https://github.com/mattrltrent/core_utils
A Flutter Pub package that contains common utilities.
https://github.com/mattrltrent/core_utils
dart flutter package pub
Last synced: about 1 year ago
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A Flutter Pub package that contains common utilities.
- Host: GitHub
- URL: https://github.com/mattrltrent/core_utils
- Owner: mattrltrent
- License: mit
- Created: 2022-10-24T19:08:03.000Z (over 3 years ago)
- Default Branch: main
- Last Pushed: 2023-12-02T03:38:46.000Z (over 2 years ago)
- Last Synced: 2025-05-12T23:54:43.629Z (about 1 year ago)
- Topics: dart, flutter, package, pub
- Language: C++
- Homepage: https://pub.dev/packages/core_utils
- Size: 6.2 MB
- Stars: 4
- Watchers: 1
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
Awesome Lists containing this project
README
# A package containing helpful utility functions and widgets for Flutter projects.
-> Submit an issue [here](https://github.com/mattrltrent/core_utils/issues).
-> Create a pull request [here](https://github.com/mattrltrent/core_utils/pulls).
-> Contact me via email [here](mailto:me@matthewtrent.me).
## Popular Utils 🔥
- Responsive widget that rebuilds for mobile, tablet, and desktop views.
- `ResponsiveView(mobile: YOUR_WIDGET, tablet: YOUR_WIDGET, desktop: YOUR_WIDGET)`
- Shorthands for `MediaQuery.of(context).size.HEIGHT/WIDTH * SOME_FRACTION`
- `heightFrac(context, SOME_FRACTION)`
- `widthFrac(context, SOME_FRACTION)`
- Number formatting.
- `largeNumberFormatter(int number)` -> Example: 1812212 to "1.8m"
- `numberPostfix(int number)` -> Example: 4 to "th", or 3 to "rd"
- **And much more, just scroll down for the list of functions/widgets!**
## Example Gif 📸
## Functions: Numbers 📜
### **Checks if the integer passed is plural.**
```dart
bool isPlural(int number);
Example: 13 -> true
```
### **Converts large numbers into smaller representations with letters.**
```dart
String largeNumberFormatter(
int number, {
String billionLetter = "b",
String millionLetter = "m",
String thousandLetter = "k",
});
```
Example: 1,812,398 -> "1.8m"
### **Adds a postfix to numbers.**
```dart
String numberPostfix(int number);
```
Example: 4 -> "4th"
## Functions: Sizing 📜
### **Height fraction of screen, up to a set point.**
```dart
double heightBreakpointFrac(Buildcontext context, double fraction, double lockPoint);
```
Example: If you set fraction as 1/4, then this will return 1/4 \* screen
height up to the point that you set as lockPoint.
### **Width fraction of screen, up to a set point.**
```dart
double widthBreakpointFrac(Buildcontext context, double fraction, double lockPoint);
```
Example: If you set fraction as 1/4, then this will return 1/4 \* screen
width up to the point that you set as lockPoint.
### **Height fraction of screen.**
```dart
double heightFrac(BuildContext context, double fraction);
```
Example: If you set fraction as 1/5, then it will return
1/5 \* screen height.
### **Width fraction of screen.**
```dart
double widthFrac(BuildContext context, double fraction);
```
Example: If you set fraction as 1/5, then it will return
1/5 \* screen width.
### **Height excluding top or bottom safe area.**
```dart
double heightWithoutSafeArea(BuildContext context,{bool withoutTopSafeArea = true, bool withoutBottomSafeArea = true});
```
Example: Will return the height of the screen excluding
either the top or bottom safe area heights.
### **Number until limit.**
```dart
double numberUntilLimit(double number, double limit);
```
Example: If number is the screen width and limit is 200, then this will
return the screen width until limit is reached, then it will just
return 200.
## Functions: Types 📜
### **Checks if value is null.**
```dart
bool isNull(dynamic value);
```
Example: If null is passed, this will return true. Otherwise, it
would return false.
### **Checks if value is not null.**
```dart
bool notNull(dynamic value);
```
Example: If "14" is passed, this will return true.
## Functions: Validators 📜
### **Passed String is empty checker.**
```dart
bool emptyValidator(String value);
```
Example: If " " is passed, then it will return false.
### **Passed list of Strings is empty checker.**
```dart
bool multipleEmptyValidator(List values);
```
Example: If ["test1", "test2", " "] is passed, then it will return false;
## Widgets: Sizing 📜
### **Mobile, Tablet, and Desktop view builder.**
```dart
ResponsiveView(
mobile: Scaffold(...),
tablet: Scaffold(...),
desktop: Scaffold(...),
);
```
Example: Builds out 3 different views based on screen width breakpoints.
Breakpoint values can be customized.
### **SizedBox same height as bottom safe area.**
```dart
SimulatedBottomSafeArea(
heightMultiplier: 2,
);
```
Example: Returns a SizedBox with the height of the bottom
safe area \* heightMultiplier. Useful for lists where you desire
them to be scrolled without being wrapped with a SafeArea, but
don't want the last list item to be obscured by it. Usually, placed at
the end of a long list of widgets.
## Additional Info 📣
- The package is always open to improvements, suggestions, and additions!
- I'll deal with PRs and issues as soon as I can!