/**
* Converts a single character to its 8-bit binary representation.
*
* @param char A single character.
* @returns An 8-bit binary string.
* @throws Error If the input is not exactly one character.
*/
function charToBits(char: string): string {
if (char.length !== 1) {
throw new Error("Input must be exactly one character.");
}
const codePoint: number = char.charCodeAt(0);
const binaryString: string = codePoint.toString(2).padStart(8, "0");
return binaryString;
}
/**
* Prints a character and its binary representation.
*
* @param char A single character.
*/
function printCharacterBits(char: string): void {
const bits: string = charToBits(char);
const decimalValue: number = char.charCodeAt(0);
console.log(`Character: '${char}'`);
console.log(`Decimal : ${decimalValue}`);
console.log(`Binary : ${bits}`);
}
/**
* Prints each bit separately.
*
* @param char A single character.
*/
function printBitsIndividually(char: string): void {
const bits: string = charToBits(char);
process.stdout.write(`Bits for '${char}': `);
for (const bit: string of bits) {
process.stdout.write(`${bit} `);
}
process.stdout.write("\n");
}
// -----------------------------------------------------------------------------
// Usage examples
// -----------------------------------------------------------------------------
try {
const character1: string = "A";
const character2: string = "a";
const character3: string = "5";
const character4: string = "@";
printCharacterBits(character1);
console.log();
printCharacterBits(character2);
console.log();
printCharacterBits(character3);
console.log();
printCharacterBits(character4);
console.log();
printBitsIndividually(character1);
} catch (error: unknown) {
if (error instanceof Error) {
console.error(`Error: ${error.message}`);
} else {
console.error("An unknown error occurred.");
}
}
/*
run:
Character: 'A'
Decimal : 65
Binary : 01000001
Character: 'a'
Decimal : 97
Binary : 01100001
Character: '5'
Decimal : 53
Binary : 00110101
Character: '@'
Decimal : 64
Binary : 01000000
Bits for 'A': 0 1 0 0 0 0 0 1
*/
