hi I have a typescript program but i dont know why it doenot work can you help me fix it

errors:

code:

'use strict' 10 11 // Function to print pattern recursively >> 12 function printPattern(integer: number) { 13 >> 14 if (number> 16 if (number >= 5) { >> 17 return (printPattern(number - 1) + " " + number >> 18 + printPattern(number - 1)+" "+" "); 19 } else { >> 20 return (printPattern(number - 1) + " " + number >> 21 + printPattern(number-1)); 22 } 23 } 24 } 25 26 var number = console.log("Enter a number between 1 to 15"); 27 28 // check range value >> 29 if (number 15) { 30 console.log("Error: Worng input"); 31 } else { 32 console.log("User input | Program output "+ >> 33 number+" | "+printPattern(number)+" "); 34 }

12 function printPattern(integer: number) { NNNN src/index.ts:14:9 error TS2365: Operator '=' cannot be applied to types 'void' and 'number'. 16 if (number >= 5) { src/index.ts:17:34 nt' or an enum type. error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigi 17 return (printPattern(number 1) + " " + number NNNNNN src/index.ts:18:36 nt' or an enum type. error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigi 18 + printPattern(number 1)+" "+" "); NNNNN src/index.ts:20:34 nt' or an enum type. error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number', 'bigi 20 return (printPattern(number 1) + Activate Windows Go to Settings to activate Windows. + number