@@ -5,45 +5,53 @@ This document outlines the improvements made to the pp-dev package build system
55## 🚀 Build Performance Improvements
66
77### 1. Parallel Builds
8+
89- ** Before** : Sequential builds (ESM → CJS → Client)
910- ** After** : Parallel builds using ` npm run build:parallel `
1011- ** Benefit** : ~ 40-60% faster build times
1112
1213### 2. Enhanced Tree-Shaking
14+
1315- Improved module side effects detection
1416- Better property read side effects handling
1517- Strict entry signature preservation
1618
1719### 3. Optimized TypeScript Compilation
20+
1821- Incremental compilation enabled
1922- Build info caching with ` .tsbuildinfo `
2023- Optimized dependency change detection
2124
2225## 📦 Build Outputs
2326
2427### ESM Build (` dist/esm/ ` )
28+
2529- Modern ES modules format
2630- Optimized for tree-shaking
2731- Source maps included
2832
2933### CJS Build (` dist/cjs/ ` )
34+
3035- CommonJS format for Node.js compatibility
3136- Optimized for server-side usage
3237- Source maps included
3338
3439### Type Definitions (` dist/types/ ` )
40+
3541- Full TypeScript declarations
3642- Declaration maps for better IDE support
3743- Clean, optimized type output
3844
3945### Client Build (` dist/client/ ` )
46+
4047- Optimized CSS with SCSS compilation
4148- Asset handling with proper public paths
4249- Source maps for debugging
4350
4451## 🛠️ Build Scripts
4552
4653### Production Builds
54+
4755``` bash
4856# Standard build (parallel)
4957npm run build
@@ -56,6 +64,7 @@ npm run clean && npm run build
5664```
5765
5866### Development Builds
67+
5968``` bash
6069# Fast build (parallel)
6170npm run build:fast
@@ -68,6 +77,7 @@ npm run build:analyze
6877```
6978
7079### Optimization
80+
7181``` bash
7282# Run build optimizations
7383npm run build:optimize
@@ -79,12 +89,14 @@ npm run build:optimize
7989## ⚡ Build Tools
8090
8191### Rollup (Primary)
92+
8293- Advanced tree-shaking
8394- Plugin ecosystem
8495- Source map generation
8596- Bundle analysis support
8697
8798### Rollup (Primary)
99+
88100- Advanced tree-shaking
89101- Plugin ecosystem
90102- Source map generation
@@ -101,17 +113,20 @@ The build system includes bundle analysis capabilities:
101113## 🔧 Configuration Files
102114
103115### Rollup Config (` rollup.config.ts ` )
116+
104117- Multi-format builds (ESM, CJS, Types)
105118- Optimized external dependency handling
106119- Enhanced terser configuration
107120- Better source map generation
108121
109122### Esbuild Config (` esbuild.config.ts ` )
123+
110124- Alternative build system for experimentation
111125- Simplified TypeScript builds
112126- Build metadata generation
113127
114128### TypeScript Configs
129+
115130- ` tsconfig.json ` - Base configuration
116131- ` tsconfig.esm.json ` - ESM-specific settings
117132- ` tsconfig.cjs.json ` - CJS-specific settings
@@ -120,40 +135,47 @@ The build system includes bundle analysis capabilities:
120135## 📈 Performance Metrics
121136
122137### Build Times (approximate)
138+
123139- ** Before** : ~ 15-20 seconds
124140- ** After (Rollup)** : ~ 8-12 seconds
125141- ** After (Parallel)** : ~ 5-8 seconds
126142
127143### Bundle Sizes
144+
128145- Optimized tree-shaking reduces bundle size by 15-25%
129146- Better external dependency handling
130147- Improved code splitting
131148
132149## 🎯 Best Practices
133150
134151### For Development
152+
1351531 . Use ` npm run build:fast ` for quick iterations
1361542 . Use ` npm run build:watch ` for continuous builds
1371553 . Run ` npm run build:optimize ` to apply optimizations
138156
139157### For Production
158+
1401591 . Use ` npm run build ` for full builds
1411602 . Run ` npm run build:analyze ` to check bundle sizes
1421613 . Verify all formats are generated correctly
143162
144163### For CI/CD
164+
1451651 . Use ` npm run build:parallel ` for faster CI builds
1461662 . Include bundle analysis in release process
1471673 . Monitor build performance metrics
148168
149169## 🔍 Troubleshooting
150170
151171### Common Issues
172+
1521731 . ** Build failures** : Check TypeScript configuration
1531742 . ** Slow builds** : Ensure parallel builds are enabled
1541753 . ** Large bundles** : Run bundle analysis to identify issues
155176
156177### Performance Issues
178+
1571791 . ** Memory usage** : Monitor Node.js memory limits
1581802 . ** CPU usage** : Check for unnecessary TypeScript compilation
1591813 . ** Disk I/O** : Ensure SSD storage for faster builds
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