node check if file exists
const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}node check if file exists
const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}nodejs fs create file if not exists
fs.exists(filename, function(exists) {
if(exists) {
// Create a file
}
else {
console.log("Deny overwrite existing", filename);
}
});node check if file exists
const fs = require('fs');
let file = '../path/to/chad_warden.mpeg';
// async
const fileExists = (file) => {
return new Promise((resolve) => {
fs.access(file, fs.constants.F_OK, (err) => {
err ? resolve(false) : resolve(true)
});
})
}
// sync
const fileExistsSync = (file) => {
try {
fs.accessSync(file, fs.constants.R_OK | fs.constants.W_OK);
return true;
} catch (err) {
return false;
}
}postgres create extension if not exists
CREATE EXTENSION [ IF NOT EXISTS ] extension_name
[ WITH ] [ SCHEMA schema_name ]
[ VERSION version ]
[ FROM old_version ]Copyright © 2021 Codeinu
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