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fileOperations.js
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fileOperations.js
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const fs = require('fs');
/**
* Writes or appends content to a file.
* @param {string} path - The file path where the content should be written.
* @param {string} content - The content to write to the file.
* @param {boolean} [append=false] - Whether to append the content instead of overwriting.
* @returns {Promise<void>} - A promise that resolves when the write operation is complete, or rejects with an error.
*/
function writeFile(path, content, append = false) {
return new Promise((resolve, reject) => {
const writeFunction = append ? fs.appendFile : fs.writeFile;
writeFunction(path, content, 'utf8', (err) => {
if (err) {
console.error(`Failed to ${append ? 'append to' : 'write'} file:`, path, err);
reject(err);
} else {
console.log(`${append ? 'Content appended to' : 'Content written to'} ${path}`);
resolve();
}
});
});
}
/**
* Reads content from a file asynchronously.
* @param {string} path - The file path from which to read.
* @returns {Promise<string>} - A promise that resolves with the content of the file, or rejects with an error.
*/
function readFile(path) {
return new Promise((resolve, reject) => {
fs.readFile(path, 'utf8', (err, data) => {
if (err) {
console.error('Failed to read file:', path, err);
reject(err);
} else {
console.log(`Content read from ${path}`);
resolve(data);
}
});
});
}
module.exports = {
writeFile,
readFile
};