EN
TypeScript - convert string to bytes array under Node.js
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In this short article, we would like to show, how using TypeScript, convert string to bytes array under Node.js.
Hint: converting string to bytes you need to select the encoding type that should be used to produce bytes array.
xxxxxxxxxx1
const toBytes = (text: string): number[] => {2
const buffer = Buffer.from(text, 'utf8');3
const result = Array(buffer.length);4
for (let i = 0; i < buffer.length; ++i) {5
result[i] = buffer[i];6
}7
return result;8
};9
10
11
// Usage example:12
13
const bytes: number[] = toBytes('Some text here...');14
15
console.log(bytes);Output:
xxxxxxxxxx1
[2
83, 111, 109, 101, 32, 116, 101, 120, 116, 32, 104, 101, 114, 101, 46, 46, 463
]xxxxxxxxxx1
const toBytes = (text: string): number[] => {2
const buffer = Buffer.from(text, 'utf16le');3
const result = Array(buffer.length);4
for (let i = 0; i < buffer.length; ++i) {5
result[i] = buffer[i];6
}7
return result;8
};9
10
11
// Usage example:12
13
const bytes: number[] = toBytes('Some text here...');14
15
console.log(bytes);Output:
xxxxxxxxxx1
[2
83, 0, 111, 0, 109, 0, 101, 0, 32, 0, 116, 0, 101, 0, 120, 0, 116, 0,3
32, 0, 104, 0, 101, 0, 114, 0, 101, 0, 46, 0, 46, 0, 46, 04
]