From 2c3f96a73f9777f7edadd462e37aacd2136f2450 Mon Sep 17 00:00:00 2001
From: reduckted <reduckted@outlook.com>
Date: Sat, 7 Dec 2019 00:29:22 +1000
Subject: [PATCH] feat(datepicker): use readonly arrays for inputs (#3424)

---
 src/datepicker/hebrew/ngb-calendar-hebrew.ts  | 2 +-
 src/datepicker/hijri/ngb-calendar-hijri.ts    | 2 +-
 src/datepicker/jalali/ngb-calendar-persian.ts | 2 +-
 src/datepicker/ngb-calendar.ts                | 4 ++--
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/datepicker/hebrew/ngb-calendar-hebrew.ts b/src/datepicker/hebrew/ngb-calendar-hebrew.ts
index 608b9605dd..08cf1793ef 100644
--- a/src/datepicker/hebrew/ngb-calendar-hebrew.ts
+++ b/src/datepicker/hebrew/ngb-calendar-hebrew.ts
@@ -64,7 +64,7 @@ export class NgbCalendarHebrew extends NgbCalendar {
     return day === 0 ? 7 : day;
   }
 
-  getWeekNumber(week: NgbDate[], firstDayOfWeek: number) {
+  getWeekNumber(week: readonly NgbDate[], firstDayOfWeek: number) {
     const date = week[week.length - 1];
     return Math.ceil(getDayNumberInHebrewYear(date) / 7);
   }
diff --git a/src/datepicker/hijri/ngb-calendar-hijri.ts b/src/datepicker/hijri/ngb-calendar-hijri.ts
index b365f034b6..06d8cb948e 100644
--- a/src/datepicker/hijri/ngb-calendar-hijri.ts
+++ b/src/datepicker/hijri/ngb-calendar-hijri.ts
@@ -57,7 +57,7 @@ export abstract class NgbCalendarHijri extends NgbCalendar {
     return day === 0 ? 7 : day;
   }
 
-  getWeekNumber(week: NgbDate[], firstDayOfWeek: number) {
+  getWeekNumber(week: readonly NgbDate[], firstDayOfWeek: number) {
     // in JS Date Sun=0, in ISO 8601 Sun=7
     if (firstDayOfWeek === 7) {
       firstDayOfWeek = 0;
diff --git a/src/datepicker/jalali/ngb-calendar-persian.ts b/src/datepicker/jalali/ngb-calendar-persian.ts
index 939a2b43d3..2739be6995 100644
--- a/src/datepicker/jalali/ngb-calendar-persian.ts
+++ b/src/datepicker/jalali/ngb-calendar-persian.ts
@@ -41,7 +41,7 @@ export class NgbCalendarPersian extends NgbCalendar {
     return day === 0 ? 7 : day;
   }
 
-  getWeekNumber(week: NgbDate[], firstDayOfWeek: number) {
+  getWeekNumber(week: readonly NgbDate[], firstDayOfWeek: number) {
     // in JS Date Sun=0, in ISO 8601 Sun=7
     if (firstDayOfWeek === 7) {
       firstDayOfWeek = 0;
diff --git a/src/datepicker/ngb-calendar.ts b/src/datepicker/ngb-calendar.ts
index 0c71a3484d..a10a14e691 100644
--- a/src/datepicker/ngb-calendar.ts
+++ b/src/datepicker/ngb-calendar.ts
@@ -75,7 +75,7 @@ export abstract class NgbCalendar {
   /**
    * Returns the week number for a given week.
    */
-  abstract getWeekNumber(week: NgbDate[], firstDayOfWeek: number): number;
+  abstract getWeekNumber(week: readonly NgbDate[], firstDayOfWeek: number): number;
 
   /**
    * Returns the today's date.
@@ -139,7 +139,7 @@ export class NgbCalendarGregorian extends NgbCalendar {
     return day === 0 ? 7 : day;
   }
 
-  getWeekNumber(week: NgbDate[], firstDayOfWeek: number) {
+  getWeekNumber(week: readonly NgbDate[], firstDayOfWeek: number) {
     // in JS Date Sun=0, in ISO 8601 Sun=7
     if (firstDayOfWeek === 7) {
       firstDayOfWeek = 0;