/* eslint-disable node/no-deprecated-api */
'use strict'
var buffer = require('buffer') var Buffer = buffer.Buffer
var safer = {}
var key
for (key in buffer) {
if (!buffer.hasOwnProperty(key)) continue if (key === 'SlowBuffer' || key === 'Buffer') continue safer[key] = buffer[key]
}
var Safer = safer.Buffer = {} for (key in Buffer) {
if (!Buffer.hasOwnProperty(key)) continue if (key === 'allocUnsafe' || key === 'allocUnsafeSlow') continue Safer[key] = Buffer[key]
}
safer.Buffer.prototype = Buffer.prototype
if (!Safer.from || Safer.from === Uint8Array.from) {
Safer.from = function (value, encodingOrOffset, length) { if (typeof value === 'number') { throw new TypeError('The "value" argument must not be of type number. Received type ' + typeof value) } if (value && typeof value.length === 'undefined') { throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type ' + typeof value) } return Buffer(value, encodingOrOffset, length) }
}
if (!Safer.alloc) {
Safer.alloc = function (size, fill, encoding) { if (typeof size !== 'number') { throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size) } if (size < 0 || size >= 2 * (1 << 30)) { throw new RangeError('The value "' + size + '" is invalid for option "size"') } var buf = Buffer(size) if (!fill || fill.length === 0) { buf.fill(0) } else if (typeof encoding === 'string') { buf.fill(fill, encoding) } else { buf.fill(fill) } return buf }
}
if (!safer.kStringMaxLength) {
try { safer.kStringMaxLength = process.binding('buffer').kStringMaxLength } catch (e) { // we can't determine kStringMaxLength in environments where process.binding // is unsupported, so let's not set it }
}
if (!safer.constants) {
safer.constants = { MAX_LENGTH: safer.kMaxLength } if (safer.kStringMaxLength) { safer.constants.MAX_STRING_LENGTH = safer.kStringMaxLength }
}
module.exports = safer