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/* 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