kangabru

// Before: untyped 😥
const form1 = new FormData()

form1.get('url') // Is 'url' expected?
form1.append('image', '?') // Do I pass in a string or blob?


// After: same functionality but with types 😁
const form2 = TypedFormData<{ title: string, image: Blob }>()

kangabru

import 'dart:math';
import 'dart:ui' as ui;
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

/// The radius of the mag glass.
const double _RADIUS = 60.0;

/// The distance the mag glass will be offset from the touch point.
const double _OFFSET = _RADIUS * 1.5;

kangabru

import 'dart:typed_data';
import 'dart:ui' as ui;

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

// Note: [ui.Image] represents the lower level image data while [Image] represents a renderable image.

/// Provides the ability to take screenshots of specific widgets.
mixin Screenshot<T extends StatefulWidget> on State<T> {

kangabru

import 'package:flutter/material.dart';
import './animation_mixins.dart'; // See my other gist for this

/// A scrollable horizontal list which animates into place on load.
class ListPicker extends StatefulWidget {
  final List<Widget> children;
  final double paddingX, paddingY;
  const ListPicker({
    this.children,
    this.paddingX = 12.0,

kangabru

import 'package:flutter/material.dart';
import './animation_mixins.dart'; // See my other gist for this

// Ímplicitly animates an int to the given value.
class AnimatedInt extends StatelessWidget {
  final int value;
  final Duration duration; // milliseconds
  final TextStyle style;
  AnimatedInt({
    @required this.value,

kangabru

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

/// A mixin to perform context dependent function when the widget loads.
mixin FirstLoad<T extends StatefulWidget> on State<T> {
  bool _hasLoaded = false;
  bool get isFirstLoad => !_hasLoaded;

  /// Calls the given callback on the first load only.
  /// This should NOT be called in [initState] as the UI will not have rendered it.

kangabru

import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:xml/xml.dart';
import 'package:flutter/services.dart';

/// An example widget which uses an [SvgOverride] widget to render an SVG with dynamic colors.
class ZenButtonCookie extends StatelessWidget {
  final CookieColor color; // My internal color object. Adapt this for your needs.
  const ZenButtonCookie(this.color);