npm
Version:
a package manager for JavaScript
29 lines (26 loc) • 663 B
JavaScript
class Umask {}
const parse = val => {
if (typeof val === 'string') {
if (/^0o?[0-7]+$/.test(val))
return parseInt(val.replace(/^0o?/, ''), 8)
else if (/^[1-9][0-9]*$/.test(val))
return parseInt(val, 10)
else
throw new Error(`invalid umask value: ${val}`)
}
if (typeof val !== 'number')
throw new Error(`invalid umask value: ${val}`)
val = Math.floor(val)
if (val < 0 || val > 511)
throw new Error(`invalid umask value: ${val}`)
return val
}
const validate = (data, k, val) => {
try {
data[k] = parse(val)
return true
} catch (er) {
return false
}
}
module.exports = { Umask, parse, validate }