Convert gr-change-view to typescript

The change converts the following files to typescript:

* elements/change/gr-change-view/gr-change-view.ts

Change-Id: I32a2ca2683757c8922e298b3c2d4336d3eb40dcf

polygerrit-ui/app/constants/constants.ts

@@ -190,6 +190,17 @@ export enum SubmitType {
   INHERIT = 'INHERIT',
 }
 
+/**
+ * https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html#mergeable-info
+ */
+export enum MergeStrategy {
+  RECURSIVE = 'recursive',
+  RESOLVE = 'resolve',
+  SIMPLE_TWO_WAY_IN_CORE = 'simple-two-way-in-core',
+  OURS = 'ours',
+  THEIRS = 'theirs',
+}
+
 /*
  * Enum for possible configured value in InheritedBooleanInfo.
  * https://gerrit-review.googlesource.com/Documentation/rest-api-projects.html#inherited-boolean-info

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

@@ -300,6 +300,7 @@ suite('gr-change-view tests', () => {
       _fetchSharedCacheURL() { return Promise.resolve({}); },
     });
     element = fixture.instantiate();
+    element._changeNum = '1';
     sinon.stub(element.$.actions, 'reload').returns(Promise.resolve());
     getPluginLoader().loadPlugins([]);
     pluginApi.install(
@@ -333,6 +334,11 @@ suite('gr-change-view tests', () => {
       basePatchNum: 'PARENT',
       patchNum: 1,
     };
+    element._change = {
+      _number: '1',
+      project: '',
+      change_id: '1',
+    };
     const getUrlStub = sinon.stub(GerritNav, 'getUrlForChange');
     const replaceStateStub = sinon.stub(history, 'replaceState');
     element._handleMessageAnchorTap({detail: {id: 'a12345'}});
@@ -414,6 +420,7 @@ suite('gr-change-view tests', () => {
 
   suite('plugins adding to file tab', () => {
     setup(done => {
+      element._changeNum = '1';
       // Resolving it here instead of during setup() as other tests depend
       // on flush() not being called during setup.
       flush(() => done());
@@ -459,6 +466,7 @@ suite('gr-change-view tests', () => {
       queryMap.set('tab', PrimaryTab.FINDINGS);
       // view is required
       element.params = {
+        changeNum: '1',
         view: GerritNav.View.CHANGE,
         ...element.params, queryMap};
       flush(() => {
@@ -473,6 +481,7 @@ suite('gr-change-view tests', () => {
       queryMap.set('tab', 'random');
       // view is required
       element.params = {
+        changeNum: '1',
         view: GerritNav.View.CHANGE,
         ...element.params, queryMap};
       flush(() => {
@@ -783,6 +792,7 @@ suite('gr-change-view tests', () => {
             getAllThreadsForChange: () => ([]),
             computeDraftCount: () => 1,
           }));
+      element._changeNum = '1';
     });
 
     test('drafts are reloaded when reload-drafts fired', done => {
@@ -1415,6 +1425,7 @@ suite('gr-change-view tests', () => {
   });
 
   test('_handleCommitMessageSave trims trailing whitespace', () => {
+    element._change = {};
     const putStub = sinon.stub(element.$.restAPI, 'putChangeCommitMessage')
         .returns(Promise.resolve({}));
 
@@ -1609,14 +1620,16 @@ suite('gr-change-view tests', () => {
   });
 
   test('_openReplyDialog called with `ANY` when coming from tap event',
-      () => {
-        const openStub = sinon.stub(element, '_openReplyDialog');
-        element._serverConfig = {};
-        MockInteractions.tap(element.$.replyBtn);
-        assert(openStub.lastCall.calledWithExactly(
-            element.$.replyDialog.FocusTarget.ANY),
-        '_openReplyDialog should have been passed ANY');
-        assert.equal(openStub.callCount, 1);
+      done => {
+        flush(() => {
+          const openStub = sinon.stub(element, '_openReplyDialog');
+          MockInteractions.tap(element.$.replyBtn);
+          assert(openStub.lastCall.calledWithExactly(
+              element.$.replyDialog.FocusTarget.ANY),
+          '_openReplyDialog should have been passed ANY');
+          assert.equal(openStub.callCount, 1);
+          done();
+        });
       });
 
   test('_openReplyDialog called with `BODY` when coming from message reply' +
@@ -1806,10 +1819,13 @@ suite('gr-change-view tests', () => {
     });
   });
 
-  test('reply button is disabled until server config is loaded', () => {
+  test('reply button is disabled until server config is loaded', done => {
     assert.isTrue(element._replyDisabled);
-    element._serverConfig = {};
-    assert.isFalse(element._replyDisabled);
+    // fetches the server config on attached
+    flush(() => {
+      assert.isFalse(element._replyDisabled);
+      done();
+    });
   });
 
   suite('commit message expand/collapse', () => {
@@ -2189,6 +2205,11 @@ suite('gr-change-view tests', () => {
       basePatchNum: 'PARENT',
       patchNum: 1,
     };
+    element._change = {
+      _number: '1',
+      project: '',
+      change_id: '1',
+    };
     const fileList = element.$.fileList;
     const Actions = GrEditConstants.Actions;
     element.$.fileListHeader.editMode = true;
@@ -2371,6 +2392,11 @@ suite('gr-change-view tests', () => {
   });
 
   test('_handleStopEditTap', done => {
+    element._change = {
+      _number: '1',
+      project: '',
+      change_id: '1',
+    };
     sinon.stub(element.$.metadata, '_computeLabelNames');
     navigateToChangeStub.restore();
     sinon.stub(GerritNav, 'navigateToChange').callsFake((...args) => {

polygerrit-ui/app/elements/change/gr-included-in-dialog/gr-included-in-dialog.ts

@@ -65,7 +65,7 @@ export class GrIncludedInDialog extends GestureEventListeners(
 
   loadData() {
     if (!this.changeNum) {
-      return;
+      return Promise.reject(new Error('missing required property changeNum'));
     }
     this._filterText = '';
     return this.$.restAPI.getChangeIncludedIn(this.changeNum).then(configs => {

polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog.ts

@@ -113,7 +113,7 @@ import {isUnresolved} from '../../../utils/comment-util';
 
 const STORAGE_DEBOUNCE_INTERVAL_MS = 400;
 
-enum FocusTarget {
+export enum FocusTarget {
   ANY = 'any',
   BODY = 'body',
   CCS = 'cc',

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

@@ -105,6 +105,15 @@ export interface AppElementDiffViewParam {
   leftSide?: boolean;
   commentLink?: boolean;
 }
+export interface AppElementChangeViewParams {
+  view: GerritView.CHANGE;
+  changeNum: NumericChangeId;
+  project: RepoName;
+  edit?: boolean;
+  patchNum?: PatchSetNum;
+  basePatchNum?: PatchSetNum;
+  queryMap?: Map<string, string> | URLSearchParams;
+}
 
 export interface AppElementJustRegisteredParams {
   // We use params.view === ... as a type guard.
@@ -120,6 +129,7 @@ export type AppElementParams =
   | AppElementDashboardParams
   | AppElementGroupParams
   | AppElementAdminParams
+  | AppElementChangeViewParams
   | AppElementRepoParams
   | AppElementDocSearchParams
   | AppElementPluginScreenParams

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

@@ -35,6 +35,7 @@ import {
 } from './gr-js-api-types';
 import {EventType, TargetElement} from '../../plugins/gr-plugin-types';
 import {DiffLayer, HighlightJS} from '../../../types/types';
+import {ParsedChangeInfo} from '../gr-rest-api-interface/gr-reviewer-updates-parser';
 
 const elements: {[key: string]: HTMLElement} = {};
 const eventCallbacks: {[key: string]: EventCallback[]} = {};
@@ -177,7 +178,7 @@ export class GrJsApiInterface
     }
   }
 
-  handleCommitMessage(change: ChangeInfo, msg: string) {
+  handleCommitMessage(change: ChangeInfo | ParsedChangeInfo, msg: string) {
     for (const cb of this._getEventCallbacks(EventType.COMMIT_MSG_EDIT)) {
       try {
         cb(change, msg);

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

@@ -139,6 +139,7 @@ import {
   GroupName,
   Hashtag,
   TopMenuEntryInfo,
+  MergeableInfo,
 } from '../../../types/common';
 import {
   CancelConditionCallback,
@@ -1551,7 +1552,7 @@ export class GrRestApiInterface
       endpoint: '/commit?links',
       patchNum,
       reportEndpointAsIs: true,
-    });
+    }) as Promise<CommitInfo | undefined>;
   }
 
   getChangeFiles(
@@ -3582,7 +3583,7 @@ export class GrRestApiInterface
       changeNum,
       endpoint: '/revisions/current/mergeable',
       reportEndpointAsIs: true,
-    });
+    }) as Promise<MergeableInfo | undefined>;
   }
 
   deleteDraftComments(query: string): Promise<Response> {

polygerrit-ui/app/elements/shared/revision-info/revision-info.ts

@@ -17,6 +17,7 @@
 
 import {patchNumEquals} from '../../../utils/patch-set-util';
 import {ChangeInfo, PatchSetNum} from '../../../types/common';
+import {ParsedChangeInfo} from '../gr-rest-api-interface/gr-reviewer-updates-parser';
 
 type RevNumberToParentCountMap = {[revNumber: number]: number};
 
@@ -26,7 +27,7 @@ export class RevisionInfo {
    * @param change A change object resulting from a change detail
    *     call that includes revision information.
    */
-  constructor(private change: ChangeInfo) {}
+  constructor(private change: ChangeInfo | ParsedChangeInfo) {}
 
   /**
    * Get the largest number of parents of the commit in any revision. For

polygerrit-ui/app/services/services/gr-rest-api/gr-rest-api.ts

@@ -98,6 +98,8 @@ import {
   Hashtag,
   FileNameToFileInfoMap,
   TopMenuEntryInfo,
+  MergeableInfo,
+  CommitInfo,
 } from '../../../types/common';
 import {ParsedChangeInfo} from '../../../elements/shared/gr-rest-api-interface/gr-reviewer-updates-parser';
 import {HttpMethod, IgnoreWhitespaceType} from '../../../constants/constants';
@@ -216,7 +218,7 @@ export interface RestApiService {
 
   getChangeDetail(
     changeNum: number | string,
-    opt_errFn?: Function,
+    opt_errFn?: ErrorCallback,
     opt_cancelCondition?: Function
   ): Promise<ParsedChangeInfo | null | undefined>;
 
@@ -851,4 +853,15 @@ export interface RestApiService {
   getTopMenus(errFn?: ErrorCallback): Promise<TopMenuEntryInfo[] | undefined>;
 
   setInProjectLookup(changeNum: NumericChangeId, project: RepoName): void;
+  getMergeable(changeNum: NumericChangeId): Promise<MergeableInfo | undefined>;
+
+  putChangeCommitMessage(
+    changeNum: NumericChangeId,
+    message: string
+  ): Promise<Response>;
+
+  getChangeCommitInfo(
+    changeNum: NumericChangeId,
+    patchNum: PatchSetNum
+  ): Promise<CommitInfo | undefined>;
 }

polygerrit-ui/app/types/common.ts

@@ -44,6 +44,7 @@ import {
   NotifyType,
   EmailFormat,
   AuthType,
+  MergeStrategy,
 } from '../constants/constants';
 import {PolymerDeepPropertyChange} from '@polymer/polymer/interfaces';
 
@@ -804,7 +805,7 @@ export interface ChangeConfigInfo {
   large_change: string;
   reply_label: string;
   reply_tooltip: string;
-  update_delay: string;
+  update_delay: number;
   submit_whole_topic: boolean;
   disable_private_changes: boolean;
   mergeability_computation_behavior: string;
@@ -2235,3 +2236,16 @@ export interface CherryPickInput {
   topic?: TopicName;
   allow_empty?: boolean;
 }
+
+/**
+ * https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html#mergeable-info
+ */
+export interface MergeableInfo {
+  submit_type: SubmitType;
+  strategy?: MergeStrategy;
+  mergeable: boolean;
+  commit_merged?: boolean;
+  content_merged?: boolean;
+  conflicts?: string[];
+  mergeable_into?: string[];
+}

polygerrit-ui/app/types/types.ts

@@ -20,6 +20,7 @@ import {GrDiffLine} from '../elements/diff/gr-diff/gr-diff-line';
 import {FlattenedNodesObserver} from '@polymer/polymer/lib/utils/flattened-nodes-observer';
 import {PaperInputElement} from '@polymer/paper-input/paper-input';
 import {CommitId, NumericChangeId, PatchRange, PatchSetNum} from './common';
+import {PolymerSpliceChange} from '@polymer/polymer/interfaces';
 
 export function notUndefined<T>(x: T | undefined): x is T {
   return x !== undefined;
@@ -213,3 +214,10 @@ export interface FileRange {
   basePath?: string;
   path: string;
 }
+
+export function isPolymerSpliceChange<
+  T,
+  U extends Array<{} | null | undefined>
+>(x: T | PolymerSpliceChange<U>): x is PolymerSpliceChange<U> {
+  return (x as PolymerSpliceChange<U>).indexSplices !== undefined;
+}

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

@@ -57,10 +57,6 @@ interface PatchRange {
   basePatchNum?: PatchSetNum;
 }
 
-interface PatchRangeRecord {
-  base: PatchRange;
-}
-
 /**
  * As patchNum can be either a string (e.g. 'edit', 'PARENT') OR a number,
  * this function checks for patchNum equality.
@@ -246,7 +242,9 @@ function _computeWipForPatchSets(
 
 export const _testOnly_computeWipForPatchSets = _computeWipForPatchSets;
 
-export function computeLatestPatchNum(allPatchSets?: PatchSet[]) {
+export function computeLatestPatchNum(
+  allPatchSets?: PatchSet[]
+): PatchSetNum | undefined {
   if (!allPatchSets || !allPatchSets.length) {
     return undefined;
   }
@@ -263,11 +261,7 @@ export function hasEditBasedOnCurrentPatchSet(allPatchSets: PatchSet[]) {
   return allPatchSets[0].num === EditPatchSetNum;
 }
 
-export function hasEditPatchsetLoaded(patchRangeRecord: PatchRangeRecord) {
-  const patchRange = patchRangeRecord.base;
-  if (!patchRange) {
-    return false;
-  }
+export function hasEditPatchsetLoaded(patchRange: PatchRange) {
   return (
     patchRange.patchNum === EditPatchSetNum ||
     patchRange.basePatchNum === EditPatchSetNum
@@ -283,7 +277,7 @@ export function hasEditPatchsetLoaded(patchRangeRecord: PatchRangeRecord) {
  *     meantime. The promise is rejected on network error.
  */
 export function fetchChangeUpdates(
-  change: ChangeInfo,
+  change: ChangeInfo | ParsedChangeInfo,
   restAPI: RestApiService
 ) {
   const knownLatest = computeLatestPatchNum(computeAllPatchSets(change));