fix(datetime): format seconds token

Closes #6951

src/components/datetime/test/basic/index.ts

@@ -7,7 +7,7 @@ import {ionicBootstrap} from '../../../../../src';
 })
 class E2EPage {
   wwwInvented = '1989';
-  time = '13:47';
+  time = '13:47:00';
   netscapeReleased = '1994-12-15T13:47:20.789';
   operaReleased = '1995-04-15';
   firefoxReleased = '2002-09-23T15:03:46.789';

src/components/datetime/test/basic/main.html

@@ -87,4 +87,9 @@
     {{convertedDate}}
   </p>
 
+  <ion-item>
+    <ion-label>HH:mm:ss</ion-label>
+    <ion-datetime displayFormat="HH:mm:ss" [(ngModel)]="time"></ion-datetime>
+  </ion-item>
+
 </ion-content>

src/util/datetime-util.ts

@@ -66,7 +66,7 @@ export function renderTextFormat(format: string, value: any, date: DateTimeData,
 
   if (format === FORMAT_YY || format === FORMAT_MM ||
       format === FORMAT_DD || format === FORMAT_HH ||
-      format === FORMAT_mm) {
+      format === FORMAT_mm || format === FORMAT_ss) {
     return twoDigit(value);
   }
 
@@ -136,6 +136,12 @@ export function dateValueRange(format: string, min: DateTimeData, max: DateTimeD
       opts.push(i);
     }
 
+  } else if (format === FORMAT_ss || format === FORMAT_s) {
+    // seconds
+    for (i = 0; i < 60; i++) {
+      opts.push(i);
+    }
+
   } else if (format === FORMAT_A || format === FORMAT_a) {
     // AM/PM
     opts.push('am', 'pm');
@@ -432,6 +438,8 @@ const FORMAT_hh = 'hh';
 const FORMAT_h = 'h';
 const FORMAT_mm = 'mm';
 const FORMAT_m = 'm';
+const FORMAT_ss = 'ss';
+const FORMAT_s = 's';
 const FORMAT_A = 'A';
 const FORMAT_a = 'a';
 
@@ -447,11 +455,13 @@ const FORMAT_KEYS = [
   { f: FORMAT_HH, k: 'hour' },
   { f: FORMAT_hh, k: 'hour' },
   { f: FORMAT_mm, k: 'minute' },
+  { f: FORMAT_ss, k: 'second' },
   { f: FORMAT_M, k: 'month' },
   { f: FORMAT_D, k: 'day' },
   { f: FORMAT_H, k: 'hour' },
   { f: FORMAT_h, k: 'hour' },
   { f: FORMAT_m, k: 'minute' },
+  { f: FORMAT_s, k: 'second' },
   { f: FORMAT_A, k: 'ampm' },
   { f: FORMAT_a, k: 'ampm' },
 ];

src/util/test/datetime-util.spec.ts

@@ -114,7 +114,7 @@ describe('convertDataToISO', () => {
     expect(str).toEqual('13:47:20.789');
   });
 
-  it('should convert DateTimeData to HH:mm:SS string', () => {
+  it('should convert DateTimeData to HH:mm:ss string', () => {
     var data: datetime.DateTimeData = {
       year: null,
       month: null,
@@ -201,6 +201,11 @@ describe('convertFormatToKey', () => {
     expect(datetime.convertFormatToKey('m')).toEqual('minute');
   });
 
+  it('should convert second formats to their DateParse key', () => {
+    expect(datetime.convertFormatToKey('ss')).toEqual('second');
+    expect(datetime.convertFormatToKey('s')).toEqual('second');
+  });
+
   it('should convert am/pm formats to their DateParse key', () => {
     expect(datetime.convertFormatToKey('A')).toEqual('ampm');
     expect(datetime.convertFormatToKey('a')).toEqual('ampm');
@@ -317,24 +322,26 @@ describe('parseTemplate', () => {
     expect(formats[1]).toEqual('mm');
   });
 
-  it('should get formats from template "m mm h hh H HH D DD DDD DDDD M MM MMM MMMM YY YYYY"', () => {
+  it('should get formats from template "s ss m mm h hh H HH D DD DDD DDDD M MM MMM MMMM YY YYYY"', () => {
-    var formats = datetime.parseTemplate('m mm h hh H HH D DD DDD DDDD M MM MMM MMMM YY YYYY');
+    var formats = datetime.parseTemplate('s ss m mm h hh H HH D DD DDD DDDD M MM MMM MMMM YY YYYY');
-    expect(formats[0]).toEqual('m');
+    expect(formats[0]).toEqual('s');
-    expect(formats[1]).toEqual('mm');
+    expect(formats[1]).toEqual('ss');
-    expect(formats[2]).toEqual('h');
+    expect(formats[2]).toEqual('m');
-    expect(formats[3]).toEqual('hh');
+    expect(formats[3]).toEqual('mm');
-    expect(formats[4]).toEqual('H');
+    expect(formats[4]).toEqual('h');
-    expect(formats[5]).toEqual('HH');
+    expect(formats[5]).toEqual('hh');
-    expect(formats[6]).toEqual('D');
+    expect(formats[6]).toEqual('H');
-    expect(formats[7]).toEqual('DD');
+    expect(formats[7]).toEqual('HH');
-    expect(formats[8]).toEqual('DDD');
+    expect(formats[8]).toEqual('D');
-    expect(formats[9]).toEqual('DDDD');
+    expect(formats[9]).toEqual('DD');
-    expect(formats[10]).toEqual('M');
+    expect(formats[10]).toEqual('DDD');
-    expect(formats[11]).toEqual('MM');
+    expect(formats[11]).toEqual('DDDD');
-    expect(formats[12]).toEqual('MMM');
+    expect(formats[12]).toEqual('M');
-    expect(formats[13]).toEqual('MMMM');
+    expect(formats[13]).toEqual('MM');
-    expect(formats[14]).toEqual('YY');
+    expect(formats[14]).toEqual('MMM');
-    expect(formats[15]).toEqual('YYYY');
+    expect(formats[15]).toEqual('MMMM');
+    expect(formats[16]).toEqual('YY');
+    expect(formats[17]).toEqual('YYYY');
   });
 
   it('should get formats from template YYMMMMDDHHmm', () => {