Update Docs and README

Author: seonmiJin

Docs.md

@@ -111,6 +111,37 @@ ILibDurationFmt(ILibDurationFmtOptions options)
 
 
 # LocaleInfo
+## ILibLocale
+### Properties
+|name|description|
+|------|---|
+|_String_ language|The ISO 639 2-letter code for the language, or a full locale spec in BCP-47 format, or another `ILibLocale` instance to copy from.|
+|_String?_ script|The ISO 15924 code of the script for this locale, if any.|
+|_String?_ region|The ISO 3166 2-letter code for the region.|
+|_String?_ variant|The name of the variant of this locale, if any.|
+
+### Constructors
+```dart
+ILibLocale([Object? language, String? region, String? variant, String? script])
+```
+
+### Methods
+|name|description|
+|------|---|
+|_String_ getLanguage()|Return the ISO 639 language code of the locale.|
+|_String?_ getLanguageAlpha3()|Return the ISO 639-3 language code of the locale.|
+|_String?_ getScript()|Return the ISO 15924 script code of the locale.|
+|_String?_ getRegion()|Return the ISO 3166 region code of the locale.|
+|_String?_ getRegionAlpha3()|Return the ISO 3166-3 region code of the locale.|
+|_String?_ getVariant()|Return the variant code of the locale.|
+|_String_ getSpec()|Return the full locale specifier as a string.|
+|_String_ getLangSpec()|Return the language and script specifier of the locale.|
+|_bool_ equals(ILibLocale other)|Check if another locale is exactly equal to this one.|
+|_bool_ isPseudo()|Check if the locale is a pseudo-locale. Pseudo-locales are used for testing localization.|
+|_bool_ isValid()|Check if the locale uses valid ISO codes for its components. Validates language, script, and region codes.|
+|_List<String>_ getAvailableLocales()|Return a list of all available locales (not implemented).|
+
+
 ## ILibLocaleInfo
 ### Properties
 |name|description|
@@ -222,23 +253,3 @@ ILibScriptInfo(String script)
 |_bool_ getNeedsIME()|Return true if this script typically requires an input method engine to enter its characters.|
 |_bool_ getCasing()|Return true if this script uses lower- and upper-case characters.|
 
-# CaseMapper
-## ILibCaseMapper
-### Constructors
-```dart
-ILibCaseMapper({String? locale, String? direction})
-```
-
-### Properties
-|name|description|
-|------|---|
-|_bool_ up|Indicates whether the mapper is set to convert to upper case (true) or lower case (false).|
-|_ILibLocale_ locale|The locale used for locale-sensitive case mapping.|
-|_Map<String, String>_ mapData|The mapping data used for case conversion.|
-
-### Methods
-|name|description|
-|------|---|
-|_ILibLocale_ getLocale()|Return the locale that this mapper was constructed with.|
-|_String?_ map(String? string)|Map a string to upper or lower case in a locale-sensitive manner.|
-

README.md

@@ -196,33 +196,35 @@ To give a more efficient way, we provide some classes that can be easily used in
 Currently, we have the following classes:
 - `ILibCaseMapper`
 - `ILibDateFmt`
-- `ILibLocaleInfo`
+- `ILibDateOptions`
 - `ILibDurationFmt`
+- `ILibLocale`
+- `ILibLocaleInfo`
 - `ILibNumFmt`
 - `ILibScriptInfo`
 
 We have a plan to provide more classes and methods.  
 
-### ILibDate
-- Class: [ILibDateOptions](./Docs.md/#ilibdateoptions)
-
 ### ILibDateFmt
-- Class: [ILibDateFmtOptions](./Docs.md/#ilibdatefmtoptions)  
+- Class: [ILibDateFmtOptions](./Docs.md/#ilibdatefmtoptions)
 - Class: [ILibDateFmt](./Docs.md#ilibdatefmt)
    - Methods: `format()`, `getClock()`, `getTemplate()`, `getMeridiemsRange()`
 
+### ILibDurationFmt
+- Class: [ILibDurationFmtOptions](./Docs.md/#ilibdurationfmtoptions)
+- Class: [ILibDurationFmt](./Docs.md/#ilibdurationfmt)
+   - Methods:  `format()`, `getLocale()`, `getStyle()`, `getLength()`
+
+### ILibDateOptions
+- Class: [ILibDateOptions](./Docs.md/#ilibdateoptions)
+
 ### ILibLocale
 - Class: [ILibLocale](./Docs.md/#iliblocale)
 
 ### ILibLocaleInfo
 - Class: [ILibLocaleInfo](./Docs.md/#iliblocaleinfo)
   - Methods: `getLanguageName()`, `getRegionName()`, `getClock()`, `getLocale()`, `getUnits()`, `getCalendar()`, `getFirstDayOfWeek()`, `getWeekEndStart()`, `getWeekEndEnd()`, `getTimeZone()`, `getDecimalSeparator()`, `getNativeDecimalSeparator()`, `getGroupingSeparator()`, `getNativeGroupingSeparator()`, `getPrimaryGroupingDigits()`, `getSecondaryGroupingDigits()`, `getPercentageFormat()`, `getNegativePercentageFormat()`, `getPercentageSymbol()`, `getExponential()`, `getNativeExponential()`, `getNativePercentageSymbol()`, `getNegativeNumberFormat()`, `getCurrencyFormats()`, `getCurrency()`, `getDigitsStyle()`, `getDigits()`, `getNativeDigits()`, `getRoundingMode()`, `getScript()`, `getDefaultScript()`, `getAllScripts()`, `getMeridiemsStyle()`, `getPaperSize()`, `getDelimiterQuotationStart()`, `getDelimiterQuotationEnd()`
 
-### ILibDurationFmt
-- Class: [ILibDurationFmtOptions](./Docs.md/#ilibdurationfmtoptions)
-- Class: [ILibDurationFmt](./Docs.md/#ilibdurationfmt)
-   - Methods:  `format()`, `getLocale()`, `getStyle()`, `getLength()`
-
 ### ILibNumFmt
 - Clasee: [ILibNumFmtOptions](./Docs.md/#ilibnumfmtoptions)
 - Class: [ILibNumFmt](./Docs.md/#ilibnumfmt)

lib/ilib_casemapper.dart

@@ -28,7 +28,14 @@ class ILibCaseMapper {
       };
     }
 
-    const Set<String> specialLanguages = {'az', 'tr', 'crh', 'kk', 'krc', 'tt'};
+    const Set<String> specialLanguages = <String>{
+      'az',
+      'tr',
+      'crh',
+      'kk',
+      'krc',
+      'tt'
+    };
     if (specialLanguages.contains(this.locale.getLanguage())) {
       _setUpMap('iı', 'İI');
     }

lib/ilib_date.dart

@@ -47,7 +47,7 @@ class ILibDateOptions {
   String toJsonString() {
     int? y = year;
     int? m = month;
-    int? w = week;
+    final int? w = week;
     int? d = day;
     int? h = hour;
     int? min = minute;

lib/ilib_datefmt.dart

@@ -101,7 +101,7 @@ class ILibDateFmt {
   List<MeridiemsInfo> getMeridiemsRange() {
     String result = '';
     final String formatOptions = toJsonString();
-    final List<MeridiemsInfo> meridems = [];
+    final List<MeridiemsInfo> meridems = <MeridiemsInfo>[];
     final String jscode1 =
         'JSON.stringify(new DateFmt($formatOptions).getMeridiemsRange())';
     result = ILibJS.instance.evaluate(jscode1).stringResult;

lib/ilib_locale.dart

@@ -926,7 +926,7 @@ class ILibLocale {
   }
 
   /// A list of all known pseudo-locales.
-  static List<String> pseudoLocales = [
+  static List<String> pseudoLocales = <String>[
     'zxx-XX',
     'zxx-Cyrl-XX',
     'zxx-Hans-XX',

lib/internal/ilib_utils.dart

@@ -32,7 +32,7 @@ bool isValidLocale(String lo) {
 }
 
 List<String> getSupportedLanguages() {
-  final List<String> locales = [
+  final List<String> locales = <String>[
     'af',
     'am',
     'ar',