const fs = require('fs');
fs.writeFile("/tmp/test", "Hey there!", function(err) {
if(err) {
return console.log(err);
}
console.log("The file was saved!");
});
// Or
fs.writeFileSync('/tmp/test-sync', 'Hey there!');const { promises: Fs } = require('fs')
async function exists (path) {
try {
await Fs.access(path)
return true
} catch {
return false
}
}
// Example:
const Path = require('path')
const path = Path.join(__dirname, "existing-file.txt")
await exists(path)
// true
const fs = require('fs')
// We will convert sync function into a promise function
// so when is ready will provide the result without blocking.
const exists = async (path) => {
return await new Promise((resolve) => {
resolve(fs.existsSync(path));
});
};
// If you have a file name samples on same root it will result true.
exists('./samples.txt').then(res => console.log(res))
console.log(`I'm not blocked as I'll show up on first`)