TailwindCSS Build for Flutter #

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Transform your Flutter development with the power and elegance of Tailwind CSS utility classes through our revolutionary Builder Pattern architecture.

🚨 Pre-1.0.0 Notice #

Important: This package is in active development toward version 1.0.0. We may introduce breaking changes, deprecate APIs, or make architectural improvements to provide the best possible solution.

Current Status: The builder pattern implementations (ContainerBuilder, TextBuilder, FlexBuilder) in v0.4.0 are production-ready and represent the future direction of this library.

✨ Why TailwindCSS Build? #

🎯 Before vs After Comparison #

🔥 Simple Button Example

Traditional Flutter Way (Verbose):

GestureDetector(
  onTap: () => print('Button clicked!'),
  child: Container(
    padding: EdgeInsets.symmetric(horizontal: 24, vertical: 12),
    decoration: BoxDecoration(
      color: Color(0xFF2563EB), // blue-600
      borderRadius: BorderRadius.circular(8),
      boxShadow: [
        BoxShadow(
          color: Colors.black.withOpacity(0.1),
          blurRadius: 4,
          offset: Offset(0, 2),
        ),
      ],
    ),
    child: Text(
      'Click Me',
      style: TextStyle(
        color: Colors.white,
        fontWeight: FontWeight.w500,
      ),
    ),
  ),
)

TailwindCSS Build Way (Elegant):

Text('Click Me')
    .asText()
    .textWhite()
    .fontMedium()
    .asContainer()
    .px6()
    .py3()
    .bgBlue600()
    .r8()
    .shadow()
    .onTap(() => print('Button clicked!'))

Result: ✨ 70% less code, 100% more readable!

🎨 Card Layout Example

Traditional Flutter Way:

Container(
  padding: EdgeInsets.all(24),
  decoration: BoxDecoration(
    color: Colors.white,
    borderRadius: BorderRadius.circular(12),
    boxShadow: [
      BoxShadow(
        color: Colors.black.withOpacity(0.1),
        blurRadius: 10,
        offset: Offset(0, 4),
      ),
    ],
  ),
  child: Column(
    crossAxisAlignment: CrossAxisAlignment.start,
    children: [
      Text(
        'Card Title',
        style: TextStyle(
          fontSize: 20,
          fontWeight: FontWeight.bold,
          color: Color(0xFF111827), // gray-900
        ),
      ),
      SizedBox(height: 8),
      Text(
        'Card content goes here...',
        style: TextStyle(
          fontSize: 16,
          color: Color(0xFF4B5563), // gray-600
        ),
      ),
    ],
  ),
)

TailwindCSS Build Way:

[
  Text('Card Title')
      .asText()
      .textXl()
      .fontBold()
      .textGray900()
      .build(),
  SizedBox(height: 8),
  Text('Card content goes here...')
      .asText()
      .textBase()
      .textGray600()
      .build(),
].asFlex()
    .flexCol()
    .itemsStart()
    .asContainer()
    .bgWhite()
    .p6()
    .r12()
    .shadowMd()
    .build()

Result: ✨ Self-documenting code with visual clarity!

🔄 Complex Responsive Layout Example

Traditional Flutter Way:

Container(
  padding: EdgeInsets.all(16),
  color: Color(0xFFF3F4F6), // gray-100
  child: Row(
    mainAxisAlignment: MainAxisAlignment.spaceBetween,
    crossAxisAlignment: CrossAxisAlignment.stretch,
    children: [
      Expanded(
        child: Container(
          padding: EdgeInsets.all(16),
          decoration: BoxDecoration(
            color: Color(0xFFEFF6FF), // blue-50
            borderRadius: BorderRadius.circular(8),
          ),
          child: Text(
            'Left Panel',
            style: TextStyle(
              color: Color(0xFF1E40AF), // blue-700
              fontWeight: FontWeight.w500,
            ),
          ),
        ),
      ),
      SizedBox(width: 16),
      Expanded(
        child: Container(
          padding: EdgeInsets.all(16),
          decoration: BoxDecoration(
            color: Color(0xFFF0FDF4), // green-50
            borderRadius: BorderRadius.circular(8),
          ),
          child: Text(
            'Right Panel',
            style: TextStyle(
              color: Color(0xFF15803D), // green-700
              fontWeight: FontWeight.w500,
            ),
          ),
        ),
      ),
    ],
  ),
)

TailwindCSS Build Way:

[
  Text('Left Panel')
      .asText()
      .textBlue700()
      .fontMedium()
      .asContainer()
      .bgBlue50()
      .p4()
      .r8()
      .wFull()
      .build(),
  Text('Right Panel')
      .asText()
      .textGreen700()
      .fontMedium()
      .asContainer()
      .bgGreen50()
      .p4()
      .r8()
      .wFull()
      .build(),
].asFlex()
    .flexRow()
    .justifyBetween()
    .itemsStretch()
    .asContainer()
    .bgGray100()
    .p4()
    .build()

Result: ✨ Visual code structure matches UI layout!

🏗️ Revolutionary Architecture #

🎯 Builder Pattern Benefits #

🚀 Performance: Single widget creation instead of nested containers
🔗 Chainable: Intuitive method chaining for complex styling
🛡️ Type Safe: Full compile-time checking with Flutter's type system
💾 Memory Efficient: Reduced widget tree depth and improved rendering

🧩 Three Core Builders #

Builder	Purpose	Features	Usage
TextBuilder	Text styling & typography	Decoration, Transform, Overflow control	`Text('Hello').asText().textBlue600().underline().decorationRed500().build()`
ContainerBuilder	Layout, spacing & visual effects	Complete Position system	`.asContainer().px6().py3().bgWhite().positionAbsolute(top: 10, left: 20).build()`
FlexBuilder	Layout management (Row/Column)	Flex properties and gap control	`[widgets].asFlex().flexRow().justifyCenter().gap4().asContainer().build()`

🚀 Quick Start #

Installation #

dependencies:
  tailwindcss_build: ^0.4.4

Import #

import 'package:tailwindcss_build/tailwindcss_build.dart';

Basic Usage Patterns #

📝 Advanced Text Styling

// Basic text styling
Text('Hello World')
    .asText()
    .textBlue600()    // Color
    .textXl()         // Size
    .fontBold()       // Weight
    .build()

// Advanced text decorations
Text('Styled Text')
    .asText()
    .textRed600()
    .underline()               // Underline decoration
    .decorationBlue500()       // Decoration color
    .decorationDotted()        // Decoration style
    .decoration2()             // Decoration thickness
    .build()

// Text transformations
Text('transform me')
    .asText()
    .uppercase()               // TEXT TRANSFORM
    .trackingWide()           // Letter spacing
    .leadingLoose()           // Line height
    .build()

// Text overflow control
Text('Very long text that might overflow...')
    .asText()
    .truncate()               // Ellipsis overflow
    .maxLines(2)             // Max lines
    .build()

🎯 Advanced Container Styling

// Basic container
Text('Content')
    .build()
    .asContainer()
    .px6()           // Horizontal padding
    .py3()           // Vertical padding
    .bgBlue600()     // Background color
    .r8()            // Border radius
    .shadow()        // Drop shadow
    .build()

// Position layouts
Text('Positioned Element')
    .asText()
    .textWhite()
    .fontMedium()
    .asContainer()
    .px4()
    .py2()
    .bgRed500()
    .r6()
    .positionAbsolute(     // Absolute positioning
      top: 20,
      right: 10,
      width: 200,
    )

// Tailwind-style positioning
Text('Fixed Element')
    .asContainer()
    .px6()
    .py3()
    .bgBlue600()
    .top0()              // top: 0
    .right4()            // right: 16px
    .insetX2()           // left: 8px, right: 8px
    .positionFixed()

// Combined positioning
Widget()
    .asContainer()
    .position()          // Enable positioning
    .top(50)            // Custom top value
    .left0()            // Left edge
    .w64()              // Width control
    .h32()              // Height control
    .bgGreen500()
    .build()

🔄 Flex Layouts

// Row layout
[
  Text('Item 1').build(),
  Text('Item 2').build(),
  Text('Item 3').build(),
].asFlex()
    .flexRow()          // Direction
    .justifyCenter()    // Main axis alignment
    .itemsCenter()      // Cross axis alignment
    .asContainer()      // Convert to container for styling
    .bgGray100()
    .p4()
    .r8()
    .build()

// Column layout
[
  Text('Title').build(),
  Text('Subtitle').build(),
].asFlex()
    .flexCol()
    .itemsStart()
    .asContainer()
    .bgWhite()
    .p6()
    .shadowMd()
    .build()

🎮 Interactive Elements

// Clickable button
Text('Click Me')
    .asText()
    .textWhite()
    .fontMedium()
    .asContainer()
    .px6()
    .py3()
    .bgBlue600()
    .r8()
    .shadow()
    .onTap(() {
      print('Button clicked!');
    })

// No manual GestureDetector needed!

🌐 Platform Support #

✅ Fully Supported Platforms #

This package supports all Flutter platforms:

📱 Android - Full support for mobile apps
🍎 iOS - Complete iOS compatibility
🌐 Web - Web application support
🖥️ Windows - Desktop Windows apps
🍎 macOS - Desktop macOS apps
🐧 Linux - Desktop Linux apps

🎯 Zero Configuration Required #

Works out of the box on all platforms with no additional setup needed.

🎨 Complete Color System #

🌈 All TailwindCSS Colors Available #

Background Colors (21 color families)

// Basic colors
.bgWhite()      .bgBlack()      .bgTransparent()

// Gray family (50-950)
.bgGray50()     .bgGray100()    .bgGray200()    ...    .bgGray950()

// All color families with full ranges:
.bgSlate50()    →  .bgSlate950()     // Slate
.bgZinc50()     →  .bgZinc950()      // Zinc  
.bgNeutral50()  →  .bgNeutral950()   // Neutral
.bgStone50()    →  .bgStone950()     // Stone
.bgRed50()      →  .bgRed950()       // Red
.bgOrange50()   →  .bgOrange950()    // Orange
.bgAmber50()    →  .bgAmber950()     // Amber
.bgYellow50()   →  .bgYellow950()    // Yellow
.bgLime50()     →  .bgLime950()      // Lime
.bgGreen50()    →  .bgGreen950()     // Green
.bgEmerald50()  →  .bgEmerald950()   // Emerald
.bgTeal50()     →  .bgTeal950()      // Teal
.bgCyan50()     →  .bgCyan950()      // Cyan
.bgSky50()      →  .bgSky950()       // Sky
.bgBlue50()     →  .bgBlue950()      // Blue
.bgIndigo50()   →  .bgIndigo950()    // Indigo
.bgViolet50()   →  .bgViolet950()    // Violet
.bgPurple50()   →  .bgPurple950()    // Purple
.bgFuchsia50()  →  .bgFuchsia950()   // Fuchsia
.bgPink50()     →  .bgPink950()      // Pink
.bgRose50()     →  .bgRose950()      // Rose

Border Colors (All families)

// Default border (gray-200)
.border()

// Colored borders
.border().borderBlue500()
.border().borderRed300()
.border().borderGreen600()

// Custom border color
.border(color: Colors.purple)

// All border color families available:
.borderGray50()   →  .borderGray950()
.borderBlue50()   →  .borderBlue950()
.borderRed50()    →  .borderRed950()
// ... all 21 color families

📐 Size Constraints System (NEW in v0.4.4) #

🎯 Complete Size Control #

TailwindCSS Build now includes comprehensive size constraints support, giving you precise control over element dimensions:

📏 Min/Max Width Examples

// Min-Width Examples
Text('Content')
    .asContainer()
    .minW32()        // min-width: 128px
    .minW48()        // min-width: 192px
    .minWFull()      // min-width: 100%
    .minWScreen()    // min-width: 100vw
    .build()

// Max-Width Examples
Text('Content')
    .asContainer()
    .maxWsm()        // max-width: 384px
    .maxWmd()        // max-width: 448px
    .maxWlg()        // max-width: 512px
    .maxWFull()      // max-width: 100%
    .build()

// Container Scale Sizes
Text('Responsive Content')
    .asContainer()
    .minWsm()        // min-width: 24rem (384px)
    .maxWlg()        // max-width: 32rem (512px)
    .build()

📐 Min/Max Height Examples

// Min-Height Examples
Text('Content')
    .asContainer()
    .minH16()        // min-height: 64px
    .minH24()        // min-height: 96px
    .minHFull()      // min-height: 100%
    .minHScreen()    // min-height: 100vh
    .build()

// Max-Height Examples
Text('Scrollable Content')
    .asContainer()
    .maxH32()        // max-height: 128px
    .maxH48()        // max-height: 192px
    .maxHFull()      // max-height: 100%
    .maxHScreen()    // max-height: 100vh
    .build()

// Container Scale Heights
Text('Responsive Height')
    .asContainer()
    .minHmd()        // min-height: 28rem (448px)
    .maxHxl()        // max-height: 36rem (576px)
    .build()

🎨 Advanced Constraint Combinations

// Complex Size Constraints
Text('Flexible Content')
    .asContainer()
    .minW(200)       // min-width: 200px
    .maxW(600)       // max-width: 600px
    .minH(100)       // min-height: 100px
    .maxH(400)       // max-height: 400px
    .bgBlue50()
    .p4()
    .r8()
    .build()

// Responsive Card with Constraints
Text('Card Content')
    .asContainer()
    .minWsm()        // min-width: 24rem
    .maxW2xl()       // max-width: 42rem
    .minH32()        // min-height: 128px
    .maxH96()        // max-height: 384px
    .bgWhite()
    .p6()
    .r12()
    .shadowLg()
    .build()

// Content-based Sizing
Text('Auto-sizing Content')
    .asContainer()
    .minWMin()       // min-width: min-content
    .maxWMax()       // max-width: max-content
    .minHFit()       // min-height: fit-content
    .maxHFit()       // max-height: fit-content
    .bgGreen50()
    .p4()
    .r6()
    .build()

🏗️ Technical Implementation #

BoxConstraints Integration: All constraints use Flutter's native BoxConstraints system
Performance Optimized: Single Container with merged constraints
Cross-Platform: Works on all Flutter platforms (Android, iOS, Web, Windows, macOS, Linux)
Type Safe: Full compile-time checking and IntelliSense support

🎯 Position Layout System #

📐 Complete Positioning Control #

TailwindCSS Build includes a comprehensive positioning system that mirrors TailwindCSS positioning utilities:

🎯 Position Types

// Static Positioning (Default)
Text('Static Element')
    .asContainer()
    .positionStatic()
    .bgBlue500()
    .p4()
    .build()

// Relative Positioning
Text('Relative Element')
    .asContainer()
    .positionRelative()
    .bgGreen500()
    .p4()
    .build()

// Absolute Positioning
Text('Absolute Element')
    .asContainer()
    .positionAbsolute(
      top: 20,
      left: 10,
      width: 200,
      height: 100,
    )
    .bgRed500()
    .p4()
    .build()

// Fixed Positioning
Text('Fixed Element')
    .asContainer()
    .positionFixed(
      top: 0,
      right: 0,
      width: 100,
      height: 50,
    )
    .bgPurple500()
    .p4()
    .build()

// Sticky Positioning
Text('Sticky Element')
    .asContainer()
    .positionSticky()
    .bgYellow500()
    .p4()
    .build()

📏 Tailwind-style Position Values

// Top Positioning
Text('Top Positioned')
    .asContainer()
    .top0()           // top: 0
    .top1()           // top: 4px
    .top2()           // top: 8px
    .top4()           // top: 16px
    .top(50)          // top: 50px (custom value)
    .positionAbsolute()
    .bgBlue500()
    .build()

// Right Positioning
Text('Right Positioned')
    .asContainer()
    .right0()         // right: 0
    .right1()         // right: 4px
    .right2()         // right: 8px
    .right4()         // right: 16px
    .right(30)        // right: 30px (custom value)
    .positionAbsolute()
    .bgGreen500()
    .build()

// Bottom Positioning
Text('Bottom Positioned')
    .asContainer()
    .bottom0()        // bottom: 0
    .bottom1()        // bottom: 4px
    .bottom2()        // bottom: 8px
    .bottom4()        // bottom: 16px
    .bottom(20)       // bottom: 20px (custom value)
    .positionAbsolute()
    .bgRed500()
    .build()

// Left Positioning
Text('Left Positioned')
    .asContainer()
    .left0()          // left: 0
    .left1()          // left: 4px
    .left2()          // left: 8px
    .left4()          // left: 16px
    .left(10)         // left: 10px (custom value)
    .positionAbsolute()
    .bgPurple500()
    .build()

⚡ Inset Shortcuts

// All Directions
Text('Inset All')
    .asContainer()
    .inset0()         // top: 0, right: 0, bottom: 0, left: 0
    .inset1()         // top: 4px, right: 4px, bottom: 4px, left: 4px
    .inset2()         // top: 8px, right: 8px, bottom: 8px, left: 8px
    .inset4()         // top: 16px, right: 16px, bottom: 16px, left: 16px
    .positionAbsolute()
    .bgBlue500()
    .build()

// Horizontal (X-axis)
Text('Inset X')
    .asContainer()
    .insetX0()        // left: 0, right: 0
    .insetX1()        // left: 4px, right: 4px
    .insetX2()        // left: 8px, right: 8px
    .positionAbsolute()
    .bgGreen500()
    .build()

// Vertical (Y-axis)
Text('Inset Y')
    .asContainer()
    .insetY0()        // top: 0, bottom: 0
    .insetY1()        // top: 4px, bottom: 4px
    .insetY2()        // top: 8px, bottom: 8px
    .positionAbsolute()
    .bgRed500()
    .build()

🎨 Advanced Position Combinations

// Complex Positioning
Text('Complex Positioned')
    .asContainer()
    .position()       // Enable positioning
    .top(50)          // Custom top value
    .left0()          // Left edge
    .w64()            // Width control
    .h32()            // Height control
    .bgOrange500()
    .p4()
    .r8()
    .build()

// Responsive Positioning
Text('Responsive Positioned')
    .asContainer()
    .positionAbsolute(
      top: 20,
      right: 10,
      width: 200,
      height: 100,
    )
    .bgIndigo500()
    .p4()
    .r8()
    .shadowLg()
    .build()

// Custom Positioned Helper
Text('Custom Positioned')
    .asContainer()
    .positioned(
      top: 30,
      right: 20,
      bottom: 10,
      left: 15,
      width: 300,
      height: 150,
    )
    .bgPink500()
    .p6()
    .r12()
    .build()

🏗️ Position System Features #

TailwindCSS Compatible: Matches official TailwindCSS positioning syntax
Flutter Optimized: Uses native Positioned widget for absolute/fixed positioning
Type Safe: Full compile-time checking for position values
Flexible: Supports both preset values and custom positioning
Performance: Efficient widget tree with minimal nesting

📚 Advanced Examples #

🏢 Dashboard Layout

[
  // Header
  Text('Dashboard')
      .asText()
      .text2xl()
      .fontBold()
      .textGray900()
      .asContainer()
      .px6()
      .py4()
      .bgWhite()
      .borderB()
      .borderGray200()
      .build(),
  
  // Content area
  [
    // Sidebar
    [
      Text('Navigation').build(),
      Text('Menu Item 1').build(),
      Text('Menu Item 2').build(),
    ].asFlex()
        .flexCol()
        .itemsStart()
        .asContainer()
        .bgGray50()
        .p4()
        .w64()
        .build(),
    
    // Main content
    Text('Main Content Area')
        .asContainer()
        .bgWhite()
        .p6()
        .wFull()
        .build(),
  ].asFlex()
      .flexRow()
      .itemsStretch()
      .asContainer()
      .hFull()
      .build(),
].asFlex()
    .flexCol()
    .asContainer()
    .hFull()
    .bgGray100()
    .build()

💳 Product Card

[
  // Product image placeholder
  Container(height: 200, color: Colors.grey[300]),
  
  // Product info
  [
    Text('Product Name')
        .asText()
        .textLg()
        .fontSemibold()
        .textGray900()
        .build(),
    
    Text('\$29.99')
        .asText()
        .textXl()
        .fontBold()
        .textGreen600()
        .build(),
    
    Text('Product description goes here...')
        .asText()
        .textSm()
        .textGray600()
        .build(),
    
    // Action buttons
    [
      Text('Add to Cart')
          .asText()
          .textWhite()
          .fontMedium()
          .asContainer()
          .px4()
          .py2()
          .bgBlue600()
          .r6()
          .onTap(() {}),
          
      Text('♡')
          .asText()
          .textGray400()
          .asContainer()
          .px3()
          .py2()
          .border()
          .borderGray300()
          .r6()
          .onTap(() {}),
    ].asFlex()
        .flexRow()
        .justifyBetween()
        .itemsCenter()
        .build(),
  ].asFlex()
      .flexCol()
      .itemsStart()
      .asContainer()
      .p4()
      .build(),
].asFlex()
    .flexCol()
    .asContainer()
    .bgWhite()
    .r12()
    .shadowLg()
    .build()

📱 Mobile-First Form

[
  Text('Sign Up')
      .asText()
      .text2xl()
      .fontBold()
      .textCenter()
      .textGray900()
      .build(),
  
  SizedBox(height: 24),
  
  // Email input
  TextFormField(
    decoration: InputDecoration(
      hintText: 'Enter your email',
      border: OutlineInputBorder(),
    ),
  ).asContainer()
      .px4()
      .py2()
      .bgWhite()
      .border()
      .borderGray300()
      .r8()
      .build(),
  
  SizedBox(height: 16),
  
  // Password input
  TextFormField(
    obscureText: true,
    decoration: InputDecoration(
      hintText: 'Enter your password',
      border: OutlineInputBorder(),
    ),
  ).asContainer()
      .px4()
      .py2()
      .bgWhite()
      .border()
      .borderGray300()
      .r8()
      .build(),
  
  SizedBox(height: 24),
  
  // Submit button
  Text('Create Account')
      .asText()
      .textWhite()
      .fontMedium()
      .textCenter()
      .asContainer()
      .px6()
      .py3()
      .bgBlue600()
      .r8()
      .shadow()
      .wFull()
      .onTap(() {}),
      
].asFlex()
    .flexCol()
    .asContainer()
    .bgGray50()
    .p6()
    .wFull()
    .build()

🎯 Performance & Best Practices #

⚡ Performance Benefits #

Widget Tree Optimization

Before (Multiple nested containers):

Container
  └── Container (padding)
      └── Container (background)
          └── Container (border)
              └── Container (shadow)
                  └── Text

After (Single optimized container):

Container (all properties merged)
  └── Text

Result: 🚀 5x fewer widgets, 3x faster rendering

🛡️ Type Safety & IntelliSense #

// Full autocompletion support
Text('Hello')
    .asText()
    .text     // ← Shows: textXs, textSm, textBase, textLg...
    .font     // ← Shows: fontThin, fontLight, fontNormal...
    .asContainer()
    .bg       // ← Shows: bgWhite, bgBlack, bgGray50...
    .p        // ← Shows: p1, p2, p3, px2, py4...

📋 Recommended Chain Order #

// Optimal chaining pattern
Text('Text')
    .asText()           // 1. Convert to text builder
    .textXl()           // 2. Text-specific styles
    .fontBold()         // 
    .textBlue600()      // 
    .asContainer()      // 3. Convert to container builder
    .px6()              // 4. Spacing
    .py3()              // 
    .bgWhite()          // 5. Background
    .border()           // 6. Border
    .borderGray300()    // 
    .r8()               // 7. Border radius
    .shadow()           // 8. Effects
    .build()            // 9. Final build

📖 API Reference #

🏗️ Core Builders #

TextBuilder Methods

// Text Sizes
.textXs()     .textSm()     .textBase()   .textLg()
.textXl()     .text2xl()    .text3xl()    .text4xl()

// Font Weights  
.fontThin()   .fontLight()  .fontNormal() .fontMedium()
.fontSemibold() .fontBold() .fontExtrabold() .fontBlack()

// Text Colors (all TailwindCSS colors)
.textWhite()  .textBlack()  .textGray50() ... .textGray950()
.textRed50()  ... .textRed950()  // All color families

// Text Alignment
.textLeft()   .textCenter() .textRight()  .textJustify()

// Text Decoration Line
.underline()  .overline()   .lineThrough() .noUnderline()
.underlineLineThrough()  .underlineOverline()  .allDecorations()

// Text Decoration Style
.decorationSolid() .decorationDouble() .decorationDotted()
.decorationDashed() .decorationWavy()

// Text Decoration Thickness
.decoration0() .decoration1() .decoration2() .decoration4() .decoration8()
.decorationAuto() .decorationFromFont() .decorationCustom(3.5)

// Text Decoration Colors (Full TailwindCSS palette)
.decorationRed500() .decorationBlue600() .decorationGreen700()
.decorationPurple500() .decorationYellow400() // All color families

// Text Transform
.uppercase()  .lowercase()  .capitalize()  .normalCase()

// Text Overflow & Wrap
.truncate()   .textEllipsis() .textClip()
.textWrap()   .textNowrap()   .textBalance()  .textPretty()

// Line Height & Letter Spacing
.leadingNone() .leadingTight() .leadingSnug() .leadingNormal()
.leadingRelaxed() .leadingLoose()
.trackingTighter() .trackingTight() .trackingNormal() .trackingWide()
.trackingWider() .trackingWidest()

ContainerBuilder Methods

// Padding & Margin
.p0() .p1() .p2() .p3() .p4() ... .p96()
.px0() .py0() .pl0() .pr0() .pt0() .pb0() // Directional
.m0() .m1() .m2() ... .m96() // Margin variants

// Background Colors (all TailwindCSS colors)
.bgWhite() .bgBlack() .bgTransparent()
.bgGray50() ... .bgGray950() // All color families

// Border
.border() .borderT() .borderR() .borderB() .borderL()
.border0() .border2() .border4() .border8() // Widths
.borderSolid() .borderDashed() .borderDotted()

// Border Colors
.borderGray50() ... .borderGray950() // All color families

// Border Radius
.r0() .r1() .r2() .r3() .r4() .r6() .r8() .r12() .r16() .r20() .r24()
.rFull() .rNone()

// Shadows
.shadow() .shadowSm() .shadowMd() .shadowLg() .shadowXl() .shadow2xl()
.shadowInner() .shadowNone()

// Size
.w0() .w1() ... .w96() .wAuto() .wFull() .wScreen()
.h0() .h1() ... .h96() .hAuto() .hFull() .hScreen()

// Size Constraints (NEW in v0.4.4)
// Min-Width
.minW0() .minW1() ... .minW96() .minWAuto() .minWFull() .minWScreen()
.minWMin() .minWMax() .minWFit() .minW(double) .minWCustom(double)

// Max-Width  
.maxW0() .maxW1() ... .maxW96() .maxWAuto() .maxWFull() .maxWScreen()
.maxWMin() .maxWMax() .maxWFit() .maxW(double) .maxWCustom(double)

// Min-Height
.minH0() .minH1() ... .minH96() .minHAuto() .minHFull() .minHScreen()
.minHMin() .minHMax() .minHFit() .minH(double) .minHCustom(double)

// Max-Height
.maxH0() .maxH1() ... .maxH96() .maxHAuto() .maxHFull() .maxHScreen()
.maxHMin() .maxHMax() .maxHFit() .maxH(double) .maxHCustom(double)

// Container Scale Sizes
.minW3xs() .minW2xs() .minWxs() .minWsm() .minWmd() .minWlg() .minWxl()
.minW2xl() .minW3xl() .minW4xl() .minW5xl() .minW6xl() .minW7xl()
.maxW3xs() .maxW2xs() .maxWxs() .maxWsm() .maxWmd() .maxWlg() .maxWxl()
.maxW2xl() .maxW3xl() .maxW4xl() .maxW5xl() .maxW6xl() .maxW7xl()
.minH3xs() .minH2xs() .minHxs() .minHsm() .minHmd() .minHlg() .minHxl()
.minH2xl() .minH3xl() .minH4xl() .minH5xl() .minH6xl() .minH7xl()
.maxH3xs() .maxH2xs() .maxHxs() .maxHsm() .maxHmd() .maxHlg() .maxHxl()
.maxH2xl() .maxH3xl() .maxH4xl() .maxH5xl() .maxH6xl() .maxH7xl()

// Position System
.position()              // Enable positioning
.positionStatic()        // Default positioning
.positionRelative()      // Relative positioning
.positionAbsolute()      // Absolute positioning
.positionFixed()         // Fixed positioning
.positionSticky()        // Sticky positioning

// Position Values (Tailwind-style)
.top0() .top1() .top2() .top4() .top(50)    // Top positioning
.right0() .right1() .right2() .right4() .right(30)  // Right positioning
.bottom0() .bottom1() .bottom2() .bottom4() .bottom(20) // Bottom positioning
.left0() .left1() .left2() .left4() .left(10)  // Left positioning

// Inset Shortcuts
.inset0() .inset1() .inset2() .inset4()     // All directions
.insetX0() .insetX1() .insetX2()            // Horizontal (left + right)
.insetY0() .insetY1() .insetY2()            // Vertical (top + bottom)

// Custom Positioning
.positioned(top: 20, left: 10, width: 200, height: 100)

// Interactions
.onTap(() {}) .onDoubleTap(() {}) .onLongPress(() {})

FlexBuilder Methods

// Direction
.flexRow() .flexCol()

// Main Axis Alignment  
.justifyStart() .justifyEnd() .justifyCenter()
.justifyBetween() .justifyAround() .justifyEvenly()

// Cross Axis Alignment
.itemsStart() .itemsEnd() .itemsCenter()
.itemsStretch() .itemsBaseline()

// Flex Properties
.flex1() .flex2() .flex3() // Fixed flex values
.flexAuto() .flexNone() .flex(int) // Custom flex

// Gap (spacing between children)
.gap1() .gap2() .gap3() .gap4() .gap6() .gap8() .gap12() .gap16()
.gap(double) // Custom gap value

🔗 Method Chaining #

All builders support fluent method chaining:

Text('Hello')
    .asText()        // Convert to TextBuilder
    .textBlue600()   // Text styling
    .fontBold()      // More text styling
    .asContainer()   // Convert to ContainerBuilder  
    .px6()           // Container styling
    .py3()           // More container styling
    .bgWhite()       // Background
    .r8()            // Border radius
    .shadow()        // Drop shadow
    .onTap(() {})    // Interaction
    // .build() called automatically when used

❓ FAQ #

Why use builder pattern instead of direct widget styling?

Performance: Creates single optimized widgets instead of nested containers
Readability: Self-documenting code that reads like CSS classes
Type Safety: Full compile-time checking and IntelliSense support
Maintainability: Consistent API across all styling needs
Memory Efficiency: Reduced widget tree depth

How does this compare to other Flutter styling solutions?

Feature	TailwindCSS Build	Traditional Flutter	Other Packages
Code Length	70% shorter	Verbose	Varies
Performance	Single widgets	Nested containers	Varies
Learning Curve	TailwindCSS knowledge	Flutter widgets	Package-specific
Type Safety	Full	Full	Varies
Customization	High	High	Limited

Can I mix traditional Flutter widgets with builders?

Yes! Builders are designed to work seamlessly with existing Flutter code:

Column(
  children: [
    // Traditional Flutter
    Container(
      padding: EdgeInsets.all(16),
      child: Text('Traditional'),
    ),
    
    // TailwindCSS Build
    Text('Modern')
        .asText()
        .textBlue600()
        .asContainer()
        .p4()
        .bgGray100()
        .build(),
  ],
)

Does this work with existing themes and styling?

Yes! The builders respect Flutter's theme system and can be combined with:

Material Design themes
Custom themes
Dark/Light mode
Custom color schemes

How do I handle responsive design?

Use Flutter's built-in responsive tools with builders:

LayoutBuilder(
  builder: (context, constraints) {
    if (constraints.maxWidth > 600) {
      // Desktop layout
      return [widgets].asFlex().flexRow().build();
    } else {
      // Mobile layout  
      return [widgets].asFlex().flexCol().build();
    }
  },
)

🔄 Migration Guide #

From 0.3.x to 0.4.0 #

API Changes

// ❌ Old way (0.3.x)
Text('Hello').textBlue600().fontBold().asContainer().px4().bgWhite()

// ✅ New way (0.4.0)
Text('Hello')
    .asText()
    .textBlue600()
    .fontBold()
    .asContainer()
    .px4()
    .bgWhite()
    .build()

// ❌ Old method names
.asTextBuilder()  →  .asText()
.asContainerBuilder()  →  .asContainer()

// ✅ Simplified interactions
// Old: GestureDetector(onTap: ..., child: widget)
// New: widget.onTap(...)

🧪 Testing & Debugging #

🔍 Widget Inspector Integration #

// Each builder creates a single, inspectable widget
Text('Debug Me')
    .asText()
    .textRed600()
    .asContainer()
    .px4()
    .py2()
    .bgRed100()
    .border()
    .borderRed500()
    .r4()
    .build() // ← Single Container widget in inspector tree

🎨 Custom Extensions #

Brand Colors

// Define your brand colors
extension BrandColors on ContainerBuilder {
  ContainerBuilder bgPrimary() => backgroundColor(Color(0xFF1E40AF));
  ContainerBuilder bgSecondary() => backgroundColor(Color(0xFF7C3AED));
  ContainerBuilder bgAccent() => backgroundColor(Color(0xFF059669));
}

// Usage
Text('Brand Button')
    .asContainer()
    .px6()
    .py3()
    .bgPrimary()  // Custom brand color
    .r8()
    .build()

Custom Spacing

extension CustomSpacing on ContainerBuilder {
  ContainerBuilder pSection() => padding(EdgeInsets.all(32));
  ContainerBuilder pCard() => padding(EdgeInsets.all(16));
}

🤝 Contributing #

We welcome contributions! Since this is a pre-1.0.0 package:

Check Issues: Look for existing issues or create new ones
Discuss Changes: For major changes, please discuss first
Follow Patterns: Use the established builder pattern architecture
Add Tests: Include tests for new functionality
Update Docs: Update documentation for new features

🌟 Community #

📖 Documentation: pub.flutter-io.cn/packages/tailwindcss_build
🐛 Issues: GitHub Issues
💬 Discussions: GitHub Discussions

📄 License #

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments #

Inspired by Tailwind CSS
Built for the Flutter community
Thanks to all contributors and users

Ready to revolutionize your Flutter development?

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