1- const fs = require ( 'fs' ) ;
1+ const fs = require ( "fs" ) ;
22
33// Assinatura PNG: [0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A]
4- const pngSignature = [ 0x89 , 0x50 , 0x4E , 0x47 , 0x0D , 0x0A , 0x1A , 0x0A ] ;
4+ const pngSignature = [ 0x89 , 0x50 , 0x4e , 0x47 , 0x0d , 0x0a , 0x1a , 0x0a ] ;
55const fakePNG = new Uint8Array ( [ ...pngSignature , ...new Array ( 100 ) . fill ( 0 ) ] ) ; // 100 bytes extras vazios
6- fs . writeFileSync ( ' fake.png' , fakePNG ) ;
6+ fs . writeFileSync ( " fake.png" , fakePNG ) ;
77
88// Assinatura GIF: [0x47, 0x49, 0x46, 0x38, 0x37, 0x61] (GIF89a) ou [0x47, 0x49, 0x46, 0x38, 0x37, 0x61] (GIF87a)
99const gifSignature = [ 0x47 , 0x49 , 0x46 , 0x38 , 0x37 , 0x61 ] ;
1010const fakeGIF = new Uint8Array ( [ ...gifSignature , ...new Array ( 100 ) . fill ( 0 ) ] ) ; // 100 bytes extras vazios
11- fs . writeFileSync ( ' fake87a.gif' , fakeGIF ) ;
11+ fs . writeFileSync ( " fake87a.gif" , fakeGIF ) ;
1212
1313// Assinatura GIF89a: [0x47, 0x49, 0x46, 0x38, 0x39, 0x61]
1414const gif89aSignature = [ 0x47 , 0x49 , 0x46 , 0x38 , 0x39 , 0x61 ] ;
15- const fakeGIF89a = new Uint8Array ( [ ...gif89aSignature , ...new Array ( 100 ) . fill ( 0 ) ] ) ; // 100 bytes extras vazios
16- fs . writeFileSync ( 'fake89a.gif' , fakeGIF89a ) ;
15+ const fakeGIF89a = new Uint8Array ( [
16+ ...gif89aSignature ,
17+ ...new Array ( 100 ) . fill ( 0 ) ,
18+ ] ) ; // 100 bytes extras vazios
19+ fs . writeFileSync ( "fake89a.gif" , fakeGIF89a ) ;
1720
1821// Assinatura JPEG: [0xFF, 0xD8, 0xFF]
19- const jpegSignature = [ 0xFF , 0xD8 , 0xFF ] ;
22+ const jpegSignature = [ 0xff , 0xd8 , 0xff ] ;
2023const fakeJPEG = new Uint8Array ( [ ...jpegSignature , ...new Array ( 100 ) . fill ( 0 ) ] ) ; // 100 bytes extras vazios
21- fs . writeFileSync ( ' fake.jpeg' , fakeJPEG ) ;
24+ fs . writeFileSync ( " fake.jpeg" , fakeJPEG ) ;
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