flutter extensions

auto_complete_on_list.dart

extension AutoCompleteOnList<T> on List<T> {
  List<String> autoCompleteOnList(String query) {
    return where((T element) {
      String option = element.toString();

      return option.toLowerCase().contains(query.toLowerCase());
    }).map((T e) => e.toString()).toList();
  }
}

context_extension.dart

import 'package:flutter/material.dart';
import 'package:super_app/app.dart';
import 'package:super_app/core/core.dart';

extension ThemeExtensionGetter on BuildContext {
  /// Usage example: `context.colors`
  AppColorThemeExt get colors =>
      Theme.of(this).extension<AppColorThemeExt>() ??
      lightThemeExtension.firstWhere((ThemeExtension<dynamic> element) =>
          element.type == AppColorThemeExt) as AppColorThemeExt;

  /// Usage example: `context.styles`
  AppStyleThemeExt get styles =>
      Theme.of(this).extension<AppStyleThemeExt>() ??
      lightThemeExtension.firstWhere((ThemeExtension<dynamic> element) =>
          element.type == AppStyleThemeExt) as AppStyleThemeExt;
}

copy_on_text_tapped.dart

import 'package:components/components.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:super_app/core/core.dart';

extension CopyOnTextTapped on Text {
  Widget copyToClipboardOnTapped(BuildContext context) {
    return GestureDetector(
      onTap: () {
        data?.let((String self) {
          Clipboard.setData(ClipboardData(text: self));
          print('Copied to clipboard: $self');

          ToastHelper.success('Copied to clipboard');
        });
      },
      child: Material(
        color: Colors.transparent,
        child: this,
      ),
    );
  }
}

date_time_extension.dart

import 'package:intl/intl.dart';

extension DateTimeExtension on DateTime {
  /// dd MMM yyyy
  String get toReadableDate =>
      DateFormat('dd MMM yyyy', 'en_US').format(this).toString();

  /// HH:mm:ss
  String get toTime => DateFormat('HH:mm:ss', 'en_US').format(this).toString();

  /// HH:mm
  String get toTimeShort =>
      DateFormat('HH:mm', 'en_US').format(this).toString();

  /// yyyyMMdd
  String get toApiFormat =>
      DateFormat('yyyyMMdd', 'en_US').format(this).toString();

  /// dd
  String get toDay => DateFormat('dd', 'en_US').format(this).toString();

  /// MMM
  String get toMonthName => DateFormat('MMM', 'en_US').format(this).toString();

  /// MMM
  String get toMonth => DateFormat('MM', 'en_US').format(this).toString();

  /// yyyy
  String get toYear => DateFormat('yyyy', 'en_US').format(this).toString();

  /// 1 Day / xx Days
  String getReadableDuration(DateTime? other) {
    Duration? duration = other?.difference(this);
    int? days = duration?.inDays ?? 0;

    if (days == 1) {
      return '1 Day';
    }
    return '${NumberFormat().format(days)} Days';
  }
}

dio_exception.dart

import 'package:dio/dio.dart';
import 'package:super_app/core/core.dart';

extension HelperDioException on DioException {
  String? get getErrorMessage {
    ErrorResponse errorResponse = ErrorResponse.fromJson(response?.data);
    String? joinnedErrors = errorResponse.error?.errorMessages?.join('\n\n');

    return joinnedErrors;
  }
}

ext_on_list.dart

extension HelperOnList<T> on List<T> {
  List<T> get unmodifiable => List<T>.unmodifiable(this);
  List<T> get copy => List<T>.from(this);
}

extensions.dart

export 'auto_complete_on_list.dart';
export 'context_extension.dart';
export 'copy_on_text_tapped.dart';
export 'date_time_extension.dart';
export 'dio_exception.dart';
export 'ext_on_list.dart';
export 'flexible_padding_extension.dart';
export 'inkwell_wrapper_on_widget.dart';
export 'nullable_bool_extension.dart';
export 'nullable_object_extension.dart';
export 'nullable_string_extension.dart';
export 'object_extension.dart';
export 'string_extension.dart';
export 'tooltip_on_text.dart';
export 'wait_frame_to_run_function.dart';

flexible_padding_extension.dart

import 'package:flutter/widgets.dart';

enum LargePaddingType {
  horizontal,
  vertical,
  all,
}

extension FlexiblePaddingExtension on Widget {
  Widget withLargePadding({
    LargePaddingType largePaddingType = LargePaddingType.all,
  }) {
    switch (largePaddingType) {
      case LargePaddingType.horizontal:
        return Padding(
          padding: const EdgeInsets.symmetric(horizontal: 16.0),
          child: this,
        );
      case LargePaddingType.vertical:
        return Padding(
          padding: const EdgeInsets.symmetric(vertical: 16.0),
          child: this,
        );
      case LargePaddingType.all:
      default:
        return Padding(
          padding: const EdgeInsets.all(16.0),
          child: this,
        );
    }
  }
}

inkwell_wrapper_on_widget.dart

import 'package:components/components.dart';
import 'package:flutter/material.dart';

extension InkWellWrapperOnWidget on Widget {
  Widget withInkWellWrapper({
    required VoidCallback? onTap,
    BorderRadius? borderRadius,
    Color? splashColor,
    Color? highlightColor,
    Color? backgroundColor,
    EdgeInsetsGeometry? padding,
    ShapeBorder? shape,
    Key? key,
  }) {
    return Material(
      color: backgroundColor ?? Colors.transparent,
      shape: shape ??
          RoundedRectangleBorder(
            borderRadius: borderRadius ?? MrtRoundedBorder.largeRound,
          ),
      child: InkWell(
        key: key,
        onTap: onTap,
        splashColor: splashColor,
        highlightColor: highlightColor,
        customBorder: shape ??
            RoundedRectangleBorder(
              borderRadius: borderRadius ?? MrtRoundedBorder.largeRound,
            ),
        child: Padding(
          padding: padding ?? const EdgeInsets.all(8.0),
          child: this,
        ),
      ),
    );
  }
}

nullable_bool_extension.dart

extension NullableBoolExtension on bool? {
  bool get isTrue => this == true;
  bool get isFalse => this == false;
}

nullable_object_extension.dart

extension NullableObjectExtension on Object? {
  bool get notNull => this != null;
  bool get isNull => this == null;
}

nullable_string_extension.dart

extension NullableStringExtension on String? {
  bool get emptyOrNull {
    return this == null &&
        (this?.isEmpty == true || this?.trim().isEmpty == true);
  }

  bool get notEmptyOrNull {
    return this != null &&
        this?.isNotEmpty == true &&
        this?.trim().isNotEmpty == true;
  }
}

object_extension.dart

import 'dart:convert';

extension ObjectExtension on Object {
  String toJson() {
    return jsonEncode(this);
  }

  Object? fromJson() {
    return jsonDecode(toString());
  }
}

string_extension.dart

import 'dart:developer';

import 'package:intl/intl.dart';
import 'package:super_app/core/core.dart';

extension StringExtension on String {
  /// format dd MMM yyyy to DateTime
  DateTime? get toDateFromReadableFormat {
    if (isEmpty) return null;

    try {
      return DateFormat('dd MMM yyyy', 'en_US').parse(this);
    } catch (e) {
      return null;
    }
  }

  /// format dd/MM/yyyy to DateTime
  DateTime? get toDateFromSlashedFormat {
    if (isEmpty) return null;

    try {
      return DateFormat('dd/MM/yyyy', 'en_US').parse(this);
    } catch (e) {
      return null;
    }
  }

  /// format DateTime to dd/MM/yyyy String
  String? get toReadableFromSlashedFormat {
    if (isEmpty) return null;

    try {
      return DateFormat('dd/MM/yyyy', 'en_US').parse(this).toReadableDate;
    } catch (e) {
      return null;
    }
  }

  /// format dd MMM yyyy to DateTime
  DateTime? get toDateFromApi {
    if (isEmpty) return null;

    try {
      return DateFormat('dd MMM yy', 'en_US').parse(capitalize);
    } catch (e) {
      log(
        e.toString(),
        name: 'str.ext',
      );
      return null;
    }
  }

  DateTime? get toDateTimeFromApi {
    if (isEmpty) return null;

    try {
      return DateFormat('dd MMM yy HH:mm', 'en_US').parse(capitalize);
    } catch (e) {
      log(
        e.toString(),
        name: 'str.ext',
      );
      return null;
    }
  }

  String ellipsize({int maxChar = 8}) =>
      length > (maxChar + 2) ? '${substring(0, maxChar)}...' : this;

  String get capitalize {
    if (isEmpty) {
      return this;
    }
    List<String> words = split(' ');
    Iterable<String> capitalizedWords = words.map((String word) {
      if (word.isEmpty) {
        return word;
      }
      return word[0].toUpperCase() + word.substring(1).toLowerCase();
    });

    return capitalizedWords.join(' ');
  }

  bool nestedContains(List<String> values) {
    if (isEmpty) {
      return false;
    }

    for (String value in values) {
      if (!contains(value)) {
        return false;
      }
    }

    return true;
  }
}

tooltip_on_text.dart

import 'package:flutter/material.dart';

extension TooltipOnText on Text {
  Widget withTooltip() {
    return Tooltip(
      message: data ?? '',
      triggerMode: TooltipTriggerMode.tap,
      enableFeedback: true,
      child: this,
    );
  }
}

wait_frame_to_run_function.dart

extension WaitFrameToRunFunction on Function() {
  Future<void> waitFrameToRun() async {
    Future<void>.microtask(() {
      this.call();
    });
  }
}

extension WaitFrameToRunFunctionWithArg<T> on Function(T) {
  Future<void> waitFrameToRun(T arg) async {
    Future<void>.microtask(() {
      this.call(arg);
    });
  }
}

extension WaitFrameToRunFunctionWithArg2<T, U> on Function(T, U) {
  Future<void> waitFrameToRun(T arg1, U arg2) async {
    Future<void>.microtask(() {
      this.call(arg1, arg2);
    });
  }
}