSNodeMap.get(node);
-        const allDiagnostics = [
-            ...program.getDeclarationDiagnostics(sourceFile),
-            ...program.getSemanticDiagnostics(sourceFile)];
-        for(const diagnostic of allDiagnostics) {
-          const {start, end } = getDiagnosticStartAndEnd(diagnostic);
-          context.report({
-            message: getMessageText(diagnostic),
-            loc: {
-              start: {
-                line: start.line + 1,
-                column: start.character,
-              },
-              end: {
-                line: end.line + 1,
-                column: end.character,
-              }
-            }
-          });
-        }
-      },
-    };
-  }
-};

tools/js/eslint-rules/ts-imports-js.js

@@ -1,109 +0,0 @@
-/**
- * @license
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-const path = require('path');
-const fs = require('fs');
-
-function checkImportValid(context, node) {
-  const file = context.getFilename();
-  const importSource = node.source.value;
-
-  if(importSource.startsWith('/')) {
-    return {
-      message: 'Do not use absolute path for import.',
-    };
-  }
-
-  const targetFile = path.resolve(path.dirname(file), importSource);
-  const extName = path.extname(targetFile);
-  // There is a polymer.dom.js file, so .dom is not an extension
-  if(extName !== '' && !targetFile.endsWith('polymer.dom')) {
-    return {
-      message: 'Do not specify extensions for import path.',
-      fix: function(fixer) {
-        return fixer.replaceText(node.source, `'${importSource.slice(0, -extName.length)}'`);
-      },
-    };
-  }
-
-  if(!importSource.startsWith('./') && !importSource.startsWith('../')) {
-    // Import from node_modules - nothing else to check
-    return null;
-  }
-
-
-  if(fs.existsSync(targetFile + ".ts")) {
-    // .ts file exists - nothing to check
-    return null;
-  }
-
-  const jsFileExists = fs.existsSync(targetFile + '.js');
-  const dtsFileExists = fs.existsSync(targetFile + '.d.ts');
-
-  if(jsFileExists && !dtsFileExists) {
-    return {
-      message: `The '${importSource}.d.ts' file doesn't exist.`
-    };
-  }
-
-  if(!jsFileExists && dtsFileExists) {
-    return {
-      message: `The '${importSource}.js' file doesn't exist.`
-    };
-  }
-  // If both files (.js and .d.ts) don't exist, the error is reported by
-  // the typescript compiler. Do not report anything from the rule.
-  return null;
-}
-
-module.exports = {
-  meta: {
-    type: "problem",
-    docs: {
-      description: "Check that TS file can import specific JS file",
-      category: "TS imports JS errors",
-      recommended: false
-    },
-    schema: [],
-    fixable: "code",
-  },
-  create: function (context) {
-    return {
-      Program: function(node) {
-        const filename = context.getFilename();
-        if(filename.endsWith('.ts') && !filename.endsWith('.d.ts')) {
-          return;
-        }
-        context.report({
-          message: 'The rule must be used only with .ts files. ' +
-              'Check eslint settings.',
-          node: node,
-        });
-      },
-      ImportDeclaration: function (node) {
-        const importProblem = checkImportValid(context, node);
-        if(importProblem) {
-          context.report({
-            message: importProblem.message,
-            node: node.source,
-            fix: importProblem.fix,
-          });
-        }
-      }
-    };
-  }
-};