speed_up

Description:

speed up

speed_up #





Package to speed up your productivity.
Usage #
Object #
someObj.isNull;
someObj.isNotNull;
copied to clipboard
String extensions #
Check String is null or empty
'Some String'.isNullOrEmpty
'Some String'.isNotNullOrEmpty
copied to clipboard
Capitalization
'flutter'.capitalized; // 'Flutter'

'flutter is awesome'.titleCased; // 'Flutter Is Awesome'
copied to clipboard
Equality
str1.isEqualTo(str2);
str1.isEqualTo(str2, ignoreCase: true);
copied to clipboard
Collection extension #
final sum = [1, 2, 3].sum(); // 6

final sum = [Product(price: 100.99), Product(price: 49.99)].sum((p) => p.price);
copied to clipboard
final ordered = orders.orderBy((x) => x.amount, desc: true);
copied to clipboard
final groups = people.groupBy((p) => p.age, map: (p) => p.name);
copied to clipboard
mapWithIndex
const arr = [1, 2, 3];
final arr2 =
arr.mapWithIndex((index, item, isFirst, isLast) => '$index - $item');
print(arr2); // ['0 - 1', '1- 2', '2 -3']
copied to clipboard
Next After
Random
replaceWhere
// Given array
const arr = [1, 2, 3];

// replace by index
final newArray = arr.replaceWhere((index, _) => index == 1, withNewItem: 13);
newArray.should.be([1, 13 ,3]);

// or replace by prop
final newArray = arr.replaceWhere((_, number) => number.isOdd, withNewItem: 13);
newArray.should.be([ 13, 2, 13]);
copied to clipboard
Reorder list
const list = [1, 2, 3, 4, 5];

list.reorderByIndexes(oldIndex: 1, newIndex: 0); // [2, 1, 3, 4, 5]
list.reorder(5, newIndex: 0).toList(); // [5, 1, 2, 3, 4]
copied to clipboard
split_on_pages_by_count
test('split_on_pages_by_count - full pages', () {
final pages = arr.splitOnPagesBy(2).toList();
pages.length.should.be(5);
for (final page in pages) {
page.length.should.be(2);
}
});
copied to clipboard
intersperse #
Puts [element] between every element in list.
Example:
final list1 = intersperse(2, <int>[]); // [];
final list2 = intersperse(2, [0]); // [0];
final list3 = intersperse(2, [0, 0]); // [0, 2, 0];
copied to clipboard
Get image file size #

const fileSize = 1024 * 1024;

// Get file size in closest size suffix
final sizeInMb = FileSizeInfo.getSize(bytes);
log(sizeInKb.getTitle())); // prints '1.oo MB'
log(sizeInKb.getTitle(decimals: 0))); // prints '1 MB'

// Convert to desired suffix
final sizeInKb = sizeInMb.asSuffix(FileSizeSuffix.KB);
log(sizeInKb.getTitle())); // prints '1024 KB'

log();

copied to clipboard
RangeValue type
final numRange = RangeValue(1, 10);
print(numRange.isValid); // true

final start = DateTime.now();
final end = DateTime.now().add(Duration(days: 1));
final dateTimeRange = RangeValue(end, start);

print(dateTimeRange.isValid); // false
copied to clipboard
Debouncer #
Declare it #
final debounce = Debounce(delay: const Duration(milliseconds: 100));
copied to clipboard
and trigger it #
onTextChange(String text) {
_debounce(() => print(text));
}
copied to clipboard
Contributing #
We accept the following contributions:

Improving documentation
Reporting issues
Fixing bugs

Maintainers #

Andrew Piterov