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by Andrii
02:11
created

utils.ts ➔ emptize   A

↳ Parent: src/utils.ts

Complexity

Conditions 2

Size

Total Lines 8
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 7
dl 0
loc 8
c 0
b 0
f 0
rs 10
cc 2
1 
const stringifyProperty: SymbolConstructor["toPrimitive"] | "valueOf" | "toString"  = Symbol.toPrimitive
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const {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  defineProperty: $defineProperty

            


            
                                                                                                            
                            
            
                                    
            
            

                
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} = Object

            


            
                                                                                                            
                            
            
                                    
            
            

                
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export {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 stringifyClassNamed, emptize

            


            
                                                                                                            
                            
            
                                    
            
            

                
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}

            


            
                                                                                                            
                            
            
                                    
            
            

                
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function stringifyClassNamed<T extends {className: string}>(source: T) :T {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  if (!source.hasOwnProperty(stringifyProperty))

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    $defineProperty(source, stringifyProperty, {value: classNamedToString})

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  return source

            


            
                                                                                                            
                            
            
                                    
            
            

                
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}

            


            
                                                                                                            
                            
            
                                    
            
            

                
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function classNamedToString(this: {className: string}) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  return this.className

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                                        
                            
            
                                    
            
            

                
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function emptize(source: undefined|Record<string, any>) {

            


            
                                                                        
                            
            
                                    
            
            

                
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  if (

            


            
                                                                        
                            
            
                                    
            
            

                
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    source

            


            
                                                                        
                            
            
                                    
            
            

                
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    && !source.hasOwnProperty(stringifyProperty)

            


            
                                                                        
                            
            
                                    
            
            

                
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  )

            


            
                                                                        
                            
            
                                    
            
            

                
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    $defineProperty(source, stringifyProperty, {value: emptyLambda})

            


            
                                                                        
                            
            
                                    
            
            

                
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  return source

            


            
                                                                                                            
                            
            
                                    
            
            

                
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}

            


            
                                                                                                            
                            
            
                                    
            
            

                
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function emptyLambda() {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  return "" as const

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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