/usr/lib/nodejs/abstract-leveldown/is-leveldown.js is in node-abstract-leveldown 2.4.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | var AbstractLevelDOWN = require('./abstract-leveldown')
function isLevelDOWN (db) {
if (!db || typeof db !== 'object')
return false
return Object.keys(AbstractLevelDOWN.prototype).filter(function (name) {
// TODO remove approximateSize check when method is gone
return name[0] != '_' && name != 'approximateSize'
}).every(function (name) {
return typeof db[name] == 'function'
})
}
module.exports = isLevelDOWN
|