Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | 1x 1x 1x 1x 2x 1x 1x 1x 7x 7x 1x 2x 2x 2x 2x | import fs from 'fs';
import os from 'os';
import { promisify } from './utils.js';
const readFile = promisify(fs.readFile);
const writeFile = promisify(fs.writeFile);
/**
* Carriage return character code.
* @type {number}
*/
const cr = '\r'.charCodeAt(0);
/**
* Line feed character code.
* @type {number}
*/
const lf = '\n'.charCodeAt(0);
/**
* Retrieves the end-of-line (EOL) sequence from a file.
* @param {string} path - The path to the file.
* @returns {Promise<string | undefined>} A promise that resolves with the EOL sequence found in the file, or undefined.
*/
async function getEolFromFile(path) {
if (!fs.existsSync(path)) {
return undefined;
}
const buffer = await readFile(path);
for (let i = 0; i < buffer.length; ++i) {
Iif (buffer[i] === cr) {
return '\r\n';
}
if (buffer[i] === lf) {
return '\n';
}
}
return undefined;
}
/**
* Writes data to a file while preserving the original end-of-line (EOL) sequence.
* @param {string} path - The path to the file.
* @param {string} data - The data to write.
* @returns {Promise<void>} A promise that resolves when the file is successfully written.
*/
async function writeFilePreservingEol(path, data) {
const eol = (await getEolFromFile(path)) || os.EOL;
let result = data;
Iif (eol !== '\n') {
result = result.replace(/\n/g, eol);
}
await writeFile(path, result);
}
export { writeFilePreservingEol };
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